{"id":4890,"date":"2026-05-07T08:59:46","date_gmt":"2026-05-07T08:59:46","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4890"},"modified":"2026-05-07T08:59:49","modified_gmt":"2026-05-07T08:59:49","slug":"silk-screen-pcb-best-fonts-sizes-line-widths","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/vi\/silk-screen-pcb-best-fonts-sizes-line-widths\/","title":{"rendered":"PCB in l\u1ee5a: C\u00e1c ph\u00f4ng ch\u1eef, k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 d\u00e0y n\u00e9t t\u1ed1t nh\u1ea5t"},"content":{"rendered":"<p>N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, b\u1ea3n in l\u1ee5a l\u00e0 c\u00e1c k\u00fd hi\u1ec7u kh\u00f4ng d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c in tr\u00ean b\u1ea3ng m\u1ea1ch \u0111\u1ec3 nh\u1eadn di\u1ec7n c\u00e1c linh ki\u1ec7n, ch\u00e2n s\u1ed1 1, c\u1ef1c t\u00ednh, \u0111\u1ea7u n\u1ed1i, d\u00e2y nh\u1ea3y, \u0111i\u1ec3m ki\u1ec3m tra, c\u1ea3nh b\u00e1o, logo v\u00e0 m\u00e3 phi\u00ean b\u1ea3n. T\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng tin d\u00e0nh cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<p>Th\u01b0\u1eddng th\u00ec \u0111\u00f3 l\u00e0 lo\u1ea1i m\u1ef1c epoxy kh\u00f4ng d\u1eabn \u0111i\u1ec7n (c\u00e1c m\u00e0u ph\u1ed5 bi\u1ebfn l\u00e0 tr\u1eafng, \u0111en, v\u00e0ng). L\u1edbp m\u1ef1c n\u00e0y n\u1eb1m tr\u00ean l\u1edbp ph\u1ee7 ch\u1ed1ng h\u00e0n. N\u00f3 gi\u00fap k\u1ef9 thu\u1eadt vi\u00ean l\u1eafp r\u00e1p \u0111\u1eb7t c\u00e1c linh ki\u1ec7n \u0111\u00fang v\u1ecb tr\u00ed, gi\u00fap k\u1ef9 s\u01b0 ki\u1ec3m tra nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m c\u1ea7n ki\u1ec3m tra, v\u00e0 c\u00f2n gi\u00fap b\u1ea1n sau s\u00e1u th\u00e1ng n\u1eefa khi b\u1ea1n \u0111\u00e3 qu\u00ean ch\u1ee9c n\u0103ng c\u1ee7a \u201cJ3\u201d l\u00e0 g\u00ec.<\/p>\n\n\n\n<p>Nh\u01b0ng c\u00f3 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u1edf \u0111\u00e2y.<\/p>\n\n\n\n<p>In l\u1ee5a r\u1ea5t d\u1ec5 d\u1eabn \u0111\u1ebfn thi\u1ebft k\u1ebf k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. Ch\u1eef qu\u00e1 nh\u1ecf, n\u00e9t v\u1ebd m\u1ea3nh nh\u01b0 s\u1ee3i t\u00f3c, c\u00e1c chi ti\u1ebft n\u1eb1m ch\u1ed3ng l\u00ean nhau, ho\u1eb7c c\u00e1c ch\u00fa th\u00edch b\u1ecb che khu\u1ea5t b\u1edfi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c. R\u1ed3i \u0111\u1ebfn kh\u00e2u s\u1ea3n xu\u1ea5t l\u1ea1i x\u1ea3y ra nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng th\u1ea5y. Ch\u1ec9 c\u1ea7n m\u1ed9t ch\u00fat sai l\u1ec7ch v\u1ecb tr\u00ed, m\u1ef1c b\u1ecb lem nh\u1eb9, b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ec1u, l\u00e0 nh\u1eefng nh\u00e3n m\u00e1c ho\u00e0n h\u1ea3o c\u1ee7a b\u1ea1n s\u1ebd bi\u1ebfn th\u00e0nh m\u1ed9t m\u1edb h\u1ed7n \u0111\u1ed9n.<\/p>\n\n\n\n<p>V\u00ec v\u1eady, h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c nguy\u00ean t\u1eafc th\u1ef1c ti\u1ec5n trong in l\u1ee5a, nh\u1eefng nguy\u00ean t\u1eafc \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng qua qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t PCB th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p>Ch\u00fang ta s\u1ebd b\u00e0n v\u1ec1 c\u00e1c lo\u1ea1i ph\u00f4ng ch\u1eef, k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y n\u00e9t, kho\u1ea3ng c\u00e1ch v\u00e0 v\u1ecb tr\u00ed. Ngo\u00e0i ra, ch\u00fang ta c\u0169ng s\u1ebd \u0111\u1ec1 c\u1eadp m\u1ed9t ch\u00fat \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p in nh\u01b0 LPI so v\u1edbi DLP, v\u00ec \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 chi ti\u1ebft m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-0-what-silkscreen-is-and-what-it-is-not\">In l\u1ee5a l\u00e0 g\u00ec, v\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 g\u00ec<\/h2>\n\n\n\n<p>L\u1edbp in l\u1ee5a l\u00e0 m\u1ed9t l\u1edbp \u0111\u00e1nh d\u1ea5u. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 v\u1eadt li\u1ec7u thay th\u1ebf cho l\u1edbp che h\u00e0n.<\/p>\n\n\n\n<p>L\u1edbp ph\u1ee7 ch\u1ed1ng h\u00e0n c\u00f3 ch\u1ee9c n\u0103ng ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng h\u00e0n ch\u1eadp v\u00e0 b\u1ea3o v\u1ec7 l\u1edbp \u0111\u1ed3ng. L\u1edbp in l\u1ee5a c\u00f3 ch\u1ee9c n\u0103ng truy\u1ec1n t\u1ea3i th\u00f4ng tin. N\u1ebfu b\u1ea1n c\u1ed1 g\u1eafng \u201ckh\u1eafc ph\u1ee5c\u201d r\u1ee7i ro h\u00e0n b\u1eb1ng l\u1edbp in l\u1ee5a, k\u1ebft qu\u1ea3 s\u1ebd kh\u00f4ng nh\u01b0 mong \u0111\u1ee3i. M\u1ef1c in c\u00f3 th\u1ec3 b\u1ecb ch\u00e1y, lem ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 b\u1ecb bong tr\u00f3c \u1edf nh\u1eefng v\u1ecb tr\u00ed ch\u1ed3ng ch\u00e9o v\u1edbi c\u00e1c \u0111i\u1ec3m h\u00e0n.<\/p>\n\n\n\n<p>N\u1ed9i dung in l\u1ee5a \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00e3 \u0111\u1ecbnh danh linh ki\u1ec7n (R1, C12, U3)<\/li>\n\n\n\n<li>\u0110\u01b0\u1eddng vi\u1ec1n linh ki\u1ec7n v\u00e0 d\u1ea5u \u0111\u1ecbnh h\u01b0\u1edbng<\/li>\n\n\n\n<li>C\u1ef1c t\u00ednh c\u1ee7a t\u1ee5 \u0111i\u1ec7n \u0111i\u1ec7n ph\u00e2n, \u0111i\u1ed1t v\u00e0 \u0111\u00e8n LED<\/li>\n\n\n\n<li>C\u00e1c ch\u1ec9 b\u00e1o ch\u00e2n 1 c\u1ee7a IC<\/li>\n\n\n\n<li>Nh\u00e3n \u0111\u1ea7u n\u1ed1i<\/li>\n\n\n\n<li>\u0110i\u1ec3m ki\u1ec3m tra (TP1, TP2)<\/li>\n\n\n\n<li>C\u00e1c c\u1ea3nh b\u00e1o v\u00e0 k\u00fd hi\u1ec7u \u0111i\u1ec7n \u00e1p cao<\/li>\n\n\n\n<li>Logo, m\u00e3 QR, v\u0103n b\u1ea3n s\u1eeda \u0111\u1ed5i<\/li>\n<\/ul>\n\n\n\n<p>M\u1ef1c in th\u01b0\u1eddng l\u00e0 lo\u1ea1i g\u1ed1c epoxy ho\u1eb7c lo\u1ea1i kh\u00f4 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a tia UV. M\u1ef1c epoxy th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u00e1m d\u00ednh cao v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 h\u00e0n t\u1ed1t. M\u1ef1c kh\u00f4 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a tia UV kh\u00f4 nhanh, ph\u00f9 h\u1ee3p cho c\u00e1c \u0111\u01a1n h\u00e0ng s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn.<\/p>\n\n\n\n<p>Ch\u1ea5t n\u1ec1n v\u00e0 l\u1edbp ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t c\u0169ng r\u1ea5t quan tr\u1ecdng. FR4 l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn v\u00e0 cho k\u1ebft qu\u1ea3 in \u1ea5n t\u1ed1t. C\u00e1c v\u1eadt li\u1ec7u Rogers \u0111\u00f4i khi c\u1ea7n c\u00f4ng th\u1ee9c m\u1ef1c in \u0111\u1eb7c bi\u1ec7t. M\u1ea1ch in linh ho\u1ea1t (Flex PCB) ph\u1ee9c t\u1ea1p h\u01a1n v\u00ec b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 u\u1ed1n cong v\u00e0 m\u1ef1c in c\u0169ng c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng u\u1ed1n cong theo. Ngo\u00e0i ra, c\u00e1c l\u1edbp ho\u00e0n thi\u1ec7n nh\u01b0 HASL c\u00f3 th\u1ec3 t\u1ea1o ra b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, khi\u1ebfn vi\u1ec7c in l\u1ee5a chi ti\u1ebft tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n, trong khi ENIG l\u1ea1i ph\u1eb3ng h\u01a1n v\u00e0 d\u1ec5 x\u1eed l\u00fd h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-1-the-two-big-printing-methods-and-why-you-should-care\">Hai ph\u01b0\u01a1ng ph\u00e1p in \u1ea5n ch\u00ednh (v\u00e0 t\u1ea1i sao b\u1ea1n n\u00ean quan t\u00e2m)<\/h2>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c d\u00f2ng ch\u1eef in l\u1ee5a m\u00e0 b\u1ea1n g\u1eb7p \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-2-liquid-photo-imaging-lpi\">H\u00ecnh \u1ea3nh quang h\u1ecdc d\u1ea1ng l\u1ecfng (LPI)<\/h3>\n\n\n\n<p>C\u00f4ng ngh\u1ec7 LPI s\u1eed d\u1ee5ng m\u1ef1c nh\u1ea1y s\u00e1ng v\u00e0 quy tr\u00ecnh ph\u01a1i s\u00e1ng. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t v\u00e0 th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n cao. N\u00f3 c\u00f3 th\u1ec3 t\u00e1i hi\u1ec7n chi ti\u1ebft kh\u00e1 t\u1ed1t, nh\u01b0ng gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 quy tr\u00ecnh n\u00e0o kh\u00e1c, c\u00e1c quy t\u1eafc v\u1ec1 \u0111\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u c\u1ee7a \u0111\u01b0\u1eddng n\u00e9t v\u00e0 v\u0103n b\u1ea3n v\u1eabn ph\u1ea3i \u0111\u01b0\u1ee3c tu\u00e2n th\u1ee7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-3-direct-legend-printing-dlp\">In \u1ea5n tr\u1ef1c ti\u1ebfp (DLP)<\/h3>\n\n\n\n<p>DLP v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 c\u00f4ng ngh\u1ec7 in tr\u1ef1c ti\u1ebfp, th\u01b0\u1eddng theo ki\u1ec3u in phun, tr\u1ef1c ti\u1ebfp l\u00ean b\u1ea3ng m\u1ea1ch in (PCB). C\u00f4ng ngh\u1ec7 n\u00e0y b\u1ecf qua c\u00e1c b\u01b0\u1edbc s\u1eed d\u1ee5ng phim v\u00e0 tr\u00e1ng phim, c\u00f3 th\u1ec3 nhanh h\u01a1n v\u00e0 cho ph\u00e9p in c\u00e1c k\u00fd hi\u1ec7u chi ti\u1ebft. N\u00f3 c\u0169ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 c\u00f3 \u0111\u1ed9 b\u1ec1n th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi LPI, t\u00f9y thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng m\u1ef1c v\u00e0 quy tr\u00ecnh l\u00e0m kh\u00f4.<\/p>\n\n\n\n<p>B\u00e0i h\u1ecdc th\u1ef1c ti\u1ec5n d\u00e0nh cho c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf r\u1ea5t \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n<p>Ngay c\u1ea3 khi nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 in \u0111\u01b0\u1ee3c c\u00e1c chi ti\u1ebft r\u1ea5t nh\u1ecf, th\u00ec <em>n\u0103ng su\u1ea5t<\/em> ch\u1ea5t l\u01b0\u1ee3ng in s\u1ebd gi\u1ea3m khi b\u1ea1n \u0111\u1ea9y khu\u00f4n in l\u1ee5a \u0111\u1ebfn m\u00e9p. V\u00e0 \u0111\u1ed9 r\u00f5 n\u00e9t c\u1ee7a b\u1ea3n in s\u1ebd gi\u1ea3m s\u1edbm h\u01a1n n\u1eefa. V\u00ec v\u1eady, ch\u00fang t\u00f4i h\u01b0\u1edbng \u0111\u1ebfn m\u1ee5c ti\u00eau \u201cin \u1ea5n \u0111\u00e1ng tin c\u1eady\u201d ch\u1ee9 kh\u00f4ng ph\u1ea3i \u201cin \u1ea5n trong bu\u1ed5i tr\u00ecnh di\u1ec5n t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m\u201d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-4-best-font-style-for-pcb-silkscreen\">Ki\u1ec3u ch\u1eef ph\u00f9 h\u1ee3p nh\u1ea5t cho in l\u1ee5a tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB)<\/h2>\n\n\n\n<p>B\u1ea1n mu\u1ed1n m\u1ed9t ph\u00f4ng ch\u1eef v\u1eabn d\u1ec5 \u0111\u1ecdc trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0111\u01b0\u1eddng n\u00e9t tr\u1edf n\u00ean d\u00e0y h\u01a1n m\u1ed9t ch\u00fat do m\u1ef1c lan ra<\/li>\n\n\n\n<li>v\u1ecb tr\u00ed in b\u1ecb l\u1ec7ch m\u1ed9t ch\u00fat so v\u1edbi dung sai \u0111\u1ecbnh v\u1ecb<\/li>\n\n\n\n<li>B\u1ea3ng \u0111\u01b0\u1ee3c quan s\u00e1t t\u1eeb m\u1ed9t g\u00f3c nghi\u00eang d\u01b0\u1edbi \u00e1nh s\u00e1ng t\u1eeb \u0111\u00e8n b\u00e0n<\/li>\n\n\n\n<li>c\u00f2n s\u00f3t l\u1ea1i ch\u1ea5t h\u00e0n v\u00e0 b\u1ee5i (v\u00ec ch\u00fang lu\u00f4n t\u1ed3n t\u1ea1i)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-5-use-simple-standard-sans-serif-fonts\">S\u1eed d\u1ee5ng c\u00e1c ph\u00f4ng ch\u1eef \u0111\u01a1n gi\u1ea3n, ti\u00eau chu\u1ea9n v\u00e0 kh\u00f4ng ch\u00e2n<\/h3>\n\n\n\n<p>Nh\u1eefng l\u1ef1a ch\u1ecdn thi\u1ebft th\u1ef1c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u00f4ng ch\u1eef n\u00e9t \u0111\u01a1n \/ ph\u00f4ng ch\u1eef d\u1ea1ng vect\u01a1 (th\u01b0\u1eddng l\u00e0 lo\u1ea1i ph\u00f4ng ch\u1eef \u0111\u01b0\u1ee3c c\u00e1c c\u00f4ng c\u1ee5 CAD s\u1eed d\u1ee5ng m\u1eb7c \u0111\u1ecbnh)<\/li>\n\n\n\n<li>C\u00e1c ph\u00f4ng ch\u1eef sans serif \u0111\u01a1n gi\u1ea3n, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Arial, Helvetica v\u00e0 phong c\u00e1ch DIN<\/li>\n\n\n\n<li>C\u00e1c ph\u00f4ng ch\u1eef \u201cDefault\u201d ho\u1eb7c \u201cProportional\u201d c\u00f3 s\u1eb5n trong ph\u1ea7n m\u1ec1m CAD m\u1ea1ch in (PCB), n\u1ebfu ch\u00fang \u0111\u01b0\u1ee3c bi\u1ebft l\u00e0 hi\u1ec3n th\u1ecb r\u00f5 n\u00e9t khi in<\/li>\n<\/ul>\n\n\n\n<p>Sao kh\u00f4ng th\u1eed d\u00f9ng c\u00e1c ph\u00f4ng ch\u1eef \u0111\u1ed9c \u0111\u00e1o nh\u1ec9?<\/p>\n\n\n\n<p>B\u1edfi v\u00ec c\u00e1c n\u00e9t ch\u00e2n ch\u1eef v\u00e0 s\u1ef1 t\u01b0\u01a1ng ph\u1ea3n gi\u1eefa n\u00e9t m\u1ea3nh v\u00e0 n\u00e9t d\u00e0y s\u1ebd nhanh ch\u00f3ng tr\u1edf n\u00ean x\u1ea5u x\u00ed khi in l\u1ee5a. C\u00e1c \u0111\u01b0\u1eddng u\u1ed1n l\u01b0\u1ee3n b\u1ecb l\u1ea5p \u0111\u1ea7y. Nh\u1eefng khe h\u1edf nh\u1ecf b\u1ecb kh\u00e9p l\u1ea1i. Ch\u1eef \u201cR\u201d v\u00e0 \u201cP\u201d b\u1eaft \u0111\u1ea7u tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t t\u1ea5m \u00e1p ph\u00edch thi\u1ebft k\u1ebf, m\u00e0 l\u00e0 nh\u00e3n h\u01b0\u1edbng d\u1eabn tr\u00ean m\u1ed9t s\u1ea3n ph\u1ea9m c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"600\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/Best-font-style-for-PCB-silkscreen.webp\" alt=\"Best font style for PCB silkscreen\" class=\"wp-image-4891\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/Best-font-style-for-PCB-silkscreen.webp 900w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/Best-font-style-for-PCB-silkscreen-300x200.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/Best-font-style-for-PCB-silkscreen-768x512.webp 768w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/Best-font-style-for-PCB-silkscreen-18x12.webp 18w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-6-avoid-these-font-behaviors\">H\u00e3y tr\u00e1nh nh\u1eefng h\u00e0nh vi ph\u00f4ng ch\u1eef n\u00e0y<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nh\u1eefng n\u00e9t v\u1ebd r\u1ea5t m\u1ea3nh<\/li>\n\n\n\n<li>C\u00e1c n\u00e9t c\u00f3 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n cao (n\u00e9t d\u1ecdc d\u00e0y, n\u00e9t ngang m\u1ecfng)<\/li>\n\n\n\n<li>C\u00e1c y\u1ebfu t\u1ed1 trang tr\u00ed<\/li>\n\n\n\n<li>Ch\u1eef nghi\u00eang c\u1ee1 nh\u1ecf<\/li>\n\n\n\n<li>Ch\u1eef in hoa to\u00e0n b\u1ed9 v\u1edbi k\u00edch th\u01b0\u1edbc ch\u1eef r\u1ea5t nh\u1ecf (ch\u1eef in hoa l\u00e0m gi\u1ea3m s\u1ef1 \u0111a d\u1ea1ng v\u1ec1 ki\u1ec3u d\u00e1ng, v\u00e0 ngh\u1ecbch l\u00fd thay, l\u1ea1i kh\u00f3 \u0111\u1ecdc h\u01a1n khi ch\u1eef nh\u1ecf)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-7-one-more-boring-but-important-point\">M\u1ed9t \u0111i\u1ec3m n\u1eefa, tuy nh\u00e0m ch\u00e1n nh\u01b0ng r\u1ea5t quan tr\u1ecdng<\/h3>\n\n\n\n<p>H\u00e3y \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n. S\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t ki\u1ec3u ch\u1eef tr\u00ean to\u00e0n b\u1ed9 b\u1ea3ng. N\u1ebfu tr\u1ed9n l\u1eabn c\u00e1c ki\u1ec3u ch\u1eef, b\u1ea3ng s\u1ebd tr\u00f4ng l\u1ed9n x\u1ed9n v\u00e0 g\u00e2y kh\u00f3 kh\u0103n khi ki\u1ec3m tra nhanh trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-8-best-text-size-for-pcb-silkscreen-what-actually-works\">K\u00edch th\u01b0\u1edbc ch\u1eef t\u1ed1i \u01b0u cho in l\u1ee5a tr\u00ean PCB (c\u00e1ch th\u1ef1c s\u1ef1 hi\u1ec7u qu\u1ea3)<\/h2>\n\n\n\n<p>Nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng nh\u1eafc \u0111\u1ebfn quy t\u1eafc \u201cch\u1eef t\u1ed1i thi\u1ec3u 1,0 mm\u201d. \u0110\u00e2y l\u00e0 m\u1ed9t nguy\u00ean t\u1eafc chung kh\u00e1 h\u1ee3p l\u00fd, nh\u01b0ng ch\u00fang ta c\u1ea7n ph\u00e2n t\u00edch k\u1ef9 h\u01a1n. K\u00edch th\u01b0\u1edbc ch\u1eef g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 \u00fd ngh\u0129a g\u00ec n\u1ebfu kh\u00f4ng t\u00ednh \u0111\u1ebfn \u0111\u1ed9 d\u00e0y n\u00e9t ch\u1eef.<\/p>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh in l\u1ee5a tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB), \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>chi\u1ec1u cao k\u00fd t\u1ef1<\/li>\n\n\n\n<li>\u0111\u1ed9 d\u00e0y n\u00e9t<\/li>\n\n\n\n<li>kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c n\u00e9t<\/li>\n\n\n\n<li>v\u00e0 li\u1ec7u v\u0103n b\u1ea3n c\u00f3 b\u1ecb c\u1eaft b\u1edbt b\u1edfi c\u00e1c l\u1ed7 tr\u00ean l\u1edbp ph\u1ee7 ch\u1ed1ng h\u00e0n, c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac hay c\u00e1c v\u00f9ng c\u1ea5m in hay kh\u00f4ng<\/li>\n<\/ul>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng khuy\u1ebfn ngh\u1ecb thi\u1ebft th\u1ef1c v\u00e0 an to\u00e0n trong s\u1ea3n xu\u1ea5t, th\u01b0\u1eddng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c dung sai ph\u1ed5 bi\u1ebfn trong nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t chip.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-9-recommended-silkscreen-text-sizes-general\">K\u00edch th\u01b0\u1edbc ch\u1eef khuy\u1ebfn ngh\u1ecb cho in l\u1ee5a (chung)<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c k\u00fd hi\u1ec7u tham chi\u1ebfu v\u00e0 nh\u00e3n m\u00e1c m\u00e0 b\u1ea1n mu\u1ed1n con ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng c\u1ea7n k\u00ednh hi\u1ec3n vi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chi\u1ec1u cao k\u00fd t\u1ef1:<\/strong> \u01afu ti\u00ean \u0111\u1ed9 d\u00e0y t\u1eeb 1,0 mm \u0111\u1ebfn 1,5 mm<\/li>\n\n\n\n<li><strong>Chi\u1ec1u cao k\u00fd t\u1ef1 t\u1ed1i thi\u1ec3u:<\/strong> 0,8 mm (ch\u1ec9 khi th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft)<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 r\u1ed9ng n\u00e9t:<\/strong> \u01afu ti\u00ean \u0111\u1ed9 d\u00e0y t\u1eeb 0,15 mm \u0111\u1ebfn 0,20 mm<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 r\u1ed9ng n\u00e9t t\u1ed1i thi\u1ec3u:<\/strong> 0,12 mm (m\u1ed9t l\u1ea7n n\u1eefa, ch\u1ec9 khi th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft)<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang d\u00e1n nh\u00e3n cho c\u00e1c khu v\u1ef1c d\u00e0y \u0111\u1eb7c v\u00e0 ch\u1ea5p nh\u1eadn r\u1eb1ng n\u00f3 c\u00f3 th\u1ec3 \u201c\u0111\u1ecdc \u0111\u01b0\u1ee3c b\u1eb1ng m\u1eaft th\u01b0\u1eddng khi ph\u00f3ng to\u201d:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chi\u1ec1u cao k\u00fd t\u1ef1:<\/strong> 0,8 mm \u0111\u1ebfn 1,0 mm<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 r\u1ed9ng n\u00e9t:<\/strong> 0,12 mm \u0111\u1ebfn 0,15 mm<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu b\u1ea1n c\u1ea7n c\u00e1c n\u1ed9i dung \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u201ct\u1eeb ph\u00eda b\u00ean kia b\u00e0n\u201d (t\u00ean c\u00e1c \u0111\u1ea7u n\u1ed1i, c\u1ea3nh b\u00e1o v\u1ec1 c\u1ef1c t\u00ednh):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chi\u1ec1u cao k\u00fd t\u1ef1:<\/strong> 1,5 mm \u0111\u1ebfn 2,5 mm<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 r\u1ed9ng n\u00e9t:<\/strong> 0,18 mm \u0111\u1ebfn 0,25 mm<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1eefng kho\u1ea3ng gi\u00e1 tr\u1ecb n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng quy lu\u1eadt b\u1ea5t di b\u1ea5t d\u1ecbch. Ch\u00fang ch\u1ec9 l\u00e0 nh\u1eefng con s\u1ed1 gi\u00fap b\u1ea1n \u201ckh\u00f4ng ph\u1ea3i h\u1ed1i h\u1eadn sau n\u00e0y\u201d.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-10-spacing-inside-letters-matters\">Kho\u1ea3ng c\u00e1ch b\u00ean trong c\u00e1c ch\u1eef c\u00e1i r\u1ea5t quan tr\u1ecdng<\/h3>\n\n\n\n<p>V\u00ed d\u1ee5, l\u1ed7 tr\u1ed1ng b\u00ean trong ch\u1eef \u201cO\u201d ho\u1eb7c \u201cP\u201d. N\u1ebfu l\u1ed7 \u0111\u00f3 qu\u00e1 nh\u1ecf, n\u00f3 s\u1ebd b\u1ecb l\u1ea5p \u0111\u1ea7y v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y c\u00e1c \u0111\u1ed1m m\u1edd. V\u00ec v\u1eady, ngay c\u1ea3 khi \u0111\u1ed9 r\u1ed9ng n\u00e9t c\u1ee7a b\u1ea1n v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt v\u1eabn c\u00f3 th\u1ec3 in \u0111\u01b0\u1ee3c, th\u00ec h\u00ecnh d\u1ea1ng c\u1ee7a ph\u00f4ng ch\u1eef c\u00f3 th\u1ec3 l\u1ea1i kh\u00f4ng ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<p>\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c ph\u00f4ng ch\u1eef \u0111\u01a1n gi\u1ea3n l\u1ea1i \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng. Ch\u00fang gi\u1eef cho c\u00e1c kho\u1ea3ng tr\u1ed1ng b\u00ean trong ch\u1eef \u0111\u01b0\u1ee3c tho\u00e1ng \u0111\u00e3ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-11-best-line-width-for-silkscreen-outlines-and-symbols\">\u0110\u1ed9 r\u1ed9ng \u0111\u01b0\u1eddng vi\u1ec1n t\u1ed1i \u01b0u cho c\u00e1c \u0111\u01b0\u1eddng vi\u1ec1n v\u00e0 k\u00fd hi\u1ec7u in l\u1ee5a<\/h2>\n\n\n\n<p>In l\u1ee5a kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 ch\u1eef. \u0110\u00f3 c\u00f2n l\u00e0 c\u00e1c \u0111\u01b0\u1eddng vi\u1ec1n, ch\u1ea5m pin 1, d\u1ea5u c\u1ef1c d\u01b0\u01a1ng, m\u0169i t\u00ean, bi\u1ec3u t\u01b0\u1ee3ng tam gi\u00e1c v\u00e0 v\u00f2ng tr\u00f2n \u0111i\u1ec3m ki\u1ec3m tra.<\/p>\n\n\n\n<p>\u0110\u1ed9 r\u1ed9ng \u0111\u01b0\u1eddng k\u1ebb \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1c kh\u00e1i ni\u1ec7m chung v\u00e0 k\u00fd hi\u1ec7u:<\/strong> 0,15 mm \u0111\u1ebfn 0,20 mm<\/li>\n\n\n\n<li><strong>M\u1ee9c t\u1ed1i thi\u1ec3u (n\u1ebfu nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n cho ph\u00e9p):<\/strong> 0,12 mm<\/li>\n\n\n\n<li><strong>C\u00e1c c\u1ea3nh b\u00e1o r\u00f5 r\u00e0ng h\u01a1n ho\u1eb7c c\u00e1c d\u1ea5u hi\u1ec7u ph\u00e2n c\u1ef1c:<\/strong> 0,20 mm \u0111\u1ebfn 0,30 mm<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu b\u1ea1n v\u1ebd qu\u00e1 m\u1ea3nh, c\u00e1c \u0111\u01b0\u1eddng n\u00e9t s\u1ebd b\u1ecb \u0111\u1ee9t ho\u1eb7c m\u1edd \u0111i. N\u1ebfu v\u1ebd qu\u00e1 d\u00e0y, b\u1ea1n s\u1ebd m\u1ea5t \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u00e0m c\u00e1c chi ti\u1ebft kh\u00e1c ch\u1ed3ng ch\u00e9o l\u00ean nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-12-filled-shapes-vs-outlines\">H\u00ecnh c\u00f3 m\u00e0u vs \u0111\u01b0\u1eddng vi\u1ec1n<\/h3>\n\n\n\n<p>C\u00e1c h\u00ecnh c\u00f3 m\u00e0u n\u1ec1n (h\u00ecnh tam gi\u00e1c r\u1ed7ng, h\u00ecnh tr\u00f2n r\u1ed7ng) th\u01b0\u1eddng d\u1ec5 hi\u1ec3n th\u1ecb h\u01a1n khi in. N\u1ebfu b\u1ea1n c\u1ea7n m\u1ed9t ch\u1ec9 b\u00e1o \u1edf ch\u00e2n c\u1eafm 1 lu\u00f4n hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng, m\u1ed9t ch\u1ea5m c\u00f3 m\u00e0u n\u1ec1n th\u01b0\u1eddng s\u1ebd t\u1ed1t h\u01a1n so v\u1edbi m\u1ed9t h\u00ecnh tr\u00f2n ch\u1ec9 c\u00f3 vi\u1ec1n m\u1ecfng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-13-clearance-rules-where-silkscreen-should-not-go\">Quy t\u1eafc kho\u1ea3ng tr\u1ed1ng: nh\u1eefng v\u1ecb tr\u00ed KH\u00d4NG n\u00ean in l\u1ee5a<\/h2>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t m\u1ea1ch in s\u1ebd t\u1ef1 \u0111\u1ed9ng c\u1eaft b\u1ecf ph\u1ea7n in l\u1ee5a ch\u1ed3ng l\u00ean c\u00e1c l\u1ed7 tr\u00ean l\u1edbp ph\u1ee7 h\u00e0n, c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac v\u00e0 c\u00e1c v\u00f9ng \u0111\u1ed3ng l\u1ed9 ra. \u0110i\u1ec1u \u0111\u00f3 l\u00e0 t\u1ed1t. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 ngh\u0129a l\u00e0 v\u0103n b\u1ea3n c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 b\u1ecb c\u1eaft x\u00e9n th\u00e0nh nh\u1eefng \u0111o\u1ea1n v\u00f4 ngh\u0129a.<\/p>\n\n\n\n<p>V\u1eady l\u00e0 b\u1ea1n mu\u1ed1n thi\u1ebft k\u1ebf sao cho \u0111\u1ea3m b\u1ea3o kho\u1ea3ng tr\u1ed1ng, ch\u1ee9 kh\u00f4ng n\u00ean d\u1ef1a v\u00e0o t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng c\u1eaft x\u00e9n.<\/p>\n\n\n\n<p>Kho\u1ea3ng c\u00e1ch an to\u00e0n th\u1ef1c t\u1ebf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>In l\u1ee5a l\u00ean c\u00e1c \u0111i\u1ec3m h\u00e0n:<\/strong> \u00edt nh\u1ea5t 0,15 mm, t\u1ed1t nh\u1ea5t l\u00e0 0,20 mm<\/li>\n\n\n\n<li><strong>Kho\u1ea3ng tr\u1ed1ng l\u1ed7 via tr\u00ean b\u1ea3n in l\u1ee5a:<\/strong> t\u1eeb \u00edt nh\u1ea5t 0,15 mm \u0111\u1ebfn 0,20 mm<\/li>\n\n\n\n<li><strong>In l\u1ee5a \u0111\u1ebfn m\u00e9p b\u1ea3ng:<\/strong> \u00edt nh\u1ea5t 0,25 mm (ho\u1eb7c nhi\u1ec1u h\u01a1n n\u1ebfu m\u00e9p s\u1ebd \u0111\u01b0\u1ee3c gia c\u00f4ng th\u00f4)<\/li>\n\n\n\n<li><strong>In l\u1ee5a l\u00ean th\u00e2n linh ki\u1ec7n:<\/strong> h\u00e3y ch\u1eeba m\u1ed9t kho\u1ea3ng tr\u1ed1ng \u0111\u1ec3 nh\u00e3n v\u1eabn c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c sau khi l\u1eafp r\u00e1p<\/li>\n<\/ul>\n\n\n\n<p>Ngo\u00e0i ra, h\u00e3y tr\u00e1nh in h\u00ecnh l\u1ee5a l\u00ean c\u00e1c \u0111\u01b0\u1eddng ng\u0103n c\u00e1ch l\u1edbp ph\u1ee7 h\u00e0n gi\u1eefa c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac. Ngay c\u1ea3 khi h\u00ecnh in \u0111\u01b0\u1ee3c, n\u00f3 v\u1eabn c\u00f3 th\u1ec3 b\u1ecb lem v\u00e0 tr\u00f4ng l\u1ed9n x\u1ed9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-14-masked-vs-unmasked-vias\">L\u1ed7 th\u00f4ng qua c\u00f3 l\u1edbp ph\u1ee7 so v\u1edbi l\u1ed7 th\u00f4ng qua kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7<\/h3>\n\n\n\n<p>N\u1ebfu c\u00e1c l\u1ed7 vias l\u00e0 <a href=\"https:\/\/docs.kicad.org\/9.0\/en\/pcbnew\/pcbnew.html\" rel=\"noreferrer noopener\" target=\"_blank\">\u0111\u01b0\u1ee3c che ph\u1ee7 (b\u1eb1ng l\u1edbp ph\u1ee7 h\u00e0n)<\/a>, l\u1edbp in l\u1ee5a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c in l\u00ean tr\u00ean ch\u00fang m\u1ed9t c\u00e1ch an to\u00e0n h\u01a1n. N\u1ebfu c\u00e1c l\u1ed7 vias kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn, m\u1ef1c c\u00f3 th\u1ec3 lan v\u00e0o c\u00e1c l\u1ed7 ho\u1eb7c b\u1ecb v\u1ee1 xung quanh mi\u1ec7ng l\u1ed7. Trong c\u00e1c thi\u1ebft k\u1ebf c\u00f3 m\u1eadt \u0111\u1ed9 cao, vi\u1ec7c che ph\u1ee7 c\u00e1c l\u1ed7 vias b\u1eb1ng l\u1edbp in l\u1ee5a th\u01b0\u1eddng gi\u00fap c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng in.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-15-color-selection-whats-actually-readable\">L\u1ef1a ch\u1ecdn m\u00e0u s\u1eafc: m\u00e0u n\u00e0o th\u1ef1c s\u1ef1 d\u1ec5 \u0111\u1ecdc<\/h2>\n\n\n\n<p>C\u00e1c m\u00e0u in l\u1ee5a ti\u00eau chu\u1ea9n: <strong>tr\u1eafng, \u0111en, v\u00e0ng<\/strong>. L\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o <a href=\"https:\/\/www.robotroom.com\/Silkscreen-and-Solder-Mask-1.html\" rel=\"noreferrer noopener\" target=\"_blank\">M\u00e0u l\u1edbp ph\u1ee7 ch\u1ed1ng h\u00e0n v\u00e0 m\u00f4i tr\u01b0\u1eddng quan s\u00e1t<\/a>.<\/p>\n\n\n\n<p>C\u00e1c s\u1ef1 k\u1ebft h\u1ee3p ph\u1ed5 bi\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u1edbp ph\u1ee7 h\u00e0n m\u00e0u xanh l\u00e1 c\u00e2y:<\/strong> M\u00e0u tr\u1eafng l\u00e0 m\u00e0u m\u1eb7c \u0111\u1ecbnh l\u00e0 c\u00f3 l\u00fd do c\u1ee7a n\u00f3<\/li>\n\n\n\n<li><strong>L\u1edbp ph\u1ee7 h\u00e0n m\u00e0u \u0111en:<\/strong> c\u00e1c t\u00e1c ph\u1ea9m in l\u1ee5a m\u00e0u tr\u1eafng, m\u00e0u v\u00e0ng c\u0169ng c\u00f3 th\u1ec3 n\u1ed5i b\u1eadt<\/li>\n\n\n\n<li><strong>L\u1edbp ph\u1ee7 h\u00e0n m\u00e0u tr\u1eafng:<\/strong> In l\u1ee5a m\u00e0u \u0111en th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn<\/li>\n\n\n\n<li><strong>L\u1edbp ph\u1ee7 ch\u1ed1ng h\u00e0n m\u00e0u \u0111\u1ecf\/xanh d\u01b0\u01a1ng:<\/strong> M\u00e0u tr\u1eafng th\u01b0\u1eddng ph\u00f9 h\u1ee3p, nh\u01b0ng \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y theo l\u1edbp ho\u00e0n thi\u1ec7n<\/li>\n<\/ul>\n\n\n\n<p>C\u00f3 m\u1ed9t \u0111i\u1ec1u m\u00e0 m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng qu\u00ean. B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ph\u1ea3n x\u1ea1. <a href=\"https:\/\/flj-pcb.com\/vi\/pcb-manufacturer\/enig-pcb\/\" data-type=\"page\" data-id=\"2398\">ENIG<\/a> c\u00f3 v\u1ebb ngo\u00e0i s\u00e1ng b\u00f3ng, <a href=\"https:\/\/flj-pcb.com\/vi\/pcb-manufacturer\/hasl-pcb\/\" data-type=\"page\" data-id=\"2392\">HASL <\/a>c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ec1u v\u00e0 ph\u1ea3n chi\u1ebfu \u1edf m\u1ed9t s\u1ed1 ch\u1ed7. D\u01b0\u1edbi \u00e1nh s\u00e1ng m\u1ea1nh, m\u1ed9t s\u1ed1 d\u00f2ng ch\u1eef tr\u1edf n\u00ean kh\u00f3 \u0111\u1ecdc h\u01a1n, ngay c\u1ea3 khi \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n \u201cv\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft\u201d l\u00e0 \u1ed5n.<\/p>\n\n\n\n<p>N\u1ebfu t\u00ednh d\u1ec5 \u0111\u1ecdc l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng, \u0111\u1eebng ch\u1ecdn \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n th\u1ea5p ch\u1ec9 v\u00ec l\u00fd do th\u1ea9m m\u1ef9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-16-placement-tips-that-save-you-later\">Nh\u1eefng l\u1eddi khuy\u00ean v\u1ec1 vi\u1ec7c s\u1eafp x\u1ebfp gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian sau n\u00e0y<\/h2>\n\n\n\n<p>M\u1ed9t s\u1ed1 th\u00f3i quen gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 l\u1eafp r\u00e1p v\u00e0 gi\u1ea3m thi\u1ec3u sai s\u00f3t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-17-put-reference-designators-where-they-can-be-seen-after-assembly\">\u0110\u1eb7t k\u00fd hi\u1ec7u tham chi\u1ebfu \u1edf nh\u1eefng v\u1ecb tr\u00ed d\u1ec5 nh\u00ecn th\u1ea5y sau khi l\u1eafp r\u00e1p<\/h3>\n\n\n\n<p>Nghe c\u00f3 v\u1ebb hi\u1ec3n nhi\u00ean. Nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u1ebfu c\u00f3 th\u1ec3, h\u00e3y \u0111\u1eb7t c\u00e1c bi\u1ec3n ch\u1ec9 d\u1eabn b\u00ean ngo\u00e0i khu\u00f4n vi\u00ean t\u00f2a nh\u00e0.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1ea1ch t\u00edch h\u1ee3p (IC), h\u00e3y \u0111\u1eb7t c\u00e1c \u0111i\u1ec7n tr\u1edf tham chi\u1ebfu g\u1ea7n ph\u00eda ch\u00e2n s\u1ed1 1, nh\u01b0ng kh\u00f4ng \u0111\u1eb7t d\u01b0\u1edbi chip.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00e2u b\u1ecb \u0111\u1ed9ng, h\u00e3y s\u1eafp x\u1ebfp c\u00e1c t\u1eeb ch\u1ec9 \u0111\u1ecbnh tham chi\u1ebfu (refdes) sao cho nh\u1ea5t qu\u00e1n v\u00e0 c\u00f9ng h\u01b0\u1edbng \u0111\u1ecdc tr\u00ean to\u00e0n b\u1ed9 v\u0103n b\u1ea3n.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-18-orientation-and-polarity-marks-should-be-redundant\">C\u00e1c d\u1ea5u \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0 d\u1ea5u c\u1ef1c n\u00ean \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi \u0111i\u1ed1t, \u0111\u00e8n LED v\u00e0 t\u1ee5 \u0111i\u1ec7n. S\u1eed d\u1ee5ng c\u1ea3 hai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>bi\u1ec3u t\u01b0\u1ee3ng c\u1ef1c t\u00ednh tr\u00ean b\u1ea3n in l\u1ee5a<\/li>\n\n\n\n<li>v\u00e0 m\u1ed9t bi\u1ec3u t\u01b0\u1ee3ng h\u00ecnh \u1ea3nh r\u00f5 r\u00e0ng (nh\u01b0 h\u00ecnh kh\u00eda, thanh ngang, d\u1ea5u c\u1ed9ng)<\/li>\n\n\n\n<li>v\u00e0 t\u1ed1t nh\u1ea5t l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n th\u01b0 vi\u1ec7n th\u1ed1ng nh\u1ea5t<\/li>\n<\/ul>\n\n\n\n<p>B\u1edfi v\u00ec n\u1ebfu m\u1ed9t con b\u1ecb b\u1eafn tr\u00fang, con c\u00f2n l\u1ea1i th\u01b0\u1eddng v\u1eabn s\u1ed1ng s\u00f3t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-19-mark-test-points-like-you-mean-it\">H\u00e3y \u0111\u00e1nh d\u1ea5u c\u00e1c \u0111i\u1ec3m ki\u1ec3m tra m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn<\/h3>\n\n\n\n<p>N\u1ebfu b\u1ea3ng m\u1ea1ch s\u1ebd \u0111\u01b0\u1ee3c ki\u1ec3m tra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ghi nh\u00e3n c\u00e1c \u0111i\u1ec3m ki\u1ec3m tra b\u1eb1ng \u201cTPxx\u201d<\/li>\n\n\n\n<li>N\u1ebfu c\u00f3 \u0111\u1ee7 ch\u1ed7, h\u00e3y ghi th\u00eam t\u00ean m\u1ea1ng ho\u1eb7c \u0111i\u1ec7n \u00e1p (TP5 3V3)<\/li>\n\n\n\n<li>H\u00e3y s\u1eed d\u1ee5ng h\u00ecnh tr\u00f2n ho\u1eb7c bi\u1ec3u t\u01b0\u1ee3ng m\u1ee5c ti\u00eau c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u1ee7 l\u1edbn \u0111\u1ec3 c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y nhanh ch\u00f3ng<\/li>\n<\/ul>\n\n\n\n<p>V\u00e0 h\u00e3y tr\u00e1nh \u0111\u1eb7t nh\u00e3n \u0111i\u1ec3m ki\u1ec3m tra \u1edf nh\u1eefng khu v\u1ef1c s\u1ebd b\u1ecb che khu\u1ea5t b\u1edfi t\u1ea5m ch\u1eafn, b\u1ed9 t\u1ea3n nhi\u1ec7t ho\u1eb7c c\u00e1c \u0111\u1ea7u n\u1ed1i cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-20-how-fabrication-realities-mess-with-silkscreen-and-how-you-design-around-it\">Nh\u1eefng th\u00e1ch th\u1ee9c trong qu\u00e1 tr\u00ecnh gia c\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ef9 thu\u1eadt in l\u1ee5a nh\u01b0 th\u1ebf n\u00e0o (v\u00e0 c\u00e1ch b\u1ea1n thi\u1ebft k\u1ebf \u0111\u1ec3 kh\u1eafc ph\u1ee5c \u0111i\u1ec1u \u0111\u00f3)<\/h2>\n\n\n\n<p>In l\u1ee5a c\u00f3 th\u1ec3 g\u1eb7p m\u1ed9t s\u1ed1 s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-21-misalignment-and-registration-shift\">S\u1ef1 l\u1ec7ch tr\u1ee5c v\u00e0 sai l\u1ec7ch v\u1ecb tr\u00ed<\/h3>\n\n\n\n<p>C\u00e1c nguy\u00ean nh\u00e2n bao g\u1ed3m <a href=\"https:\/\/screenprintingmag.com\/screen-printing-troubleshooting\/\" rel=\"noreferrer noopener\" target=\"_blank\">l\u1ed7i \u0111\u0103ng k\u00fd<\/a>, hi\u1ec7n t\u01b0\u1ee3ng cong v\u00e1n in v\u00e0 dung sai quy tr\u00ecnh. Trong in l\u1ee5a th\u1ee7 c\u00f4ng, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a vi\u1ec7c c\u0103n ch\u1ec9nh ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o ng\u01b0\u1eddi v\u1eadn h\u00e0nh. M\u00e1y in t\u1ef1 \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c c\u0103n ch\u1ec9nh \u1edf m\u1ee9c micromet, nh\u01b0ng kh\u00f4ng c\u00f3 g\u00ec l\u00e0 ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf sao cho ph\u00f9 h\u1ee3p v\u1edbi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>kh\u00f4ng \u0111\u1eb7t v\u0103n b\u1ea3n qu\u00e1 g\u1ea7n c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac<\/li>\n\n\n\n<li>tr\u00e1nh c\u00e1c chi ti\u1ebft nh\u1ecf \u0111\u00f2i h\u1ecfi s\u1ef1 c\u0103n ch\u1ec9nh ho\u00e0n h\u1ea3o<\/li>\n\n\n\n<li>t\u1ea1o th\u00eam m\u1ed9t ch\u00fat kho\u1ea3ng tr\u1ed1ng cho c\u00e1c bi\u1ec3u t\u01b0\u1ee3ng<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-22-smudging-and-ink-spread\">V\u1ebft lem v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng loang m\u1ef1c<\/h3>\n\n\n\n<p>Th\u01b0\u1eddng do l\u01b0\u1ee3ng m\u1ef1c qu\u00e1 nhi\u1ec1u, \u0111\u1ed9 nh\u1edbt kh\u00f4ng ph\u00f9 h\u1ee3p, nhi\u1ec5m b\u1ea9n ho\u1eb7c qu\u00e1 tr\u00ecnh l\u00e0m kh\u00f4 kh\u00f4ng \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<p>B\u1ea1n kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t nh\u00e0 m\u00e1y <a href=\"https:\/\/www.bbpress.co.uk\/news\/potential-problems-with-screen-printing-and-how-to-solve-them\" rel=\"noreferrer noopener\" target=\"_blank\">\u0111\u1ed9 nh\u1edbt c\u1ee7a m\u1ef1c<\/a> t\u1eeb CAD, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tr\u00e1nh s\u1eed d\u1ee5ng n\u00e9t v\u1ebd qu\u00e1 m\u1ea3nh<\/li>\n\n\n\n<li>Tr\u00e1nh nh\u1ed3i nh\u00e9t v\u0103n b\u1ea3n v\u00e0o gi\u1eefa c\u00e1c mi\u1ebfng \u0111\u1ec7m<\/li>\n\n\n\n<li>s\u1eed d\u1ee5ng c\u00e1c ki\u1ec3u ch\u1eef \u0111\u01a1n gi\u1ea3n h\u01a1n<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"900\" height=\"554\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/PCB-silkscreen-offset.webp\" alt=\"PCB silkscreen offset\" class=\"wp-image-4892\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/PCB-silkscreen-offset.webp 900w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/PCB-silkscreen-offset-300x185.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/PCB-silkscreen-offset-768x473.webp 768w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/PCB-silkscreen-offset-18x12.webp 18w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-23-missing-or-faded-prints\">H\u00ecnh in b\u1ecb m\u1ea5t ho\u1eb7c m\u1edd<\/h3>\n\n\n\n<p>M\u00e0n h\u00ecnh b\u1ecb m\u00f2n, \u0111\u1ed9 b\u00e1m d\u00ednh k\u00e9m, ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng, quy tr\u00ecnh \u0111\u00f3ng r\u1eafn kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u. M\u1ed9t l\u1ea7n n\u1eefa, \u0111\u00e2y l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn kh\u00e2u s\u1ea3n xu\u1ea5t, nh\u01b0ng thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n s\u1ebd g\u00f3p ph\u1ea7n gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch duy tr\u00ec k\u00edch th\u01b0\u1edbc chi ti\u1ebft \u1edf m\u1ee9c h\u1ee3p l\u00fd.<\/p>\n\n\n\n<p>V\u00e0 vi\u1ec7c b\u1ea3o qu\u1ea3n c\u0169ng r\u1ea5t quan tr\u1ecdng. \u0110\u1ed9 \u1ea9m v\u00e0 s\u1ef1 dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng. N\u1ebfu c\u00e1c b\u1ea3ng m\u1ea1ch s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, h\u00e3y trao \u0111\u1ed5i v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t v\u1ec1 lo\u1ea1i m\u1ef1c in v\u00e0 m\u1ee9c \u0111\u1ed9 b\u1ec1n mong \u0111\u1ee3i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-24-ipc-and-symbol-conventions-the-sensible-approach\">Quy \u01b0\u1edbc v\u1ec1 IPC v\u00e0 k\u00fd hi\u1ec7u (c\u00e1ch ti\u1ebfp c\u1eadn h\u1ee3p l\u00fd)<\/h2>\n\n\n\n<p>B\u1ea1n s\u1ebd th\u1ea5y c\u00e1c tham chi\u1ebfu \u0111\u1ebfn c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 IPC-7351 v\u1ec1 b\u1ed1 tr\u00ed m\u1ea1ch h\u1edf v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t linh ki\u1ec7n. Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan \u0111\u1ebfn quy \u01b0\u1edbc \u0111\u00e1nh d\u1ea5u, ki\u1ec3m tra, \u0111\u1ed9 b\u1ec1n v\u00e0 ti\u00eau chu\u1ea9n ch\u1ea5p nh\u1eadn chung v\u1ec1 gia c\u00f4ng.<\/p>\n\n\n\n<p>Trong th\u1ef1c t\u1ebf, \u0111\u1ed1i v\u1edbi thi\u1ebft k\u1ebf in l\u1ee5a, \u201ct\u01b0 duy IPC\u201d l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00e3y s\u1eed d\u1ee5ng c\u00e1c k\u00fd hi\u1ec7u r\u00f5 r\u00e0ng v\u00e0 th\u00f4ng d\u1ee5ng.<\/li>\n\n\n\n<li>H\u00e3y \u0111\u1ea3m b\u1ea3o v\u0103n b\u1ea3n d\u1ec5 \u0111\u1ecdc.<\/li>\n\n\n\n<li>Kh\u00f4ng n\u00ean \u0111\u00e1nh d\u1ea5u \u1edf nh\u1eefng v\u1ecb tr\u00ed c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf vi\u1ec7c h\u00e0n ho\u1eb7c ki\u1ec3m tra.<\/li>\n\n\n\n<li>H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea5u tr\u00fac m\u00e3 kh\u00f4ng g\u00e2y nh\u1ea7m l\u1eabn.<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu b\u1ea1n ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c l\u0129nh v\u1ef1c y t\u1ebf, \u00f4 t\u00f4 ho\u1eb7c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, th\u00ec \u0111\u00fang v\u1eady, b\u1ea1n n\u00ean tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n v\u1ec1 ghi nh\u00e3n v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c bo m\u1ea1ch th\u01b0\u01a1ng m\u1ea1i, vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh n\u00e0y v\u1eabn mang l\u1ea1i l\u1ee3i \u00edch cho b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-25-special-cases-flexible-pcbs-and-high-density-boards\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t: b\u1ea3ng m\u1ea1ch in linh ho\u1ea1t v\u00e0 b\u1ea3ng m\u1ea1ch m\u1eadt \u0111\u1ed9 cao<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-26-flexible-pcbs\">Bo m\u1ea1ch in linh ho\u1ea1t<\/h3>\n\n\n\n<p>B\u1ea3ng m\u1ea1ch d\u1ebbo c\u00f3 th\u1ec3 u\u1ed1n cong. M\u1ef1c in c\u0169ng c\u1ea7n ph\u1ea3i d\u1ebbo, v\u00e0 vi\u1ec7c b\u00e1m d\u00ednh c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n h\u01a1n. \u00c1p l\u1ef1c in v\u00e0 \u0111\u1ed9 c\u0103ng c\u1ee7a l\u01b0\u1edbi in tr\u1edf n\u00ean nh\u1ea1y c\u1ea3m h\u01a1n, do \u0111\u00f3 vi\u1ec7c in c\u00e1c k\u00fd hi\u1ec7u r\u1ea5t nh\u1ecf s\u1ebd ti\u1ec1m \u1ea9n nhi\u1ec1u r\u1ee7i ro h\u01a1n.<\/p>\n\n\n\n<p>N\u1ebfu thi\u1ebft k\u1ebf m\u1ea1ch d\u1ebbo c\u1ee7a b\u1ea1n c\u00f3 m\u1eadt \u0111\u1ed9 cao, h\u00e3y c\u00e2n nh\u1eafc:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u1eef cho thi\u1ebft k\u1ebf in l\u1ee5a \u0111\u01a1n gi\u1ea3n<\/li>\n\n\n\n<li>s\u1eed d\u1ee5ng c\u00e1c k\u00fd hi\u1ec7u l\u1edbn h\u01a1n, n\u1ed5i b\u1eadt h\u01a1n<\/li>\n\n\n\n<li>c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh d\u1ea5u thay th\u1ebf nh\u01b0 in phun m\u1ef1c ho\u1eb7c kh\u1eafc laser (b\u1ec1n h\u01a1n, th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-27-high-density-boards\">V\u00e1n \u00e9p m\u1eadt \u0111\u1ed9 cao<\/h3>\n\n\n\n<p>\u0110\u00f4i khi \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng c\u00f2n ch\u1ed7.<\/p>\n\n\n\n<p>C\u00f2n g\u00ec hi\u1ec7u qu\u1ea3 h\u01a1n vi\u1ec7c thu nh\u1ecf m\u1ecdi th\u1ee9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chuy\u1ec3n m\u1ed9t s\u1ed1 ch\u00fa th\u00edch sang b\u1ea3n v\u1ebd l\u1eafp r\u00e1p thay v\u00ec b\u1ea3n v\u1ebd m\u1ea1ch in.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng \u00edt nh\u00e3n h\u01a1n nh\u01b0ng mang \u00fd ngh\u0129a h\u01a1n (ch\u1ec9 ghi c\u00e1c \u0111i\u1ec3m n\u1ed1i, c\u1ef1c t\u00ednh v\u00e0 c\u00e1c IC ch\u00ednh).<\/li>\n\n\n\n<li>N\u1ebfu nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3, h\u00e3y s\u1eed d\u1ee5ng m\u00e3 QR ho\u1eb7c m\u00e3 2D \u0111\u1ec3 theo d\u00f5i v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c, nh\u01b0ng h\u00e3y ki\u1ec3m tra kh\u1ea3 n\u0103ng \u0111\u1ecdc tr\u00ean c\u00e1c m\u1eabu th\u1ef1c t\u1ebf.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-28-quick-checklist-my-safe-default-silkscreen-rules\">Danh s\u00e1ch ki\u1ec3m tra nhanh: C\u00e1c quy t\u1eafc in l\u1ee5a \u201cm\u1eb7c \u0111\u1ecbnh an to\u00e0n\u201d c\u1ee7a t\u00f4i<\/h2>\n\n\n\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n m\u1ed9t \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho h\u1ea7u h\u1ebft c\u00e1c b\u1ea3ng m\u1ea1ch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/pagination.com\/best-fonts-for-brochures-flyers-and-booklets\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ph\u00f4ng ch\u1eef sans serif \u0111\u01a1n gi\u1ea3n<\/a>, nh\u1ea5t qu\u00e1n tr\u00ean m\u1ecdi ph\u01b0\u01a1ng di\u1ec7n<\/li>\n\n\n\n<li>Chi\u1ec1u cao v\u0103n b\u1ea3n <strong>1,0 mm \u0111\u1ebfn 1,5 mm<\/strong> n\u1ebfu c\u00f3 th\u1ec3, h\u00e3y s\u1eed d\u1ee5ng m\u00e3 tham chi\u1ebfu<\/li>\n\n\n\n<li>\u0110\u1ed9 r\u1ed9ng n\u00e9t <strong>0,15 mm \u0111\u1ebfn 0,20 mm<\/strong><\/li>\n\n\n\n<li>\u0110\u1ed9 r\u1ed9ng \u0111\u01b0\u1eddng n\u00e9t in l\u1ee5a <strong>0,15 mm \u0111\u1ebfn 0,20 mm<\/strong><\/li>\n\n\n\n<li>Kho\u1ea3ng c\u00e1ch \u0111\u1ebfn c\u00e1c mi\u1ebfng \u0111\u1ec7m v\u00e0 ph\u1ea7n \u0111\u1ed3ng l\u1ed9 ra <strong>\u01afu ti\u00ean 0,20 mm<\/strong><\/li>\n\n\n\n<li>\u0110\u1eebng ch\u1ec9 d\u1ef1a v\u00e0o t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng c\u1eaft x\u00e9n; h\u00e3y \u0111\u1eb7t ch\u00fa th\u00edch sao cho ch\u00fang kh\u00f4ng b\u1ecb c\u1eaft m\u1ea5t<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o c\u00e1c k\u00fd hi\u1ec7u ch\u1ec9 c\u1ef1c t\u00ednh v\u00e0 ch\u00e2n s\u1ed1 1 ph\u1ea3i r\u00f5 r\u00e0ng v\u00e0 \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i<\/li>\n\n\n\n<li>H\u00e3y ch\u1ecdn m\u00e0u in l\u1ee5a \u0111\u1ec3 t\u1ea1o s\u1ef1 t\u01b0\u01a1ng ph\u1ea3n, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u1ec3 t\u1ea1o c\u1ea3m gi\u00e1c<\/li>\n<\/ul>\n\n\n\n<p>N\u00f3 kh\u00f4ng h\u1ec1 l\u1ed9ng l\u1eaby. Nh\u01b0ng n\u00f3 in ra \u0111\u1eb9p v\u00e0 d\u1ec5 \u0111\u1ecdc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-29-a-note-on-silkscreen-services-and-production\">M\u1ed9t s\u1ed1 l\u01b0u \u00fd v\u1ec1 d\u1ecbch v\u1ee5 v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t in l\u1ee5a<\/h2>\n\n\n\n<p>Nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t PCB cung c\u1ea5p d\u1ecbch v\u1ee5 in l\u1ee5a nh\u01b0 m\u1ed9t t\u00f9y ch\u1ecdn ti\u00eau chu\u1ea9n, bao g\u1ed3m c\u00e1c d\u1ecbch v\u1ee5 nh\u01b0 PCBGOGO v\u00e0 nhi\u1ec1u \u0111\u01a1n v\u1ecb kh\u00e1c. D\u00f9 b\u1ea3ng m\u1ea1ch c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00f4ng ngh\u1ec7 LPI hay DLP, c\u00e1c nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf n\u00eau tr\u00ean v\u1eabn \u00e1p d\u1ee5ng.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang in th\u1ee7 c\u00f4ng t\u1ea1i ch\u1ed7, h\u00e3y chu\u1ea9n b\u1ecb tinh th\u1ea7n \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec1u bi\u1ebfn \u0111\u1ed9ng h\u01a1n v\u00e0 nhi\u1ec1u kh\u00f3 kh\u0103n h\u01a1n trong vi\u1ec7c c\u0103n ch\u1ec9nh. <a href=\"https:\/\/www.allpcb.com\/blog\/pcb-knowledge\/the-impact-of-silkscreen-font-size-on-automated-optical-inspection-aoi.html\" rel=\"noreferrer noopener\" target=\"_blank\">M\u00e1y in l\u1ee5a t\u1ef1 \u0111\u1ed9ng<\/a> nhanh h\u01a1n v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n khi x\u1eed l\u00fd kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, nh\u01b0ng thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n v\u1eabn ph\u1ea3i \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p>V\u00e0 \u0111\u00fang v\u1eady, n\u1ebfu b\u1ea1n t\u1eebng th\u1ea5y m\u1ed9t b\u1ea3ng m\u1ea1ch m\u00e0 c\u00e1c k\u00fd hi\u1ec7u b\u1ecb l\u1ec7ch nh\u1eb9 v\u00e0 m\u1ed9t n\u1eeda c\u00e1c k\u00fd hi\u1ec7u \u201cR\u201d b\u1ecb thi\u1ebfu, th\u00ec \u0111\u00f3 th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 do nh\u00e0 thi\u1ebft k\u1ebf \u201cqu\u00ean\u201d. M\u00e0 l\u00e0 v\u00ec thi\u1ebft k\u1ebf \u0111\u00f3 \u0111\u00e3 n\u1eb1m ngay \u1edf gi\u1edbi h\u1ea1n m\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-30-get-your-pcb-quote-today\">Nh\u1eadn b\u00e1o gi\u00e1 PCB ngay h\u00f4m nay<\/h2>\n\n\n\n<p>B\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t \u0111\u1ed1i t\u00e1c s\u1ea3n xu\u1ea5t PCB uy t\u00edn chuy\u00ean v\u1ec1 in l\u1ee5a v\u00e0 s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch ho\u00e0n ch\u1ec9nh? <a href=\"https:\/\/flj-pcb.com\/vi\/\" data-type=\"page\" data-id=\"6\"><strong>Philifast<\/strong> <\/a>ch\u00fang t\u00f4i lu\u00f4n s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n t\u1eeb kh\u00e2u thi\u1ebft k\u1ebf \u0111\u1ebfn khi ho\u00e0n th\u00e0nh. <strong><a href=\"https:\/\/flj-pcb.com\/vi\/contact\/\" data-type=\"page\" data-id=\"1581\">H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay \u0111\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 nhanh ch\u00f3ng v\u00e0 chuy\u00ean nghi\u1ec7p.<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-31-faqs-frequently-asked-questions\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-32-what-is-silkscreen-on-a-pcb-and-why-is-it-important\">In l\u1ee5a tr\u00ean b\u1ea3ng m\u1ea1ch in l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng?<\/h3>\n\n\n\n<p>In l\u1ee5a tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB) l\u00e0 l\u1edbp m\u1ef1c kh\u00f4ng d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c in l\u00ean b\u1ea3ng m\u1ea1ch nh\u1eb1m x\u00e1c \u0111\u1ecbnh c\u00e1c linh ki\u1ec7n, ch\u00e2n s\u1ed1 1, c\u1ef1c t\u00ednh, \u0111\u1ea7u n\u1ed1i, d\u00e2y nh\u1ea3y, \u0111i\u1ec3m ki\u1ec3m tra, c\u1ea3nh b\u00e1o, logo v\u00e0 m\u00e3 phi\u00ean b\u1ea3n. L\u1edbp in n\u00e0y cung c\u1ea5p to\u00e0n b\u1ed9 th\u00f4ng tin c\u1ea7n thi\u1ebft cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng, gi\u00fap k\u1ef9 thu\u1eadt vi\u00ean l\u1eafp r\u00e1p \u0111\u1eb7t c\u00e1c linh ki\u1ec7n ch\u00ednh x\u00e1c, h\u1ed7 tr\u1ee3 k\u1ef9 s\u01b0 ki\u1ec3m tra x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u00e1c \u0111i\u1ec3m nhanh ch\u00f3ng, \u0111\u1ed3ng th\u1eddi t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c tra c\u1ee9u trong t\u01b0\u01a1ng lai khi b\u1ea3o tr\u00ec ho\u1eb7c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-33-what-materials-and-colors-are-commonly-used-for-pcb-silkscreen\">Nh\u1eefng lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 m\u00e0u s\u1eafc n\u00e0o th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong in l\u1ee5a tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB)?<\/h3>\n\n\n\n<p>In l\u1ee5a tr\u00ean PCB th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u1ef1c kh\u00f4ng d\u1eabn \u0111i\u1ec7n g\u1ed1c epoxy ho\u1eb7c m\u1ef1c kh\u00f4 b\u1eb1ng tia UV. C\u00e1c m\u00e0u ph\u1ed5 bi\u1ebfn bao g\u1ed3m tr\u1eafng, \u0111en v\u00e0 v\u00e0ng. M\u1ef1c epoxy c\u00f3 \u0111\u1ed9 b\u00e1m d\u00ednh cao v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 h\u00e0n t\u1ed1t, trong khi m\u1ef1c kh\u00f4 b\u1eb1ng tia UV kh\u00f4 nhanh v\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c \u0111\u1ee3t s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-34-what-are-the-main-printing-methods-for-pcb-silkscreen-and-how-do-they-differ\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p in l\u1ee5a ch\u00ednh tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB) l\u00e0 g\u00ec v\u00e0 ch\u00fang kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p>Hai ph\u01b0\u01a1ng ph\u00e1p in ch\u00ednh l\u00e0 In \u1ea3nh l\u1ecfng (LPI) v\u00e0 In tr\u1ef1c ti\u1ebfp k\u00fd hi\u1ec7u (DLP). Ph\u01b0\u01a1ng ph\u00e1p LPI s\u1eed d\u1ee5ng m\u1ef1c nh\u1ea1y s\u00e1ng v\u1edbi quy tr\u00ecnh ph\u01a1i s\u00e1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t v\u00e0 th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n cao. Ph\u01b0\u01a1ng ph\u00e1p DLP s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt in phun tr\u1ef1c ti\u1ebfp l\u00ean b\u1ea3ng m\u1ea1ch in (PCB), cho ph\u00e9p x\u1eed l\u00fd nhanh h\u01a1n v\u00e0 chi ti\u1ebft s\u1eafc n\u00e9t h\u01a1n, nh\u01b0ng \u0111\u1ed9 b\u1ec1n c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat t\u00f9y thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng m\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-35-what-font-styles-are-recommended-for-pcb-silkscreen-to-ensure-legibility\">N\u00ean s\u1eed d\u1ee5ng nh\u1eefng ki\u1ec3u ch\u1eef n\u00e0o cho in l\u1ee5a tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 r\u00f5 n\u00e9t?<\/h3>\n\n\n\n<p>N\u00ean s\u1eed d\u1ee5ng c\u00e1c ph\u00f4ng ch\u1eef sans serif \u0111\u01a1n gi\u1ea3n, ti\u00eau chu\u1ea9n nh\u01b0 ph\u00f4ng ch\u1eef n\u00e9t \u0111\u01a1n\/vect\u01a1 ho\u1eb7c c\u00e1c ph\u00f4ng ch\u1eef t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Arial, Helvetica hay ki\u1ec3u DIN. Tr\u00e1nh s\u1eed d\u1ee5ng ph\u00f4ng ch\u1eef c\u00f3 ch\u00e2n, n\u00e9t m\u1ea3nh, c\u00e1c y\u1ebfu t\u1ed1 trang tr\u00ed, ch\u1eef nghi\u00eang \u1edf c\u1ee1 ch\u1eef nh\u1ecf ho\u1eb7c to\u00e0n b\u1ed9 ch\u1eef in hoa trong v\u0103n b\u1ea3n c\u00f3 k\u00edch th\u01b0\u1edbc r\u1ea5t nh\u1ecf. Vi\u1ec7c duy tr\u00ec s\u1ef1 nh\u1ea5t qu\u00e1n v\u1ec1 ki\u1ec3u ph\u00f4ng ch\u1eef tr\u00ean to\u00e0n b\u1ed9 t\u00e0i li\u1ec7u s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng \u0111\u1ecdc hi\u1ec3u khi tr\u00ecnh b\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-36-what-are-the-best-text-size-guidelines-for-pcb-silkscreen-to-ensure-readability-after-manufacturing\">Nh\u1eefng nguy\u00ean t\u1eafc n\u00e0o v\u1ec1 k\u00edch th\u01b0\u1edbc ch\u1eef l\u00e0 ph\u00f9 h\u1ee3p nh\u1ea5t cho b\u1ea3n in l\u1ee5a tr\u00ean PCB \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1ec5 \u0111\u1ecdc sau khi s\u1ea3n xu\u1ea5t?<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c k\u00fd hi\u1ec7u tham chi\u1ebfu v\u00e0 nh\u00e3n m\u00e1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 con ng\u01b0\u1eddi \u0111\u1ecdc b\u1eb1ng m\u1eaft th\u01b0\u1eddng m\u00e0 kh\u00f4ng c\u1ea7n k\u00ednh l\u00fap: chi\u1ec1u cao k\u00fd t\u1ef1 n\u00ean n\u1eb1m trong kho\u1ea3ng t\u1eeb 1,0 mm \u0111\u1ebfn 1,5 mm (t\u1ed1i thi\u1ec3u 0,8 mm n\u1ebfu c\u1ea7n thi\u1ebft), v\u00e0 \u0111\u1ed9 d\u00e0y n\u00e9t ch\u1eef n\u00ean n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,15 mm \u0111\u1ebfn 0,20 mm (t\u1ed1i thi\u1ec3u 0,12 mm n\u1ebfu c\u1ea7n thi\u1ebft). Kho\u1ea3ng c\u00e1ch th\u00edch h\u1ee3p gi\u1eefa c\u00e1c n\u00e9t ch\u1eef c\u0169ng r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 r\u00f5 n\u00e9t ngay c\u1ea3 khi m\u1ef1c b\u1ecb lem ho\u1eb7c x\u1ea3y ra sai l\u1ec7ch v\u1ecb tr\u00ed in trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-37-can-silkscreen-be-used-as-a-substitute-for-solder-mask-on-pcbs\">C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt in l\u1ee5a \u0111\u1ec3 thay th\u1ebf cho l\u1edbp ph\u1ee7 ch\u1ed1ng h\u00e0n tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB) kh\u00f4ng?<\/h3>\n\n\n\n<p>Kh\u00f4ng, l\u1edbp in l\u1ee5a kh\u00f4ng ph\u1ea3i l\u00e0 v\u1eadt li\u1ec7u thay th\u1ebf cho l\u1edbp ph\u1ee7 ch\u1ed1ng h\u00e0n. L\u1edbp ph\u1ee7 ch\u1ed1ng h\u00e0n c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng h\u00e0n ch\u1eadp v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ed3ng; trong khi \u0111\u00f3, l\u1edbp in l\u1ee5a ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 l\u00e0 l\u1edbp \u0111\u00e1nh d\u1ea5u nh\u1eb1m m\u1ee5c \u0111\u00edch nh\u1eadn di\u1ec7n, ch\u1eb3ng h\u1ea1n nh\u01b0 ghi nh\u00e3n linh ki\u1ec7n v\u00e0 c\u00e1c \u0111i\u1ec3m ki\u1ec3m tra. Vi\u1ec7c s\u1eed d\u1ee5ng l\u1edbp in l\u1ee5a \u0111\u1ec3 kh\u1eafc ph\u1ee5c c\u00e1c r\u1ee7i ro trong qu\u00e1 tr\u00ecnh h\u00e0n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 m\u1ef1c b\u1ecb ch\u00e1y ho\u1eb7c lem.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>In simple terms, silkscreen is the non conductive legend printed on the board to identify components, pin 1, polarity, connectors, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":4893,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[27,37,341,61,339,53,340,342,344,343],"class_list":["post-4890","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb-design","tag-pcb-assembly","tag-pcb-design","tag-pcb-font-size","tag-pcb-layout","tag-pcb-legend","tag-pcb-manufacturing","tag-pcb-silkscreen","tag-pcb-text-guidelines","tag-silkscreen-printing","tag-smt-pcb"],"spectra_custom_meta":{"_edit_lock":["1778146567:1"],"rank_math_internal_links_processed":["1"],"rank_math_primary_category":["36"],"rank_math_seo_score":["82"],"rank_math_title":["%title%"],"rank_math_focus_keyword":["Silk Screen"],"rank_math_description":["Stop unreadable legends. 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