{"id":4729,"date":"2026-02-26T06:37:28","date_gmt":"2026-02-26T06:37:28","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4729"},"modified":"2026-02-26T06:37:34","modified_gmt":"2026-02-26T06:37:34","slug":"how-cte-affects-pcb-reliability-and-design","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/fa\/how-cte-affects-pcb-reliability-and-design\/","title":{"rendered":"\u0686\u06af\u0648\u0646\u0647 CTE \u0628\u0631 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0648 \u0637\u0631\u0627\u062d\u06cc PCB \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u062f"},"content":{"rendered":"

\u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0645\u0627\u062f\u0647 (CTE) \u06cc\u06a9\u06cc \u0627\u0632 \u062e\u0648\u0627\u0635 \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u06cc\u06a9 \u0645\u0627\u062f\u0647 \u0627\u0633\u062a. \u0648\u0642\u062a\u06cc \u062f\u0645\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0642\u0637\u0639\u0647 \u0634\u06a9\u0644 \u062e\u0648\u062f \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f \u0648 \u062a\u0646\u0634 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f. \u0645\u0627 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u0631\u0627 \u0645\u062a\u0648\u0642\u0641 \u06a9\u0646\u06cc\u0645. \u0647\u0633\u062a\u0647\u200c\u06cc \u0633\u0627\u062e\u062a \u0647\u0631 \u0645\u062d\u0635\u0648\u0644 \u0627\u0644\u06a9\u062a\u0631\u0648\u0646\u06cc\u06a9\u06cc\u060c \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u0642\u0637\u0639\u0627\u062a\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0646\u06cc\u0627\u0632\u0645\u0646\u062f\u06cc\u200c\u0647\u0627 \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0631\u0648\u06cc \u0628\u0631\u062f \u0645\u062f\u0627\u0631 \u0686\u0627\u067e\u06cc (PCB). \u0645\u0627 \u0642\u0637\u0639\u0627\u062a \u0631\u0627 \u0628\u0627 \u0644\u062d\u06cc\u0645\u200c\u06a9\u0627\u0631\u06cc \u0628\u0647 \u0628\u0631\u062f \u0645\u062a\u0635\u0644 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0628\u0631\u0627\u06cc \u0641\u0646\u0627\u0648\u0631\u06cc \u0633\u0648\u0631\u0627\u062e\u200c\u06af\u0630\u0631 (THT)<\/a>, \u0642\u0637\u0639\u0627\u062a \u062f\u0627\u0631\u0627\u06cc \u067e\u0627\u06cc\u0647\u200c\u0647\u0627 \u0647\u0633\u062a\u0646\u062f. \u0648\u0642\u062a\u06cc \u0628\u0631\u062f \u062e\u0645 \u06cc\u0627 \u0645\u0646\u0628\u0633\u0637 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u067e\u0627\u06cc\u0647 \u062e\u0645 \u0634\u062f\u0647 \u0648 \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u0632 \u062a\u0646\u0634 \u0631\u0627 \u062c\u0630\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0628\u062f\u0646\u0647\u200c\u06cc \u0642\u0637\u0639\u0647 \u062a\u0646\u0634 \u06a9\u0645\u062a\u0631\u06cc \u0631\u0627 \u062a\u062c\u0631\u0628\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u067e\u0627\u06cc\u0647\u200c\u0647\u0627\u06cc \u0628\u0644\u0646\u062f\u062a\u0631 \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc \u0648\u0627\u0631\u062f \u0634\u062f\u0646 \u062a\u0646\u0634 \u06a9\u0645\u062a\u0631 \u0628\u0647 \u0628\u062f\u0646\u0647\u200c\u06cc \u0642\u0637\u0639\u0647 \u0627\u0633\u062a. \u062a\u0646\u0634 \u0644\u062d\u06cc\u0645 \u0646\u0627\u0634\u06cc \u0627\u0632 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0645\u0627 \u0639\u0645\u062f\u062a\u0627\u064b \u0628\u0631 \u0645\u062d\u0644 \u0644\u062d\u06cc\u0645 \u0648 \u067e\u062f \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u062f. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0628\u0631 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0644\u062d\u06cc\u0645 \u062a\u0623\u062b\u06cc\u0631 \u062f\u0627\u0631\u062f.<\/p>\n\n\n\n

\u0648\u0642\u062a\u06cc \u0645\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u0641\u0646\u0627\u0648\u0631\u06cc \u0646\u0635\u0628 \u0633\u0637\u062d\u06cc (SMT)<\/a>, \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0642\u0637\u0639\u0627\u062a \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0648\u06cc \u0628\u0631\u062f \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u0645. \u0627\u0645\u0627 \u0642\u0637\u0639\u0627\u062a \u067e\u0627\u06cc\u0647\u200c\u0647\u0627\u06cc \u0628\u0644\u0646\u062f\u06cc \u0646\u062f\u0627\u0631\u0646\u062f \u06a9\u0647 \u062a\u0646\u0634 \u0631\u0627 \u062c\u0630\u0628 \u06a9\u0646\u0646\u062f. \u062a\u0646\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0648\u0627\u0631\u062f \u0628\u062f\u0646\u0647 \u0642\u0637\u0639\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0642\u0637\u0639\u0647 \u06cc\u0627 \u0645\u062d\u0644 \u0644\u062d\u06cc\u0645 \u0631\u0627 \u0628\u0634\u06a9\u0646\u062f \u0627\u06af\u0631 \u0628\u0631\u062f \u0648 \u0642\u0637\u0639\u0647 \u0628\u0627 \u0646\u0631\u062e\u200c\u0647\u0627\u06cc \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0645\u0646\u0628\u0633\u0637 \u0634\u0648\u0646\u062f.<\/p>\n\n\n\n

\u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc CTE \u0645\u0627\u062f\u0647 \u067e\u0627\u06cc\u0647 FR4<\/h2>\n\n\n\n

\u0645\u0627\u062f\u0647\u0654 \u067e\u0627\u06cc\u0647\u0654 \u0631\u0627\u06cc\u062c \u062a\u0642\u0648\u06cc\u062a\u200c\u0634\u062f\u0647 \u0628\u0627 \u0627\u0644\u06cc\u0627\u0641 \u0634\u06cc\u0634\u0647\u200c\u0627\u06cc (FR4)<\/a> CTE \u062f\u0631 \u0645\u062d\u0648\u0631 z (\u062f\u0631 \u0636\u062e\u0627\u0645\u062a \u0628\u0631\u062f) \u0648 \u0635\u0641\u062d\u0647 x-y (\u062f\u0631 \u0637\u0648\u0644 \u0628\u0631\u062f) \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a. \u0628\u0631\u062f \u0628\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0645\u0627 \u062f\u0631 \u0645\u062d\u0648\u0631 z \u0628\u06cc\u0634\u062a\u0631 \u0645\u0646\u0628\u0633\u0637 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0648\u0642\u062a\u06cc \u0645\u0627\u062f\u0647 \u0632\u06cc\u0631 \u062f\u0645\u0627\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u0634\u06cc\u0634\u0647\u200c\u0627\u06cc Tg \u0628\u0627\u0634\u062f\u060c \u062f\u0631 \u062d\u0627\u0644\u062a \u0634\u06cc\u0634\u0647\u200c\u0627\u06cc \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u062f \u0648 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0622\u0646 \u06a9\u0645 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 CTE \u0631\u0627 a1 \u0645\u06cc\u200c\u0646\u0627\u0645\u06cc\u0645. \u0648\u0642\u062a\u06cc \u0645\u0627\u062f\u0647 \u0628\u0627\u0644\u0627\u06cc Tg \u0628\u0627\u0634\u062f\u060c \u062f\u0631 \u062d\u0627\u0644\u062a \u0644\u0627\u0633\u062a\u06cc\u06a9\u06cc \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u062f \u0648 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0622\u0646 \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0627\u0633\u062a. \u0645\u0627 \u0627\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0631\u0627 a2 \u0645\u06cc\u200c\u0646\u0627\u0645\u06cc\u0645. \u0645\u0639\u0645\u0648\u0644\u0627\u064b a2 \u062d\u062f\u0648\u062f \u0633\u0647 \u0628\u0631\u0627\u0628\u0631 a1 \u0627\u0633\u062a.<\/p>\n\n\n\n

\u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u0648\u0642\u062a\u06cc \u062f\u0645\u0627 \u0632\u06cc\u0631 Tg \u0628\u0627\u0634\u062f\u060c \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc (CTE) \u0627\u067e\u0648\u06a9\u0633\u06cc \u0627\u0644\u06cc\u0627\u0641 \u0634\u06cc\u0634\u0647\u200c\u0627\u06cc \u062f\u0631 \u062c\u0647\u0627\u062a x \u0648 y \u0646\u06cc\u0632 \u06cc\u06a9\u0633\u0627\u0646 \u0646\u06cc\u0633\u062a. \u0627\u06cc\u0646 \u0627\u062e\u062a\u0644\u0627\u0641 \u062d\u062f\u0648\u062f \u06f1 \u062a\u0627 \u06f5 ppm\/\u00b0C \u0627\u0633\u062a. \u062f\u0631 \u062c\u0647\u062a z \u062d\u062f\u0648\u062f \u06f2\u06f0 ppm\/\u00b0C \u0627\u0633\u062a. \u0648\u0642\u062a\u06cc \u06cc\u06a9 \u062f\u0633\u062a\u06af\u0627\u0647 \u0628\u0632\u0631\u06af \u0646\u0635\u0628 \u0633\u0637\u062d\u06cc (SMD) \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc\u200c\u0627\u0634 \u0628\u0627 \u0628\u0631\u062f \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0627\u06cc\u0646 \u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0647\u0645\u06cc\u062a \u0632\u06cc\u0627\u062f\u06cc \u062f\u0627\u0631\u062f. \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0628\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0639\u0645\u0631 \u0645\u062d\u0644 \u0644\u062d\u06cc\u0645 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n

\u062a\u0623\u062b\u06cc\u0631 CTE \u0628\u0631 PTH \u0648 \u0645\u06cc\u06a9\u0631\u0648\u0648\u06cc\u0627\u0647\u0627<\/h2>\n\n\n\n

CTE \u06cc\u06a9 \u0639\u0627\u0645\u0644 \u0645\u0647\u0645 \u0628\u0631\u0627\u06cc \u0633\u0648\u0631\u0627\u062e\u200c\u0647\u0627\u06cc \u0639\u0628\u0648\u0631\u06cc \u0646\u0635\u0628\u200c\u0634\u062f\u0647 PWA \u0648 \u0645\u06cc\u06a9\u0631\u0648\u0648\u06cc\u0627\u0647\u0627 \u0627\u0633\u062a. \u0646\u0633\u0628\u062a \u0627\u0628\u0639\u0627\u062f (\u06cc\u0639\u0646\u06cc \u0636\u062e\u0627\u0645\u062a \u0628\u0631\u062f \u062a\u0642\u0633\u06cc\u0645 \u0628\u0631 \u0642\u0637\u0631 \u0633\u0648\u0631\u0627\u062e) \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0648\u06cc\u0627\u0633 \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0627\u0632 \u0646\u0633\u0628\u062a \u0627\u0628\u0639\u0627\u062f \u06cc\u06a9 \u0633\u0648\u0631\u0627\u062e \u062a\u0627\u0632\u0647 \u0645\u062a\u0647 \u0634\u062f\u0647 \u062f\u0631 \u06cc\u06a9 \u0628\u0631\u062f \u062e\u0627\u0645 \u0627\u0633\u062a. \u062f\u0631 \u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0631\u06cc\u0641\u0644\u0648 SMT\u060c \u0628\u0631\u062f\u0627\u0634\u062a \u0642\u0637\u0639\u0647\u060c \u0631\u06cc\u0641\u0644\u0648 \u0628\u0631\u0627\u06cc \u062a\u0639\u0645\u06cc\u0631\u060c \u0633\u0627\u062e\u062a \u0628\u0631\u062f\u060c \u0646\u0635\u0628 \u062a\u0648\u067e\u06a9 (\u0628\u0648\u0644)\u060c \u062a\u0631\u0627\u0632\u0633\u0627\u0632\u06cc \u0628\u0627 \u0647\u0648\u0627\u06cc \u06af\u0631\u0645 \u0648 \u0644\u062d\u06cc\u0645\u200c\u06a9\u0627\u0631\u06cc \u0645\u0648\u062c\u06cc\u060c \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0632\u06cc\u0627\u062f \u062f\u0631 \u062c\u0647\u062a z \u0628\u0627\u0639\u062b \u0627\u06cc\u062c\u0627\u062f \u062a\u0646\u0634 \u06a9\u0634\u0634\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u062f\u0631 PTH \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0642\u0635 \u0634\u0648\u062f.<\/p>\n\n\n\n

\u067e\u0633 \u0648\u0642\u062a\u06cc \u0645\u0627\u062f\u0647\u0654 \u067e\u0627\u06cc\u0647\u0654 \u062a\u062e\u062a\u0647 \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f\u060c \u0627\u0628\u062a\u062f\u0627 \u0628\u0627\u06cc\u062f \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc (CTE) \u0622\u0646 \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0642\u0637\u0639\u0627\u062a\u06cc \u06a9\u0647 \u0642\u0631\u0627\u0631 \u0627\u0633\u062a \u0631\u0648\u06cc \u0622\u0646 \u0646\u0635\u0628 \u0634\u0648\u0646\u062f \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f \u06cc\u0627 \u062e\u06cc\u0631. \u0627\u06af\u0631 \u0645\u0637\u0627\u0628\u0642\u062a \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f\u060c \u0628\u0627\u06cc\u062f \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u062c\u0628\u0631\u0627\u0646\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n\n\n\n

\u062a\u0639\u0631\u06cc\u0641 \u0648 \u0627\u0647\u0645\u06cc\u062a \u067e\u0627\u06cc\u0647\u200c\u0627\u06cc CTE \u0628\u0631\u0627\u06cc \u0628\u0631\u062f\u0647\u0627\u06cc PCB<\/h2>\n\n\n\n

\u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0627\u0641\u0631\u0627\u062f \u0648\u0642\u062a\u06cc \u062f\u0631\u0628\u0627\u0631\u0647 PCB\u0647\u0627 \u0635\u062d\u0628\u062a \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0627\u0632 \u0648\u0627\u0698\u0647 CTE \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0627\u0645\u0627 \u0686\u0646\u062f \u0646\u0641\u0631 \u0648\u0627\u0642\u0639\u0627\u064b \u0645\u06cc\u200c\u062f\u0627\u0646\u0646\u062f CTE \u0628\u0647 \u0686\u0647 \u0645\u0639\u0646\u0627\u0633\u062a \u0648 \u0686\u06af\u0648\u0646\u0647 CTE \u0634\u0631\u0648\u0639 \u0628\u0647 \u062a\u0623\u062b\u06cc\u0631\u06af\u0630\u0627\u0631\u06cc \u0628\u0631 \u06cc\u06a9 \u0628\u0631\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f\u061f<\/p>\n\n\n\n

CTE \u0645\u062e\u0641\u0641 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0636\u0631\u06cc\u0628 \u062f\u0631\u0635\u062f \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0631 \u0627\u0646\u062f\u0627\u0632\u0647 \u0631\u0627 \u0647\u0646\u06af\u0627\u0645 \u06af\u0631\u0645 \u06cc\u0627 \u0633\u0631\u062f \u0634\u062f\u0646 \u06cc\u06a9 \u0628\u0631\u062f \u0645\u062f\u0627\u0631 \u0686\u0627\u067e\u06cc \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0647\u0631 \u0645\u0627\u062f\u0647\u200c\u0627\u06cc \u062f\u0631 \u062c\u0647\u0627\u0646 \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0645\u0627 \u06a9\u0645\u06cc \u0645\u0646\u0628\u0633\u0637 \u06cc\u0627 \u0645\u0646\u0642\u0628\u0636 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u06cc\u06a9 \u062e\u0627\u0646\u0647 \u062f\u0631 \u062a\u0627\u0628\u0633\u062a\u0627\u0646 \u06a9\u0645\u06cc \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0627\u0632 \u0632\u0645\u0633\u062a\u0627\u0646 \u0627\u0633\u062a.<\/p>\n\n\n\n

\u0628\u0631\u062e\u06cc \u0645\u0648\u0627\u062f \u0647\u0646\u06af\u0627\u0645 \u06af\u0631\u0645 \u0634\u062f\u0646 \u0645\u0646\u0642\u0628\u0636 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u0627\u0645\u0627 \u0628\u06cc\u0634\u062a\u0631 \u0645\u0648\u0627\u062f \u0647\u0646\u06af\u0627\u0645 \u06af\u0631\u0645 \u0634\u062f\u0646 \u06a9\u0645\u06cc \u0645\u0646\u0628\u0633\u0637 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0645\u06cc\u0632\u0627\u0646 \u0627\u0646\u0628\u0633\u0627\u0637 \u0628\u0631 \u062d\u0633\u0628 \u0628\u062e\u0634 \u062f\u0631 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u0628\u0647 \u0627\u0632\u0627\u06cc \u0647\u0631 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u200c\u06af\u0631\u0627\u062f (ppm\/\u00b0C) \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06af\u0631 \u06cc\u06a9 \u0628\u0631\u062f \u0645\u062f\u0627\u0631 \u0686\u0627\u067e\u06cc (PCB) \u0627\u0632 \u0646\u0638\u0631 \u062c\u0627\u0646\u0628\u06cc \u0628\u0627 \u0646\u0631\u062e \u06f1\u06f4 \u0628\u062e\u0634 \u062f\u0631 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u0628\u0647 \u0627\u0632\u0627\u06cc \u0647\u0631 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u200c\u06af\u0631\u0627\u062f \u0645\u0646\u0628\u0633\u0637 \u0634\u0648\u062f\u060c \u06cc\u0639\u0646\u06cc \u0627\u06af\u0631 \u0637\u0648\u0644 \u0622\u0646 \u06cc\u06a9 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u0627\u06cc\u0646\u0686 \u0628\u0627\u0634\u062f\u060c \u0628\u0627 \u0647\u0631 \u0627\u0641\u0632\u0627\u06cc\u0634 \u06f1 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u200c\u06af\u0631\u0627\u062f\u060c \u06f1\u06f4 \u0627\u06cc\u0646\u0686 \u0631\u0634\u062f \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f.<\/p>\n\n\n\n

\u0646\u0627\u0645\u0637\u0627\u0628\u0642\u062a CTE \u0628\u06cc\u0646 \u0628\u0631\u062f \u0645\u062f\u0627\u0631 \u0686\u0627\u067e\u06cc \u0648 \u062a\u0631\u0627\u0634\u0647\u200c\u0647\u0627\u06cc \u0633\u06cc\u0644\u06cc\u06a9\u0648\u0646\u06cc<\/h2>\n\n\n\n

\u06cc\u06a9 \u0644\u0627\u06cc\u0645\u06cc\u062a FR4 \u0645\u0639\u0645\u0648\u0644\u06cc \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc (CTE) \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 \u06f1\u06f4 \u062a\u0627 \u06f1\u06f7 \u0642\u0633\u0645\u062a \u062f\u0631 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u062f\u0631 \u0647\u0631 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u200c\u06af\u0631\u0627\u062f \u062f\u0627\u0631\u062f. \u0627\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0622\u0646 \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u062a\u0631\u0627\u0634\u0647 \u0628\u0632\u0631\u06af \u0633\u06cc\u0644\u06cc\u06a9\u0648\u0646\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u0646\u06a9\u0646\u06cc\u0645\u060c \u0645\u0646\u0627\u0633\u0628 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc\u200c\u0631\u0633\u062f. \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u062a\u0631\u0627\u0634\u0647\u200c\u0647\u0627\u06cc \u0633\u06cc\u0644\u06cc\u06a9\u0648\u0646\u06cc \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0646\u0632\u062f\u06cc\u06a9 \u0628\u0647 \u06f6 \u0642\u0633\u0645\u062a \u062f\u0631 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u062f\u0631 \u0647\u0631 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u200c\u06af\u0631\u0627\u062f \u062f\u0627\u0631\u0646\u062f. \u062a\u0641\u0627\u0648\u062a \u062f\u0631 \u0627\u0646\u0628\u0633\u0627\u0637 \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u0627\u06cc \u0632\u06cc\u0627\u062f \u0627\u0633\u062a\u2014\u0628\u0647\u200c\u0648\u06cc\u0698\u0647 \u0628\u0631\u0627\u06cc \u0628\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u0628\u0632\u0631\u06af BGA\u2014\u06a9\u0647 \u0648\u0642\u062a\u06cc PCB \u0648 \u062a\u0631\u0627\u0634\u0647 \u06af\u0631\u0645 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c PCB \u0628\u06cc\u0634\u062a\u0631 \u0627\u0632 \u062a\u0631\u0627\u0634\u0647 \u0645\u0646\u0628\u0633\u0637 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u062d\u0631\u06a9\u062a \u0627\u0636\u0627\u0641\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0639\u062b \u062c\u062f\u0627 \u0634\u062f\u0646 \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0644\u062d\u06cc\u0645 \u0627\u0632 \u0631\u0648\u06cc \u062a\u0631\u0627\u0634\u0647 \u0634\u0648\u062f.<\/p>\n\n\n\n

\u0627\u0632 \u062f\u06cc\u062f\u06af\u0627\u0647 \u0628\u0631\u062f \u0645\u062f\u0627\u0631 \u0686\u0627\u067e\u06cc\u060c \u0633\u0627\u0632\u0646\u062f\u06af\u0627\u0646 \u0627\u063a\u0644\u0628 \u0627\u0632 \u0645\u0648\u0627\u062f \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0627\u0645\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0686\u06af\u0648\u0646\u0647 \u0628\u0631 \u0628\u0631\u062f \u0648 \u0646\u062d\u0648\u0647 \u0637\u0631\u0627\u062d\u06cc \u0648 \u0633\u0627\u062e\u062a \u0622\u0646 \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u062f\u061f<\/p>\n\n\n\n

\u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u0639\u0645\u0648\u0644 CTE \u0628\u0631\u0627\u06cc \u0645\u0648\u0627\u062f \u0648 \u0642\u0637\u0639\u0627\u062a PCB<\/h3>\n\n\n\n
\u0645\u0648\u0627\u062f \/ \u0645\u0624\u0644\u0641\u0647<\/th>CTE (\u062c\u0647\u062a X-Y) ppm\/\u00b0C<\/th>CTE (\u062c\u0647\u062a Z) ppm\/\u00b0C<\/th>\u06cc\u0627\u062f\u062f\u0627\u0634\u062a\u200c\u0647\u0627<\/th><\/tr><\/thead>
\u0644\u0627\u0645\u06cc\u0646\u062a \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f FR-4<\/td>\u06f1\u06f4 \u2013 \u06f1\u06f7<\/td>\u06f6\u06f0 \u2013 \u06f7\u06f0 (\u062f\u0631 \u0628\u0627\u0644\u0627\u06cc Tg \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f >\u06f2\u06f0\u06f0 \u0628\u0627\u0634\u062f)<\/td>\u0631\u0627\u06cc\u062c\u200c\u062a\u0631\u06cc\u0646 \u0645\u0627\u062f\u0647 \u0628\u0631\u062f \u0645\u062f\u0627\u0631 \u0686\u0627\u067e\u06cc<\/td><\/tr>
FR-4 \u0628\u0627 Tg \u0628\u0627\u0644\u0627<\/td>\u06f1\u06f2 \u2013 \u06f1\u06f6<\/td>\u067e\u0646\u062c\u0627\u0647 \u2013 \u0634\u0635\u062a<\/td>\u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u062d\u0631\u0627\u0631\u062a\u06cc \u0628\u0647\u062a\u0631<\/td><\/tr>
\u0645\u0648\u0627\u062f PCB \u067e\u0644\u06cc\u200c\u0627\u0645\u06cc\u062f<\/td>\u06f1\u06f2 \u2013 \u06f1\u06f4<\/td>\u0686\u0647\u0644 \u2013 \u067e\u0646\u062c\u0627\u0647<\/td>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u062f\u0645\u0627\u06cc\u06cc \u0628\u0627\u0644\u0627<\/td><\/tr>
\u0645\u0633<\/td>\u06f1\u06f6.\u06f5 \u2013 \u06f1\u06f7<\/td>\u06f1\u06f6.\u06f5 \u2013 \u06f1\u06f7<\/td>\u0645\u0627\u062f\u0647\u0654 \u0631\u0633\u0627\u0646\u0627\u06cc \u0645\u0631\u062c\u0639<\/td><\/tr>
\u0686\u06cc\u067e \u0633\u06cc\u0644\u06cc\u06a9\u0648\u0646\u06cc<\/td>\u06f2.\u06f6 \u2013 \u06f3 (\u0633\u06cc\u0644\u06cc\u06a9\u0648\u0646 \u0639\u0645\u062f\u0647)<\/td>\u2014<\/td>\u0628\u0633\u062a\u0647: \u062a\u0642\u0631\u06cc\u0628\u0627\u064b \u06f6 \u0642\u0633\u0645\u062a \u062f\u0631 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u0628\u0647 \u0627\u0632\u0627\u06cc \u0647\u0631 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u200c\u06af\u0631\u0627\u062f<\/td><\/tr>
\u067e\u06a9\u06cc\u062c BGA (\u0645\u0639\u0645\u0648\u0644\u06cc)<\/td>\u0634\u0634 \u062a\u0627 \u062f\u0647<\/td>\u2014<\/td>\u0628\u0633\u062a\u0647 \u0628\u0647 \u0646\u0648\u0639 \u0628\u0633\u062a\u0631 \u0627\u0633\u062a<\/td><\/tr>
\u0628\u0633\u062a\u0647 \u0633\u0631\u0627\u0645\u06cc\u06a9\u06cc<\/td>\u0634\u0634 \u2013 \u0647\u0634\u062a<\/td>\u2014<\/td>\u0645\u0637\u0627\u0628\u0642\u062a \u062e\u0648\u0628 CTE \u0628\u0627 \u0633\u06cc\u0644\u06cc\u06a9\u0648\u0646<\/td><\/tr>
\u0622\u0644\u0648\u0645\u06cc\u0646\u06cc\u0648\u0645<\/td>\u06f2\u06f2 \u2013 \u06f2\u06f4<\/td>\u06f2\u06f2 \u2013 \u06f2\u06f4<\/td>\u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 PCB \u0628\u0627 \u0647\u0633\u062a\u0647 \u0641\u0644\u0632\u06cc<\/td><\/tr>
\u0647\u0633\u062a\u0647 \u0645\u0633\u06cc-\u0627\u06cc\u0646\u0648\u0627\u0631-\u0645\u0633 (CIC)<\/td>\u0647\u0634\u062a \u2013 \u062f\u0647<\/td>\u0647\u0634\u062a \u2013 \u062f\u0647<\/td>\u0647\u0633\u062a\u0647 \u0641\u0644\u0632\u06cc \u0628\u0627 CTE \u067e\u0627\u06cc\u06cc\u0646<\/td><\/tr>
\u0647\u0633\u062a\u0647 \u0645\u0633-\u0645\u0648\u0644\u06cc\u0628\u062f\u0646-\u0645\u0633 (CMC)<\/td>\u0634\u0634 \u2013 \u0647\u0634\u062a<\/td>\u0634\u0634 \u2013 \u0647\u0634\u062a<\/td>\u0647\u0633\u062a\u0647 \u0641\u0644\u0632\u06cc \u0628\u0627 CTE \u0628\u0633\u06cc\u0627\u0631 \u067e\u0627\u06cc\u06cc\u0646<\/td><\/tr>
\u0647\u0633\u062a\u0647 \u0622\u0631\u0627\u0645\u06cc\u0644 \/ \u06a9\u0648\u0644\u0627\u0631<\/td>\u0647\u0641\u062a \u2013 \u0647\u0634\u062a<\/td>\u0647\u0641\u062a \u2013 \u0647\u0634\u062a<\/td>\u0645\u0627\u062f\u0647 \u0645\u0631\u06a9\u0628 \u06a9\u0645\u200c\u0647\u0632\u06cc\u0646\u0647 \u062a\u0648\u0644\u06cc\u062f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0631\u0627\u0647\u06a9\u0627\u0631\u0647\u0627\u06cc \u0647\u0633\u062a\u0647 PCB \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646<\/h2>\n\n\n\n

\u0648\u0642\u062a\u06cc \u06cc\u06a9 \u0644\u0627\u0645\u06cc\u0646\u06cc\u062a \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u060c \u0628\u0647 \u0645\u0634\u062e\u0635\u0627\u062a\u06cc \u0645\u0627\u0646\u0646\u062f Tg\u060c \u0636\u0631\u06cc\u0628 \u062f\u06cc\u200c\u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9 Dk \u0648 \u0636\u0631\u06cc\u0628 \u0627\u062a\u0644\u0627\u0641 Df \u0648 \u063a\u06cc\u0631\u0647 \u0646\u06af\u0627\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0647\u0645\u0647 \u0627\u06cc\u0646\u200c\u0647\u0627 \u0645\u0647\u0645 \u0647\u0633\u062a\u0646\u062f \u0648 \u0628\u0631 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u0646\u062f. \u0627\u06af\u0631 \u0644\u0627\u0645\u06cc\u0646\u06cc\u062a\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc (CTE) \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u0645\u060c \u0645\u062a\u0648\u062c\u0647 \u0645\u06cc\u200c\u0634\u0648\u06cc\u0645 \u06a9\u0647 \u0647\u0645\u0647 \u0627\u0646\u0648\u0627\u0639 FR4 \u062f\u0627\u0631\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 CTE \u0645\u0634\u0627\u0628\u0647\u06cc \u0647\u0633\u062a\u0646\u062f. \u0627\u06a9\u062b\u0631 \u0622\u0646\u200c\u0647\u0627 \u0647\u0646\u0648\u0632 \u0628\u0627\u0644\u0627 \u0647\u0633\u062a\u0646\u062f (\u062d\u062f\u0648\u062f \u06f1\u06f4 \u0642\u0633\u0645\u062a \u062f\u0631 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u062f\u0631 \u0647\u0631 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u200c\u06af\u0631\u0627\u062f). \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc\u200c\u0647\u0627\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0628\u0632\u0631\u06af \u0633\u06cc\u0644\u06cc\u06a9\u0648\u0646 \u0628\u0627\u06cc\u062f \u0631\u0648\u06cc\u06a9\u0631\u062f \u062f\u06cc\u06af\u0631\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0627\u062a\u062e\u0627\u0630 \u06a9\u0646\u06cc\u0645. \u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u0647\u200c\u0647\u0627 \u0627\u0641\u0632\u0648\u062f\u0646 \u0647\u0633\u062a\u0647\u200c\u0627\u06cc \u0627\u0632 \u0641\u0644\u0632\u060c \u06a9\u0648\u0644\u0627\u0631 \u06cc\u0627 \u0622\u0631\u0627\u0645\u06cc\u0644 \u0627\u0633\u062a.<\/p>\n\n\n\n

\u0627\u06cc\u0646 \u0647\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u0627\u063a\u0644\u0628 \u0632\u06cc\u0631 \u0644\u0627\u06cc\u0647\u200c\u0647\u0627\u06cc \u0628\u06cc\u0631\u0648\u0646\u06cc FR4 \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a \u0628\u0631\u062f\u0647\u0627\u06cc \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0647\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u0641\u0644\u0632\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0627\u0632 \u0646\u0648\u0639 \u0645\u0633-\u0627\u06cc\u0646\u0648\u0627\u0631-\u0645\u0633 (CIC) \u06cc\u0627 \u0645\u0633-\u0645\u0648\u0644\u06cc\u0628\u062f\u0646-\u0645\u0633 (CMC) \u0628\u0627\u0634\u0646\u062f. \u0636\u062e\u0627\u0645\u062a \u0622\u0646\u200c\u0647\u0627 \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u062d\u062f\u0648\u062f \u06f6 \u0645\u06cc\u0644 \u0627\u0633\u062a. \u0648\u062c\u0648\u062f \u0645\u0633 \u0631\u0648\u06cc \u0633\u0637\u062d \u0628\u06cc\u0631\u0648\u0646\u06cc \u0647\u0633\u062a\u0647\u200c\u06cc \u0641\u0644\u0632\u06cc \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u067e\u0631\u06cc\u067e\u0631\u06af\u200c\u0647\u0627\u06cc FR4 \u0645\u0639\u0645\u0648\u0644\u06cc \u0648 \u0647\u0633\u062a\u0647\u200c\u0647\u0627 \u0631\u0627 \u0631\u0648\u06cc \u0641\u0644\u0632 \u0644\u0645\u06cc\u0646\u062a \u06a9\u0646\u06cc\u0645.<\/p>\n\n\n\n

\u062f\u0648 \u0647\u0633\u062a\u0647 \u0641\u0644\u0632\u06cc \u0631\u0627\u06cc\u062c CIC \u0648 CMC \u0647\u0633\u062a\u0646\u062f. \u0645\u0642\u0627\u062f\u06cc\u0631 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0647\u0633\u062a\u0647 \u0622\u0646\u200c\u0647\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062d\u062f\u0648\u062f \u06f8 ppm\/\u00b0C \u0648 \u06f6 ppm\/\u00b0C \u0627\u0633\u062a. \u0648\u0642\u062a\u06cc \u0644\u0627\u06cc\u0647\u200c\u0647\u0627\u06cc \u0628\u06cc\u0631\u0648\u0646\u06cc FR4 \u0631\u0627 \u0628\u0647 \u0647\u0633\u062a\u0647 \u0641\u0644\u0632\u06cc \u0645\u062a\u0635\u0644 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f\u060c \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u06a9\u0644\u06cc \u0628\u0631\u062f \u0628\u0631\u0627\u06cc CIC \u062d\u062f\u0648\u062f \u06f1\u06f2 ppm\/\u00b0C \u0648 \u0628\u0631\u0627\u06cc CMC \u062d\u062f\u0648\u062f \u06f9 ppm\/\u00b0C \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n

\u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 Kevlar Thermount \u06cc\u0627 \u06cc\u06a9 \u0644\u0627\u0645\u06cc\u0646\u06cc\u062a \u0622\u0631\u0627\u0645\u06cc\u0644 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0647\u0633\u062a\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645. \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc (CTE) \u067e\u0627\u06cc\u06cc\u0646 \u0647\u0633\u062a\u0647 \u0622\u0646\u0647\u0627 \u062d\u062f\u0648\u062f \u06f7 \u062a\u0627 \u06f8 ppm\/\u00b0C \u0627\u0633\u062a. \u0628\u0627 \u0644\u0627\u06cc\u0647\u200c\u0647\u0627\u06cc \u0628\u06cc\u0631\u0648\u0646\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f FR4\u060c \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u06a9\u0644 \u0628\u0631\u062f \u0628\u0647 \u062d\u062f\u0648\u062f \u06f1\u06f2 ppm\/\u00b0C \u0645\u06cc\u200c\u0631\u0633\u062f. \u062f\u0631 \u062a\u0648\u0644\u06cc\u062f \u0686\u0646\u062f\u0644\u0627\u06cc\u0647\u060c \u0647\u0633\u062a\u0647\u200c\u0627\u06cc \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0647\u0633\u062a\u0647\u0654 \u0645\u0639\u0645\u0648\u0644\u06cc FR4 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062c\u0627\u0644\u0628 \u0627\u0633\u062a \u06a9\u0647 \u0641\u06cc\u0628\u0631 \u06a9\u0648\u0644\u0627\u0631 \u062e\u0648\u062f \u062f\u0627\u0631\u0627\u06cc \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0645\u0646\u0641\u06cc \u0627\u0633\u062a. \u0648\u0642\u062a\u06cc \u0627\u0644\u06cc\u0627\u0641 \u0631\u0627 \u0628\u0627 \u0627\u067e\u0648\u06a9\u0633\u06cc \u0645\u06cc\u200c\u0628\u0646\u062f\u06cc\u0645\u060c \u0646\u062a\u06cc\u062c\u0647 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u0645\u062b\u0628\u062a \u0648 \u06a9\u0645\u06cc \u0627\u0633\u062a.<\/p>\n\n\n\n

\u0647\u0632\u06cc\u0646\u0647\u060c \u0641\u0631\u0622\u06cc\u0646\u062f \u0648 \u0645\u0632\u0627\u06cc\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u0647\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646<\/h2>\n\n\n\n

\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0644\u0645\u06cc\u0646\u062a \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646\u060c \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u06af\u0631\u0627\u0646\u200c\u062a\u0631\u06cc\u0646 \u06af\u0632\u06cc\u0646\u0647 \u0647\u0633\u062a\u0647 \u0641\u0644\u0632\u06cc \u0627\u0633\u062a. \u0644\u0645\u06cc\u0646\u062a\u200c\u0647\u0627\u06cc \u06a9\u0648\u0644\u0627\u0631 \u0648 \u0622\u0631\u0627\u0645\u06cc\u0644 \u0647\u0632\u06cc\u0646\u0647 \u06a9\u0645\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f. \u062f\u0631 \u06af\u0630\u0634\u062a\u0647 \u062a\u0647\u06cc\u0647 Arlon Kevlar Thermount \u062f\u0634\u0648\u0627\u0631 \u0628\u0648\u062f\u060c \u0627\u0645\u0627 \u062a\u0648\u0644\u06cc\u062f \u062c\u062f\u06cc\u062f \u0627\u06a9\u0646\u0648\u0646 \u0639\u0631\u0636\u0647 \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a. \u062a\u0645\u0627\u0645 \u0647\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u0633\u062e\u062a\u200c\u062a\u0631 \u0633\u0648\u0631\u0627\u062e\u200c\u06a9\u0627\u0631\u06cc \u0648 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0627\u0645\u0627 \u0622\u0646\u200c\u0647\u0627 \u062a\u0646\u0647\u0627 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0646\u06cc\u0627\u0632 \u06f6\u2013\u06f9 \u067e\u06cc\u200c\u067e\u06cc\u200c\u0627\u0645 \u0628\u0631 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u200c\u06af\u0631\u0627\u062f \u062f\u0631 \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc\u200c\u0647\u0627\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0628\u0632\u0631\u06af \u0633\u06cc\u0644\u06cc\u06a9\u0648\u0646 \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n

\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u06a9\u0646\u062a\u0631\u0644 CTE\u060c \u0628\u0631\u062f\u0647\u0627\u06cc PCB \u0628\u0627 \u0647\u0633\u062a\u0647 \u0641\u0644\u0632\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0631\u0627\u0631\u062a \u062f\u0631 \u062a\u0648\u0627\u0646\u200c\u0647\u0627\u06cc \u0628\u0627\u0644\u0627 \u0631\u0627 \u0646\u06cc\u0632 \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u0646\u062f. \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0641\u0644\u0632 \u0647\u0646\u06af\u0627\u0645 \u06af\u0631\u0645 \u0634\u062f\u0646 \u0628\u06cc\u0634\u062a\u0631 \u0627\u0632 FR4 \u0645\u0646\u0628\u0633\u0637 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0647\u0633\u062a\u0647 \u0641\u0644\u0632\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0628\u0631 \u0627\u0646\u0628\u0633\u0627\u0637 \u0628\u0631\u062f \u0646\u0633\u0628\u062a \u0628\u0647 \u06a9\u0648\u0644\u0627\u0631 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0647\u0633\u062a\u0647 \u0641\u0644\u0632\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0646\u0628\u0633\u0627\u0637 \u06a9\u0644 \u0628\u0631\u062f \u0631\u0627 \u0628\u06cc\u0634 \u0627\u0632 \u06a9\u0648\u0644\u0627\u0631 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u062f.<\/p>\n\n\n\n

\u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0639\u0645\u0644\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u062e\u0637\u0631 \u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 CTE<\/h2>\n\n\n\n

\u062f\u0631 \u0639\u0645\u0644\u060c \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u062e\u0637\u0631 \u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631\u06cc CTE \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u06cc\u0646 \u06a9\u0627\u0631\u0647\u0627\u06cc \u067e\u0627\u06cc\u0647\u200c\u0627\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f:<\/p>\n\n\n\n

\u0647\u0631\u06af\u0627\u0647 \u0627\u0645\u06a9\u0627\u0646 \u062f\u0627\u0631\u062f\u060c \u0633\u0639\u06cc \u06a9\u0646\u06cc\u062f \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0628\u0631\u062f \u0631\u0627 \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0628\u0632\u0631\u06af \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0647\u06cc\u062f.<\/p>\n\n\n\n

\u0628\u0631\u0627\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc\u200c\u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0627\u0632 \u0647\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u0645\u0627\u0646\u0646\u062f CIC\u060c CMC\u060c \u06a9\u0648\u0644\u0627\u0631 \u06cc\u0627 \u0622\u0631\u0627\u0645\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n

\u062f\u0645\u0627\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u0634\u06cc\u0634\u0647\u200c\u0627\u06cc (Tg) \u0631\u0627 \u0632\u06cc\u0631 \u0646\u0638\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u0648 \u0627\u0632 \u0645\u0648\u0627\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0645\u0627\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u0634\u06cc\u0634\u0647\u200c\u0627\u06cc \u0622\u0646\u200c\u0647\u0627 \u0628\u0627\u0644\u0627\u062a\u0631 \u0627\u0632 \u0628\u0627\u0644\u0627\u062a\u0631\u06cc\u0646 \u062f\u0645\u0627\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f \u0634\u0645\u0627 \u0628\u0627\u0634\u062f.<\/p>\n\n\n\n

\u0628\u0631\u0627\u06cc \u0642\u0637\u0639\u0627\u062a SMT\u060c \u067e\u062f\u0647\u0627 \u0648 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0632\u0645\u06cc\u0646 \u0631\u0627 \u0637\u0648\u0631\u06cc \u0637\u0631\u0627\u062d\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062a\u0646\u0634 \u0631\u0648\u06cc \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0644\u062d\u06cc\u0645 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u062f.<\/p>\n\n\n\n

\u062f\u0631 \u0633\u0627\u062e\u062a\u060c \u062f\u0645\u0627\u06cc \u0627\u0648\u062c \u0631\u06cc\u0641\u0644\u0648 \u0648 \u0646\u0631\u062e\u200c\u0647\u0627\u06cc \u062e\u0646\u06a9\u200c\u0633\u0627\u0632\u06cc \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n

\u0628\u0631\u0627\u06cc \u0642\u0637\u0639\u0627\u062a \u0628\u0627 \u0633\u0648\u0631\u0627\u062e\u200c\u0647\u0627\u06cc \u0639\u0628\u0648\u0631\u06cc\u060c \u0627\u0632 \u067e\u0627\u06cc\u0647\u200c\u0647\u0627\u06cc\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u062a\u0648\u0627\u0646\u0646\u062f \u062e\u0645 \u0634\u0648\u0646\u062f \u062a\u0627 \u062a\u0646\u0634 \u0631\u0627 \u062c\u0630\u0628 \u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n

\u0628\u062f\u0627\u0646\u06cc\u062f \u06a9\u0647 \u0647\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0627\u0646\u0628\u0633\u0627\u0637 \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646\u200c\u062a\u0631 \u0647\u0632\u06cc\u0646\u0647 \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f \u0648 \u0628\u0647 \u0627\u0628\u0632\u0627\u0631\u0647\u0627 \u0648 \u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627\u06cc \u062d\u0641\u0627\u0631\u06cc \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u0646\u062f.<\/p>\n\n\n\n

\u062e\u0644\u0627\u0635\u0647\u200c\u0627\u06cc \u0627\u0632 \u0627\u0647\u0645\u06cc\u062a \u0622\u0645\u0648\u0632\u0634 \u062d\u0631\u0641\u0647\u200c\u0627\u06cc \u0648 \u0641\u0646\u06cc<\/h2>\n\n\n\n

CTE \u06cc\u06a9 \u0639\u062f\u062f \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u0631 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0627\u0632 \u06cc\u06a9 \u067e\u0631\u0648\u0698\u0647 PCB \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u062f. \u0627\u06af\u0631 \u0627\u0632 \u0627\u0628\u062a\u062f\u0627 \u0628\u0647 \u0622\u0646 \u0641\u06a9\u0631 \u0646\u06a9\u0646\u06cc\u062f\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0634\u0627\u0647\u062f \u062e\u0631\u0627\u0628\u06cc \u0645\u062d\u0644 \u0644\u062d\u06cc\u0645\u200c\u06a9\u0627\u0631\u06cc\u060c \u062a\u0631\u06a9\u200c\u062e\u0648\u0631\u062f\u06af\u06cc \u0642\u0637\u0639\u0627\u062a \u0648 \u06a9\u0627\u0647\u0634 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0628\u0627\u0634\u06cc\u062f. \u0627\u06af\u0631 \u0627\u0632 \u0627\u0628\u062a\u062f\u0627 \u0628\u0631\u0627\u06cc CTE \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0631\u06cc\u0632\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0639\u0645\u0631 \u0645\u0641\u06cc\u062f \u0628\u0631\u062f \u0648 \u0642\u0637\u0639\u0627\u062a\u062a\u0627\u0646 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062e\u0648\u0627\u0647\u062f \u06cc\u0627\u0641\u062a.<\/p>","protected":false},"excerpt":{"rendered":"

Material coefficient of thermal expansion (CTE) is one physical property of a material. When temperature changes, the part will change 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