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22. 5SµÄ¾ßÌåÄÚÈÝΪÕûÀí¡¢Õû¶Ù¡¢Çåɨ¡¢Çå½à¡¢ËØÑø¡£ 

23. PCBÕæ¿Õ°ü×°µÄÄ¿µÄÊÇ·À³¾¼°·À³±¡£ 

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27. Îý¸àµÄ³É·Ý°üº¬£º½ðÊô·ÛÄ©¡¢Èܼá¢Öúº¸¼Á¡¢¿¹´¹Á÷¼Á¡¢»îÐÔ¼Á£»°´ÖØÁ¿·Ö£¬½ðÊô·Ûĩռ85-92%£¬°´Ìå»ý·Ö½ðÊô·Ûĩռ50%£»ÆäÖнðÊô·ÛÄ©Ö÷Òª³É·ÝΪÎýºÍǦ, ±ÈÀýΪ63/37£¬ÈÛµãΪ183¡æ¡£ 

28. Îý¸àʹÓÃʱ±ØÐë´Ó±ùÏäÖÐÈ¡³ö»ØÎÂ, Ä¿µÄÊÇ£ºÈÃÀ䲨µÄÎý¸àζȻظ´³£Î£¬ÒÔÀûÓ¡Ë¢¡£Èç¹û²»»ØÎÂÔòÔÚPCBA½øReflowºóÒײúÉúµÄ²»Á¼ÎªÎýÖé¡£ 

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38. Sn62Pb36Ag2Ö®º¸Îý¸àÖ÷ÒªÊÔÓÃÓÚÌմɰå; 

39. ÒÔËÉÏãΪÖ÷µÄÖúº¸¼Á¿É·ÖËÄÖÖ: R¡¢RA¡¢RSA¡¢RMA; 

40. RSSÇúÏßΪÉýÎÂ→ºãÎÂ→»ØÁ÷→ÀäÈ´ÇúÏß; 

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49. SMTÒ»°ã¸Ö°å¿ª¿×Òª±ÈPCB PADС4um¿ÉÒÔ·ÀÖ¹ÎýÇò²»Á¼Ö®ÏÖÏó; 

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54. ĿǰSMT×ʹÓõĺ¸Îý¸àSnºÍPbµÄº¬Á¿¸÷Ϊ: 63Sn+37Pb; 

55. ³£¼ûµÄ´ø¿íΪ8mmµÄÖ½´øÁÏÅÌËÍÁϼä¾àΪ4mm; 

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58. 100NF×é¼þµÄÈÝÖµÓë0.10ufÏàͬ; 

59. 63Sn+37PbÖ®¹²¾§µãΪ183¡æ; 

60. SMTʹÓÃÁ¿×î´óµÄµç×ÓÁã¼þ²ÄÖÊÊÇÌÕ´É; 

61. »Øº¸Â¯Î¶ÈÇúÏ߯äÇúÏß×î¸ßζÈ215C×îÊÊÒË; 

62. Îý¯¼ìÑéʱ£¬Îý¯µÄζÈ245¡æ½ÏºÏÊÊ; 

63. ¸Ö°åµÄ¿ª¿×ÐÍʽ·½ÐΡ¢Èý½ÇÐΡ¢Ô²ÐÎ,ÐÇÐÎ,±¾ÀÚÐÎ; 

64. SMT¶ÎÅÅ×èÓÐÎÞ·½ÏòÐÔÎÞ; 

65. ĿǰÊÐÃæÉÏÊÛÖ®Îý¸à£¬Êµ¼ÊÖ»ÓÐ4СʱµÄÕ³ÐÔʱ¼ä; 

66. SMTÉ豸һ°ãʹÓÃÖ®¶î¶¨ÆøÑ¹Îª5KG/cm2; 

67. SMTÁã¼þάÐ޵Ť¾ßÓУºÀÓÌú¡¢ÈÈ·ç°ÎÈ¡Æ÷¡¢ÎüÎýǹ¡¢Ä÷×Ó; 

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72. SMT³£¼ûÖ®¼ìÑé·½·¨: Ä¿ÊÓ¼ìÑé¡¢X¹â¼ìÑé¡¢»úÆ÷ÊÓ¾õ¼ìÑé 

73. ¸õÌúÐÞÀíÁã¼þÈÈ´«µ¼·½Ê½Îª´«µ¼+¶ÔÁ÷; 

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85. SMTÁã¼þ¹©ÁÏ·½Ê½ÓÐÕñ¶¯Ê½¹©ÁÏÆ÷¡¢ÅÌ×´¹©ÁÏÆ÷¡¢¾í´øÊ½¹©ÁÏÆ÷; 

86. SMTÉ豸ÔËÓÃÄÄЩ»ú¹¹: ͹ÂÖ»ú¹¹¡¢±ß¸Ë»ú¹¹¡¢Âݸ˻ú¹¹¡¢»¬¶¯»ú¹¹; 

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90. SMTÁã¼þÑùÆ·ÊÔ×÷¿É²ÉÓõķ½·¨£ºÁ÷ÏßʽÉú²ú¡¢ÊÖÓ¡»úÆ÷Ìù×°¡¢ÊÖÓ¡ÊÖÌù×°; 

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92. SMT¶ÎÒòReflow ProfileÉèÖò»µ±, ¿ÉÄÜÔì³ÉÁã¼þ΢ÁѵÄÊÇÔ¤ÈÈÇø¡¢ÀäÈ´Çø; 

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