Ê®´óµç×ÓÓÎϷƽ̨ÍøÕ¾

Ê®´óµç×ÓÓÎϷƽ̨ÍøÕ¾(µç×Ó)ÓÐÏÞ¹«Ë¾
ÐÂÎÅÖÐÐÄ

ÎÞǦµç×Óʱ´úµÄ¡°ÒþÐÎɱÊÖ¡±---ÎýÐë

Ðû²¼Õߣºadmin Ðû²¼Ê±¼ä£º2019-01-06

Ê®´óµç×ÓÓÎϷƽ̨ÍøÕ¾(µç×Ó)ÓÐÏÞ¹«Ë¾

Ê®´óµç×ÓÓÎϷƽ̨ÍøÕ¾

Åä¾°Background

ÔÚÎÞǦµç×Óʱ´ú £¬¶ÆÎý¹¤ÒÕÔÚÉÌÒµ»¯ºÍ¸ß¿É¿¿ÐԵĵç×ÓÆ÷¼þÉÏÊǺܳ£¼ûµÄ¡£Îý¶Æ²ã²»µ«¾ßÓÐÓÅÁ¼µÄ¿Éº¸ÐԺ͵¼µçÐÔ £¬²¢ÇÒ»¹¾ßÓÐÁ¼ºÃµÄ¿¹Ñõ»¯ÐÔ¼°Ä͸¯»¯ÐÔ £¬Í¬Ê±»¹¾ßÓÐÒ»¶¨µÄÃÀ¹ÛÐÔ¡£²»ÐÒµÄÊÇ £¬µç¶Æ´¿Îý»áÉú³¤µ¥¾§½á¹¹µÄ¾§Ðë £¬Õâ³ÉΪµç×ÓÆ÷¼þ²»ÆÚʧЧ×ï¿ý×ï¿ý¡£

±í1 ÎýÐëÎÊÌâ¶øÔì³ÉµÄʹÊ

Ó¦ÓÃ

ʹÊÔ­Òò

Ò½ÁÆʹÊ

ÐÄÔàÆð²«Æ÷

½ô¼±ÕٻأºÎýÐë¶Ì·Ôì³ÉÆð²«Æ÷ÎÞ·¨ÊÂÇé

¾üÊÂʹÊ

F-15À×´ï

¶Æ´¿ÎýµÄ»ìÏýÐÍ΢ѭ»·µç·¸Ç×ÓÉú³¤ÎýÐë

ÃÀ¹ú¹ú¼Òµ¼µ¯ÏîÄ¿

¼ÌµçÆ÷Éú³¤ÎýÐë

Phoenix ¿Õ¶Ô¿Õµ¼µ¯

»ìÏýÐÍ΢ѭ»·µç·ÄÚ²¿Éú³¤ÎýÐë

¿Õ¼äʹÊ

GALAXY ¢ô

Íêȫʧ¿Ø£º¼ÌµçÆ÷Éú³¤ÎýÐë

GALAXY ¢÷

Íêȫʧ¿Ø£º¼ÌµçÆ÷Éú³¤ÎýÐë

SOLIDARDAD ¢ñ

Íêȫʧ¿Ø£º¼ÌµçÆ÷Éú³¤ÎýÐë

 

¾¡¹ÜÎýÐëÎÊÌâÔÚÉÏÊÀ¼ÍËÄÊ®Äê´úÖÐÆÚÒѾ­±»Ìá³ö £¬²¢ÓÐÐí¶àʹʹéÒòÓÚÎýÐë £¬¿ÉÊǶÆÎý¹¤ÒÕÔÚÉÌÒµºÍ¹ú·ÀÆ÷¼þÉÏÈÔºÜÆձ顣¼ÈÈ»ÕâÊÇÒ»¸ö¶ã²»¿ªµÄÎÊÌâ £¬ÎÒÃǾÍÐèÒª¸üºÃµÄÈÏʶ---ÎýÐë¡£

Ê®´óµç×ÓÓÎϷƽ̨ÍøÕ¾(µç×Ó)ÓÐÏÞ¹«Ë¾

ͼ1 ¶Æ´¿Îýµç×ÓÆÚ¼äÉú³¤ÎýÐëͼƬ

ÎýÐë Tin Whisker

ÔÚÒýÈëÎýÐë¿´·¨Ö®Ç° £¬ÎÒÃÇÏÈÁ˽⾧ÐëµÄһЩ»ù´¡ÖªÊ¶¡£¾§ÐëÊÇÒ»ÖÖÍ··¢×´µÄ¾§Ìå £¬ËüÄÜ´Ó¹ÌÌåÍâò×ÔÈ»µÄÉú³¤³öÀ´ £¬Ò²³ÆΪ“¹ÌÓо§Ð딡£¾§Ðë¿ÉÒÔÎý¡¢ïÓ¡¢Ð¿ £¬î÷µÈ´¿½ðÊôÉÏ·ºÆ𠣬ÔÚǦ¡¢Äø¡¢½ð £¬ÒøÉÏÏÊÓмûµ½¡£ÎýÐëÊǾ§ÐëµÄÒ»ÖÖ £¬ÊÇÔÚÎýÍâò×ÔÈ»Éú³¤µÄ¾§Ðë¡£ÎýÐëÉú³¤Àú³ÌÖÐ £¬¿Í¹ÛÒòËصÄÓ°Ïì»òÊÇÎý¾§Á£ÅÅÁÐÈ¡Ïò¸Ä±äʹÎýÐëÉú³¤Æ«Ïò±¬·¢¸Ä±ä £¬Ðγɲî±ðÉú³¤ÐÎ̬µÄÎýÐë £¬ÐÎ×´Ò»°ãÊÇÖù×´¡¢Å¤½á¡¢ÇðÆð¡¢»·×´µÈ¡£

 

Ê®´óµç×ÓÓÎϷƽ̨ÍøÕ¾(µç×Ó)ÓÐÏÞ¹«Ë¾

ͼ2 ³£¼ûµÄ¼¸ÖÖÎýÐëÐÎ̬ÕÕƬ

ÎýÐëµÄÎïÀíÐÔÄÜ Physical Properties

µä·¶µÄÎýÐëÖ±¾¶ÔÚ3-4um,³¤¶ÈÔÚ2mm,ÎýÐëµÄÉú³¤ËÙ¶ÈÒ»°ãÔÚ0.03-9mm/yr £¬ÎýÐëµÄÉú³¤ÃܶÈÔÚ3-500¸ù/mm2¡£

±í2 JESD22A121ÖжÔÎýÐëÃܶÈÆ·¼¶½ç¶¨

Ê®´óµç×ÓÓÎϷƽ̨ÍøÕ¾(µç×Ó)ÓÐÏÞ¹«Ë¾

ÎýÐëÊÇÎÞÓ¦Á¦ºÍÄÚ²¿È±Ïݵĵ¥¾§Ìå £¬¾ßÓкܴóµÄÇ¿¶È £¬ÓÐÎÄÏ×Ö¸³ö £¬»úÐÃ÷ÈÕñ¶¯ºÍ°Ú¶¯²»¿É˺¶ÏÎýÐëµÄÁ¬½Ó¡£

 

ÎýÐëµÄµçÐÔÄÜElectrical Properties

  Ñо¿Ö¸³öÔÚ¸ø¶¨Ìõ¼þÏ £¬ÎýÐëµÄÀíÂÛ¸ºÔØÄÜÁ¦Âú×ã·½³Ìʽ£º

Ê®´óµç×ÓÓÎϷƽ̨ÍøÕ¾(µç×Ó)ÓÐÏÞ¹«Ë¾

  ÆäÖÐAÊÇÎýÐëµÄºá½ØÃæ»ý £¬mm2;LÊÇÎýÐëµÄ³¤¶È £¬cm¡£ÀíÂÛÅÌËãÖ±¾¶2.8um,³¤0.8mmµÄÎýÐëÈ۶ϵçÁ÷ֵΪ5.85mA £¬¶øʵ¼ÊÕÉÁ¿¸Ã³ß´çµÄÎýÐëÈ۶ϵçÁ÷Ϊ22mA¡£Ô¤ÆÚÖµºÍʵ¼ÊÖµ±£´æ²î±ðÕâºÍ·½³ÌʽµÄÀíÏ뻯ģÐͼ°ÎýÐëµÄºá½ØÃæ»ýÕÉÁ¿µÄÅÓ´óÐÔÓйØ¡£ÖµµÃ×¢ÒâµÄÊÇ £¬ÎýÐëµÄÔØÁ÷ÄÜÁ¦ÓëÎýÐëµÄ³¤¶È¸ºÏà¹Ø¡£

ÎýÐëµÄÉú³¤Ìõ¼þ Conditions for Whisker Growth

  ÎýÐëÒ»°ãÉú³¤µç¶ÆÎý²ãµÄÍâò £¬Ó°ÏìÎýÐëÉú³¤µÄÒªº¦²ÎÊý£º»ù°å²ÄÖÊ¡¢ÈÛÎý¡¢Îý´¿¶È¡¢¶Æ²ãºñ¶È¡¢Î¶ȵÈ¡£

»ù°å²ÄÖÊ  ÎýÐëµÄÉú³¤Òò»ù°åµÄ²ÄÖʶøÒì £¬ÓÐÑо¿Ö¸³ö £¬Í­»ù°åÉϵç¶ÆÎýÔ¼Á½Ìì¾Í»áÉú³¤³öÎýÐë £¬¶ø¸ÖÖÊ»ù°åÔòÔÚ¼¸¸öÔºó²Å»áÓÐÎýÐëÉú³¤¡£ÁíÓÐÑо¿¸ø³ö¼¸ÖÖ»ù°å²ÄÖÊÉú³¤ÎýÐëµÄ¿ÉÄÜÐÔ£º»ÆÍ­>µç³Á»ýÍ­>Ƭ״ͭ>¸Ö>µç¶ÆÄø>µç¶ÆǦ>ÎýÄøºÏ½ð¡£»ù°åÍâò´Ö²Ú¶ÈºÍCTE²»Æ¥ÅäÒòËز»±»¿¼ÂÇ¡£

ÈÛÎý  µç³Á»ýÎýÄܹ»Ã÷ÏÔµÄÒÖÖÆÎýÐëµÄÉú³¤¡£Ñо¿Ö¸³ö £¬ÈÛÎýÒÖÖÆÎýÐëÉú³¤ÊÇÒòΪ¸ßÎÂÌõ¼þÏ £¬Îý¾§Á£³Ê¹æÔòµÄ¶à±ßÐÎ £¬Ïà½ÏÓÚµç¶ÆÎý¸ü²»¿ÉÄÜÔٽᾧºÍ±¬·¢ÄÚÓ¦Á¦¡£

Îý´¿¶È  ÔÚ½øÐеç¶ÆÇ° £¬¼ÓÈëÊÊÁ¿µÄǦ¿ÉÒԺܺõÄÒÖÖÆÎýÐëµÄÉú³¤¡£ÔÚÎýǦºÏ½ð¶Æ²ã£¨Pb30wt%£©·¢Ã÷50um³¤µÄÎýÐë £¬È»¶øÏà½ÏÓÚ´¿ÎýÖж¯Ôò¼¸ºÁÃ×µÄÎýÐëÒѾ­ºÜ¶ÌÁË¡£Ñо¿Ö¸³ö1%Pb¾ÍÄܺܺõÄÒÖÖÆÎýÐëµÄÉú³¤ £¬¿ÉÊÇΪÁ˱ÜÃâÒòµç³Á»ý²»¾ùÔȶø·ºÆðµÄ¸»ÎýÇø £¬Í¨³£ÍƼö¼ÓÈë2%Pb £¬ËäÈ»¸üΪÑÏ¿Á¾üÊ¡¢º½¿ÕÓ¦ÓÃÖÐ £¬¶à´ï3%Pb¡£

¶Æ²ãºñ¶È  Ñо¿±êÃ÷ÎýÐëµÄÉú³ÉÓë¶Æ²ãºñ¶ÈÖ®¼ä±£´æÒ»¸öÁÙ½çÖµ £¬µ±¶Æ²ãÁè¼Ýijһºñ¶Èʱ £¬ÎýÐë±ã²»»á±¬·¢¡£Ä¿Ç°ÓйØÑо¿Ö¸³ö8-10umÊÇÕâ¸öÁÙ½çãÐÖµ¡£

ÎÂ¶È  ÎýÐëÉú³¤ÓëζȵĹØϵÉÐδÓж¨ÂÛ¡£¿ÉÊÇÄ¿Ç°Ñо¿±êÃ÷µ±Î¶ÈÁè¼Ý120¡æʱ £¬ÆäÉú³¤»ºÂý £¬µ±Î¶ÈÁè¼Ý150¡æʱ £¬ÆäÉú³¤ÍêÈ«Í£Ö¹¡£ÓÐÑо¿ÕßÖ¸³ö52¡æÊǾ§ÐëÉú³¤µÄ×îÓÅζÈ¡£Î¶ÈÑ­»·±¬·¢µÄÈÈÓ¦Á¦Ò²¿ÉÄÜÔö½øÎýÐëµÄÉú³¤¡£

    ËäÈ» £¬Õ𶯡¢Êª¶È¡¢¸¯»¯¡¢Æøѹ £¬µç¶ÆÀú³ÌµÈÒ²ÓжÔÎýÐëµÄÉú³¤²úÉúÓ°Ïì¡£

ÎýÐëµÄÐγÉÓëÉú³¤ÀíÂÛFormation and Theory

   ºÍÊ÷Ö¦¾§²î±ð £¬ÎýÐë²»ÊÇÓɵç´Å³¡×÷Óõ¼ÖµÄ £¬¶øÊÇÒ»ÖÖ´¿´âµÄ»úеÏÖÏó¡£Ä¿Ç°ÎýÐëÉú³¤µÄÕæÕýÔ­ÒòÉв»¿ÉÖª¡£×ÔÉÏÊÀ¼Í50Äê´ú³õÆÚ £¬ÈËÃÇÌá³öÁËÐí¶àÀíÂÛ»úÖÆÀ´½âÊÍÎýÐëµÄÉú³¤ £¬Ä¿Ç°±È½ÏÓдú±íÐÔÓÐ4ÖÖ¡£

ÀíÂÛÀà±ð

»úÖÆ

Ñõ»¯²ãÀíÂÛ

¶ÆÎý²ãÍâò½Ï±¡´¦¿ªÁÑ £¬ÎýÐëÉú³¤µÃÒÔ±¬·¢Êͷžֲ¿ÄÚÓ¦Á¦ £¬µ«ÎÞ·¨½âÊÍÕæ¿ÕÌõ¼þÏÂÎýÐëµÄÉú³¤

²îÅÅÀíÂÛ

ÔÚÎýÐëÖÐÐĵÄÂÝÐý²îÅÅΪÎýÔ­×ÓµÄÒƶ¯Í¨µÀ £¬ÎýÔ­×ÓÒƶ¯µ½ÎýÐëµÄ¶¥¶Ë³Á»ý £¬¶øʹÎýÐëÉú³¤ £¬¿ÉÊÇÓëÀûÓõç×ÓÏÔ΢¾µÊÓ²ìÎýÐëÐÍ̬µÄÑо¿½á¹û²»·û

ѹӦÁ¦ÀíÂÛ

µ±Í­ÎýÔ­×ÓÔÚÊÒÎÂϱ¬·¢Ï໥À©É¢²¢·´Ó¦ÐγÉCu6Sn5½é½ðÊô £¬»á±¬·¢Ñ¹Ó¦Á¦×÷ΪÇý¶¯Á¦ £¬ µ¼ÖÂÎýÐëÉú³¤ £¬Ó¦Á¦µÄÀ´Ô´ÖÚ˵·×Æç £¬°üÀ¨½çÃæÀ©É¢·´Ó¦Ó¦Á¦¡¢¶ÆÎý²ãÓë»ù²ÄÈÈÅòÕÍϵÊý²»Æ¥ÅäÓ¦Á¦¡¢µçǨÒÆÓ¦Á¦µÈ

ÔٽᾧÀíÂÛ

ÈÏΪµ×²ÄÒòÊÜÁ¦¶ø²îÅžۼ¯ £¬µ¼ÖÂÔٽᾧ £¬±¬·¢Ò»¸öеľ§ºËÔڵײÄÍâò £¬´Ë¾§ºËµÄ³ß´ç±ØÐëÔ¼ÔÚ1um×óÓÒ £¬²¢ÇÒÓëµ×²ÄÖ®¼ä±£´æÒ»¸ö²»¿ÉÒƶ¯µÄ½çÏÞ £¬²Å»ªÊ¹Ô­×ÓÒÆÈ뾧ºËÄÚ £¬¿Õ¿×Åųö¾§ºËÍâ £¬Ê¹ÔٽᾧµÄо§ºË¿ÉÒÔ¾­Óɾ§Á£Éú³¤ÑÓÉì³ÉÎýÐë £¬Èô²»¿ÉÒƶ¯µÄ½çÏÞ²»±£´æ £¬¾§½çÒƶ¯½«»á±¬·¢ £¬ÎÞ·¨µ¼ÖÂÎýÐ뱬·¢

ÎýÐëµÄ¼ÓËÙÊÔÑéÒªÁì Test Methods

Ä¿Ç°ÈÕ±¾µç×ÓÐÅÏ¢¼¼Êõ¹¤ÒµÐ­»áJEITAºÍÈ«ÃÀµç×ÓÖÆÔìÉÌЭ»áNEMI¡¢SoldertecµÈÈý·½ÒѾ­ÈϿɵľ§Ðë¼ÓËÙÊÔÑéÒªÁì°üÀ¨ÈçÏÂ3¸ö£º£¨1£©¸ßθßʪÊÔÑ飨ζÈΪ+60¡æ £¬Êª¶ÈΪ93±2-3%£©£»£¨2£©Ä͹¥»÷ÊÔÑ飨ζÈÔÚ-55¡æ»ò-40~80¡æ £¬¾ßÌå²ÎÊý䶨£©£»£¨3£©ÊÒΰ²ÅÅÊÔÑ飨°²ÅÅÔÚ20-25¡æÊÒÎÂÌõ¼þÏ£©¡£

ÎýÐëµÄΣº¦Dangerous

ÎýÐë×îΪÑÏÖصÄÊÇÆä±£´æÒ»¶¨µÄÕÝ·üÆÚ¡£ÎýÐëµÄÃÈÑ¿ÆÚ¾ßÓв»È·ÐÔ £¬ÓеÄÊÇ8-10Äê £¬ÓеÄ20Äê,ÕâÒ²¾Í¸øÎÒÃǵļì²â´øÀ´µÄÀ§ÄÑ¡£»ùÓÚÎýÐëµÄºá½ØÃæÓ볤¶È £¬ÎýÐëµ¼ÖµĶÌ·ÐÎʽ¿ÉÒÔ·ÖΪÈýÖÖ£º1.ÓÀ¾ÃÐԶ̷£»2.¶ÌÔÝÐԶ̷£»3.¼´Ê±ÐԶ̷¡£ÆäÖÐÓÀ¾ÃÐÔ¶Ì·Σº¦×î´ó¡£

ÎýÐëµÄÒÖÖÆÉú³¤ Inhibition

¾¡¹ÜÎýÐëµÄÉú³¤»úÖÆ»¹²»ÊǺÜÃ÷È· £¬¿ÉÊÇÓйØÈçºÎÒÖÖÆÎýÐëÉú³¤µÄ·½·¨ £¬Ñо¿ÊÂÇéÒѾ­È¡µÃÒ»¶¨µÄ½á¹û¡£

±í3 ³£¼ûµÄ¼¸ÖÖÒÖÖÆÎýÐëÉú³¤µÄÎļþ

¼Æ»®

±¸×¢

ÈÈ´¦Àí£¨Í˻𠣬ÈÛ»¯ £¬»ØÁ÷£©

½«¶Æ²ãÈÛ»¯ºóÔÙÄý¹Ì»ò¸ÄÉƾ§¸ñȱÏÝ £¬Êͷŵç¶ÆÄÚÓ¦Á¦

Öмä¶Æ²ã£¨Ni£©

¸ÄÉƶƲãÄÚÓ¦Á¦ £¬ÒÖÖÆÖм仯ºÏÎïÐγÉ

¶Æ²ãºÏ½ð»¯

¼ÓÈëÒ»¶¨Á¿µÄBi¡¢Pb¡¢AgµÈ

¶Æ°µÎý

¼õÉÙÓ¦×Æ˸¼Á¼ÓÈë´øÀ´µÄÄÚÓ¦Á¦

´ó¾§Á£¶Æ²ã

¼õÉÙ¾§½çÀ©É¢

¶ÆºñÎý

Ò»°ãÔÚ8-12um

 

½áÓï Epilogue

¾¡¹ÜÎýÐëÏÖÏóÒѾ­·¢Ã÷°ë¸ö¶àÊÀ¼Í £¬¿ÉÊÇÕæÕýÊܵ½ÖØÊÓÊÇÀ´×ÔÎÞǦ»¯ÖƳÌ £¬ Ëæן¸µãÃܼ¯¶ÈÔö¼ÓºÍ¼ä¾àËõС £¬Ê¹µÃÎýÐëËùÔì³ÉÔª¼þ¶Ì·¼°Ë𻵵ÄΣº¦Ìá¸ß £¬Ñ°ÕÒÒÖÖÆÎýÐëÉú³¤µÄÒªÁì £¬½¨Á¢ÓÐЧµÄÎýÐë¿É¿¿¶È²âÊÔ±ê×¼ £¬Õë¶ÔÎýÐëµÄÉú³¤»úÖƼÌÐøÉîÈëÑо¿ºÜÓÐÐëÒª¡£

²Î¿¼ÎÄÏ× References

Captain Mark E.Mcdowell,Tin whiskers:A case study

²Ì±Ì¶ð £¬ÎýÐëµÄÉú³¤»úÖÆ

¼ªÊ¥Æ½ £¬ÓйØÓÚÎÞǦ»¯µç×Ó×é×°µÄ֪ʶ

Jong S. Kadesch £¬The Continuing Dangers of Tin Whiskers and Attempts to Control Them with Conformal Coating

Jong S. Kadesch £¬Effects of Conformal Coat on Tin Whisker Growth

Henning Leidecker £¬Electrical Failure of an Accelerator Pedal Position Sensor Caused by a Tin Whisker and Discussion of Investigative Techniques Used for Whisker Detection

Ê®´óµç×ÓÓÎϷƽ̨ÍøÕ¾ÊÇÒ»¼Òרҵ´Óʵç×Ó·â×°ÖÊÁÏÑз¢ºÍÉú²úµÄ¸ßм¼ÊõÁ¢ÒìÐÍÆóÒµ¡£¹«Ë¾ÓµÓжàÏîÏà¹Ø¼¼ÊõרÀû £¬ÊÇ̨ÍåºÍ´ó½Îí»¯³ÉÐÍBGAÎýÇò¼¼ÊõרÀû³ÖÓÐÈË¡£¹«Ë¾Ä¿Ç°Ó뺣ÄÚ¶àËù¸ßУ¼á³ÖÏàÖú¹Øϵ £¬²¢ÉèÓÐÑз¢ÖÐÐÄ £¬¾ßÓÐרҵµÄ²úÆ·Ñз¢ÄÜÁ¦ £¬¿ÉÉú²úBGAÎýÇò¡¢Í­ºËÇò¡¢ÎýÖù¡¢ÔöÇ¿ÐÍÎýÖù¡¢ÎýË¿¡¢Îý¸à¡¢Ô¤³ÉÐκ¸Æ¬µÈ·â×°²úÆ· £¬²¢ÄܽøÐпÍÖÆ»¯Ñз¢ÓëÉú²ú¡£

 

Æóҵ΢ÐÅÓëLOGO

Ê®´óµç×ÓÓÎϷƽ̨ÍøÕ¾(µç×Ó)ÓÐÏÞ¹«Ë¾

 

Tel×Éѯµç»°

023-72183502

ÍøÕ¾µØͼ
ÓÑÇéÁ´½Ó£ºAGÕæÈ˹ú¼Ê  Â齫ºúÁ˹ٷ½ÍøÕ¾Èë¿Ú  ²»ÐàÇéÔµ¹ÙÍø  pgµç×Óƽ̨  ÐÂÆÏÌÑ8883¹ÙÍøAMG  k8¿­·¢¹ÙÍøÈë¿Ú  pgµç×Óƽ̨  ÕæÈËAG¹Ù·½ÈËÉú¾ÍÊDz©  K8¿­·¢  BG´óÓÎƽ̨  1946ΰµÂ¹ú¼Ê  ÍþÁ®Ï£¶û  ×ðÁú¹ÙÍøÖйú¹ÙÍøÈë¿Ú  ×ðÁú¿­Ê±  ×¯ÏкÍÍøÖ·