Dear all: 
  
向各位请教一下,如图所示的零件(零件下没有焊球),像这类零件是否可以按IPC-A-610上BGA的标准来检查焊接气泡。
 
如果不能用BGA的焊接要求来判定的话,我们应该用什么标准来判定呢? 
 
    
 
 
Regards!
Sherry 

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