From: TGAsia [mailto:[log in to unmask]] On
Behalf Of Lu Chunli Sent: Thursday, December 29, 2011 3:53
PM To:[log in to unmask] Subject: Re: [TGAsia]
功放件开裂
我也想知道，你的这个元器件是怎么回事？
这应该是两个元器件吧？但是裂的位置一样。你是不是可以把这个元器件单独过一遍炉看看裂不裂。
期待其他有经验的专家
From: TGAsia [mailto:[log in to unmask]] On
Behalf Of Andrew Yu-0108CE Sent: Wednesday, December 28, 2011 7:33
PM To:[log in to unmask] Subject: [TGAsia]
功放件开裂
各位专家:
如上图所示的SMT功放件开裂,是属于热应力还是机械应力造成的?
B/r and at your
service
Andrew
YU
Nokia
Siemens networks (Hangzhou) Co., Ltd
Material and failure
analysis lab
Road No.1, HEDA,
Hangzhou,
310018, P. R. China
Mobile phone:
13777889951
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