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March 2010

TGAsia@IPC.ORG

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Subject:
From:
"Charlotte \"Yu\" Hao" <[log in to unmask]>
Reply To:
Asia Committe Task Group Forum <[log in to unmask]>, Charlotte "Yu" Hao
Date:
Tue, 23 Mar 2010 22:40:26 -0500
Content-Type:
text/plain
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text/plain (1 lines)
朱工:



如果是刚性板, 可参考IPC-6012; 如果是挠性板, 可参考IPC-6013.



Hao Yu   郝 宇

Technical Resource Coordinator

IPC



________________________________

发件人: TGAsia [[log in to unmask]] 代表 朱慧 [[log in to unmask]]

发送时间: 2010年3月24日 11:15

收件人: Listserv TGAsia

主题: [TGAsia] PCB阻焊剂的涂覆



大家好!



      我想询问一个有关PCB阻焊剂涂覆的问题!



      有关PCB阻焊剂的涂覆在IPC-A-610D中有相关描述,但有关阻焊剂涂覆时覆盖焊盘的要求有谁知道相应标准及出处呢?(意思也就是说,供应商送来的基板在印刷阻焊剂时出现了少许偏位,出现了覆盖少许焊盘的现象,但不影响焊接的情况下现怎样判定覆盖多少可以接受?或是直接拒收?)



以上



      劳驾知悉者!



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