第一圖的右邊 及第二圖都對
From: TGAsia [mailto:[log in to unmask]] On Behalf
Of Eileen Xiang
Sent: Tuesday, July 22, 2014 1:16 PM
To: [log in to unmask]
Subject: [TGAsia] 关于导体/焊盘减少的判定
Hi all
在IPC-A-610E的10.3.1章节里关于导体/焊盘减少的判定定义:盘的长度或宽度的减少大于20%。
该怎么理解?为以下两种理解的哪一个?
1:
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2:还是最大只能缺损如下阴影面积?
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请各位不吝赐教!谢谢!
BR/Eileen
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