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Date: | Fri, 4 May 2007 07:42:40 -0400 |
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Check IPC-A-600G Section 2.2 Base material Surface:
Ramon
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Paymon Sani
Sent: Thursday, May 03, 2007 4:39 PM
To: [log in to unmask]
Subject: [TN] Missing copper/HASL finish in many spots on the ground
planes
Hello All,
My company is receiving HASL PCBs with pin holes. There are spots on the
PCB that is missing copper and therefore HASL coverage. They are mostly
in the ground planes. What IPC criteria should we use to inspect the
PCBs?
Thank you in advance,
Paymon
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