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September 2006

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Subject:
Re: Thickness of gold in ENIG
From:
Ian Hanna <[log in to unmask]>
Reply To:
[log in to unmask]
Date:
Fri, 22 Sep 2006 09:17:17 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (47 lines) 
IPC 4552 Oct 2002 3.2.2 says 1.97 u" min


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Tempea, Ioan
Sent: Friday, September 22, 2006 9:03 AM
To: [log in to unmask]
Subject: [TN] Thickness of gold in ENIG

Hi Technos,

as per my copy of ICP-4552, dated October 2002, paragraph 3.2.2
recommends 2.955 to 4.925 micro inches of Au. I was challenged on that
and would like to know if there is a more recent release of the
standard, stating a minimum of 2 micro in.

Thanks,

Ioan

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