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September 1997

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Subject:
Re: FAB: MIL Spec on copper thickness
From:
Keith Larson <[log in to unmask]>
Reply To:
TechNet Mail Forum.
Date:
Thu, 11 Sep 1997 21:48:52 -0500
Content-Type:
text/plain
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text/plain (47 lines) 
John,

One (1) ounce copper is .0014" (35.0 microns) thick and has a tolerance of
+-10% for Class 1 and +-5% for Class 2.

Keith Larson
Circuit Technology Inc.


At 01:10 PM 9/11/97 +0000, you wrote:
>COuld someone please tell me what the thickness and tolerance of 1oz
>base Cu is called out as per MIL-P-13949/4.
>
>Much Appreciated
>
>Regards
>
>John Parsons
>
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