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August 2001

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Subject:
SolderMask Relief
From:
"Bondarenko, Walt" <[log in to unmask]>
Reply To:
(Designers Council Forum)
Date:
Mon, 27 Aug 2001 14:45:15 -0500
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Hello Everyone,
        A question has been brought to me.  What is the smallest soldermask
relief to a surface mount pad being used in today's world.  I'm being told
that a 5 mil relief is a good safe number, however, with parts that are 10
mil pitch that a 3 mil or less should be used.  What have some of you run
into?

Walter Bondarenko
PCB Designer
Andrew Corporation
Amplifier Products Division - AYP
281 Industrial Road
Glen Rock, PA  17327
(717) 505-0269
[log in to unmask]

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