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July 2003

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Subject:
BGA / mikro BGA / CSP land patterns
From:
"Zweigart, Siegmund" <[log in to unmask]>
Reply To:
(Designers Council Forum)
Date:
Wed, 30 Jul 2003 16:31:13 +0200
Content-Type:
text/plain
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text/plain (18 lines) 
Hello all

Which pad size do you use for BGA / CSP designs?
Do you use a special factor (e.g. 0,85) between Ball size and land?
Do you know of any reliability studies covering this topic?

Siggi

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