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June 1998

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Subject:
BGA First Time Yields
From:
"Wallisch, Ernst" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 11 Jun 1998 11:26:00 -0400
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Fellow Technetters,

        I am fairly new to the world of BGAs and we have only built limited
quantities of CCAs with BGAs (388s and 352s on 17 layer PWBs) for internal
customers.  I am seeing a first time yield of approximately 96%.

        Is this particularly bad for a low to mid volume environment?  What
kinds of FTY are other folks achieving?

Thanks in advance,

Ernst Wallisch
Manufacturing Engineering
Computing Devices Canada
[log in to unmask]
(613) 596-7536

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