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Tue, 30 Dec 1997 20:30:19 +0000 |
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Dennis:
Coplanarity requirement is 0.0006" for BGA. However, most of the suppliers
would like the coplanarity specification to be 0.0008" and the users would
like it to be 0.0004".
This issue is still not resolved completely.
Best Regards,
One Kyu Son
At 06:03 PM 12/29/97 +0000, you wrote:
>I was wondering if there is an industry standard for coplanarity of
>solder spheres on a BGA package. Any insight will be greatly
>appreciated.
>
>--
>Dennis Fall
>Development Engineer Assistant
>Thin Film Technology Corporation
>1980 Commerce Drive
>North Mankato, MN 56003-1702
>
>P: 507-625-8445 x17
>F: 507-625-3523
>email: [log in to unmask]
>http://www.thin-film.com
>
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