It appears to me that you are off by one decimal point??
> ----------
> From:         CSS International Corp.[SMTP:[log in to unmask]]
> Sent:         December 30, 1997 2:30 PM
> To:   [log in to unmask]
> Subject:      Re: [TN] BGA Coplanarity
>
> 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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