Vertefeuille, Russ (AZ77) wrote:
>
> Gentlemen,
>
> I am looking for any feedback concerning PWB surface finishes for mounting
> micro- BGA's.  HASL appears to not completely cover .012" diameter pads
> consistantly, as well as coplanarity issues.  Should the surfaces be
> plated??  Any help on this subject would be greatly appreciated..
>
> Regards,
>
> Russ Vertefeuille
> Mfg. Process Eng.
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PLease Contact Eric Meiglitz (1-800-924-3790) At AQC He will be able to
answer any questions you have and if need any pcb mfg please contact me
directly at (408)653-1800 Ext#105..

Thanks,

Mark Leasure