[log in to unmask] wrote:
>
> Hey Russ -
> You are not alone - most of the HASL systems out there do not appear capable
> of providing adequate coplanarity for microBGA and very fine-pitch.  Gold
> flash of course will work fine.  Of course there is the phobia of gold
> embrittlement and whether this is a problem or not will depend upon the
> application and the reliability (life) aspects of it.  I've had very good
> luck with OSPs and CSP and recommend you seriously consider that route.
> Best regards,
> Phil Zarrow
> ITM, Inc.
> Durham, NH
> (ps: see you at SMI !?!)

Gents,  CEMCO will be happy to run evaluation testing on our horizontal
system at our UK factory or at our service in Scotland.
--
Butch White.
mailto:[log in to unmask]
Web Page http:\\www.cemco.com