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And you couldn't have just dumped all that on your wife, like the rest of us
do?
~grin~
Franklin
----- Original Message -----
From: Carey Pico <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, February 10, 2000 11:34 AM
Subject: Re: [TN] White Tin PWB
> Every time I see "White Tin" as a process, I get queezy.
>
> For the record, white tin is a metallurgical form of tin. The company
(I'll
> not name) that is trying to capitalize on using it as a process name has
> bastardized terminology. Of course, your other choice is gray tin which
is
> unstable with poor properties and forms at low temperatures. So all of
you
> are using white tin, whether you know it or not. Otherwise, you'd be out
of
> business.
>
> I'm sorry... I just had to get it off my back.
>
> Carey
>
> -----Original Message-----
> From: Jorge A Rodriguez <[log in to unmask]>
> To: [log in to unmask] <[log in to unmask]>
> Date: Thursday, February 10, 2000 8:07 AM
> Subject: [TN] White Tin PWB
>
>
> >We are about to start using immersion tin PWBs (white tin) , the boards
we
> >currently use are HASL and OSP. Are there any changes with the SMT
process,
> >component termination finish or reflow process when white tin boards are
> used. I
> >know that white tin provides a better pad finish than HASL, similar to
OSP,
> but
> >wihout the organic coating. Any comments.
> >
> >
> >Any iformation would be appreciated.
> >
> >
> >Jorge Rodriguez
> >Process Engineer
> >Conexant Systems Inc
> >
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