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March 2000

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Subject:
From:
Franklin Asbell <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 16 Mar 2000 07:23:06 -0800
Content-Type:
text/plain
Parts/Attachments:
text/plain (103 lines)
~fingers lightly touching the computer screen, sliding over the text you
submitted~

I can sense your frustration with fabricators on this, so I shall slowly
back away before it really gets out of hand........

Franklin


----- Original Message -----
From: Howieson, Rick <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, March 15, 2000 4:07 PM
Subject: Re: [TN] Gold Removal


> YES! Reject it and send it back to fab. And my answer to your view, if
> you can't build the damn thing to print don't quote it! Enough said.
>
> >-----Original Message-----
> >From:  Franklin Asbell [SMTP:[log in to unmask]]
> >Sent:  Wednesday, March 15, 2000 6:01 PM
> >To:    [log in to unmask]
> >Subject:       [TN] Gold Removal
> >
> >Cyanide in and of itself won't remove gold, it's a lot more detailed than
> >that, and then controlling how much is removed is almost impossible.
> >
> >Speaking from experience, you won't even smell almonds, you might see a
> >humid cloud drifting slowly away from the tank, and the next thing you'll
> >see is the ER doctor telling you things will be just fine.
> >
> >30 microinches of Gold won't affect solderability any different then 10
> >microinches. What it might affect depending on your application is the
> >electrical properties.
> >
> >If 30 microinches is simply intolerable then buff the gold tabs or pads
down
> >to what you believe to be a tolerable level, unless you have access to an
> >XRF or similar device though, you won't know how far you've gone.
> >
> >Sure, reject it all back to the fabricator, have them restart the job,
put
> >everything on a back burner, or better yet, find another supplier,
resubmit
> >gerber, have them do it, of course you'll want to survey them first,
gotta
> >remember to schedule that before we give them the order.
> >
> >~...hmmmm, wondering if I'm being too facetious, nah, not with this
group,
> >they can appreciate the humor in this....grinning~
> >
> >Franklin
> >
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