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September 1999

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Subject:
From:
"Tempea, Ioan" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 22 Sep 1999 17:27:50 -0400
Content-Type:
text/plain
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text/plain (56 lines)
Taheri,

why don't you try to turn the fiducials into holes? Instead of cutting half
of the thickness, have your stencil fab pierce the foil. And you don't have
to fill.

We are working like that for years on our Fuji GSP without the slightest
problem. This will also fix cleaning problems.

Ioan

> -----Original Message-----
> From: Taheri, Kamran [SMTP:[log in to unmask]]
> Sent: Wednesday, September 22, 1999 4:29 PM
> To:   [log in to unmask]
> Subject:      [TN] Fiducials
>
> Is there any other methods of putting fiducials on the stencil? Our vender
> Laser cuts the fiducials half the thickness of the stencil then fills it
> with black adhesive. After a while the black adhesive starts to
> deteriorate
> and my phone rings of the hook. I usually get good results filling the
> fiducials on the thicker stencils with Loctite 410 black adhesive. But not
> much luck when dealing with 5 or 6 mils thick stencils. Any comments
> appreciated.
>
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