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Thu, 26 Mar 1998 07:31:28 -0500 |
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Henry,
Have you tried using frame racks. Custom racks that clamp a layer
on all 4 sides. I've done work plating .005" core for burried and blind
vias
using these it worked well.
John Haman Jr.
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> From: Henry Coulter <[log in to unmask]>
> To: [log in to unmask]
> Subject: [TN] Plating thin, less than .005", via layers
> Date: Wednesday, March 25, 1998 12:21 PM
>
> I regularly need to clamp via layers (PWB's) to unclad fiberboard frames
> before pattern plating. We currenty use platers' tape to attach the via
> to the frame, it works well but it's too time consuming. Does anyone
> have a better way to do this? Is there a clamping device out there?
> Will appreciate any sugestions.
> Henry Coulter
>
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