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April 2000

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Subject:
From:
Fred Watt <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 17 Apr 2000 15:49:39 -0700
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I need to find some fab shops with the following capabilities:

Board thickness:    0.125" - 0.250"
Blind and buried vias
Plated closed, silver filled holes with smooth surface pads (via in pad)
Epoxy plugged vias (for vacuum protection)
Drill to trace:  0.005"
Trace width/space:    0.004/0.004"
Low quantities:  2-10 boards
Non-plated aspect ratio:  30:1
Plated aspect ratio:   25:1
Full body gold
40 layers
Dielectric thickness 0.004 to 0.020"
Controlled impedance : 50, 55, 75, 105, 150 ohms
In house high resolution TDR measurements
Leakage to 2000 MOhms
Netlist test
FR-4, Cynate ester, Getek, polyimide

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