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June 1997

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Subject:
Buried capacitance material
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Ed Cosper <[log in to unmask]>
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Can someone provide me some information on buried capacitance material. Specifically I am interested in  double sided .002 core 1/1 Zycon ZBC-2000 material. This material has been specified on a drawing and I need to know the following information.

1. Is it available to any PCB shop?
2. Where do you get it?
3. What is the lead time? ( special materials many times take a while to get)
4. Is there any special processing required? Specifically in the de-smear/ etchback
    process and drilling. 

Any help I can get would be greatly appreciated.

Ed Cosper
Director Quality Assurance and Engineering
Graphic Electronics Inc.
Tulsa, OK     

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