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Date: | Mon, 27 Apr 1998 07:21:15 -0700 |
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Isn't an oxide relatively inert? I heard the original intent was to
prove the surface was clean. If oxide would not adhere to a dirty
surface, then surface not acceptable for processing.
Olson, Jack C wrote:
>
> Easy Question:
>
> I was under the impression that black oxide provided more "tooth" for
> bonding copper to the substrate material. Recently I was told is was just
> to protect the surface during handling. Since I can't find it in Coombs
> Handbook, can anyone briefly explain?
>
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