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June 1998

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Subject:
From:
Richard G Smith <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 9 Jun 1998 15:19:26 -0600
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     Hi All,

     - HEEEEELP!!!!!!   I have an interesting dilemma.

     We are trying to develop a circuit pattern to create a resistance of 9
     milliohms. This circuit is also required to fuse between 5.0-6.0 amps.
     The circuit will be formed on 2 oz. cu., exposed from soldermask and
     will be solder coated to IPC standards. Operating temperature is 65C
     degrees. I have some generic information concerning copper resistivity
     from IPC-D-317A. This spec also refers to IPC-MF-150 for further
     detail. I do not have this spec. Any info would be greatly
     appreciated.

     Thanks,
     Rick

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