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Thu, 30 Oct 1997 11:41:04 -0800 |
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Ohmega Technologies, Inc. |
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tonghh wrote:
>
> Hello to all technetters :
>
> Recently I have been trying to figure out the best pretreatment method for
> alloy42 materials for further plating processes .Could someone share some
> info on this , since alloy42 materials is very sensitive in nature . We
> have tried using 5% sulphuric acid and others proprietary chemicals also
> sulphuric acid based , the operating window is limited .
>
> Thanks .
>
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Tongh, It seems to me that 5% sulfuric is too weak. Try increasing the
concentration and/or temperature. You didn't say what is the problem
you're trying to solve, so I don't know what else to tell you. Good
luck. Dan Brandler, Technical Director, Ohmega Technology.
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Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information.
For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311
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