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Date: | Thu, 19 Dec 1996 13:13:12 +0800 |
Content-Type: | text/plain |
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Please check your current reading of your plating line. Bad rack usually
sent out warning signal on current reading.
At 23:25 96/12/17 +0800, you wrote:
>
>Terry,
>
>Try this on for size:
>The automatic plating racks are developing opens or high resistance
>connections leaving seemingly random boards with thin copper. Further
>processing removes the remaining copper and ... there they are... Voids.
>
>Need to number your plating racks and keep track of which panels are run
>on which racks. In a past life, a small mature Baker Bro. line would
>generate 2 to 4 bad racks per quarter.
>
>The correct thing to do would be to buy another set of racks and do a
>wholesale replace and repair every 8 - 18 months. I am sure your local
>rack man would love to help you out.
>
>There are many other possibilities. I will let others tell you about
>them.
>
>George Franck
>
>Whoops, sorry I did not copy the original question from Terry,
>[log in to unmask]
>
>--
>
>
>George Franck Jr
>Raytheon E-Systems
>Product Assurance Engineer
>Falls Church Va
>
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