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July 1997

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>From willli Wed Jul 23 10:
13:30 1997
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Wed, 23 Jul 1997 19:34:57 -0700
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23:05 1997
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recently paul said that if you are using  alkaline etching your can not
produce fineline ( < 6 mil).almost all alkaline etching solution suppliers
claim that  their replenisher is formulated for fine lines and can be used
for etching inner layers ( print & etch ) using dryfilm as etch resist. Even
all recycling etch manufactuerers claim that their ammonical recycling
etching systems are being used for producing fineline innerlayers. any
feedback / discussion will be appreciated.

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