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Subject:
Dst foil
From:
Wayne Gitlitz <[log in to unmask]>
Date:
Thu, 08 Aug 96 09:50:21 -0300
Content-Type:
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Hi
	I am looking for pre clean information on drum side treated foil. It has been recommended to preclean prior to resist lamination, with a 16 to 20% sulfuric acid followed by nothing but water rinsing. Is this acceptable to remove the cromate coating and will it etch acceptable through alkaline etch?

Does anyone recommend a better one step preclean for this materail?

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