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Concept Search - What can I type?
For a concept search, you can enter phrases, sentences, or full paragraphs in English. For example, copy and paste the abstract of a patent application or paragraphs from an article.
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A method of removing all traces of zinc oxide from a copper base foil, without adversely affecting the copper layer, is accomplished by the following proc
English (United States)
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Method of Removing Zinc Oxide From One-ounce Copper Foil Using
Sodium Persulfate Solution
A method of removing all traces of zinc oxide from a copper base foil, without
adversely affecting the copper layer, is accomplished by the following proc
An etchant consisting of 21.5% of Sodium Persulfate salt, 7.1 % of an 85%
reagent grade of phosphoric acid, and 0.02% of a 26% reagent grade Mercuric
chloride are placed in a solution of water (water comprises 71.38% of the
solution). The etchant is applied in a processing machine of choice to remove
the zinc oxide.