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Etchants
Cu series
Cu series
Cu series is mixed acid type etchant for Cu thin film. (strongly acidic)
Capable of controlling etching rate of Cu by the etchant composition or temperature.
Cu-03 can reduce the amount of side etching.
Product Line
Products
Etching rate
(25℃、nm/min.)
Features
Treatment method
Cu-01
650(No stirring)
For fine patterns
Dipping
Cu-02
1,100(Strong stirring)
For fine patterns
Dipping and spray
Cu-03
350(Strong stirring)
For extremely fine patterns
Dipping and spray
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