Ruthenium-etching solution, method for manufacturing ruthenium-etching solution, method for processing object to be processed, and method for manufacturing ruthenium-containing wiring
A ruthenium-etching solution for carrying out an etching process on ruthenium. The etching solution includes orthoperiodic acid and ammonia, in which a pH is 8 or higher and 10 or lower. A method for manufacturing the ruthenium-etching solution, a method for processing an object to be processed incl...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A ruthenium-etching solution for carrying out an etching process on ruthenium. The etching solution includes orthoperiodic acid and ammonia, in which a pH is 8 or higher and 10 or lower. A method for manufacturing the ruthenium-etching solution, a method for processing an object to be processed including carrying out an etching process on an object to be processed including ruthenium using the ruthenium-etching solution, and a method for manufacturing a ruthenium-containing wiring. |
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