COMPOSITION FOR REMOVING RUTHENIUM
The present invention addresses the problem of providing a remover composition which can sufficiently remove ruthenium (Ru) remaining on substrates and can be inhibited from evolving RuO4 gas. The remover composition, which is for removing ruthenium remaining on substrates, has a pH at 25° C. of 8 o...
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| Main Authors | , |
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| Format | Patent |
| Language | English |
| Published |
06.01.2022
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| Subjects | |
| Online Access | Get full text |
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| Abstract | The present invention addresses the problem of providing a remover composition which can sufficiently remove ruthenium (Ru) remaining on substrates and can be inhibited from evolving RuO4 gas. The remover composition, which is for removing ruthenium remaining on substrates, has a pH at 25° C. of 8 or higher and includes one or more pH buffer ingredients. |
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| AbstractList | The present invention addresses the problem of providing a remover composition which can sufficiently remove ruthenium (Ru) remaining on substrates and can be inhibited from evolving RuO4 gas. The remover composition, which is for removing ruthenium remaining on substrates, has a pH at 25° C. of 8 or higher and includes one or more pH buffer ingredients. |
| Author | OHWADA, Takuo KASHIWAGI, Itsuki |
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| RelatedCompanies | Kanto Kagaku Kabushiki Kaisha |
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| Snippet | The present invention addresses the problem of providing a remover composition which can sufficiently remove ruthenium (Ru) remaining on substrates and can be... |
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| SubjectTerms | CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE |
| Title | COMPOSITION FOR REMOVING RUTHENIUM |
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