{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11274250","patent":{"patent_number":"US-11274250","title":"Chemical solution and method for treating substrate","assignee":null,"inventors":[],"filing_date":"2020-07-09T00:00:00.000Z","publication_date":"2022-03-15T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L"],"num_claims":34,"abstract":"The present invention provides a chemical solution, which has an excellent dissolving ability for a transition metal-containing substance and can realize excellent smoothness of a portion to be treated, and a treatment method using the chemical solution. The chemical solution according to an embodiment of the present invention is a chemical solution used for removing a transition metal-containing substance on a substrate and includes periodic acids and a compound including one or more kinds of anions selected from the group consisting of IO3−, I−, and I3−, in which a content of the compound including anions with respect to a total mass of the chemical solution is 5 ppb by mass to 1% by mass."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Chemical solution and method for treating substrate","description":"The present invention provides a chemical solution, which has an excellent dissolving ability for a transition metal-containing substance and can realize excellent smoothness of a portion to be treate","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11274250","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11274250","citation_suggestion":"Patentable. \"Chemical solution and method for treating substrate\" (US-11274250). https://patentable.app/patents/US-11274250","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11274250","json":"https://patentable.app/api/llm-context/US-11274250","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T21:47:32.156Z"}