{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11251126","patent":{"patent_number":"US-11251126","title":"Replacement metal cap by an exchange reaction","assignee":null,"inventors":[],"filing_date":"2020-03-16T00:00:00.000Z","publication_date":"2022-02-15T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":11,"abstract":"Various methods and structures for fabricating BEOL metallization layer including at least one bulk cobalt contact, the at least one bulk cobalt contact including a replacement non-cobalt metal cap integral to the at least one bulk cobalt contact. The method includes performing selective deposition, by a chemical exchange reaction of metal between a non-cobalt metal and Cobalt in the at least one bulk cobalt contact, of the replacement non-cobalt metal cap integrally formed in a top surface region of the bulk cobalt contact."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Replacement metal cap by an exchange reaction","description":"Various methods and structures for fabricating BEOL metallization layer including at least one bulk cobalt contact, the at least one bulk cobalt contact including a replacement non-cobalt metal cap in","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11251126","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-11251126","citation_suggestion":"Patentable. \"Replacement metal cap by an exchange reaction\" (US-11251126). https://patentable.app/patents/US-11251126","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11251126","json":"https://patentable.app/api/llm-context/US-11251126","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:39:17.845Z"}