{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9633946","patent":{"patent_number":"US-9633946","title":"Seamless metallization contacts","assignee":null,"inventors":[],"filing_date":"2016-04-27T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":20,"abstract":"The present disclosure relates to semiconductor structures and, more particularly, to seamless metallization structures and methods of manufacture. A structure includes: a contact opening formed in an oxide material and in alignment with an underlying structure; a metal liner lining the sidewalls and bottom of the contact opening, in direct electrical contact with the underlying structure; a conductive liner on the metal liner, within the contact opening; and tungsten fill material on the conductive liner and within the contact opening."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Seamless metallization contacts","description":"The present disclosure relates to semiconductor structures and, more particularly, to seamless metallization structures and methods of manufacture. A structure includes: a contact opening formed in an","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9633946","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-9633946","citation_suggestion":"Patentable. \"Seamless metallization contacts\" (US-9633946). https://patentable.app/patents/US-9633946","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9633946","json":"https://patentable.app/api/llm-context/US-9633946","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:18:23.932Z"}