{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9768171","patent":{"patent_number":"US-9768171","title":"Method to form dual tin layers as pFET work metal stack","assignee":null,"inventors":[],"filing_date":"2015-12-16T00:00:00.000Z","publication_date":"2017-09-19T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":6,"abstract":"A method of making a semiconductor device includes growing an interfacial layer on a substrate; depositing a first titanium nitride (TiN) layer on the interfacial layer; depositing a second TiN layer on the first TiN layer, the first TiN layer and the second TiN layer forming a bilayer work function gate stack of a first transistor; depositing a work function gate stack of a second transistor on the interfacial layer adjacent to the bilayer work function gate stack and on the bilayer work function stack; and depositing a gate electrode material on the work function gate stack of the second transistor."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method to form dual tin layers as pFET work metal stack","description":"A method of making a semiconductor device includes growing an interfacial layer on a substrate; depositing a first titanium nitride (TiN) layer on the interfacial layer; depositing a second TiN layer ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9768171","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-9768171","citation_suggestion":"Patentable. \"Method to form dual tin layers as pFET work metal stack\" (US-9768171). https://patentable.app/patents/US-9768171","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9768171","json":"https://patentable.app/api/llm-context/US-9768171","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:15:40.288Z"}