{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9721840","patent":{"patent_number":"US-9721840","title":"Method of forming complementary metal oxide semiconductor device with work function layer","assignee":null,"inventors":[],"filing_date":"2016-06-28T00:00:00.000Z","publication_date":"2017-08-01T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":10,"abstract":"The present invention provides a complementary metal oxide semiconductor device, comprising a PMOS and an NMOS. The PMOS has a P type metal gate, which comprises a bottom barrier layer, a P work function metal (PWFM) layer, an N work function tuning (NWFT) layer, an N work function metal (NWFM) layer and a metal layer. The NMOS has an N type metal gate, which comprises the NWFT layer, the NWFM layer and the low-resistance layer. The present invention further provides a method of forming the same."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of forming complementary metal oxide semiconductor device with work function layer","description":"The present invention provides a complementary metal oxide semiconductor device, comprising a PMOS and an NMOS. The PMOS has a P type metal gate, which comprises a bottom barrier layer, a P work funct","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9721840","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-9721840","citation_suggestion":"Patentable. \"Method of forming complementary metal oxide semiconductor device with work function layer\" (US-9721840). https://patentable.app/patents/US-9721840","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9721840","json":"https://patentable.app/api/llm-context/US-9721840","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:22:29.558Z"}