{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11239118","patent":{"patent_number":"US-11239118","title":"Semiconductor device having buried gate structure and method for fabricating the same","assignee":null,"inventors":[],"filing_date":"2020-04-20T00:00:00.000Z","publication_date":"2022-02-01T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":19,"abstract":"A method for fabricating a semiconductor device includes forming a trench in a substrate, forming a gate dielectric layer on a surface of the trench, forming a lower gate, which partially fills the trench, over the gate dielectric layer, forming a low work function layer over the lower gate, forming a spacer over the low work function layer, etching the low work function layer to be self-aligned with the spacer in order to form vertical gate on both upper edges of the lower gate, and forming an upper gate over the lower gate between inner sidewalls of the vertical gate."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device having buried gate structure and method for fabricating the same","description":"A method for fabricating a semiconductor device includes forming a trench in a substrate, forming a gate dielectric layer on a surface of the trench, forming a lower gate, which partially fills the tr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11239118","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-11239118","citation_suggestion":"Patentable. \"Semiconductor device having buried gate structure and method for fabricating the same\" (US-11239118). https://patentable.app/patents/US-11239118","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11239118","json":"https://patentable.app/api/llm-context/US-11239118","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:30:49.362Z"}