{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11469313","patent":{"patent_number":"US-11469313","title":"Self-aligned trench MOSFET and IGBT structures and methods of fabrication","assignee":null,"inventors":[],"filing_date":"2021-01-19T00:00:00.000Z","publication_date":"2022-10-11T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":14,"abstract":"A self-aligned p+ contact MOSFET device is provided. A process to manufacture the device includes forming oxide plugs on top of gate trenches, conducting uniform silicon mesa etch back, and forming oxide spacers to form contact trenches."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Self-aligned trench MOSFET and IGBT structures and methods of fabrication","description":"A self-aligned p+ contact MOSFET device is provided. A process to manufacture the device includes forming oxide plugs on top of gate trenches, conducting uniform silicon mesa etch back, and forming ox","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11469313","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-11469313","citation_suggestion":"Patentable. \"Self-aligned trench MOSFET and IGBT structures and methods of fabrication\" (US-11469313). https://patentable.app/patents/US-11469313","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11469313","json":"https://patentable.app/api/llm-context/US-11469313","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:19:31.456Z"}