{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11276751","patent":{"patent_number":"US-11276751","title":"Semiconductor device, inverter circuit, driving device, vehicle, and elevator","assignee":null,"inventors":[],"filing_date":"2020-02-21T00:00:00.000Z","publication_date":"2022-03-15T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":20,"abstract":"A semiconductor device of an embodiment includes a silicon carbide layer having first and second plane, the silicon carbide layer including trench having a first portion and a second portion, the second portion having a width smaller than the first portion, an n-type first silicon carbide region, a p-type second silicon carbide region between the first silicon carbide region and the first plane, a p-type third silicon carbide region between the second silicon carbide region and the first plane and having a p-type impurity concentration lower than the second silicon carbide region, an n-type fourth silicon carbide region between the third silicon carbide region and the first plane, and an n-type fifth silicon carbide region between the second portion and the second silicon carbide region and having an n-type impurity concentration higher than the first silicon carbide region; and a gate electrode in the trench."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device, inverter circuit, driving device, vehicle, and elevator","description":"A semiconductor device of an embodiment includes a silicon carbide layer having first and second plane, the silicon carbide layer including trench having a first portion and a second portion, the seco","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11276751","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-11276751","citation_suggestion":"Patentable. \"Semiconductor device, inverter circuit, driving device, vehicle, and elevator\" (US-11276751). https://patentable.app/patents/US-11276751","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11276751","json":"https://patentable.app/api/llm-context/US-11276751","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:54:13.284Z"}