{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9741843","patent":{"patent_number":"US-9741843","title":"Semiconductor device","assignee":null,"inventors":[],"filing_date":"2015-12-08T00:00:00.000Z","publication_date":"2017-08-22T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":17,"abstract":"A semiconductor device in which current sensing accuracy is maintained while ruggedness of a current sensing region is improved. The semiconductor device includes a semiconductor substrate; a main element provided on the semiconductor substrate and having a first trench gate structure including a first trench disposed on a first main surface side of the semiconductor substrate; a gate insulating film disposed along an inner wall of the first trench; and a gate electrode disposed inside the first trench; and a current detecting element for detecting a current flowing into the semiconductor substrate when the main element is operating provided on the semiconductor substrate and having a second trench gate structure including a second trench disposed on the first main surface side of the semiconductor substrate; the gate insulating film disposed along an inner wall of the second trench; and the gate electrode disposed inside the second trench."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device","description":"A semiconductor device in which current sensing accuracy is maintained while ruggedness of a current sensing region is improved. The semiconductor device includes a semiconductor substrate; a main ele","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9741843","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-9741843","citation_suggestion":"Patentable. \"Semiconductor device\" (US-9741843). https://patentable.app/patents/US-9741843","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9741843","json":"https://patentable.app/api/llm-context/US-9741843","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:32:34.585Z"}