{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9748370","patent":{"patent_number":"US-9748370","title":"Trench MOS semiconductor device","assignee":null,"inventors":[],"filing_date":"2015-02-13T00:00:00.000Z","publication_date":"2017-08-29T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":10,"abstract":"To prevent a malfunction of an overcurrent protection circuit without increasing an on-voltage, and to suppress a short circuit capacity, thus further reducing a switching loss, a trench gate IGBT is provided in which is incorporated a sense IGBT connected in parallel to a main IGBT, where only the sense IGBT portion includes a p-type channel region all over in a semiconductor substrate between adjacent parallel striped trenches, so that the capacitance of the MOS gate of the sense IGBT is smaller than the capacitance of the MOS gate of the main IGBT."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Trench MOS semiconductor device","description":"To prevent a malfunction of an overcurrent protection circuit without increasing an on-voltage, and to suppress a short circuit capacity, thus further reducing a switching loss, a trench gate IGBT is ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9748370","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-9748370","citation_suggestion":"Patentable. \"Trench MOS semiconductor device\" (US-9748370). https://patentable.app/patents/US-9748370","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9748370","json":"https://patentable.app/api/llm-context/US-9748370","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:15:24.568Z"}