{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10483347","patent":{"patent_number":"US-10483347","title":"Semiconductor device, starter circuit, and switched-mode power-supply circuit","assignee":null,"inventors":[],"filing_date":"2018-07-26T00:00:00.000Z","publication_date":"2019-11-19T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M"],"num_claims":16,"abstract":"A semiconductor device includes a p-type semiconductor substrate; an n-type drift layer on the substrate; an n-type drain region in contact with the drift layer to be provided on the semiconductor substrate at a center of the drift layer; a p-type gate region on the substrate in an outer side of the drift layer, the gate region including U-shaped first and second concave patterns in a planar pattern, each having entrances of the U-shapes located with equal distances from the drain region, the bottoms of the U-shapes protruding toward an outer side of the planar pattern; n-type source regions in an inner side of the first concave patterns, each of the source regions contacts with the drift layer and the gate region; and n-type surge-current guiding-regions in an inner side of the second concave patterns, each of the surge-current guiding-regions contacts with the drift layer and the gate region."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device, starter circuit, and switched-mode power-supply circuit","description":"A semiconductor device includes a p-type semiconductor substrate; an n-type drift layer on the substrate; an n-type drain region in contact with the drift layer to be provided on the semiconductor sub","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10483347","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-10483347","citation_suggestion":"Patentable. \"Semiconductor device, starter circuit, and switched-mode power-supply circuit\" (US-10483347). https://patentable.app/patents/US-10483347","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10483347","json":"https://patentable.app/api/llm-context/US-10483347","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:38:51.713Z"}