{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9705009","patent":{"patent_number":"US-9705009","title":"Semiconductor device","assignee":null,"inventors":[],"filing_date":"2013-09-04T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":13,"abstract":"According to one embodiment, a semiconductor device includes: a semiconductor layer of a first conductivity type, and the semiconductor layer having a first and a second surfaces; a first conductive layer penetrating from the first surface side to the second surface side of the semiconductor layer; a first semiconductor region of a first conductivity type surrounding part of the first conductive layer on the second surface side of the semiconductor layer, a portion other than a front surface of the first semiconductor region being surrounded by the semiconductor layer; and a first insulating film provided between the first conductive layer and the semiconductor layer and between the first conductive layer and the first semiconductor region, a concentration of an impurity element contained in the first semiconductor region being higher than a concentration of an impurity element contained in the semiconductor layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device","description":"According to one embodiment, a semiconductor device includes: a semiconductor layer of a first conductivity type, and the semiconductor layer having a first and a second surfaces; a first conductive l","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9705009","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-9705009","citation_suggestion":"Patentable. \"Semiconductor device\" (US-9705009). https://patentable.app/patents/US-9705009","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9705009","json":"https://patentable.app/api/llm-context/US-9705009","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:16:23.727Z"}