{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11239318","patent":{"patent_number":"US-11239318","title":"High-voltage drain expended MOS transistor","assignee":null,"inventors":[],"filing_date":"2020-04-13T00:00:00.000Z","publication_date":"2022-02-01T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":27,"abstract":"A semiconductor device includes a MOS transistor located within a semiconductor substrate of a first conductivity type. The transistor includes a body well located between a drain well and a substrate contact well. A buried voltage blocking region of a second conductivity type is located within the substrate and is connected to the body well. The buried voltage blocking region extends toward the substrate contact well, with an unmodified portion of the substrate remaining between the voltage blocking region and the substrate contact well."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"High-voltage drain expended MOS transistor","description":"A semiconductor device includes a MOS transistor located within a semiconductor substrate of a first conductivity type. The transistor includes a body well located between a drain well and a substrate","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11239318","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-11239318","citation_suggestion":"Patentable. \"High-voltage drain expended MOS transistor\" (US-11239318). https://patentable.app/patents/US-11239318","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11239318","json":"https://patentable.app/api/llm-context/US-11239318","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:52:29.531Z"}