{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10483359","patent":{"patent_number":"US-10483359","title":"Method of fabricating a power semiconductor device","assignee":null,"inventors":[],"filing_date":"2017-07-28T00:00:00.000Z","publication_date":"2019-11-19T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L"],"num_claims":8,"abstract":"Disclosed is a power device, such as power MOSFET, and method for fabricating same. The device includes an upper trench situated over a lower trench, where the upper trench is wider than the lower trench. The device further includes a trench dielectric inside the lower trench and on sidewalls of the upper trench. The device also includes an electrode situated within the trench dielectric. The trench dielectric of the device has a bottom thickness that is greater than a sidewall thickness."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of fabricating a power semiconductor device","description":"Disclosed is a power device, such as power MOSFET, and method for fabricating same. The device includes an upper trench situated over a lower trench, where the upper trench is wider than the lower tre","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10483359","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-10483359","citation_suggestion":"Patentable. \"Method of fabricating a power semiconductor device\" (US-10483359). https://patentable.app/patents/US-10483359","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10483359","json":"https://patentable.app/api/llm-context/US-10483359","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:01:22.967Z"}