{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11257818","patent":{"patent_number":"US-11257818","title":"Fin-based field effect transistors","assignee":null,"inventors":[],"filing_date":"2019-03-14T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L"],"num_claims":20,"abstract":"The present disclosure describes a semiconductor structure that includes a substrate from an undoped semiconductor material and a fin disposed on the substrate. The fin includes a non-polar top surface and two opposing first and second polar sidewall surfaces. The semiconductor structure further includes a polarization layer on the first polar sidewall surface, a doped semiconductor layer on the polarization layer, a dielectric layer on the doped semiconductor layer and on the second polar sidewall surface, and a gate electrode layer on the dielectric layer and the first polarized sidewall surface."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Fin-based field effect transistors","description":"The present disclosure describes a semiconductor structure that includes a substrate from an undoped semiconductor material and a fin disposed on the substrate. The fin includes a non-polar top surfac","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11257818","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-11257818","citation_suggestion":"Patentable. \"Fin-based field effect transistors\" (US-11257818). https://patentable.app/patents/US-11257818","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11257818","json":"https://patentable.app/api/llm-context/US-11257818","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T06:23:30.726Z"}