{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11282928","patent":{"patent_number":"US-11282928","title":"Semiconductor devices","assignee":null,"inventors":[],"filing_date":"2020-05-14T00:00:00.000Z","publication_date":"2022-03-22T00:00:00.000Z","cpc_codes":["B82Y","H01L"],"num_claims":15,"abstract":"A semiconductor device including an active structure on a substrate, the active structure including silicon germanium patterns and silicon patterns alternately and repeatedly stacked in a vertical direction perpendicular to an upper surface of the substrate; a semiconductor layer on sidewalls of the active structure that face in a first direction parallel to the upper surface of the substrate, the semiconductor layer being a source/drain region; and a gate structure on a surface of the active structure and the substrate, the gate structure extending in a second direction that is perpendicular to the first direction, wherein the silicon germanium patterns are silicon rich-silicon germanium."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor devices","description":"A semiconductor device including an active structure on a substrate, the active structure including silicon germanium patterns and silicon patterns alternately and repeatedly stacked in a vertical dir","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11282928","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-11282928","citation_suggestion":"Patentable. \"Semiconductor devices\" (US-11282928). https://patentable.app/patents/US-11282928","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11282928","json":"https://patentable.app/api/llm-context/US-11282928","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:11:15.697Z"}