{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11257928","patent":{"patent_number":"US-11257928","title":"Method for epitaxial growth and device","assignee":null,"inventors":[],"filing_date":"2019-11-13T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":20,"abstract":"A semiconductor device includes first and second semiconductor fins extending from a substrate and a source/drain region epitaxially grown in recesses of the first and second semiconductor fins. A top surface of the source/drain region is higher than a surface level with top surfaces of the first and second semiconductor fins. The source/drain region includes a plurality of buffer layers. Respective layers of the plurality of buffer layers are embedded between respective layers of the source/drain region. Each of the plurality of buffer layers may have an average thickness in a range of about 2 Å to about 30 Å."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for epitaxial growth and device","description":"A semiconductor device includes first and second semiconductor fins extending from a substrate and a source/drain region epitaxially grown in recesses of the first and second semiconductor fins. A top","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11257928","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-11257928","citation_suggestion":"Patentable. \"Method for epitaxial growth and device\" (US-11257928). https://patentable.app/patents/US-11257928","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11257928","json":"https://patentable.app/api/llm-context/US-11257928","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T09:36:16.975Z"}