{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9620644","patent":{"patent_number":"US-9620644","title":"Composite spacer enabling uniform doping in recessed fin devices","assignee":null,"inventors":[],"filing_date":"2015-09-02T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":14,"abstract":"A semiconductor device that includes at least one fin structure and a gate structure present on a channel portion of the fin structure. An epitaxial semiconductor material is present on at least one of a source region portion and a drain region portion on the fin structure. The epitaxial semiconductor material includes a first portion having a substantially conformal thickness on a lower portion of the fin structure sidewall and a second portion having a substantially diamond shape that is present on an upper surface of the source portion and drain portion of the fin structure. A spacer present on first portion of the epitaxial semiconductor material."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Composite spacer enabling uniform doping in recessed fin devices","description":"A semiconductor device that includes at least one fin structure and a gate structure present on a channel portion of the fin structure. An epitaxial semiconductor material is present on at least one o","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9620644","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-9620644","citation_suggestion":"Patentable. \"Composite spacer enabling uniform doping in recessed fin devices\" (US-9620644). https://patentable.app/patents/US-9620644","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9620644","json":"https://patentable.app/api/llm-context/US-9620644","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:09:20.871Z"}