{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9601619","patent":{"patent_number":"US-9601619","title":"MOS devices with non-uniform P-type impurity profile","assignee":null,"inventors":[],"filing_date":"2013-07-16T00:00:00.000Z","publication_date":"2017-03-21T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":20,"abstract":"An integrated circuit structure include a semiconductor substrate, a gate stack over the semiconductor substrate, and an opening extending into the semiconductor substrate, wherein the opening is adjacent to the gate stack. A silicon germanium region is disposed in the opening, wherein the silicon germanium region has a first p-type impurity concentration. A silicon cap substantially free from germanium is overlying the silicon germanium region. The silicon cap has a second p-type impurity concentration greater than the first p-type impurity concentration."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"MOS devices with non-uniform P-type impurity profile","description":"An integrated circuit structure include a semiconductor substrate, a gate stack over the semiconductor substrate, and an opening extending into the semiconductor substrate, wherein the opening is adja","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9601619","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-9601619","citation_suggestion":"Patentable. \"MOS devices with non-uniform P-type impurity profile\" (US-9601619). https://patentable.app/patents/US-9601619","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9601619","json":"https://patentable.app/api/llm-context/US-9601619","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:15:53.753Z"}