{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11239164","patent":{"patent_number":"US-11239164","title":"Semiconductor device with metal plug having rounded top surface","assignee":null,"inventors":[],"filing_date":"2020-02-26T00:00:00.000Z","publication_date":"2022-02-01T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":13,"abstract":"A semiconductor device includes a first metal plug and an etch stop layer disposed over a semiconductor substrate. The first metal plug has an upper portion protruding from a top surface of the etch stop layer, and a top surface of the upper portion is rounded. The semiconductor device also includes a second metal plug disposed over the first metal plug. The second metal plug is in direct contact with a first sidewall of the upper portion of the first metal plug and the top surface of the etch stop layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device with metal plug having rounded top surface","description":"A semiconductor device includes a first metal plug and an etch stop layer disposed over a semiconductor substrate. The first metal plug has an upper portion protruding from a top surface of the etch s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11239164","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-11239164","citation_suggestion":"Patentable. \"Semiconductor device with metal plug having rounded top surface\" (US-11239164). https://patentable.app/patents/US-11239164","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11239164","json":"https://patentable.app/api/llm-context/US-11239164","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T21:45:33.565Z"}