{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9640429","patent":{"patent_number":"US-9640429","title":"Method of fabricating semiconductor device","assignee":null,"inventors":[],"filing_date":"2016-02-25T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":8,"abstract":"A method of fabricating a semiconductor device includes: forming a metal layer containing Al; forming an insulating film on the metal layer; forming an opening pattern to the insulating film, the metal layer being exposed in the opening pattern; and forming a wiring layer in the opening pattern, a first portion being disposed between an edge of the wiring layer and an edge of the opening pattern, a width of the first portion being 1 μm or less, and the metal layer being exposed in the first portion."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of fabricating semiconductor device","description":"A method of fabricating a semiconductor device includes: forming a metal layer containing Al; forming an insulating film on the metal layer; forming an opening pattern to the insulating film, the meta","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9640429","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-9640429","citation_suggestion":"Patentable. \"Method of fabricating semiconductor device\" (US-9640429). https://patentable.app/patents/US-9640429","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9640429","json":"https://patentable.app/api/llm-context/US-9640429","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:20:52.944Z"}