{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8487442","patent":{"patent_number":"US-8487442","title":"Semiconductor device having dual damascene structure","assignee":null,"inventors":[],"filing_date":"2011-03-23T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":12,"abstract":"A semiconductor device, includes a semiconductor substrate, a first wiring layer formed on the semiconductor substrate, the first wiring layer containing a first via having a first aspect ratio and a first wire having a second aspect ratio, the first aspect ratio being equal to or larger than the second aspect ratio, and a second wiring layer overlying the first wiring layer, the second wiring layer containing a second via having a third aspect ratio and a second wire having a fourth aspect ratio, the third aspect ratio being smaller than the fourth aspect ratio."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device having dual damascene structure","description":"A semiconductor device, includes a semiconductor substrate, a first wiring layer formed on the semiconductor substrate, the first wiring layer containing a first via having a first aspect ratio and a ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8487442","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-8487442","citation_suggestion":"Patentable. \"Semiconductor device having dual damascene structure\" (US-8487442). https://patentable.app/patents/US-8487442","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8487442","json":"https://patentable.app/api/llm-context/US-8487442","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:31:19.065Z"}