{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8507957","patent":{"patent_number":"US-8507957","title":"Integrated circuit layouts with power rails under bottom metal layer","assignee":null,"inventors":[],"filing_date":"2011-05-02T00:00:00.000Z","publication_date":"2013-08-13T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":18,"abstract":"A circuit includes a semiconductor substrate; a bottom metal layer over the semiconductor substrate, wherein no additional metal layer is between the semiconductor substrate and the bottom metal layer; and a cell including a plug-level power rail under the bottom metal layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Integrated circuit layouts with power rails under bottom metal layer","description":"A circuit includes a semiconductor substrate; a bottom metal layer over the semiconductor substrate, wherein no additional metal layer is between the semiconductor substrate and the bottom metal layer","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8507957","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-8507957","citation_suggestion":"Patentable. \"Integrated circuit layouts with power rails under bottom metal layer\" (US-8507957). https://patentable.app/patents/US-8507957","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8507957","json":"https://patentable.app/api/llm-context/US-8507957","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T11:10:19.668Z"}