{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11942421","patent":{"patent_number":"US-11942421","title":"Semiconductor memory device","assignee":null,"inventors":[],"filing_date":"2022-08-03T00:00:00.000Z","publication_date":"2024-03-26T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":3,"abstract":"A semiconductor memory device includes a semiconductor substrate, a memory cell array, and first and second wirings. The semiconductor substrate includes first region to third region and fourth region to sixth region. The memory cell array includes first conducting layers extending in a second direction from the first region to the third region and laminated in a first direction, first and second semiconductor layers disposed in the first and third regions, extending in the first direction, and opposed to the first conducting layers, first and second contacts disposed in the fourth and sixth regions and extending in the first direction, and a third semiconductor layer disposed in the fifth region and extending in the first direction. The first wiring is connected to the first semiconductor layer and the second contact. The second wiring is connected to the second semiconductor layer and the third contact."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor memory device","description":"A semiconductor memory device includes a semiconductor substrate, a memory cell array, and first and second wirings. The semiconductor substrate includes first region to third region and fourth region","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11942421","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-11942421","citation_suggestion":"Patentable. \"Semiconductor memory device\" (US-11942421). https://patentable.app/patents/US-11942421","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11942421","json":"https://patentable.app/api/llm-context/US-11942421","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T02:41:46.312Z"}