{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9741439","patent":{"patent_number":"US-9741439","title":"Non-volatile semiconductor memory device","assignee":null,"inventors":[],"filing_date":"2016-08-03T00:00:00.000Z","publication_date":"2017-08-22T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C"],"num_claims":6,"abstract":"According to one embodiment, a non-volatile semiconductor memory device comprises a memory cell array and a memory region. The memory cell array has a plurality of physical blocks. Each of the plurality of physical blocks includes a plurality of string units. Each string unit has a plurality of NAND strings that shares a plurality of word lines connected to a plurality of memory cells, respectively. The memory region is disposed to one of the plurality of physical blocks. Each of the plurality of string units configures a first logical block, and when the first logical block is failed, information of the first failed logical block is stored in a first region of the memory region."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Non-volatile semiconductor memory device","description":"According to one embodiment, a non-volatile semiconductor memory device comprises a memory cell array and a memory region. The memory cell array has a plurality of physical blocks. Each of the plurali","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9741439","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-9741439","citation_suggestion":"Patentable. \"Non-volatile semiconductor memory device\" (US-9741439). https://patentable.app/patents/US-9741439","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9741439","json":"https://patentable.app/api/llm-context/US-9741439","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:47:49.410Z"}