{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11978515","patent":{"patent_number":"US-11978515","title":"Semiconductor memory device and reading method","assignee":null,"inventors":[],"filing_date":"2021-02-19T00:00:00.000Z","publication_date":"2024-05-07T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C"],"num_claims":13,"abstract":"A semiconductor memory device capable of reducing failure caused by a source side effect after a large number of W/E cycles is provided. A reading method of a NAND flash memory includes: dividing multiple word lines connected to each memory cell of a NAND string into a group 1 of word lines WL0 to WLi−1, a group 2 of word lines WLi to WLj, . . . , a group y of word lines WLj+1 to WLk−1, and a group x of word lines WLk to WLn, presetting a relationship that each readout voltage (Vread1, Vread2, . . . , Vready, and Vreadx) corresponding to each group increases toward a bit line side, and applying a readout voltage to a selected word line according to the relationship."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor memory device and reading method","description":"A semiconductor memory device capable of reducing failure caused by a source side effect after a large number of W/E cycles is provided. A reading method of a NAND flash memory includes: dividing mult","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11978515","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-11978515","citation_suggestion":"Patentable. \"Semiconductor memory device and reading method\" (US-11978515). https://patentable.app/patents/US-11978515","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11978515","json":"https://patentable.app/api/llm-context/US-11978515","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T10:39:20.870Z"}