{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9672931","patent":{"patent_number":"US-9672931","title":"Non-volatile memory device, memory system, and methods of operating the device and system","assignee":null,"inventors":[],"filing_date":"2016-01-14T00:00:00.000Z","publication_date":"2017-06-06T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C"],"num_claims":20,"abstract":"Provided is a method of operating a non-volatile memory device including a plurality of strings, each string including a plurality of memory cells vertically stacked on a substrate. The method includes performing an erase operation on memory cells corresponding to a plurality of string selection lines, performing an erase verification operation on first strings connected to a first string selection line from among the plurality of string selection lines, storing fail column information corresponding to a first fail string, which is erase-failed, from among the first strings, and performing an erase verification operation on second strings connected to a second string selection line from among the plurality of string selection lines, when the first strings are erase-passed."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Non-volatile memory device, memory system, and methods of operating the device and system","description":"Provided is a method of operating a non-volatile memory device including a plurality of strings, each string including a plurality of memory cells vertically stacked on a substrate. The method include","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9672931","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-9672931","citation_suggestion":"Patentable. \"Non-volatile memory device, memory system, and methods of operating the device and system\" (US-9672931). https://patentable.app/patents/US-9672931","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9672931","json":"https://patentable.app/api/llm-context/US-9672931","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:41:25.069Z"}