{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9620221","patent":{"patent_number":"US-9620221","title":"Semiconductor memory device and operating method thereof","assignee":null,"inventors":[],"filing_date":"2016-04-28T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C"],"num_claims":20,"abstract":"There may be provided a semiconductor memory device and an operating method thereof. A semiconductor memory device may include a memory cell array including a plurality of memory strings. The semiconductor memory device may include a peripheral circuit for performing a program operation on the plurality of memory strings, and a control logic for controlling the peripheral circuit to perform the program operation. The control logic may control the peripheral circuit to adjust potential levels of program permission voltages to be applied to the plurality of memory strings according to arrangement positions of the memory strings."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor memory device and operating method thereof","description":"There may be provided a semiconductor memory device and an operating method thereof. A semiconductor memory device may include a memory cell array including a plurality of memory strings. The semicond","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9620221","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-9620221","citation_suggestion":"Patentable. \"Semiconductor memory device and operating method thereof\" (US-9620221). https://patentable.app/patents/US-9620221","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9620221","json":"https://patentable.app/api/llm-context/US-9620221","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:20:43.046Z"}