{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9703494","patent":{"patent_number":"US-9703494","title":"Method and apparatus for protecting lower page data during programming in NAND flash","assignee":null,"inventors":[],"filing_date":"2016-09-26T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C"],"num_claims":20,"abstract":"In one embodiment, an apparatus comprises a storage device comprising a NAND flash memory. The storage device is to store a first page of data in a plurality of cells of the NAND flash memory in a first programming pass; and preserve the readability of the first page of data in the plurality of cells during a subsequent programming pass comprising a plurality of program loops, at least one of the plurality of program loops to comprise application of a first voltage to a first group of cells of the plurality of cells and application of a second voltage to a second group of cells of the plurality of cells, wherein the first group comprises cells that were not programmed in the first programming pass and the second group comprises cells that were programmed in the first programming pass."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for protecting lower page data during programming in NAND flash","description":"In one embodiment, an apparatus comprises a storage device comprising a NAND flash memory. The storage device is to store a first page of data in a plurality of cells of the NAND flash memory in a fir","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9703494","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-9703494","citation_suggestion":"Patentable. \"Method and apparatus for protecting lower page data during programming in NAND flash\" (US-9703494). https://patentable.app/patents/US-9703494","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9703494","json":"https://patentable.app/api/llm-context/US-9703494","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:59:44.194Z"}