{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9646689","patent":{"patent_number":"US-9646689","title":"Refresh architecture and algorithm for non-volatile memories","assignee":null,"inventors":[],"filing_date":"2015-06-29T00:00:00.000Z","publication_date":"2017-05-09T00:00:00.000Z","cpc_codes":["G11C","G06F","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C"],"num_claims":20,"abstract":"Methods and systems to refresh a nonvolatile memory device, such as a phase change memory. In an embodiment, as a function of system state, a memory device performs either a first refresh of memory cells using a margined read reference level or a second refresh of error-corrected memory cells using a non-margined read reference level."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Refresh architecture and algorithm for non-volatile memories","description":"Methods and systems to refresh a nonvolatile memory device, such as a phase change memory. In an embodiment, as a function of system state, a memory device performs either a first refresh of memory ce","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9646689","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-9646689","citation_suggestion":"Patentable. \"Refresh architecture and algorithm for non-volatile memories\" (US-9646689). https://patentable.app/patents/US-9646689","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9646689","json":"https://patentable.app/api/llm-context/US-9646689","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T14:39:56.811Z"}