{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9691490","patent":{"patent_number":"US-9691490","title":"Semiconductor memory device including dummy memory cells and memory system including the same","assignee":null,"inventors":[],"filing_date":"2014-08-04T00:00:00.000Z","publication_date":"2017-06-27T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C","G11C"],"num_claims":15,"abstract":"The semiconductor memory device includes a memory cell array including a first plurality of normal memory cells and a second plurality of dummy memory cells in a stacked configuration over a substrate, a first plurality of normal word lines electrically coupled to the first plurality of normal memory cells, and a second plurality of dummy word lines electrically coupled to the second plurality of dummy memory cells, wherein the first plurality of normal memory cells includes at least one bad memory cell and each of the at least one bad memory cells are is replaced with a dummy memory cell from among the second plurality of dummy memory cells."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor memory device including dummy memory cells and memory system including the same","description":"The semiconductor memory device includes a memory cell array including a first plurality of normal memory cells and a second plurality of dummy memory cells in a stacked configuration over a substrate","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9691490","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-9691490","citation_suggestion":"Patentable. \"Semiconductor memory device including dummy memory cells and memory system including the same\" (US-9691490). https://patentable.app/patents/US-9691490","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9691490","json":"https://patentable.app/api/llm-context/US-9691490","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T14:41:40.514Z"}