{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9633731","patent":{"patent_number":"US-9633731","title":"Semiconductor memory device including three-dimensional array structure","assignee":null,"inventors":[],"filing_date":"2016-03-11T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C"],"num_claims":9,"abstract":"A semiconductor memory device may include source selection transistors coupled to a common source line, source side dummy memory cells coupled between the source selection transistors and the normal memory cells, and drain selection transistors coupled to a bit line. The semiconductor memory device may include drain side dummy memory cells coupled between the drain selection transistors and the normal memory cells. A number of the source side dummy memory cells is less than a number of the drain side dummy memory cells, and a number of the drain selection transistors may be greater than the source selection transistors."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor memory device including three-dimensional array structure","description":"A semiconductor memory device may include source selection transistors coupled to a common source line, source side dummy memory cells coupled between the source selection transistors and the normal m","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9633731","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-9633731","citation_suggestion":"Patentable. \"Semiconductor memory device including three-dimensional array structure\" (US-9633731). https://patentable.app/patents/US-9633731","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9633731","json":"https://patentable.app/api/llm-context/US-9633731","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:58:57.907Z"}