{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11495615","patent":{"patent_number":"US-11495615","title":"Three-dimensional semiconductor memory device","assignee":null,"inventors":[],"filing_date":"2020-09-01T00:00:00.000Z","publication_date":"2022-11-08T00:00:00.000Z","cpc_codes":["G11C","G11C"],"num_claims":20,"abstract":"Disclosed is a three-dimensional semiconductor memory device comprising a substrate including a cell region and a connection region, a plurality of inter-electrode dielectric layers and a plurality of electrode layers alternately stacked on the substrate, wherein ends of the plurality of electrode layers form a stepwise shape on the connection region, a planarized dielectric layer on the connection region and covering the ends of the plurality of electrode layers, and a first abnormal dummy vertical pattern on the connection region and penetrating the planarized dielectric layer in a first direction perpendicular to a top surface of the substrate. At least one of the plurality of electrode layers is positioned between the first abnormal dummy vertical pattern and the substrate and is insulated from the first abnormal dummy vertical pattern."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Three-dimensional semiconductor memory device","description":"Disclosed is a three-dimensional semiconductor memory device comprising a substrate including a cell region and a connection region, a plurality of inter-electrode dielectric layers and a plurality of","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11495615","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-11495615","citation_suggestion":"Patentable. \"Three-dimensional semiconductor memory device\" (US-11495615). https://patentable.app/patents/US-11495615","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11495615","json":"https://patentable.app/api/llm-context/US-11495615","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:59:20.204Z"}