{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9620511","patent":{"patent_number":"US-9620511","title":"Vertical semiconductor device","assignee":null,"inventors":[],"filing_date":"2014-05-02T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":16,"abstract":"A vertical semiconductor device includes a channel structure extending from a substrate in a first direction perpendicular to an upper surface of the substrate, and a ground selection line, word lines, and a string selection line sequentially formed on a side surface of the channel structure in the first direction to be separated from one another. The channel structure includes a protruding region formed in a side wall portion of the channel structure between the ground selection line and the upper surface of the substrate, the protruding region protruding in a horizontal direction perpendicular to the first direction."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Vertical semiconductor device","description":"A vertical semiconductor device includes a channel structure extending from a substrate in a first direction perpendicular to an upper surface of the substrate, and a ground selection line, word lines","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9620511","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-9620511","citation_suggestion":"Patentable. \"Vertical semiconductor device\" (US-9620511). https://patentable.app/patents/US-9620511","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9620511","json":"https://patentable.app/api/llm-context/US-9620511","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:36:52.903Z"}