{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9613896","patent":{"patent_number":"US-9613896","title":"Semiconductor memory device with conductive columnar body","assignee":null,"inventors":[],"filing_date":"2015-06-04T00:00:00.000Z","publication_date":"2017-04-04T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":15,"abstract":"A semiconductor memory device according to an embodiment comprises: when three directions intersecting each other are assumed to be first through third directions, and two directions intersecting each other in a plane extending in the first and second directions are assumed to be fourth and fifth directions, a memory cell array including: a conductive layer stacked in the third direction above a semiconductor substrate and having a first region; and a first columnar body penetrating the first region of the conductive layer in the third direction and including a semiconductor film, the first columnar body having a cross-section along the first and second directions in which, at a first position which is a certain position in the third direction, a length in the fourth direction is shorter than a length in the fifth direction."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor memory device with conductive columnar body","description":"A semiconductor memory device according to an embodiment comprises: when three directions intersecting each other are assumed to be first through third directions, and two directions intersecting each","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9613896","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-9613896","citation_suggestion":"Patentable. \"Semiconductor memory device with conductive columnar body\" (US-9613896). https://patentable.app/patents/US-9613896","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9613896","json":"https://patentable.app/api/llm-context/US-9613896","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:16:09.348Z"}