{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11276707","patent":{"patent_number":"US-11276707","title":"Semiconductor memory device and method for manufacturing semiconductor memory device","assignee":null,"inventors":[],"filing_date":"2020-03-10T00:00:00.000Z","publication_date":"2022-03-15T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":12,"abstract":"According to one embodiment, a semiconductor memory device includes a stacked body disposed in a first tier, the stacked body including a plurality of conductive layers stacked via an insulating layer; a first pillar that extends in the stacked body in a stacking direction of the stacked body; a first upper structure disposed in a second tier upper than the first tier; and a misalignment mark for inspecting misalignment between the first tier and the second tier, wherein the misalignment mark includes a second pillar that extends the first tier of the misalignment inspection region in the stacking direction, and a second upper structure disposed in the second tier of the misalignment inspection region and superposed on the second pillar in a top view."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor memory device and method for manufacturing semiconductor memory device","description":"According to one embodiment, a semiconductor memory device includes a stacked body disposed in a first tier, the stacked body including a plurality of conductive layers stacked via an insulating layer","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11276707","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-11276707","citation_suggestion":"Patentable. \"Semiconductor memory device and method for manufacturing semiconductor memory device\" (US-11276707). https://patentable.app/patents/US-11276707","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11276707","json":"https://patentable.app/api/llm-context/US-11276707","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T09:15:19.201Z"}