{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11948894","patent":{"patent_number":"US-11948894","title":"Vertical memory devices","assignee":null,"inventors":[],"filing_date":"2020-12-07T00:00:00.000Z","publication_date":"2024-04-02T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":8,"abstract":"A semiconductor device includes a first stack of layers stacked on a substrate. The first stack of layers includes a source connection layer that is formed by replacing source sacrificial layers. The semiconductor device includes a channel structure that extends in the first stack of layers. The channel structure includes a channel layer that is in contact with the source connection layer in the first stack of layers. Further, the semiconductor device includes a shield structure formed in the first stack of layers. The shied structure encloses a stack of layers without the source connection layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Vertical memory devices","description":"A semiconductor device includes a first stack of layers stacked on a substrate. The first stack of layers includes a source connection layer that is formed by replacing source sacrificial layers. The ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11948894","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-11948894","citation_suggestion":"Patentable. \"Vertical memory devices\" (US-11948894). https://patentable.app/patents/US-11948894","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11948894","json":"https://patentable.app/api/llm-context/US-11948894","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T05:02:43.313Z"}