{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11462558","patent":{"patent_number":"US-11462558","title":"Staircase structure with multiple divisions for three-dimensional memory","assignee":null,"inventors":[],"filing_date":"2019-05-24T00:00:00.000Z","publication_date":"2022-10-04T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":12,"abstract":"Embodiments of staircase structures of a three-dimensional memory device and fabrication method thereof are disclosed. The semiconductor structure includes a first and a second film stacks, wherein the first film stack is disposed over the second film stack and has M1 number of layers. The second film stack has M2 number of layers. M1 and M2 are whole numbers. The semiconductor structure also includes a first and a second staircase structures, wherein the first staircase structure is formed in the first film stack and the second staircase structure is formed in the second film stack. The first and second staircase structures are next to each other with an offset."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Staircase structure with multiple divisions for three-dimensional memory","description":"Embodiments of staircase structures of a three-dimensional memory device and fabrication method thereof are disclosed. The semiconductor structure includes a first and a second film stacks, wherein th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11462558","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-11462558","citation_suggestion":"Patentable. \"Staircase structure with multiple divisions for three-dimensional memory\" (US-11462558). https://patentable.app/patents/US-11462558","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11462558","json":"https://patentable.app/api/llm-context/US-11462558","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:52:06.990Z"}