{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10490564","patent":{"patent_number":"US-10490564","title":"Three-dimensional memory device and methods of making the same using replacement drain select gate electrodes","assignee":null,"inventors":[],"filing_date":"2018-06-29T00:00:00.000Z","publication_date":"2019-11-26T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":12,"abstract":"A method of forming a three-dimensional memory device includes forming an alternating stack of insulating layers and sacrificial material layers over a substrate, forming a patterned template structure around memory openings in a drain-select-level above the alternating stack, forming drain-select-level isolation structures in trenches in the patterned template structure, forming memory stack structures in the memory openings extending through the alternating stack, where each of the memory stack structures includes a memory film and a vertical semiconductor channel, replacing the sacrificial material layers with word lines, and separately replacing the patterned template structure with a drain select gate electrode."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Three-dimensional memory device and methods of making the same using replacement drain select gate electrodes","description":"A method of forming a three-dimensional memory device includes forming an alternating stack of insulating layers and sacrificial material layers over a substrate, forming a patterned template structur","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10490564","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-10490564","citation_suggestion":"Patentable. \"Three-dimensional memory device and methods of making the same using replacement drain select gate electrodes\" (US-10490564). https://patentable.app/patents/US-10490564","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10490564","json":"https://patentable.app/api/llm-context/US-10490564","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:43:17.162Z"}