{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10490498","patent":{"patent_number":"US-10490498","title":"Three-dimensional semiconductor device with isolated dummy pattern","assignee":null,"inventors":[],"filing_date":"2017-04-13T00:00:00.000Z","publication_date":"2019-11-26T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":19,"abstract":"A three-dimensional (3D) semiconductor device is provided, comprising: a substrate having a first area and a second area, and the second area adjacent to and surrounding the first area (i.e. active area), wherein an array pattern is formed in the first area; a stack structure having multi-layers formed above the substrate, and the multi-layers comprising active layers (ex: conductive layers) alternating with insulating layers above the substrate. The stack structure comprises first sub-stacks related to the array pattern in the first area; and second sub-stacks separately disposed in the second area, and the second sub-stacks configured as first dummy islands surrounding the first sub-stacks of the array pattern."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Three-dimensional semiconductor device with isolated dummy pattern","description":"A three-dimensional (3D) semiconductor device is provided, comprising: a substrate having a first area and a second area, and the second area adjacent to and surrounding the first area (i.e. active ar","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10490498","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-10490498","citation_suggestion":"Patentable. \"Three-dimensional semiconductor device with isolated dummy pattern\" (US-10490498). https://patentable.app/patents/US-10490498","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10490498","json":"https://patentable.app/api/llm-context/US-10490498","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:41:06.744Z"}