{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9633944","patent":{"patent_number":"US-9633944","title":"Semiconductor device and manufacturing method thereof","assignee":null,"inventors":[],"filing_date":"2015-09-10T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":19,"abstract":"A semiconductor device and a manufacturing method thereof are provided. A semiconductor device includes a stack structure including conductive layers stacked in a step shape, a first interlayer insulating layer formed over the stack structure, the first interlayer insulating layer including contact holes with a uniform depth, which expose the conductive layers, lower contact plugs formed in the contact holes, the lower contact plugs being respectively contacted with the conductive layers, and lower contact pads respectively connected to the contact plugs."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device and manufacturing method thereof","description":"A semiconductor device and a manufacturing method thereof are provided. A semiconductor device includes a stack structure including conductive layers stacked in a step shape, a first interlayer insula","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9633944","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-9633944","citation_suggestion":"Patentable. \"Semiconductor device and manufacturing method thereof\" (US-9633944). https://patentable.app/patents/US-9633944","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9633944","json":"https://patentable.app/api/llm-context/US-9633944","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:56:18.340Z"}