{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10535605","patent":{"patent_number":"US-10535605","title":"Semiconductor memory device","assignee":null,"inventors":[],"filing_date":"2017-10-12T00:00:00.000Z","publication_date":"2020-01-14T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L"],"num_claims":18,"abstract":"A semiconductor memory device includes word lines extending in a first direction on a semiconductor substrate, bit line structures crossing over the word lines and extending in a second direction intersecting the first direction, and contact pad structures between the word lines and between the bit line structures in plan view. A spacer structure extends between the bit line structures and the contact pad structures. The spacer structure includes a first air gap extending in the second direction along sidewalls of the bit line structures and a second air gap surrounding each of the contact pad structures and coupled to the first air gap."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor memory device","description":"A semiconductor memory device includes word lines extending in a first direction on a semiconductor substrate, bit line structures crossing over the word lines and extending in a second direction inte","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10535605","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-10535605","citation_suggestion":"Patentable. \"Semiconductor memory device\" (US-10535605). https://patentable.app/patents/US-10535605","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10535605","json":"https://patentable.app/api/llm-context/US-10535605","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:05:06.008Z"}