{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9673282","patent":{"patent_number":"US-9673282","title":"Handle substrates of composite substrates for semiconductors, and composite substrates for semiconductors","assignee":null,"inventors":[],"filing_date":"2015-08-26T00:00:00.000Z","publication_date":"2017-06-06T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":2,"abstract":"A handle substrate of a composite substrate for a semiconductor is provided. The handle substrate is composed of polycrystalline alumina. The handle substrate includes an outer peripheral edge part with an average grain size of 20 to 55 μm and a central part with an average grain size of 10 to 50 μm. The average grain size of the outer peripheral edge part is 1.1 times or more and 3.0 times or less of that of the central part of the handle substrate."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Handle substrates of composite substrates for semiconductors, and composite substrates for semiconductors","description":"A handle substrate of a composite substrate for a semiconductor is provided. The handle substrate is composed of polycrystalline alumina. The handle substrate includes an outer peripheral edge part wi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9673282","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-9673282","citation_suggestion":"Patentable. \"Handle substrates of composite substrates for semiconductors, and composite substrates for semiconductors\" (US-9673282). https://patentable.app/patents/US-9673282","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9673282","json":"https://patentable.app/api/llm-context/US-9673282","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:14:23.217Z"}