{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11306029","patent":{"patent_number":"US-11306029","title":"Alumina sintered body, method for manufacturing the same, and part for semiconductor manufacturing apparatus","assignee":null,"inventors":[],"filing_date":"2018-07-31T00:00:00.000Z","publication_date":"2022-04-19T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":14,"abstract":"An alumina sintered body comprising 0.01 to 1.0 mass % of one or more types selected from Ta, Nb, and V in terms of oxide thereof. The alumina sintered body may further comprise 0.01 to 1.0 mass % of Mg in terms of Mg oxide. It is particularly preferable that the alumina sintered body has an alumina purity of 99% or more. An alumina sintered body having low dielectric loss as compared with that in related art can therefore be produced at low cost."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Alumina sintered body, method for manufacturing the same, and part for semiconductor manufacturing apparatus","description":"An alumina sintered body comprising 0.01 to 1.0 mass % of one or more types selected from Ta, Nb, and V in terms of oxide thereof. The alumina sintered body may further comprise 0.01 to 1.0 mass % of ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11306029","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-11306029","citation_suggestion":"Patentable. \"Alumina sintered body, method for manufacturing the same, and part for semiconductor manufacturing apparatus\" (US-11306029). https://patentable.app/patents/US-11306029","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11306029","json":"https://patentable.app/api/llm-context/US-11306029","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:08:15.161Z"}