{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11512023","patent":{"patent_number":"US-11512023","title":"Silicon nitride substrate and silicon nitride circuit board","assignee":null,"inventors":[],"filing_date":"2020-12-11T00:00:00.000Z","publication_date":"2022-11-29T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":17,"abstract":"In a silicon nitride substrate including a silicon nitride sintered body including silicon nitride crystal grains and a grain boundary phase, a plate thickness of the silicon nitride substrate is 0.4 mm or les, and a percentage of a number of the silicon nitride crystal grains including dislocation defect portions inside the silicon nitride crystal grains in a 50 μm×50 μm observation region of any cross section or surface of the silicon nitride sintered body is not less than 0% and not more than 20%. Etching resistance can be increased when forming the circuit board."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Silicon nitride substrate and silicon nitride circuit board","description":"In a silicon nitride substrate including a silicon nitride sintered body including silicon nitride crystal grains and a grain boundary phase, a plate thickness of the silicon nitride substrate is 0.4 ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11512023","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-11512023","citation_suggestion":"Patentable. \"Silicon nitride substrate and silicon nitride circuit board\" (US-11512023). https://patentable.app/patents/US-11512023","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11512023","json":"https://patentable.app/api/llm-context/US-11512023","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:35:21.537Z"}