{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9607647","patent":{"patent_number":"US-9607647","title":"Magnetic-disk glass substrate and magnetic disk","assignee":null,"inventors":[],"filing_date":"2013-09-30T00:00:00.000Z","publication_date":"2017-03-28T00:00:00.000Z","cpc_codes":["G11B","G11B"],"num_claims":10,"abstract":"A magnetic-disk glass substrate of the present invention has a pair of main surfaces, and an arithmetic mean roughness (Ra) for wavelength components of 10 to 50 nm of the surface of the main surfaces is 0.15 nm or less."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Magnetic-disk glass substrate and magnetic disk","description":"A magnetic-disk glass substrate of the present invention has a pair of main surfaces, and an arithmetic mean roughness (Ra) for wavelength components of 10 to 50 nm of the surface of the main surfaces","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9607647","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-9607647","citation_suggestion":"Patentable. \"Magnetic-disk glass substrate and magnetic disk\" (US-9607647). https://patentable.app/patents/US-9607647","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9607647","json":"https://patentable.app/api/llm-context/US-9607647","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:30:57.649Z"}