{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9704526","patent":{"patent_number":"US-9704526","title":"Glass substrate for magnetic disk and magnetic recording medium","assignee":null,"inventors":[],"filing_date":"2015-06-08T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B"],"num_claims":6,"abstract":"With regard to a glass substrate 1 according to the present invention, a value of an amendment concentricity AC that has taken into consideration Sk and/or Ku calculated from a shape profile over the whole circumference of an inside hole, or the skewness is within a predetermined range. The glass substrate for a magnetic recording medium can stably read servo information including track information stored on a magnetic disk when the glass substrate is used for an HDD."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Glass substrate for magnetic disk and magnetic recording medium","description":"With regard to a glass substrate 1 according to the present invention, a value of an amendment concentricity AC that has taken into consideration Sk and/or Ku calculated from a shape profile over the ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9704526","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-9704526","citation_suggestion":"Patentable. \"Glass substrate for magnetic disk and magnetic recording medium\" (US-9704526). https://patentable.app/patents/US-9704526","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9704526","json":"https://patentable.app/api/llm-context/US-9704526","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:34:54.274Z"}