{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11244706","patent":{"patent_number":"US-11244706","title":"Glass spacer and hard disk drive apparatus","assignee":null,"inventors":[],"filing_date":"2020-08-28T00:00:00.000Z","publication_date":"2022-02-08T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B"],"num_claims":20,"abstract":"In order to suppress the occurrence of adhesion between magnetic disks and spacers when the magnetic disks and the spacers are removed from a hard disk drive apparatus in which the magnetic disks and the spacers are installed, a surface roughness Ra of a main surface of a ring-shaped glass spacer to be arranged in contact with a magnetic disk is set to be not larger than 1.0 μm, and an average inclination RΔa of the main surface is set to be at least 0.02."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Glass spacer and hard disk drive apparatus","description":"In order to suppress the occurrence of adhesion between magnetic disks and spacers when the magnetic disks and the spacers are removed from a hard disk drive apparatus in which the magnetic disks and ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11244706","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-11244706","citation_suggestion":"Patentable. \"Glass spacer and hard disk drive apparatus\" (US-11244706). https://patentable.app/patents/US-11244706","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11244706","json":"https://patentable.app/api/llm-context/US-11244706","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T09:14:49.496Z"}