{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11302357","patent":{"patent_number":"US-11302357","title":"Magnetic recording medium having characterized back coat and magnetic recording and reproducing apparatus","assignee":null,"inventors":[],"filing_date":"2020-09-18T00:00:00.000Z","publication_date":"2022-04-12T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B"],"num_claims":19,"abstract":"The magnetic recording medium includes: a non-magnetic support; a magnetic layer that includes ferromagnetic powder on one surface side of the non-magnetic support; and a back coating layer that includes non-magnetic powder on the other surface side of the non-magnetic support, in which a difference between a spacing measured on a surface of the back coating layer by optical interferometry under a pressure of 0.5 atm after n-hexane cleaning and a spacing measured on the surface of the back coating layer by optical interferometry under a pressure of 13.5 atm after n-hexane cleaning is 12 nm or more."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Magnetic recording medium having characterized back coat and magnetic recording and reproducing apparatus","description":"The magnetic recording medium includes: a non-magnetic support; a magnetic layer that includes ferromagnetic powder on one surface side of the non-magnetic support; and a back coating layer that inclu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11302357","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-11302357","citation_suggestion":"Patentable. \"Magnetic recording medium having characterized back coat and magnetic recording and reproducing apparatus\" (US-11302357). https://patentable.app/patents/US-11302357","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11302357","json":"https://patentable.app/api/llm-context/US-11302357","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:45:56.040Z"}