{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10515660","patent":{"patent_number":"US-10515660","title":"Magnetic tape having controlled surface properties of the back coating layer and magnetic layer","assignee":null,"inventors":[],"filing_date":"2017-06-09T00:00:00.000Z","publication_date":"2019-12-24T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B"],"num_claims":9,"abstract":"A magnetic tape is provided in which the center line average surface roughness Ra measured regarding the surface of the magnetic layer is less than or equal to 1.8 nm, and the logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is less than or equal to 0.050. A back coating layer includes one or more components selected from a fatty acid and a fatty acid amide. In addition, the C—H derived C concentration calculated from the C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed regarding the surface of the back coating layer at a photoelectron take-off angle of 10 degrees is greater than or equal to 35 atom %."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Magnetic tape having controlled surface properties of the back coating layer and magnetic layer","description":"A magnetic tape is provided in which the center line average surface roughness Ra measured regarding the surface of the magnetic layer is less than or equal to 1.8 nm, and the logarithmic decrement ac","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10515660","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-10515660","citation_suggestion":"Patentable. \"Magnetic tape having controlled surface properties of the back coating layer and magnetic layer\" (US-10515660). https://patentable.app/patents/US-10515660","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10515660","json":"https://patentable.app/api/llm-context/US-10515660","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T02:42:14.097Z"}