Magnetic tape and method of manufacturing the same
US9721606B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 25, 2016 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Jul 25, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/7356
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The magnetic tape has a magnetic layer containing ferromagnetic powder and binder on one surface of a nonmagnetic support, and has a backcoat layer containing nonmagnetic powder and binder on the other surface thereof, wherein the magnetic layer contains one or more components selected from the group consisting of a fatty acid and a fatty acid amide; the backcoat layer has a thickness of less than or equal to 0.30 μm and contains one or more components selected from the group consisting of a fatty acid and a fatty acid amide; a magnetic layer side C—H derived C concentration is greater than or equal to 45 atom %; and a backcoat layer side C—H derived C concentration is greater than or equal to 35 atom %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.