Belt driven tape cartridge
US5963403A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1997 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Oct 24, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/08778
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a belt driven tape cartridge capable of recording data at a higher density and a higher speed than in the conventional belt driven tape cartridges. The belt driven tape cartridge includes a flexible non-magnetic support, a magnetic recording layer formed on one surface of the flexible support and having a surface roughness of 10 nm or under, and a back coat layer formed on the other surface of the flexible support and having a surface roughness being above 100 nm but under 300 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.