Patent · US Expired

Belt driven tape cartridge

US5963403A · kind A · utility

2Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 1997
Grant dateOct 5, 1999
Priority date
Expiry dateOct 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.