Magnetic tape
US7255908B2 · kind B2 · utility
111Cited by
79References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2003 |
| Grant date | Aug 14, 2007 |
| Priority date | — |
| Expiry date | Oct 5, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/257
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic tape (1) characterized by having a backcoating layer (5) which comprises a binder and fine particles having been dispersed in the binder and being capable of irreversibly changing in color on oxidation reaction, and has a sufficient number of microvoids of sufficient size to supply sufficient oxygen to cause the oxidation reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.