Magnetic recording medium
US4647501A · kind A · utility
1Cited by
12References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1985 |
| Grant date | Mar 3, 1987 |
| Priority date | — |
| Expiry date | Dec 24, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31609
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording material, which comprises a non-magnetic support having provided on one side thereof a magnetic layer and on the other side thereof a backing layer is disclosed. The binder of the backing layer is comprised of a combination of a cellulose resin, a vinylidene chloride resin, a polyurethane resin and a polyisocyanate. Use of the backing layer increases the durability of the tape and aids in preventing drop out.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.