Magnetic recording medium
US4596747A · kind A · utility
12Cited by
8References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1984 |
| Grant date | Jun 24, 1986 |
| Priority date | — |
| Expiry date | Jul 16, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31935
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium comprising a transparent plastic film substrate, a primer coating layer formed on the substrate and a magnetic layer for magnetic recording formed on the primer coating layer, wherein said primer coating layer is formed by dispersing carbon black in a radiation curable coating material composed essentially of at least one oligomer or polymer containing at least one radiation curable unsaturated double bond per molecule and curing the resulting dispersion by radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.