Magnetic medium for magnetic embossment and magnetic card using the same
US4849618A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1986 |
| Grant date | Jul 18, 1989 |
| Priority date | — |
| Expiry date | Apr 25, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S283/904
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A magnetic medium for magnetic embossment comprises a main magnetic layer and a high permeability magnetic-metal layer, a nonmagnetic white metal layer and a coloring layer laminated on the main magnetic layer. A magnetic card comprises a card substrate which is nonmagnetic, and a magnetic medium for magnetic embossment disposed on at least a part of the card substrate, which magnetic medium comprises a main magnetic layer and a high permeability magnetic-metal layer, a nonmagnetic white metal layer and a coloring layer laminated on the main magnetic layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.