Patent · US Expired

Magnetic medium for magnetic embossment and magnetic card using the same

US4849618A · kind A · utility

45Cited by
11References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 1986
Grant dateJul 18, 1989
Priority date
Expiry dateApr 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.