Tokyo Magnetic Printing Co., Ltd.

Tdk Electronics Company, Limited

Yoshiaki Makino

Yuichi Kubota

Hiroshi Kamio

Genichi Kagai

Tsunayoshi Saito

Hiroaki Himori

Mamoru Namikawa

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.

Magnetic medium for magnetic embossment and magnetic card using the same

A magnetic recording medium which has a protective layer on a magnetic recording layer coated on a substrate and said protective layer comprises polyurethane and nitrocellulose in which isopropyl alcohol originally present has been replaced by a resin selected from the group consisting of polyurethane resins, polybutadiene resins, butadiene-acrylonitrile copolymers, vinyl chloride-vinyl acetate-vinyl alcohol copolymers, vinyl chloride-vinyl acetate copolymers, vinyl chloride-vinylidene chloride copolymers, vinylidene chloride-acrylonitrile-copolymers, vinyl acetate resins, epoxy resins, phenoxy resins, polyvinylbutyral resins, polyvinyl formal resins and polyester resins.

Magnetic recording medium

Growing community of inventors

Tokyo, Japan

Yoshiaki Makino