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Title:
MAGNETIC CARD
Document Type and Number:
Japanese Patent JPH05104891
Kind Code:
A
Abstract:

PURPOSE: To provide a magnetic card having excellent heat resistance and durability and having forgery preventive properties.

CONSTITUTION: A magnetic layer is formed onto at least one surface of a non- magnetic film in a magnetic card, and the non-magnetic film is composed of polyester, in which at least 5 mol% of a total acid component consists of naphthalene dicarboxylic acid, and a thin layer (B) mainly comprising at least one kind of a resin selected from acrylie acid, acrylic modified polyester resin and polyester resin is formed on at least one surface of a polyester film (A) in thickness of 20-500μm in a film.


Inventors:
Miura, Sadami
Fukuda, Masayuki
Application Number:
JP1991000299563
Publication Date:
April 27, 1993
Filing Date:
October 21, 1991
Export Citation:
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Assignee:
TEIJIN LTD
International Classes:
B42D15/10; B32B7/02; B32B27/36; C08L33/08; C08L67/03; C08L67/07; G06K19/06; G11B5/73; G11B5/733; G11B5/80; (IPC1-7): B42D15/10; G06K19/06; G11B5/80
Domestic Patent References:
JPH02125794A1990-05-14
JPH03147517A1991-06-24
Attorney, Agent or Firm:
前田 純博