Title:
COMPOSITE RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP3112997
Kind Code:
B2
Abstract:
PURPOSE: To obtain an information recording medium which is capable of recording magnetic recorded information and visible information compositely by laminating a magnetic recording layer on an electric discharge destructive print recording layer.
CONSTITUTION: A magnetic recording layer 2 and an electric discharge destructive print recording layer 3 are laminated in that order on a substrate 1. Then the surface electric resistance value of the magnetic recording layer 2 is controlled to be within the range of 103 to 1012Ω. Alternately, a barrier layer 4 is formed between the magnetic recording layer 2 and the electric discharge print recording layer 3, and an anchor layer 5 and a protecting layer 6 are formed on the electric discharge destructive print recording layer 3. Subsequently, it is possible to record magnetic recorded information on the magnetic recording layer 2 and at the same time, superimpose visible information over the other in the electric discharge destructive print recording layer 3. In addition, it is possible to record visible information such as individual information like validity period and additional information in accordance with the use status of a recording medium simply and rapidly.
Inventors:
Yoshioka Yasuaki
Kenji Yoshimura
Kenji Yoshimura
Application Number:
JP23609991A
Publication Date:
November 27, 2000
Filing Date:
September 17, 1991
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
B42D15/10; C09D5/23; C09D7/12; G11B5/70; (IPC1-7): B42D15/10; G11B5/70
Domestic Patent References:
| JP59199284A | ||||
| JP5151943A | ||||
| JP6294396A | ||||
| JP2137121A | ||||
| JP322215A | ||||
| JP4368613A | ||||
| JP2130371U | ||||
| JP52107609U |
Attorney, Agent or Firm:
Kazuo Sato (3 others)