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Title:
NON-CONTACT IC CARD, NON-CONTACT IC CARD TRANSMISSION MEDIUM, AND THEIR MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2003067716
Kind Code:
A
Abstract:

To provide a non-contact IC card, a non-contact IC card transmission medium, and their manufacturing method reducing the manufacturing cost and visually improving the appearance.

This non-contact IC card 10 is provided with a substrate 13, an IC chip 111 provided in the rear surface of the substrate 13, and first and second antenna parts 121 and 122 printed with ink containing a conductive material and mediating the communication between the IC chip 111 and an external reader/writer by an electrostatic coupling system in the rear surface. This non-contact IC card 10 is characterized in having a dummy pattern 14 formed in the rear surface so as to be overlapped with parts or all of the first and/or the second antenna part 121 and/or 122 and improving the external appearance of the first and/or the second antenna part 121 and/or 122.


Inventors:
ASAKURA HIROYUKI
MAEKAWA HIROICHI
KAKUHARI YOKO
Application Number:
JP2001261045A
Publication Date:
March 07, 2003
Filing Date:
August 30, 2001
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B42D15/10; G06K19/00; G06K19/07; G06K19/077; (IPC1-7): G06K19/077; B42D15/10; G06K19/00; G06K19/07
Domestic Patent References:
JP2000331142A2000-11-30
JP2001126043A2001-05-11
JP2001071620A2001-03-21
JP2003510728A2003-03-18
JP2005236339A2005-09-02
Foreign References:
WO2000016286A12000-03-23
WO1999060519A11999-11-25
Attorney, Agent or Firm:
Hisao Kamata



 
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