Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
IC CARD
Document Type and Number:
WIPO Patent Application WO/2001/001342
Kind Code:
A1
Abstract:
An IC card (10A) comprises an insulating substrate (1), on which are formed a mica capacitor (5) including a mica film (6) and electrodes (7a, 7b) on respective sides of the mica film, an antenna coil (2), and an IC chip (3). A terminal for the electrode (7b) of the mica capacitor (5) is formed on the other side, and the terminal is connected with a terminal for the electrode (7a) on the same side using anisotropic conductive adhesive (4) on the insulating substrate (1). The IC card can be manufactured at low cost while having a stable resonance frequency and improved antenna characteristics.

Inventors:
KURODA NOBUKAZU (JP)
SUZUKI KAZUAKI (JP)
Application Number:
PCT/JP2000/004035
Publication Date:
January 04, 2001
Filing Date:
June 21, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SONY CHEMICALS CORP (JP)
KURODA NOBUKAZU (JP)
SUZUKI KAZUAKI (JP)
International Classes:
B42D15/10; G06K19/07; G06K19/077; (IPC1-7): G06K19/077
Foreign References:
JPH10203060A1998-08-04
JPH0252498A1990-02-22
JPS6190231A1986-05-08
JPS5878318A1983-05-11
JPH01127393A1989-05-19
JPS57209578A1982-12-22
JP2000048153A2000-02-18
JPH08287208A1996-11-01
Other References:
See also references of EP 1117067A4
Attorney, Agent or Firm:
Tajime, Noboru (Mita 1-chome Tama-ku, Kawasaki-shi Kanagawa, JP)
Download PDF: