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Patent Searching and Data


Title:
IC TAG
Document Type and Number:
Japanese Patent JP3941353
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a non-contact type IC tag provided with an antenna coil that resonates at a resonance frequency that matches an IC to be mounted.
SOLUTION: The antenna coil is provided on the front face of an insulating substrate, and a semiconductor chip is provided on the front face of the substrate so as to be electrically connected to the coil. An electric conductor is provided on the rear face of the substrate so as to face the coil with the substrate between the coil and the electric conductor. Thus, a capacitor in which the coil and the electric conductor are made as counter electrodes can be formed.


Inventors:
Shibuya Masahito
Kise Yoshitaka
Kaneko Kazuo
Application Number:
JP2000234295A
Publication Date:
July 04, 2007
Filing Date:
August 02, 2000
Export Citation:
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Assignee:
Hitachi Chemical Co., Ltd.
International Classes:
B42D15/10; G06K19/07; G06K19/077; (IPC1-7): G06K19/07; B42D15/10; G06K19/077
Domestic Patent References:
JP8180160A
JP11003411A
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu