Title:
IC CARD
Document Type and Number:
Japanese Patent JP3958331
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enable an IC card to be highly integrated and mount highly heat-generative electronic components such as a CPU by highly efficiently cooling the IC card.
SOLUTION: The IC card to be freely attachably and detachably inserted to a slot of a device in which the IC card is packaged, comprises a card casing which is formed like an approximately rectangular card so as to have an internal space, a metal block accommodated inside the card casing, a metal wiring board accommodated inside the card casing while forming a wiring layer on one side of a metal plate via an insulating layer and adhering another side of the metal plate with another side of the metal block, and a plurality of electronic components packaged on the wiring layer of the metal wiring board. A portion of the metal block is protruded outside the card casing. Furthermore, a heat pipe is buried in the metal block or a fan is mounted near the protruding portion.
Inventors:
Masumi Suzuki
Hirano Minoru
Hirano Minoru
Application Number:
JP2005134468A
Publication Date:
August 15, 2007
Filing Date:
May 02, 2005
Export Citation:
Assignee:
富士通株式会社
International Classes:
B42D15/10; G06K19/077; H05K7/20; (IPC1-7): G06K19/077; B42D15/10; H05K7/20
Domestic Patent References:
| JP1159297A | ||||
| JP6336095A | ||||
| JP2030728A | ||||
| JP1220898A | ||||
| JP7290869A | ||||
| JP6006064A | ||||
| JP3273670A | ||||
| JP7321264A | ||||
| JP3188589A |
Foreign References:
| WO1993023825A1 |
Attorney, Agent or Firm:
Akira Matsumoto