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IC module and IC card

  • US 6,160,526 A
  • Filed: 02/22/1999
  • Issued: 12/12/2000
  • Est. Priority Date: 06/23/1997
  • Status: Expired due to Fees
First Claim
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1. An IC module comprising:

  • a substrate,an IC chip mounted on the substrate, andan antenna coil electrically connected to the IC chip,wherein the antenna coil includes a conductive film which is patterned on a surface of the substrate,wherein the antenna coil includes a spiral portion having a plurality of spiral turns,wherein the substrate is provided with a pair of terminals disposed inwardly of the spiral portion in connection to starting and terminating ends, respectively, of the antenna coil,wherein the IC chip has a main surface formed with a pair of electrodes for connection to the pair of terminals,wherein the antenna coil further includes a bent extension extending from the respective spiral turns, andwherein the bent extension includes a first portion inwardly from each spiral turn toward the IC chip, a second portion extending from the first portion to pass between the pair of terminals, and a third portion extending outwardly from the second portion to a next spiral turn.

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