IC CARD

• Main Authors: KUMAKURA SUSUMU, SEKIGUCHI MORIO
• Format: Patent
• Language: English; Japanese
• Published: 29.06.2017
• Subjects: BOOK COVERS; BOOKBINDING; CALCULATING; COMPUTING; COUNTING; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR; FILES; HANDLING RECORD CARRIERS; LOOSE LEAVES; MOVABLE-STRIP WRITING OR READING APPARATUS; PERFORMING OPERATIONS; PHYSICS; PRESENTATION OF DATA; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR; RECOGNITION OF DATA; RECORD CARRIERS; SPECIAL PRINTED MATTER; TRANSPORTING

PROBLEM TO BE SOLVED: To provide an IC card excellent in electrical connection of IC chip.SOLUTION: There is provided an IC card that has: a first card base material having an opening; a second card base material; an antenna base material 3 which is arranged between the first card base material and the second card base material and has an antenna pattern 3a; an IC chip arranged in the opening of the first card base material; and a conductive adhesive which is interposed between the IC chip and the antenna base material, electrically connects the IC chip and the antenna pattern, and contains conductive particles and a resin, where the antenna base material has a groove 3b being a non-through hole or a plurality of holes on the surface of the side of the first card base material facing the opening.SELECTED DRAWING: Figure 2A 【課題】ＩＣチップの電気的接続が優れるＩＣカードを提供する。【解決手段】ＩＣカードは、開口を有する第１のカード基材と、第２のカード基材と、第１のカード基材と第２のカード基材との間に配され、アンテナパターン３ａを具備するアンテナ基材３と、第１のカード基材の開口内に配されたＩＣチップと、ＩＣチップとアンテナ基材との間に介在し、ＩＣチップとアンテナパターンとを電気的に接続する、導電性粒子と樹脂とを含有する導電性接着剤と、を有する。アンテナ基材が、開口に面する第１のカード基材側の表面に、非貫通孔である溝３ｂ若しくは複数の孔を有する。【選択図】図２Ａ