Patent ID: 6986467

Claim:
An integrated circuit (IC) card, comprising: a first support; a second support; an IC module including an IC chip, a reinforcing structural member neighboring to the IC chip and an antenna; the IC module provided between the first and second supports; a first adhesive layer provided between the first support and the IC chip; and a second adhesive layer provided between the first support and the IC chip, wherein the IC card has a rebound coefficient (h/h 0 ) of 0.52 to 0.70, where h 0 is a dropping height of 60 cm from which a steel ball made of S45C steel and having a top edge diameter of 20 mm and a weight of 50 g is free dropped onto the IC card and h is a rebound height to which the steel ball rebounds from the IC card which is rigidly fixed on a table having a hole of 27 mm diameter by being sandwiched from upside and downside of the IC card.