PROBLEM TO BE SOLVED: To provide an individual authentication device for which authentication accuracy is secured and handleability is excellent.SOLUTION: A finger placing base for placing the finger of an authentication object is configured such that it is provided with a first surface for abutting the bulb side part more on the distal end side than the first joint of the finger and a second surface for facing the bulb side part more on the root side than the first joint and the first surface is inclined in the direction of bending the first joint of the finger of the authentication object or the like and is disposed at a position lowered in the direction relative to the second surface.COPYRIGHT: (C)2008,JPO&INPIT【課題】認証精度を確保した使い勝手の良い個人認証装置を提供する。【解決手段】認証対象の指を置く指置き台を、該指の第1関節よりも先端側の腹側部分に当接するための第1の面と、該第1関節よりも根元側の腹側部分に対向するための第2の面とを有し、該第1の面が該第2の面に対して、認証対象の指の第1関節が曲がる方向に傾斜するなど該方向に下がった位置に配された構成とする。【選択図】 図6
