PURPOSE: To place an IC device at a prescribed position in a device placing part by carrying out the device taking-out and rough positioning speedily by the simple operation.

CONSTITUTION: A device transferring means 10 which is constituted so that a vacuum absorbing head 12 for vacuum-absorbing the package part 3a of a device 3 is installed on a robot 11 takes out the device 3 from a tray 1 and transfers the device 3 to the device accommodation part 2a of a socker 2, and a device attitude correcting means 20 for roughly positioning the device 3 is installed at the upper position of the socket 2. The device attitude correting means 20 is equipped with the left and right roughly positioning blocks 22 and 22 in pair as a device receiving part 21 for the rough positioning so that the device 3 is set at a prescribed attitude in the mutual joining, and both the roughly positioning blocks 22 and 22 are joined by cylinders 23 and 23, and the device receiving part 21 is formed.