PURPOSE: To provide a chip tray which can grasp the number of chips stored in the tray without opening the cover of the tray.

CONSTITUTION: This device has two pieces of electrodes 2 and 3 at the bottom in the position where each chip 5 is stored, and these electrodes are arranged to be connected electrically with the rear of the chip when the chip is stored, and this has a conductive board, which is provided with an opening the periphery of which is electrically connected with the rear of the chip, at the bottom in the position where each chip 5 is stored, and besides the bottom of the storage device has an opening at the position corresponding to the opening, or an electrode, which is electrically connected to the rear of the chip and is insulated from the conductive board, is arranged.