Patent ID: 7876089

Claim:
A test handler comprising: a loading unit including a loading buffer and a loading picker, the loading buffer to move along a loading moving path formed over a loading position at which a test tray is located at a time of providing packaged chips to be tested to the test tray, and the loading picker to perform a loading process on the test tray at the loading position; a chamber system to receive the packaged chips contained in the test tray from the loading unit, to connect the packaged chips to a hi-fix board for testing of the packaged chips; an unloading unit including an unloading picker to perform an unloading process on the test tray located at an unloading position at which the test tray is located at a time of separating the tested packaged chips from the test tray, wherein the loading unit is provided aside the loading unit; at least one rotating unit between the loading unit and the unloading unit, to rotate the test tray transferred from the loading unit from a horizontal posture to a vertical posture, and to rotate the test tray transferred from the chamber system from a vertical posture to a horizontal posture; and a transferring unit to transfer the test tray from the loading unit to the at least one rotating unit, to transfer the test tray from the at least one rotating unit to the unloading unit, and to transfer the test tray from the unloading unit to the loading unit, wherein the loading buffer to move along the loading moving path so as to overlap with the test tray located at the loading position.