Patent ID: 7538542

Claim:
A test handler, comprising: a loading unit for loading devices loaded on user trays onto a test tray; a posture changing unit for changing a posture of the test tray on which the devices have been loaded by the loading unit; a soak chamber for sequentially receiving the test trays posture-changed by the posture changing unit; a test chamber in which the devices loaded on the test tray supplied from the soak chamber are tested by a tester; a temperature controller for pre-heating/pre-cooling the devices loaded on the test tray before supplying the test tray to the test chamber; and an unloading unit for unloading the devices test-completed in the test chamber the user trays; wherein the posture changing unit is positioned inside the soak chamber; and wherein the temperature controller continuously pre-heats/pre-cools the devices on the test tray while the test tray is posture-changed by the posture changing unit and received in the soak chamber.