Patent ID: 8653845

Claim:
A test handler comprising: a test tray having a plurality of inserts arrayed therein, each insert having at least on semiconductor device loaded therein; an opening apparatus, provided for opening the inserts arrayed in the test tray; and a pick-and-place apparatus, loading the at least one semiconductor device to the test tray or picking up the at least one semiconductor device from the test tray when the inserts are opened by the opening apparatus, wherein the opening apparatus includes: at least one opening unit disposed under the test tray, provided to be movable in a horizontal direction, and opening inserts arrayed in one part of the test tray; a position changing apparatus moving the at least one opening unit in the horizontal direction so as to position the at least one opening unit in another part of the test tray such that the at least one opening unit opens inserts arrayed in the other part of the test tray; a base plate having the position changing apparatus installed thereon; and an installation plate having the at least one opening unit installed thereon and provided to be moveable in the horizontal direction with respect to the base plate such that a position thereof is changed using the position changing apparatus, and wherein the at least one opening unit includes: an opener provided to be ascendable and descendible and having pairs of opening pins causing the inserts to be open during ascending and causing the insert to be closed during descending; and an ascending/descending cylinder installed on the installation plate and causing the opener to ascend and descend, and wherein a total number of the pairs of opening pins of the opening apparatus is less than that of the inserts of the test tray.