Patent ID: 8143909
Filing Date: 2012-03-27
Classification: G01R

Abstract:
1. A test socket comprising: a housing frame including a side wall, a protruding portion protruding inwardly from the side wall, and a plurality of pin holes, and a through window formed at a center portion of the housing frame, wherein the through window is surrounded by the side wall, and wherein the protruding portion protrudes inwardly from a position on the side wall that is below a top edge of the side wall so that the protruding portion is recessed with respect to the top edge of the side wall; a pin plate assembly coupled to the housing frame and including a pin plate in which a plurality of test pins are arranged and a plurality of guide pins formed on a periphery of the pin plate and inserted in the pin holes; and a package guide portion coupled to the housing frame and located above the pin plate assembly, wherein positions of the test pins arranged in the housing frame are varied according to a rotation angle of the pin plate assembly with respect to the housing frame, wherein, when the rotation angle is one of 90°, 180° or 270°, the positions of the test pins arranged in the housing frame are moved in at least one of an X-axis or Y-axis direction with respect to the positions of the test pins when the rotation angle is 0°, and wherein the location of an intersection of x and y axes at a center of the plurality of test pins at 0° is shifted off the center in at least one of the X-axis or Y-axis direction when the rotation angle is one of 90°, 180° or 270°.