Patent ID: 9146256
Filing Date: 2015-09-29
Classification: G01R

Abstract:
1. A probe assembly for inspecting power semiconductor devices, which comprises; (1) a probe block having more than one probe holding hole, (2) more than one probe, each probe being contained in one of the probe holding holes with an outer surface of the probe being in contact with an inner surface of the probe holding hole, and having a lower end protruding from the probe block and coming into contact with one of the power semiconductor devices on inspection, and (3) one or more cooling means which cool the probe block, wherein the probe block has a cooling chamber inside and/or outside of the probe block, and the cooling chamber has a cooling medium entrance and a cooling medium exit, and wherein one of the cooling means is a cooling medium supply system which supplies cooling medium into the cooling chamber through the cooling medium entrance, and the cooling medium exit opens toward the lower ends of the probes protruding from the probe block.