A device testing apparatus including a connection terminal to which an electronic device under test is detachably attached, a pusher for pushing the electronic device in the direction of the connection terminal so as to connect the electronic device to the connection terminal, and a cooling unit for...http://www.google.de/patents/US6919734?utm_source=gb-gplus-sharePatent US6919734 - Cooling fin connected to a cooling unit and a pusher of the testing apparatus