Patent ID: 7609052

Claim:
A contact pusher configured to be attached to a front end of a contact arm, the contact pusher being configured to bring an electronic device under test into contact with a contact part of a test head by pushing against the electronic device under test, the contact pusher comprising: a holder configured to hold the electronic device under test; an elastic member; a first contactor configured to contact a body of the electronic device under test; and a thermal conductor configured to conduct heat to the first contactor, wherein the first contactor and the thermal conductor contact each other so as to conduct heat, the first contactor is configured to move in a direction to push against the electronic device under test, the first contactor is segmented to provide a plurality of contact portions, each of the contact portions contacting a surface of the body of the electronic device under test simultaneously, and the elastic member is configured to bias the contact portions in a direction substantially parallel to the surface of the electronic device under test.