Patent ID: 7262626
Filing Date: 2007-08-28
Classification: G01R

Abstract:
1. A connection apparatus used for semiconductor-device characteristic measurement apparatuses, comprising: a switch for being connected to a device under test by a connection and receiving a switching signal from a controller, the device under test being a semiconductor device, wherein the connection is provided with a first guard and a second guard; a control-signal connector for receiving the switching signal from the controller and sending the switching signal to the switch; a plurality of first connectors for being connected to the switch and for being connected to a plurality of first measuring apparatus connectors included in a first measuring apparatus for measuring a first electrical characteristic of the device under test; a plurality of second connectors for being connected to the switch and for being connected to a plurality of second measuring apparatus connectors included in a second measuring apparatus for measuring a second electrical characteristic of the device under test; a guard switch having a first terminal connected to the first guard near the device under test and a second terminal connected to the second guard near the device under test; and a guard control-signal connector for receiving a guard switching signal from the controller and sending the guard switching signal to the guard switch; wherein the first measuring apparatus and the second measuring apparatus are connected to the device under test via respective different wiring configurations, and, in response to the switching signal sent from the controller via the control-signal connector, the switch determines which of the first or second connectors are electrically connected to the device under test, in accordance with the wiring configuration of the corresponding measuring apparatus.