Patent ID: 8547122

Claim:
An integrated circuit device strip tester that measures temperature of each device under test, comprising: a temperature controlled heater block have a plurality of locations for placement thereon of a plurality of integrated circuit devices under test; each of the plurality of integrated circuit devices under test comprises a plurality of electrical connection pads on a first face of the integrated circuit device, an exposed die pad in thermal communications with a die of the integrated circuit device, and a second face of the integrated circuit device in thermal communications with the temperature controlled heater block; a contactor assembly having a plurality of electrical connection test probes and a thermally conductive test probe for each of the plurality of integrated circuit devices under test and arranged to come into contact with a respective one of the plurality of integrated circuit devices under test, wherein each of the plurality of electrical connection test probes makes an electrical connection to a respective one of the plurality of electrical connection pads on the first face of the respective one of the plurality of integrated circuit devices under test and each of the thermally conductive test probes makes a thermal connection to the exposed die pad on the first face of the respective one of the plurality of integrated circuit devices under test; a test board assembly comprising a plurality of temperature measuring devices, each of the plurality of temperature measuring devices is thermally coupled to a respective one of the thermally conductive test probes for each of the integrated circuit devices under test; and a plurality of electrical connections, each of the plurality of electrical connections coupled to a respective one of the plurality of electrical connection test probes; the plurality of electrical connections provide electrical coupling to the plurality of electrical connection pads of the plurality of integrated circuit devices under test through the respective ones of the plurality of electrical connection test probes; and the plurality of temperature measuring devices measure temperatures of the respective ones of the plurality of integrated circuit devices under test through the exposed die pads on the first faces of the respective ones of the plurality of integrated circuit devices under test; wherein the temperature controlled heater block controls the temperatures of the plurality of integrated circuit devices under test and measured by the plurality of temperature measuring devices.