| 摘要 |
A semiconductor test device comprises a substrate having a opposed-wafer surface on which a semiconductor wafer with a plurality of the embedded semiconductor devices is placing opposite when a burn-in test is implemented, a wiring layer provided on the substrate, and a temperature sensor for measuring a temperature of the semiconductor wafer in the state here the semiconductor wafer is placing opposite on the substrate, wherein the wiring layer includes a wiring which is connected to the semiconductor wafer in the state where the semiconductor wafer is placing opposite on the substrate, and supplies a signal and a voltage for the burn-in test to the semiconductor wafer, and the temperature sensor is provided on the substrate in vicinity of the opposed-wafer surface.
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