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    • 8. 发明申请
    • ELECTROMIGRATION TESTER FOR HIGH CAPACITY AND HIGH CURRENT
    • 高容量和高电流电磁测试仪
    • WO2009105144A1
    • 2009-08-27
    • PCT/US2008/087009
    • 2008-12-16
    • QUALITAU, INC.ULLMANN, Jens
    • ULLMANN, Jens
    • G01R31/27
    • G01R31/2858
    • An electronic device under test (DUT) may be incorporated into a circuit having a voltage limiter connected in parallel with the DUT. The circuit includes a controlled current source having an output current connected in series with the DUT. The voltage limiter is characterized in that, when the output current is such that the voltage across the DUT (Vdut) would exceed a particular maximum voltage Vmax, without the voltage limiter in place, at least a portion of the output current flows through the voltage limiter, so as to limit Vdut to be less than or equal to Vmax.. When the output current is such that Vdut would be less than or equal to Vmax, current does not flow through the voltage limiter. The circuit may include a plurality of DUTs, each DUT connected in series with the output current of a controlled current source, with a voltage limiter connected in parallel with each DUT.
    • 被测电子器件(DUT)可以并入具有与DUT并联连接的限压器的电路中。 该电路包括具有与DUT串联连接的输出电流的受控电流源。 电压限制器的特征在于,当输出电流使得DUT上的电压(Vdut)将超过特定的最大电压Vmax时,没有电压限制器就位,输出电流的至少一部分流过电压 限制器,以将Vdut限制为小于或等于Vmax。当输出电流使Vdut小于或等于Vmax时,电流不流过限压器。 电路可以包括多个DUT,每个DUT与受控电流源的输出电流串联,其中限压器与每个DUT并联连接。
    • 9. 发明申请
    • HIGH TEMPERATURE CERAMIC SOCKET CONFIGURED TO TEST PACKAGED SEMICONDUCTOR DEVICES
    • 配置到测试包装半导体器件的高温陶瓷插座
    • WO2009002630A1
    • 2008-12-31
    • PCT/US2008/063902
    • 2008-05-16
    • QUALITAU, INC.YSAGUIRRE, JoseULLMANN, JensRAMIREZ, Adalberto M.SYLVIA, Robert J.
    • YSAGUIRRE, JoseULLMANN, JensRAMIREZ, Adalberto M.SYLVIA, Robert J.
    • H05K1/00
    • G01R1/0433
    • A test socket assembly is for use in testing integrated circuits. A single piece socket is formed substantially of an insulating material and having a plurality of holes formed therein configured to receive a plurality of electrically conductive springs. Each hole of the single piece socket has therein a separate one of the electrically conductive springs. A test socket includes a plurality of pins configured to receive leads of an integrated circuit, the pins of the test socket extending into the plurality of holes of the single piece socket with each pin engaging a spring, wherein the single piece socket is positioned on a circuit board with the plurality of holes being in alignment with electrical contacts on the circuit board such that the plurality of springs are electrically interconnecting the contacts and the plurality of pins. The single-piece socket is comprised substantially of a high-temperature insulating material, such as ceramic.
    • 测试插座组件用于测试集成电路。 单件插座基本上由绝缘材料形成,并且具有形成在其中的多个孔,构造成容纳多个导电弹簧。 单件插座的每个孔都具有单独的一个导电弹簧。 测试插座包括被配置为接收集成电路的引线的多个引脚,测试插座的引脚延伸到单个插座的多个孔中,每个引脚与弹簧接合,其中单个插座位于 所述多个孔与所述电路板上的电触点对准,使得所述多个弹簧将所述触点和所述多个销电连接。 单件式插座基本上由诸如陶瓷的高温绝缘材料构成。