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    • 8. 发明申请
    • AUTOMATIC MULTIPLEXING SYSTEM FOR AUTOMATED WAFER TESTING
    • 自动多路复用系统自动测试
    • WO2008121155A1
    • 2008-10-09
    • PCT/US2007/080389
    • 2007-10-04
    • QUALITAU, INC.MOSTARSHED, ShahriarANDERSON, Michael, L.
    • MOSTARSHED, ShahriarANDERSON, Michael, L.
    • G01R31/02
    • G01R31/2889G01R1/07385G01R31/2834
    • A parametric test system is for testing devices in dice in a semiconductor wafer, each die having a plurality of pads for electrically connecting to the device in the die. A tester of the system has a plurality of input/output lines for providing and receiving electrical signals during a device test. Multiplexer circuitry of the test system includes a plurality of networks of automated switches. The multiplexer circuitry is configured to receive electrical signals on the input lines from the tester and to provide the electrical signals to a wafer prober, wherein the multiplexer circuitry is configured to restrict how the electrical signals can be provided to the networks of automated switches. As a result of the multiplexer being configured to restrict how the electrical signals can be provided to the networks of automated switches, the configuration of the networks of automated switches can be simplified.
    • 参数测试系统用于在半导体晶片中的骰子中测试器件,每个管芯具有用于电连接到管芯中的器件的多个焊盘。 系统的测试器具有多个输入/输出线,用于在器件测试期间提供和接收电信号。 测试系统的多路复用器电路包括多个自动开关网络。 多路复用器电路被配置为从测试器接收输入线路上的电信号,并将电信号提供给晶片探测器,其中多路复用器电路被配置为限制如何将电信号提供给自动切换器的网络。 由于多路复用器被配置为限制如何将电信号提供给自动交换机的网络,所以可以简化自动交换机网络的配置。