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    • 2. 发明授权
    • Photon beacon
    • 光子灯塔
    • US06833718B1
    • 2004-12-21
    • US10324328
    • 2002-12-20
    • David BethkeMichael R. BruceShawn M. McBrideGreg DabneyGlen GilfeatherRama Goruganthu
    • David BethkeMichael R. BruceShawn M. McBrideGreg DabneyGlen GilfeatherRama Goruganthu
    • G01R31302
    • G01R31/311
    • Various apparatus and methods for enhancing hot-electron luminescence in an integrated circuit are provided. In one aspect, an apparatus is provided that includes a first circuit device coupled to a first voltage source that is operable to bias the first circuit device to a first voltage, and a second circuit device that has a first input coupled to the first voltage source and a junction defining a first side and a second side. One of the first and second sides is coupled to a second voltage source that is independent of the first voltage source and capable of selectively biasing the one of the first and second sides at a second voltage higher than the first voltage. The second device is operable to emit a hot-electron induced photon upon entry into saturation.
    • 提供了用于增强集成电路中的热电子发光的各种装置和方法。 一方面,提供了一种装置,其包括耦合到第一电压源的第一电路装置,其可操作以将第一电路装置偏置到第一电压,以及第二电路装置,其具有耦合到第一电压源 以及限定第一侧和第二侧的接合部。 第一和第二侧中的一个耦合到独立于第一电压源的第二电压源,并且能够以比第一电压高的第二电压选择性地偏置第一和第二侧中的一个。 第二装置可操作以在进入饱和时发射热电子诱导光子。
    • 3. 发明授权
    • Photon detection enhancement of superconducting hot-electron photodetectors
    • 超导热电子探测器的光子检测增强
    • US06828809B1
    • 2004-12-07
    • US10324324
    • 2002-12-20
    • Michael R. BruceRobert PowellBrennan DavisRama GoruganthuThomas ChuMiguel Santana, Jr.
    • Michael R. BruceRobert PowellBrennan DavisRama GoruganthuThomas ChuMiguel Santana, Jr.
    • G01R31302
    • G01R31/308
    • Various methods of hot-electron imaging a workpiece are provided. In one aspect, a method of examining a workpiece is provided that includes directing a first photon at a photodetector at a first known time and stimulating a circuit device of the workpiece at a second known time to produce a condition in the circuit device conducive to photon emission. At least one photon emitted by the circuit device in response to the stimulation is detected. The first photon increases the quantum efficiency of the photodetector in detecting the at least one photon. The detection of the at least one photon relative to the first known time and the second known time is time correlated to temporally distinguish the first photon and the at least one photon and to temporally correlate the stimulation of the circuit device to the detection of the at least one photon.
    • 提供了对工件进行热电子成像的各种方法。 在一个方面,提供了一种检查工件的方法,其包括在第一已知时间引导光电检测器处的​​第一光子并在第二已知时间刺激工件的电路装置,以产生有利于光子的电路器件中的状态 排放。 检测由电路装置响应于刺激而发射的至少一个光子。 在检测至少一个光子时,第一光子增加了光电检测器的量子效率。 相对于第一已知时间和第二已知时间的至少一个光子的检测是时间相关的,以便在时间上区分第一光子和至少一个光子,并且将电路装置的刺激与at 至少一个光子。