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    • 46. 发明授权
    • Integrated microcontact pin and method for manufacturing the same
    • 集成微接针及其制造方法
    • US06590479B2
    • 2003-07-08
    • US09877953
    • 2001-06-08
    • Haruo YoshidaYasuhiro MaedaYoshihide Miyagawa
    • Haruo YoshidaYasuhiro MaedaYoshihide Miyagawa
    • H01P104
    • G01R1/0408G01R1/06772G01R1/07314
    • The invention allows for testing by high velocity signals of high density LSIs prior to being packaged having an electrode spacing on the odder of 150 &mgr;m, for example. Coaxial transmission lines 13 for termination formed through a terminal support 11 are arranged in a two-dimensional array. Connected to one ends of the transmission lines 13 are one ends of contact pins 18 such as conductive whiskers while the other ends of the transmission lines 13 are connected to a transmission line block 61 of a three-dimensionally upwardly gradually broadening configuration through a connection plate 72 similar in construction to the terminal support 11. The transmission line block 61 holds high frequency transmission lines 62 for relay connected at one ends to the other ends of the coaxial transmission lines 13 and having spacings between the adjacent lines broadened at the other upper ends. The widely spaced upper ends of the transmission lines 62 are connected to a performance board (not shown). The contact pins 18 are about 0.3 to 0.5 mm in length and the characteristics impedance is maintained uniform over all the transmission lines 62. The terminal support 11 is replaceable.
    • 本发明允许例如在具有150μm之外的电极间隔的封装之前通过高密度LSI的高速度信号进行测试。 通过端子支撑件11形成的用于端接的同轴传输线13被布置成二维阵列。 连接到传输线13的一端的是接触引脚18的一端,例如导电晶须,而传输线13的另一端通过连接板连接到三维向上逐渐变宽的传输线块61 72类似于结构与终端支撑11.传输线块61保持用于一端连接到同轴传输线13的另一端的继电器的高频传输线62,并且在另一个上端扩展的相邻线之间的间隔 。 传输线62的间隔较宽的上端连接到执行板(未示出)。 接触销18的长度为约0.3至0.5mm,并且特性阻抗在所有传输线62上保持均匀。终端支撑件11是可更换的。
    • 49. 发明授权
    • Error rate measurement system for high speed optical pulse signals
    • 高速光脉冲信号误差率测量系统
    • US5870211A
    • 1999-02-09
    • US661463
    • 1996-06-11
    • Haruo Yoshida
    • Haruo Yoshida
    • H04B10/07H04B3/46H04B10/2507H04B10/508H04B10/532H04B10/54H04B10/556H04B10/58H04L1/00H04L1/24H04B10/08G06F11/00
    • H04L1/242H04B10/07953H04B10/0799H04B10/25077H04L1/241
    • An error rate measurement system measures a bit error rate of an optical pulse train having a very high frequency and a short pulse width such as an optical soliton signal. The error rate measurement system includes: an electric pulse generator which generates a high repetition rate and short pulse width electric pulse signal; an optical intensity modulator which receives an optical pulse signal transmitted through a transmission path in a communication network and the electric pulse signal from the electric pulse generator wherein the optical intensity modulator detects a non-coincidence signal; a delay circuit for delaying the electric pulse signal such that the electric pulse signal synchronizes with the optical pulse signal from the transmission path at the optical intensity modulator; an opto-electric converter for converting the non-coincidence signal from the optical intensity modulator to an electric signal; and a signal processor which receives the electric signal from the opto-electric converter to determine a bit error rate of the optical pulse signal from the transmission path based on the electric signal.
    • 错误率测量系统测量具有非常高频率和短脉冲宽度的光脉冲串的误码率,例如光孤子信号。 错误率测量系统包括:产生高重复率和短脉冲宽脉冲信号的电脉冲发生器; 光强度调制器,其接收通过通信网络中的传输路径传输的光脉冲信号和来自所述电脉冲发生器的电脉冲信号,其中所述光强度调制器检测到非重合信号; 用于延迟电脉冲信号的延迟电路,使得电脉冲信号与来自光强度调制器处的传输路径的光脉冲信号同步; 用于将来自光强度调制器的不一致信号转换为电信号的光电转换器; 以及信号处理器,其接收来自光电转换器的电信号,以基于电信号确定来自传输路径的光脉冲信号的误码率。