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    • 14. 发明授权
    • Optical transmission and receiving device for implementing passive alignment of components and method for passively aligning components
    • 用于实现部件的被动对准的光发送和接收装置以及用于被动对准部件的方法
    • US09103984B2
    • 2015-08-11
    • US13512478
    • 2011-09-19
    • Yung Sung SonSang-Shin LeeHak-Soon LeeJun-Young Park
    • Yung Sung SonSang-Shin LeeHak-Soon LeeJun-Young Park
    • G02B6/12G02B6/26G02B6/42G02B6/32G02B6/34
    • G02B6/423G02B6/26G02B6/32G02B6/34G02B6/4206G02B6/4214G02B6/4231G02B6/4239G02B6/424G02B6/4243G02B6/4244G02B6/4245G02B6/4249G02B6/425G02B6/4257G02B6/4277Y10T29/49895
    • An optical device for implementing passive alignment of parts and a method therefore, more particularly an optical device and a method therefore that utilize an alignment reference part 115 arranged on the substrate 110 to passively align an optical element part 111 with a lens-optical fiber connection part 120. For the passive alignment of parts, connection pillars 115b of an alignment reference part 115 are coupled to substrate holes 114, one or more light-emitting elements 111a and one or more light-receiving elements 111b are aligned in a row in a particular interval with respect to alignment holes 115a arranged opposite each other in the alignment reference part 115, a lens-optical fiber connection part 120 is aligned with respect to the alignment holes 115a, and an optical fiber 133 is aligned with the optical alignment point at a surface 122b of a prism forming a portion of the lens-optical fiber connection part 120. In addition, the optical fiber 133 is secured with an optical fiber pin 131, after which a metal case 143 is covered and coupled with a case securing pin 141. The optical device for implementing passive alignment of parts provides the advantages of simplifying the passive optical alignment for multiple channels, so as to minimize alignment error, and of reducing and simplifying the structure of the optical modules and minimizing the number of parts used, so as to lower the costs of the optical modules.
    • 一种用于实现部件的无源对准的光学装置及其方法,更具体地说,涉及一种利用布置在基板110上的对准基准部分115的光学装置和方法,以将光学元件部分111与透镜光纤连接 对于部件的被动对准,对准参考部件115的连接柱115b联接到基板孔114,一个或多个发光元件111a和一个或多个光接收元件111b在 相对于对准基准部115相对配置的对准孔115a的特定间隔,透镜光纤连接部120相对于对准孔115a排列,光纤133与光取向点对准 形成透镜光纤连接部分120的一部分的棱镜的表面122b。此外,光纤133用光学 光纤销131,之后金属外壳143被覆盖并与壳体固定销141耦合。用于实现部件的被动对准的光学装置提供了简化多个通道的无源光学对准的优点,从而最小化对准误差, 并且减少和简化光学模块的结构并最小化所使用的部件的数量,以便降低光学模块的成本。
    • 17. 发明授权
    • Apparatus and method for testing circuit characteristics by using eye mask
    • 使用眼罩测试电路特性的装置和方法
    • US07656181B2
    • 2010-02-02
    • US11490984
    • 2006-07-21
    • Woo-Seop KimJun-Young ParkSung-Je HongSung-Bum ChoByung-Se SoHyun-Chul Kang
    • Woo-Seop KimJun-Young ParkSung-Je HongSung-Bum ChoByung-Se SoHyun-Chul Kang
    • G01R31/26
    • G01R31/3171G11C29/02G11C29/022G11C29/50012G11C29/56
    • A test apparatus capable of detecting input/output (I/O) circuit characteristics of a semiconductor device by analyzing an eye mask generated in the test apparatus and the waveform of a test signal output from the I/O circuit of the semiconductor device. The test apparatus includes an eye mask generator that generates an eye mask in synchronization with one or more clock signals of opposite phase to each other, an error detector that receives the eye mask from the eye mask generator and compares the test signal with the eye mask to determine whether an error occurs in the semiconductor device, and an error signal output unit that receives an error detection signal from the error detector and generates an error signal in response to the error detection signal. In particular, the eye mask generator includes a sine wave generator that generates one or more sine waves of opposite phase to each other in synchronization with one or more clock signals, and a limiter circuit that receives the sine waves and generates the eye mask by adjusting the amplitudes of the sine waves.
    • 一种能够通过分析在测试装置中产生的眼罩和从半导体器件的I / O电路输出的测试信号的波形来检测半导体器件的输入/输出(I / O)电路特性的测试装置。 所述测试装置包括与彼此相反相位的一个或多个时钟信号同步地生成眼罩的眼罩发生器,从眼罩发生器接收眼罩并将测试信号与眼罩相比较的误差检测器 以确定半导体器件中是否发生错误;以及误差信号输出单元,其接收来自误差检测器的误差检测信号,并响应于误差检测信号产生误差信号。 特别地,眼罩发生器包括正弦波发生器,其与一个或多个时钟信号同步地产生彼此相反相位的一个或多个正弦波,以及限制器电路,其接收正弦波并通过调整产生眼罩 正弦波的幅度。