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    • 6. 发明授权
    • Multiple-capture DFT system to reduce peak capture power during self-test or scan test
    • 多捕捉DFT系统,可在自检或扫描测试期间降低峰值捕获能力
    • US08091002B2
    • 2012-01-03
    • US12797302
    • 2010-06-09
    • Laung-Terng WangShianling WuZhigang JiangJinsong LiuHao-Jan ChaoLizhen YuFeifei ZhaoFangfang LiJianping Yan
    • Laung-Terng WangShianling WuZhigang JiangJinsong LiuHao-Jan ChaoLizhen YuFeifei ZhaoFangfang LiJianping Yan
    • G01R31/28
    • G01R31/3177G01R31/31704G01R31/318552G01R31/318594
    • A method for providing ordered capture clocks to detect or locate faults within N clock domains and faults crossing any two clock domains in an integrated circuit or circuit assembly in scan-test or self-test mode, where N>1, each clock domain having one capture clock and a plurality of scan cells, each capture clock comprising a plurality of capture clock pulses; said method comprising: (a) generating and shifting-in N test stimuli to all said scan cells within said N clock domains in said integrated circuit or circuit assembly during a shift-in operation; (b) applying an ordered sequence of capture clocks to all said scan cells within said N clock domains, the ordered sequence of capture clocks comprising at least a plurality of capture clock pulses from two or more selected capture clocks placed in a sequential order such that all clock domains are never triggered simultaneously during a capture operation; and (c) analyzing output responses of all said scan cells to locate any faults therein.
    • 一种用于提供有序捕获时钟的方法,用于检测或定位N个时钟域内的故障,以及在扫描测试或自检模式下跨过集成电路或电路组件中的任何两个时钟域的故障,其中N> 1,每个时钟域具有一个 捕获时钟和多个扫描单元,每个捕获时钟包括多个捕获时钟脉冲; 所述方法包括:(a)在移入操作期间,在所述集成电路或电路组件中的所述N个时钟域内产生和移入N个测试刺激; (b)将所述捕获时钟的有序序列应用于所述N个时钟域内的所有所述扫描单元,所述捕获时钟的有序序列包括至少多个捕获时钟脉冲,所述捕获时钟脉冲以两个或更多个选定的捕获时钟以顺序排列,使得 在捕获操作期间,所有时钟域不会同时触发; 和(c)分析所有所述扫描单元的输出响应以定位其中的任何故障。
    • 10. 发明申请
    • APPARATUS AND METHODS FOR LIGHT BEAM ROUTING IN TELECOMMUNICATION
    • 电子束光束路由装置及方法
    • US20150286187A1
    • 2015-10-08
    • US14000203
    • 2012-02-15
    • Neil CollingsAndreas GeorgiouMarua Michelle RedmondBrian RobertsonJinsong LiuWilliam CrosslandJohn Richard MooreDaping Chu
    • Neil CollingsAndreas GeorgiouMarua Michelle RedmondBrian RobertsonJinsong LiuWilliam CrosslandJohn Richard MooreDaping Chu
    • G03H1/08G02B5/32G03H1/22
    • G03H1/0841G02B5/32G02B6/3558G02B6/3588G02F1/136277G03H1/0808G03H1/2294G03H2001/0816G03H2001/085G03H2210/44G03H2222/31G03H2225/32G03H2225/60G03H2226/02H04Q11/0005
    • We describe a LCOS (liquid crystal on silicon) telecommunications light beam routing device, the device comprising: an optical input; a plurality of optical outputs; a LCOS spatial light modulator (SLM) in an optical path between said input and said output, for displaying a kinoform; a data processor, coupled to said SLM, configured to provide kinoform data for displaying said kinoform on said SLM; wherein said kinoform data defines a kinoform which routes a beam from said optical input to a selected said optical output; wherein said data processor is configured to input routing data defining said selected optical output and to calculate said kinoform data for routing said beam responsive to said routing data; and wherein said data processor is configured to calculate said kinoform data by: determining an initial phase pattern for said kinoform; calculating a replay field of said phase pattern; modifying an amplitude component of said replay field to represent a target replay field for said beam routing, retaining a phase component of said replay field to provide an updated replay field; performing a space-frequency transform on said updated replay field to determine an updated phase pattern for said kinoform; and repeating said calculating and updating of said replay field and said performing of said space-frequency transform until said kinoform for display is determined; and outputting said data for display on said LCOS SLM.
    • 我们描述了LCOS(硅上液晶)通信光束路由设备,该设备包括:光输入; 多个光输出; 在所述输入和所述输出之间的光路中的LCOS空间光调制器(SLM),用于显示kinoform; 耦合到所述SLM的数据处理器,被配置为提供用于在所述SLM上显示所述kinoform的kinoform数据; 其中所述kinoform数据定义将来自所述光输入的光束路由到所选择的所述光输出的kinoform; 其中所述数据处理器被配置为输入定义所述选择的光输出的路由数据并且计算所述kinoform数据以响应所述路由数据路由所述波束; 并且其中所述数据处理器被配置为通过以下步骤来计算所述kinoform数据:确定所述kinoform的初始相位模式; 计算所述相位图案的重放场; 修改所述重放场的幅度分量以表示所述波束路由的目标重播域,保留所述重播域的相位分量以提供更新的重播域; 对所述更新的重放字段执行空间频率变换以确定所述kinoform的更新的相位模式; 并且重复所述重放场的计算和更新以及所述执行所述空间 - 频率变换直到确定显示的所述kinoform为止; 并输出所述数据以在所述LCOS SLM上显示。