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Zhao Huibing, Zhao Ming, Wang Yonghe: Track circuit primary parameter high-precision rapid ground measuring method and measuring apparatus thereof. Beijing Jiaoda Sinuo Sci &Amp Tech, zhang tiebang, September 15, 2004: CN200310100383

The invention relates to a rail-circuit primary-parameter high-precision quick ground testing method and device, transmitting signal between rails and adopting two-end short circuit by short circuit line to make it, during testing, only testing six scalar voltage values, and then simply calculating ...


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Li Yizhang, Liu Anhong, Wang Yonghe, Zhao Yongqing, Li Yaorong: Modular high frequency detection card. Chipmos Technologies, shou ning zhang huahui, February 28, 2007: CN200510093070

The invention relates to a modularized high-frequency detecting card, which comprises: one detecting panel, one circuit carrier plate, and one interface plate between them, wherein said detecting panel has dual contain holes at the back, while dual decouple elements are embedded into said holes to b ...


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Li Yizhang, Liu Anhong, Wang Yonghe, Zhao Yongqing, Huang Xiangming: Banks of elastic probe, and fabricating method. Nanmao Tech, shou ning zhang huahui, February 21, 2007: CN200510093180

A method for preparing a row of elastic probe includes providing a base plate and forming the first photo resist layer on said base plate, forming the second photo resist layer on the first one, patterning the second photo resist layer to form multiple trenches and forming multiple elastic probe in ...



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