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    • 2. 发明授权
    • Probe station for on-wafer-measurement under EMI-shielding
    • 探测台用于EMI屏蔽下的晶圆测量
    • US08344744B2
    • 2013-01-01
    • US12818442
    • 2010-06-18
    • Axel SchmidtBotho HirschfeldStojan KanevAndrej RumiantsevMichael Teich
    • Axel SchmidtBotho HirschfeldStojan KanevAndrej RumiantsevMichael Teich
    • G01R31/00
    • G01R31/2886G01R1/18
    • An arrangement is provided for testing DUTs with a chuck that has a support surface for supporting of a DUT as well as for supplying the support surface with a defined potential, or for connecting the DUT. The arrangement further includes a positioning device for positioning the chuck as well as an electromagnetic shielding housing enclosing at least the chuck. Inside the housing and adjacent to the chuck, a signal preamplifier is arranged whose signal port facing the chuck is electrically connected with the support surface, wherein the signal preamplifier is moveable together with the chuck by the positioning device in a way that it holds its position constant relative to the chuck during positioning. The signal preamplifier is connected to a measurement unit outside of the housing via a measurement cable.
    • 提供了一种用于使用具有用于支撑DUT的支撑表面以及用于向支撑表面提供限定电位或用于连接DUT的卡盘来测试DUT的布置。 该装置还包括用于定位卡盘的定位装置以及至少包围卡盘的电磁屏蔽壳体。 在壳体内部和卡盘附近,布置了一个信号前置放大器,其信号端口面向卡盘与支撑表面电连接,其中信号前置放大器可以通过定位装置与卡盘一起移动,使其保持其位置 在定位期间相对于卡盘是恒定的。 信号前置放大器通过测量电缆连接到壳体外部的测量单元。
    • 7. 发明申请
    • PROBE SUPPORT AND PROCESS FOR THE EXAMINATION OF TEST SUBSTRATES UNDER USE OF PROBE SUPPORTS
    • 在使用探测支持下检测测试基板的探测支持和过程
    • US20080116917A1
    • 2008-05-22
    • US11940354
    • 2007-11-15
    • Stojan KanevHans-Jurgen FleischerStefan KreissigKarsten StollAxel SchmidtAndreas Kittlaus
    • Stojan KanevHans-Jurgen FleischerStefan KreissigKarsten StollAxel SchmidtAndreas Kittlaus
    • G01R31/02
    • G01R31/2889G01R1/07342
    • A probe support for holding probes which serve for electrical contacting of test substrates in a prober for testing purposes is specified. A process for testing test substrates in such a prober is also specified. The probe support comprises a probe card holder, a probe card, and a probe card adapter, where the probe card and probe card adapter are electrically connected to one another as well as to a shield of electrically conductive material and are disposed in such a manner that the probe card lies in a passageway of a shield. The shield is disposed between the test substrates and the probe card holder and is electrically insulated from it. For testing test substrates their positioning with respect to the probes held in this manner is done by angular alignment of the contact surfaces of the test substrates to the sensor tips and the movement of the test substrates along a path which starts from a first reference position and is composed up to the first, and each additional, contact position of an x-component and a y-component (FIG. 2).
    • 规定了用于保持探头的探针支架,用于检测探针中的测试基板的电接触用于测试目的。 还规定了用于在这种探测器中测试测试底物的方法。 探针支架包括探针卡夹,探针卡和探针卡适配器,其中探针卡和探针卡适配器彼此电连接以及导电材料的屏蔽,并以这种方式设置 探针卡位于屏蔽的通道中。 屏蔽件设置在测试基板和探针卡保持器之间并且与其电绝缘。 为了测试测试基板,它们相对于以这种方式保持的探针的定位是通过将测试基板的接触表面与传感器尖端角度对准并沿着从第一参考位置开始的路径移动测试基板来进行的, 由x分量和y分量(图2)组成直到第一个和每个附加的接触位置。
    • 8. 发明授权
    • Chuck with triaxial construction
    • 夹头三轴结构
    • US08240650B2
    • 2012-08-14
    • US12048323
    • 2008-03-14
    • Michael TeichKarsten StollAxel SchmidtStojan KanevJörg Kiesewetter
    • Michael TeichKarsten StollAxel SchmidtStojan KanevJörg Kiesewetter
    • B25B1/00B23Q3/00G01R31/20F28F7/00B23B31/30B23B31/12
    • G01R1/04G01R31/2865H01L21/68714H01L21/68757Y10T279/11Y10T279/18
    • A chuck with triaxial construction comprises a receiving surface for a test substrate and arranged below the receiving surface: an electrically conductive first surface element, an electrically conductive second surface element electrically insulated therefrom, and an electrically conductive third surface element electrically insulated therefrom, and, between the first and the second surface element, a first insulation element and, between the second and the third surface element, a second insulation element. A chuck for very low current measurements which can be used to prevent the occurrence of leakage currents and a triboelectric charge and which is configured favourably in terms of production, is achieved because at least one of the electrically conductive surface elements is mechanically connected to at least one insulation element and has an elasticity that compensates for an expansion difference resulting from differences in different coefficients of expansion between a respective surface element and an adjoining insulation element.
    • 具有三轴结构的卡盘包括用于测试基板的接收表面并且布置在接收表面下方:导电的第一表面元件,与其电绝缘的导电的第二表面元件和与其电绝缘的导电的第三表面元件, 在第一和第二表面元件之间,第一绝缘元件和第二和第三表面元件之间的第二绝缘元件。 实现了用于非常低的电流测量的卡盘,其可用于防止泄漏电流和摩擦电荷的发生,并且在生产方面被有利地配置,这是因为至少一个导电表面元件至少机械地连接到 一个绝缘元件并且具有补偿由相应的表面元件和相邻绝缘元件之间的不同膨胀系数的差异引起的膨胀差的弹性。