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    • 62. 发明授权
    • Test apparatus for testing substrates at low temperatures
    • 用于在低温下测试基板的测试装置
    • US07046025B2
    • 2006-05-16
    • US10677178
    • 2003-10-02
    • Stefan SchneidewindClaus DietrichJorg KiesewetterFrank-Michael WernerAxel SchmidtMatthias Zieger
    • Stefan SchneidewindClaus DietrichJorg KiesewetterFrank-Michael WernerAxel SchmidtMatthias Zieger
    • G01R31/02
    • G01R31/2865G01R31/2806G01R31/2831G01R31/2887
    • A test apparatuss for testing substrates at low temperatures has a chuck, which can be displaced in the working area by means of a chuck drive, the temperature of which can be controlled using heating and cooling means. The chuck has a receiving surface for receiving a test substrate and holding means for fixing a substrate carrier which receives the test substrate. Spatially and thermally defined test conditions are maintained with minimal energy and labor costs both at room temperatures and at low temperatures. This is achieved by providing a vacuum chamber which surrounds the working area of the chuck. The chuck is on one side thermally decoupled from the uncooled chuck drive and on the other side is thermally connected in a releasable manner to the test substrate. The cooled chuck and the cooled test substrate are shielded from the thermal radiation of the surrounding uncooled assemblies by means of a directly cooled thermal radiation shield.
    • 用于在低温下测试基板的测试装置具有卡盘,该卡盘可以通过卡盘驱动器在工作区域中移动,卡盘驱动器的温度可以使用加热和冷却装置来控制。 卡盘具有用于接收测试基板的接收表面和用于固定接收测试基板的基板载体的保持装置。 空间和热定义的测试条件在室温和低温下以最小的能量和劳动成本维持。 这通过提供围绕卡盘的工作区域的真空室来实现。 卡盘在一侧与非冷却的卡盘驱动器热分离,另一侧以可释放的方式热连接到测试基板。 通过直接冷却的热辐射屏蔽将冷却的卡盘和冷却的测试基板与周围的未冷却组件的热辐射隔离。
    • 69. 发明申请
    • METHOD AND APPARATUS FOR CALCULATING AND CORRECTING FOR DIRECTIONAL DRILLING TOOL FACE OFFSETS
    • 方向钻孔工具的计算和校正方法和装置
    • US20120255780A1
    • 2012-10-11
    • US13082332
    • 2011-04-07
    • Axel Schmidt
    • Axel Schmidt
    • E21B47/02E21B7/10E21B7/04
    • E21B7/067
    • A method for correcting for tool face offset in directional drilling components, namely between a directional sensor reference point and a high side of a bent sub. Graduated markings applied on an outer surface of a UBHO sub containing the directional sensor and a reference marking on drill pipe indicating high side of the bent sub, or alternatively graduated markings applied to drill pipe relative to the high side of the bent sub and a reference marking on the outer surface of the UBHO, are together utilized to determine the tool face offset, which is then provided to a software program to permit the software programme to then indicate a correct bent sub angular orientation to the directional drilling operator at surface. Bottom hole components utilizing graduated markings on one of such bottom hole components and having a reference marking on the other of the components, are also disclosed.
    • 一种用于校正定向钻井部件中的工具面偏移的方法,即在方向传感器参考点和弯曲副的高侧之间。 施加在包含方向传感器的UBHO子的外表面上的刻度标记以及指示弯曲副的高侧的钻杆上的参考标记,或者相对于弯曲子的高侧施加到钻杆的刻度标记和参考 在UBHO的外表面上的标记被一起用于确定工具面偏移,然后将其提供给软件程序,以允许软件程序向表面上的定向钻削操作者指示正确的弯曲副角度取向。 还公开了在其中一个这样的底孔部件上利用刻度标记并在另一个部件上具有参考标记的底孔部件。