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    • 8. 发明授权
    • Probe type shape measuring sensor, and NC processing equipment and shape measuring method using the sensor
    • 探头型形状测量传感器,数控加工设备和使用传感器的形状测量方法
    • US06539642B1
    • 2003-04-01
    • US09763747
    • 2001-02-27
    • Sei MoriyasuYutaka YamagataHitoshi OhmoriShinya Morita
    • Sei MoriyasuYutaka YamagataHitoshi OhmoriShinya Morita
    • G01B520
    • G01B21/20G01B11/007G01B11/2441
    • A probe head 10 and a laser interferometric displacement meter 20 are provided. The probe head supports a probe 2 that is capable of contacting a workpiece 1, that is free to move in the direction of the workpiece, and drives the probe towards the workpiece. The displacement meter measures the displacement of the probe with a high accuracy without contact. The probe head 10 is also provided with a probe shaft 12 with steps 11a, 11b at intermediate portions thereof and air bearings 14a, 14b that support the probe shaft on each side of the steps. The air bearings have a high stiffness in the radial direction, and the probe shaft is made to float by using compressed air, thus the resistance of the shaft to sliding is reduced. In addition, another compressed air is supplied to the location of the step and produces a driving force in the direction of the workpiece due to the difference of cross sectional areas on each side of the step, that provides a very small load within a predetermined range. Thereby, the measuring pressure can be adjusted to a constant very small load without reducing the stiffness of the bearings of the probe, and the measuring pressures can be varied freely. Therefore, a sub-micron accuracy of about 0.1 &mgr;m can be obtained, and the equipment can be made compact and is easily applied to on-machine measurements.
    • 提供探针头10和激光干涉位移计20。 探头支撑探头2,该探头2能够接触工件1,该工件可自由地沿工件的方向移动,并将探头驱动向工件。 位移仪可以高精度地测量探头的位移而不接触。 探针头10还设置有探针轴12,其中间部分具有台阶11a,11b,以及在台阶的每一侧支撑探针轴的空气轴承14a,14b。 空气轴承在径向上具有高刚度,并且通过使用压缩空气使探针轴浮动,从而减小了轴的滑动阻力。 此外,另一压缩空气被供给到台阶的位置,并且由于台阶两侧的横截面积的差异而在工件的方向上产生驱动力,其在预定范围内提供非常小的载荷 。 因此,可以将测量压力调整到恒定的非常小的负载,而不降低探针的轴承的刚度,并且测量压力可以自由变化。 因此,可以获得约0.1μm的亚微米精度,并且可以使设备紧凑并且容易地应用于机上测量。
    • 10. 发明授权
    • Sustained-release preparation of physiologically active polypeptide and production thereof
    • 生理活性多肽的缓释制剂及其制备
    • US06482864B1
    • 2002-11-19
    • US09319023
    • 1999-05-28
    • Yutaka YamagataMasafumi MisakiSusumu Iwasa
    • Yutaka YamagataMasafumi MisakiSusumu Iwasa
    • A61K4732
    • A61K9/1647A61K38/27Y10S514/964
    • A method for producing a sustained-release preparation, which comprises dispersing a physiologically active polypeptide into an organic solvent solution of a biodegradable polymer and removing the organic solvent, wherein the polypeptide is a powder obtained by lyophilizing an aqueous solution of the polypeptide which solution has a water-miscible organic solvent and/or a volatile salt; which improves the ease of handling of the physiologically active polypeptide powder in the process for producing the preparation; which makes it possible to industrially produce the sustained-release preparation in large scale; which provides a sustained-release preparation showing high and stable concentration of the active component in blood in long term, low initial release ratio of the physiologically active polypeptide, and high entrapment ratio of the polypeptide into the sustained-release preparation.
    • 一种缓释制剂的制备方法,其包括将生理活性多肽分散到生物可降解聚合物的有机溶剂溶液中并除去有机溶剂,其中所述多肽是通过将多肽溶液冻干得到的粉末 水混溶性有机溶剂和/或挥发性盐; 这提高了在制备该制剂的过程中易于处理生理活性多肽粉末; 这使得可以大规模地工业生产缓释制剂; 其提供持续释放制剂,其显示出高生产活性多肽的长期,低的初始释放比例以及所述多肽进入缓释制剂的高滞留比,从而高效稳定血液中活性成分的浓度。