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    • 4. 发明授权
    • Abrasive sheet and method for producing same
    • 磨料片及其制造方法
    • US6007591A
    • 1999-12-28
    • US13716
    • 1998-01-26
    • Nobuyoshi Watanabe
    • Nobuyoshi Watanabe
    • B24D3/28B24D11/00B24D3/00B24D11/02
    • B24D3/285B24D11/001
    • An abrasive sheet for precisely abrading a workpiece surface includes an adhesive and an abrading layer made by drying a slurry which is a mixture of abrasive particles and a binder. The abrading layer is preferably of thickness less than about 1.5 times the average size of the abrading particles and has one surface attached to a plastic base sheet through a layer of the adhesive. At least some of the abrading particles in the abrading layer have their end parts at the other surface of the abrading layer which, together with these end parts of the abrading particles, forms a smooth flat abrading surface without irregularly distributed protrusions and indentations.
    • 用于精确研磨工件表面的研磨片包括粘合剂和通过干燥作为磨料颗粒和粘合剂的混合物的浆料制成的研磨层。 研磨层的厚度优选小于研磨颗粒的平均尺寸的约1.5倍,并且具有通过粘合剂层附着到塑料基片的一个表面。 研磨层中的至少一些研磨颗粒在研磨层的另一表面具有它们的端部,其与研磨颗粒的这些端部一起形成光滑的平坦研磨表面,而没有不规则分布的突出和凹陷。
    • 5. 发明授权
    • Disk holding apparatus
    • 磁盘保持装置
    • US5275424A
    • 1994-01-04
    • US964504
    • 1992-10-21
    • Nobuyoshi Watanabe
    • Nobuyoshi Watanabe
    • B24B21/00G11B17/028G11B23/00G11B25/04
    • G11B23/00G11B17/028Y10T279/1008Y10T279/1045Y10T279/17341Y10T279/17521
    • An apparatus for holding a disk with a central hole has a front rod which is received in a chuck so as to be able to move along its axis. The chuck is slidably received between the inner surface of a cylinder and the outer surface of the front rod. The front rod has on its front end an inverted truncated cone of which the maximum outer diameter is smaller than the diameter of the opening in the disk. When a part of the chuck is protruding from the cylinder, the disk can move past a bulge formed on the chuck and positioned on an expander. When the front rod is retracted into the cylinder, the inverted truncated cone moves inside the front end of the chuck so as to spread the chuck until it touches the inner surface of the opening of the disk, and the chuck is retracted along with the front rod so that the disk is firmly grasped and held between the front end of the cylinder and the bulge.
    • 用于保持具有中心孔的盘的装置具有容纳在卡盘中以便能够沿其轴线移动的前杆。 卡盘可滑动地容纳在气缸的内表面和前杆的外表面之间。 前杆在其前端具有倒圆锥体,其最大外径小于盘中开口的直径。 当卡盘的一部分从圆筒突出时,盘可以移动通过形成在卡盘上的凸起并且定位在扩展器上。 当前杆缩回到气缸中时,倒立的锥体在卡盘的前端内移动,以便卡住卡盘,直到其接触到盘的开口的内表面,并且卡盘与前部一起缩回 杆,使得盘被牢固地抓住并保持在气缸的前端和凸起之间。
    • 7. 发明申请
    • METHOD OF PRODUCING POLISHING SHEET
    • 生产抛光片的方法
    • US20100293865A1
    • 2010-11-25
    • US12744551
    • 2008-11-20
    • Nobuyoshi WatanabeKazunori Tani
    • Nobuyoshi WatanabeKazunori Tani
    • B24D11/00B24D3/00
    • B24D11/001B24D18/0054
    • A polishing sheet, having polishing particles fixed to a base sheet in a single-layer formation by an adhesive agent so as to be mutually separated in the direction of their plane and having cutting edges exposed and arranged to be coplanar, is produced by forming on a provisional base sheet a film of a provisional adhesive agent of a thickness smaller than the average diameter of the polishing particles, dispersing the polishing particles onto the film of the provisional adhesive agent so as to contact the provisional base sheet, pressing the base sheet covered with the adhesive agent onto the polishing particles with the adhesive agent facing towards the polishing particles, hardening the pressed adhesive agent, and removing the provisional base sheet and the film of the provisional adhesive agent. The polishing particles are charged in a same polarity when dispersed.
    • 抛光片通过粘合剂在单层形成中固定到基片上,以便在它们的平面方向相互分离并且具有暴露和平面设置的切割边缘的抛光颗粒通过形成在 临时基片,其厚度小于抛光颗粒的平均直径的临时粘合剂的膜,将抛光颗粒分散到临时粘合剂的膜上,以与临时基片接触,将覆盖的基片按压 将粘合剂粘附到抛光颗粒上,粘合剂面向抛光颗粒,硬化压制粘合剂,并除去临时基片和临时粘合剂膜。 抛光颗粒在分散时以相同的极性充电。