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DEVICE FOR CONDITIONING POLISHING PADS UTILIZING BRAZED CUBIC BORON NITRIDE TECHNOLOGY

机译:利用钎焊立方氮化硼技术处理抛光垫的装置

摘要

A conditioning device having (200) cubic boron nitride cutting elements (205) brazed-bonded to the bottom surface of the device and suitably adopted for conditioning a workpiece polishing pad by moving across the pad while in contact with the pad. The conditioning device (200) may further include a flange (202) extending about the bottom periphery of the device (200) with the cubic boron nitride cutting elements (205) being attached to the bottom surface of the flange (202). The flange (202) may include cutout portions for permitting material to escape from the interior of the device (200). The cubic boron nitride cutting elements (205) are distributed substantially uniformly across the bottom surface of the flange (202) and the elements are brazed-bonded to the flange with a braised metal alloy, creating an extremely strong bond between the cutting elements (205) and the flange (202) surface. Further, the conditioning ring may be attached to a plurality of wafer carrier elements (124) so that the conditioning process occurs during the actual polishing of the wafers (101), or the conditioning ring may be attached to a mechanical arm which engages the ring against the polishing pad between wafer polishing steps. In either case, to enhance the conditioning process, the carrier element and/or the mechanical arm suitably rotates the conditioning ring about its axis and oscillates the ring back and forth across the polishing pad.
机译:一种调节装置,其具有(200)立方氮化硼切削元件(205)钎焊结合到该装置的底表面,并且适合用于通过在与所述垫接触的同时在所述垫上移动来调节工件抛光垫。调节装置(200)可进一步包括绕装置(200)的底部外围延伸的凸缘(202),立方氮化硼切割元件(205)附接到凸缘(202)的底表面。凸缘(202)可以包括用于允许材料从装置(200)的内部逸出的切口部分。立方氮化硼切割元件(205)基本上均匀地分布在法兰(202)的整个底表面上,并且这些元件通过钎焊金属合金钎焊到法兰上,从而在切割元件(205)之间形成了非常牢固的结合)和法兰(202)的表面。此外,调节环可以被附接到多个晶片载体元件(124),使得调节过程在晶片(101)的实际抛光期间发生,或者调节环可以被附接到与环接合的机械臂上。在晶片抛光步骤之间将其紧靠抛光垫。在任一种情况下,为了增强修整过程,承载元件和/或机械臂适当地使修整环绕其轴线旋转,并使修整环在抛光垫上来回摆动。

著录项

  • 公开/公告号WO9808651A1

    专利类型

  • 公开/公告日1998-03-05

    原文格式PDF

  • 申请/专利权人 SPEEDFAM CORPORATION;

    申请/专利号WO1997US15380

  • 发明设计人 HOLZAPFEL PAUL;

    申请日1997-08-28

  • 分类号B24B37/04;B24B53/007;B24D7/06;

  • 国家 WO

  • 入库时间 2022-08-22 02:52:04

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