发明名称 GRINDING DEVICE FOR CIRCULAR PLATE-LIKE WORK
摘要 <P>PROBLEM TO BE SOLVED: To provide a polishing device provided with a supporting method and a means preventing occurrence of destruction of a work and without a necessity of frequent replacement of a supporting roller in the polishing device without a necessity of providing an exclusive driving means for rotating and driving the work, and capable of moving a dress unit for upper and lower surface plates to a dressing position without providing a special driving means. <P>SOLUTION: The circular plate-like work is sandwiched between upper and lower polishing surface plates 411, 421, guided by a guide/polishing block 51 and rotated around the center of the work W. The center of the work and the centers of the upper and lower polishing surface plates 411, 421 are shifted from each other, and also one center is swung and moved. The polishing of the plane and circumferential surface of the work W is finished at the same time according to displacement, swinging distance and the other adjustment. <P>COPYRIGHT: (C)2003,JPO
申请公布号 JP2003260655(A) 申请公布日期 2003.09.16
申请号 JP20020060670 申请日期 2002.03.06
申请人 SPEEDFAM CO LTD 发明人 NAGAYAMA HITOSHI
分类号 B24B37/08;B24B53/017;B24B53/02;H01L21/304 主分类号 B24B37/08
代理机构 代理人
主权项
地址