发明名称 CUTTING DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a cutting device capable of singly performing circumferential processing and linear processing on a wafer. <P>SOLUTION: A cutting device for performing linear processing and circumferential processing on a workpiece comprises: a chuck table 6 which holds the workpiece; a first spindle 28 which is driven for rotation; a first cutting blade 38 which is attached to the first spindle for performing the linear processing on the workpiece held by the chuck table; and a second cutting blade 34 which has a diameter smaller than that of the first cutting blade and is attached to the first spindle with a predetermined distance in the axial direction of the first spindle from the first cutting blade, and which performs the circumferential processing on the workpiece held by the chuck table. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012043826(A) 申请公布日期 2012.03.01
申请号 JP20100180830 申请日期 2010.08.12
申请人 DISCO ABRASIVE SYST LTD 发明人 SEKIYA KAZUMA
分类号 H01L21/301;B24B9/00;H01L21/304 主分类号 H01L21/301
代理机构 代理人
主权项
地址