发明名称 Wafer cutting using laser marking
摘要 An embodiment of the present invention includes a chuck, an imaging sensor, and a laser. The chuck holds a wafer having a front side attached to a tape. The imaging sensor obtains a scribe pattern on the front side through the tape. The laser is mounted above the chuck to mark an alignment pattern on a back side of the wafer based on the scribe pattern.
申请公布号 US6930276(B2) 申请公布日期 2005.08.16
申请号 US20040777610 申请日期 2004.02.12
申请人 INTEL CORPORATION 发明人 NEPOMUCENO LAMBERTO V.;ATIENZA, JR. REYNALDO S.;TAAR REGINALD T.
分类号 B23K26/03;B23K26/08;B23K26/36;H01L21/301;H01L21/44;H01L21/48;H01L21/50;H01L21/78;(IPC1-7):B23K26/03 主分类号 B23K26/03
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