发明名称 WAFER MARKING
摘要 A wafer marking is constituted by a plurality of soft marks produced in the surface of a wafer. These soft marks are at least 4 mu m deep, have an inner diameter of at least 50 mu m and in a particularly advantageous manner have a minimum rise at their surface of 0.2. These recesses (12) can be produced by means of a corresponding technology with depths of up to 6 mu m.
申请公布号 WO9907016(A1) 申请公布日期 1999.02.11
申请号 WO1998DE02187 申请日期 1998.07.30
申请人 SIEMENS AKTIENGESELLSCHAFT;MARX, ECKHARD;GERHARD, DETLEF;FRANKE, STEFFEN 发明人 MARX, ECKHARD;GERHARD, DETLEF;FRANKE, STEFFEN
分类号 H01L21/02;H01L23/544;H01L29/30 主分类号 H01L21/02
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