发明名称 Wafermarkierung
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 DE19733410(A1) 申请公布日期 1999.02.18
申请号 DE1997133410 申请日期 1997.08.01
申请人 SIEMENS AG, 80333 MUENCHEN, DE 发明人 MARX, ECKHARD, DIPL.-ING., 01471 RADEBURG, DE;GERHARD, DETLEF, DIPL.-ING., 81739 MUENCHEN, DE;FRANKE, STEFFEN, 01109 DRESDEN, DE
分类号 H01L21/02;H01L23/544;H01L29/30;(IPC1-7):H01L23/544 主分类号 H01L21/02
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