发明名称 WAFER MANUFACTURING METHOD, POLISHING APPARATUS, AND WAFER
摘要 The present invention provides a wafer manufacturing method and a wafer polishing apparatus which enable control of sags in a periphery of a wafer and improvement of nanotopology values thereof that is strongly required recently, and a wafer. In a polishing process for making a mirror surface of the wafer, a back surface of the wafer is polished to produce a reference plane thereof.
申请公布号 US2009057840(A1) 申请公布日期 2009.03.05
申请号 US20080263867 申请日期 2008.11.03
申请人 SHIN-ETSU HANDOTAI CO., LTD. 发明人 NETSU SHIGEYOSHI;MASUMURA HISASHI
分类号 H01L23/00;H01L21/302;H01L21/306 主分类号 H01L23/00
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