发明名称 HIGH SURFACE QUALITY GAN WAFER AND METHOD OF FABRICATING SAME
摘要 A method for producing a high quality wafer comprising Al x Ga y In z N, wherein 0<y‰¤1 and x+y+z=1, the method comprising the steps of: chemically mechanically polishing (CMP) said Al x Ga y In z N wafer blank at its Ga-side utilizing an acidic CMP slurry comprising abrasive particles having particle sizes of less than 200 nm, an acid, and optionally at least one oxidizing agent.
申请公布号 EP1404902(A1) 申请公布日期 2004.04.07
申请号 EP20020739625 申请日期 2002.06.04
申请人 ADVANCED TECHNOLOGY MATERIALS, INC. 发明人 XU, XUEPING;VAUDO, ROBERT, P.
分类号 C30B25/02;C30B25/18;B24B1/00;B82Y15/00;C09G1/02;C09K3/14;C30B25/04;C30B29/38;C30B29/40;C30B33/00;G01Q30/12;H01L21/02;H01L21/304;H01L21/306;H01L21/321;H01L33/00;(IPC1-7):C30B25/02 主分类号 C30B25/02
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