Etching of silicon by the RCA Standard Clean 1

被引:48
作者
Celler, GK [1 ]
Barr, DL [1 ]
Rosamilia, JM [1 ]
机构
[1] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA
关键词
D O I
10.1149/1.1390954
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
It is known that the RCA Standard Clean 1, which is used repeatedly during device fabrication, can cause etching of Si. In some process flows, such etching can be important when fabricating devices with thin films, for example, in silicon-on-insulator technology. We show that 25-30 Angstrom of Si is etched away by a modified version of the SCl clean (1:8:64 parts by weight of NH4OH, H2O2, and H2O), when it is applied for 10 min to a bare Si layer on top of SiO2. (C) 1999 The Electrochemical Society. S1099-0062(99)07-069-8. All rights reserved.
引用
收藏
页码:47 / 49
页数:3
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