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Study of Under Etching Characters of Si (100) in Surfactant Added TMAH
Hu, Qifang ; Gao, Chengchen ; Hao, Yilong ; Zhang, Yangxi
2011
关键词TMAH Under etching Surfactant
英文摘要This work focuses on the etching characteristic of (100) silicon wafer in surfactant added tetramethyl-ammonium-hydroxide (TMAH:(CH3)(4)NOH) solution. The experimental result shows that under etching effect in TMAH achieves a significant reduction by adding fatty alcohol ethoxylate (R-O (CH2-CH2)(n)-OH) in the solution. Synperonic-A series fatty-alcohol-ethoxylate with increasing length of ethylene oxide segments are used to carry out the experiment. Comparing with the pure TMAH, the maximum under etching rate in the surfactant added TMAH is reduced to three quarters. The etching loss of convex corners is negligible for shallow to medium-deep etching (<30 mu m).; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000308677000006&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; EI; CPCI-S(ISTP); 1
语种英语
DOI标识10.4028/www.scientific.net/KEM.483.34
内容类型其他
源URL[http://ir.pku.edu.cn/handle/20.500.11897/293164]  
专题信息科学技术学院
推荐引用方式
GB/T 7714
Hu, Qifang,Gao, Chengchen,Hao, Yilong,et al. Study of Under Etching Characters of Si (100) in Surfactant Added TMAH. 2011-01-01.
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