LOW TEMPERATURE DIRECT ELECTROLESS NICKEL PLATING ON SILICON WAFER

被引:3
|
作者
Jain, Chao-Chi [1 ]
Wang, Shiuan-Sheng [1 ]
Chuang, Tung-Han [1 ]
Yang, Sang-Ray [1 ]
机构
[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 106, Taiwan
关键词
electroless nickel; silicon wafer; ethanol pretreatment; adhesion strength; CHEMICAL-DEPOSITION; SI;
D O I
10.1080/02533839.2009.9671490
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In the study of electroless nickel (EN) plating on n-type (100) silicon wafers, a relatively low-temperature alkaline plating process is developed. Further experiments show that simple ethanol pretreatment of the substrate is practicable for obtaining an EN layer with a good adhesion strength of about 9.8 to 14.7 MPa. Both sodium tungstate and sodium fluoride can be used to decrease the threshold plating temperature from near 80 degrees C to 65 degrees C. The phosphorous content of the as-plated layer is slightly higher than 7 wt.%.
引用
收藏
页码:137 / 140
页数:4
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