期刊
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
卷 2, 期 1, 页码 P20-P25出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.021301jss
关键词
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资金
- Texas Engineering Experiment Station
- Department of Mechanical Engineering
- Texas AM University
Boron nanoparticles (NPs) were synthesized using a home-built chemical vapor deposition system. These NPs were crystallized at 900 degrees C that is lower than previous report. The size of boron NPs ranged from similar to 5 nm to similar to 1 mu m. This was achieved by varying the volatilizing temperature of boron tribromide. Subsequently, boron NPs were oxidized by heat-treatment in air. Small-size oxidized boron NPs were investigated as an additive to SiO2 slurry. It was found that the slurry has an enhanced chemical-mechanical planarization (CMP) performance with the addition of those boron NPs. Results showed that the copper removal rate was increased while friction coefficient was reduced, a desirable condition for optimizing CMP processes. The outcome of this research is beneficial to process improvement in semiconductor industry. (C) 2012 The Electrochemical Society. All rights reserved.
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