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Implementation of slow and smooth etching of GaN by inductively coupled plasma 被引量:2
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作者 Xilin Li Ping Ma +4 位作者 Xiaoli Ji Tongbo Wei Xiaoyu Tan Junxi Wang Jinmin Li 《Journal of Semiconductors》 EI CAS CSCD 2018年第11期19-24,共6页
Slow and smooth etching of gallium nitride(GaN) by BCl;/Cl;-based inductively coupled plasma(ICP)is investigated in this paper. The effects of etch parameters, including ICP power, radio frequency(RF) power, the... Slow and smooth etching of gallium nitride(GaN) by BCl;/Cl;-based inductively coupled plasma(ICP)is investigated in this paper. The effects of etch parameters, including ICP power, radio frequency(RF) power, the flow rate of Cl;and BCl;, on GaN etch rate and etch surface roughness RMS are discussed. A new model is suggested to explain the impact mechanism of the BCl;flow rate on etch surface roughness. An optimized etch result of a slow and smooth etch surface was obtained; the etch rate and RMS were 0.36 ?/s and 0.9 nm, respectively. 展开更多
关键词 GAN ICP slow etching smooth etching
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