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二氧化硅的表面改性
Modifying SiO2 Surface State
【摘要】 本文提出一种改变SiO2表面特性的新方法.当用一定能量的电子轰击二氧化硅表面时,二氧化硅的腐蚀特性发生了很大变化.在同一工艺条件下,未经电子轰击的二氧化硅腐蚀速率为700—1000A/分,经电子轰击的二氧化硅腐蚀速率近于零.
【Abstract】 A novel technique for modifying SiO2 surface state is presented. After the SiO2 surfaceis bombarded by electrons under certain energy,the variation of etching rate is observed ap-parently.The etch rate of unbombarded SiO2 is about 700-1000 A/min.However,no obvious-ly etching is observed for bombarded samples.
- 【文献出处】 半导体学报 ,Chinese Journal of Semiconductors , 编辑部邮箱 ,1988年02期
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