EFFECT OF MAGNETIC-FIELD TO ETCHING CHARACTERISTICS OF INDUCTIVELY-COUPLED PLASMA

被引:6
|
作者
JIWARI, N [1 ]
FUKASAWA, T [1 ]
NAKAMURA, A [1 ]
KUBOTA, K [1 ]
SHINDO, H [1 ]
HORIIKE, Y [1 ]
机构
[1] FUKUYAMA UNIV,FAC ENGN,FUKUYAMA,HIROSHIMA 72902,JAPAN
关键词
PLASMA ETCHING; HELICON WAVE PLASMA; SIO2; ETCHING; HIGH DENSITY PLASMA;
D O I
10.1143/JJAP.33.4454
中图分类号
O59 [应用物理学];
学科分类号
摘要
As a first attempt, SiO2 etching characteristic is studied in a plasma produced by partially propagating helicon wave. The plasma is produced employing a ring magnet whose field profile has a zero point. Highly selective SiO2 etching is attainable in a down stream where the electron energy is fairly low, because no propagation of helicon wave and thus no radio frequency (RF) held exist there. The propagation is found by the wave pattern measurements.
引用
收藏
页码:4454 / 4457
页数:4
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