[問題] Oxide dry etching profile
大家好
目前有一項實驗在調整氧化層的側壁形狀
目前做出來接近垂直
為了後續鍍鋁避免覆蓋不良希望做出梯形的profile
目前使用的氣體種類有CHF3 SF6 O2 HE
請問要如何調整比較有機會達成目的呢???
第一次提問
先感謝大家的指教
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