[問題] Oxygen RIE 蝕刻光阻
請問在使用O2 RIE蝕刻擁有grating結構的光阻時
要如何選擇氣體流量(快慢)、工作壓力(高低)、蝕刻時間(長短)
才不會蝕刻完結構有明顯的改變?
我蝕刻的主要目的是要把凹進去的殘餘光阻吃掉
好讓silicon露出來
--- ---- ----
|--| |--|
photoresist
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silicon wafer
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