[問題] icp 蝕刻 silicon
我請人幫我製作e beam writer
上的光阻是pmma a4
厚度約200nm
因本實驗室沒有這方面的經驗
但有負型光阻nr7-1000p
有去做過icp的參數
STEP1 STEP2
CF4 20
CL2 20
ICP POWER 600 600
BIAS POWER 200 200
PRESSURE 4 4
TIME 60s 約1-2min
我只要蝕刻silicon,pattern是光柵狀的,週期360nm,線寬180nm
不知是否可用上面nr7-100的參數來對應pmma的參數?
我最後有做硬烤的動作 100度/90sec
不知pmma是否耐不耐打?
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