发明授权
US06740595B2 Etch process for recessing polysilicon in trench structures 有权
用于在沟槽结构中凹陷多晶硅的蚀刻工艺

Etch process for recessing polysilicon in trench structures
摘要:
A method for eching a recess in a polysilicon region of a semiconductor device by applying a solution of NH4OH in water to the polysilicon.
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