Pressure purge etch method for etching complex 3-D structures

A method for etching a substrate and removing byproducts includes (a) setting process parameters of a processing chamber for a selective dry etch process; (b) setting process pressure of the processing chamber to a first predetermined pressure in a range from 1 Torr to 10 Torr for the selective dry...

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Bibliographische Detailangaben
Hauptverfasser: PARK, PIL-YEON, GUHA, JOYDEEP
Format: Patent
Sprache:chi ; eng
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