Negative ion deductive source for etching high aspect ratio stru

Etching a substrate: processes – Gas phase etching of substrate – Application of energy to the gaseous etchant or to the...

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156345, 20429837, 438732, 438729, H05H 100

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active

057831025

ABSTRACT:
A method of manufacturing semiconductor chips uses negative plasma etching. The plasma may be produced by an inductive plasma source. A magnetic field is used to reduce diffusion of hot electrons, producing a uniform negative plasma to etch a work piece.

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