Method and apparatus for processing a substrate
A method for processing a substrate includes a step of providing a substrate and a first step. In the step of providing a substrate, a substrate having a first film and a second film formed on the first film and having a pattern formed thereon is provided. In the first step, a protective film is for...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
14.12.2021
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Subjects | |
Online Access | Get full text |
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Summary: | A method for processing a substrate includes a step of providing a substrate and a first step. In the step of providing a substrate, a substrate having a first film and a second film formed on the first film and having a pattern formed thereon is provided. In the first step, a protective film is formed on a side wall of the first film by a product generated by sputtering of the second film while a first processing gas is turned into plasma and the first film is etched simultaneously with the sputtering of the second film. |
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Bibliography: | Application Number: US202016910093 |