Gas mixture including hydrogen fluoride, alcohol and an additive for preventing stiction of and/or repairing high aspect ratio structures

A gas mixture for treating a substrate in a substrate processing system includes hydrogen fluoride gas, a vapor of an alcohol, an additive consisting of a base, and a carrier gas. The gas mixture can be used to treat high aspect ratio (HAR) structures arranged on a surface of a substrate. A surface...

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Hauptverfasser: ZHU, JI, MELAET, GEROME MICHEL DOMINIQUE, LAVDOVSKY, NATHAN, MUI, DAVID, DYLEWICZ, RAFAL
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MELAET, GEROME MICHEL DOMINIQUE
LAVDOVSKY, NATHAN
MUI, DAVID
DYLEWICZ, RAFAL
description A gas mixture for treating a substrate in a substrate processing system includes hydrogen fluoride gas, a vapor of an alcohol, an additive consisting of a base, and a carrier gas. The gas mixture can be used to treat high aspect ratio (HAR) structures arranged on a surface of a substrate. A surface of the substrate may be spin rinsed using a first rinsing liquid. The first rinsing liquid is spun off from the surface of the substrate. The gas mixture is directed onto the surface of the substrate after the first rinsing liquid is dispensed.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Gas mixture including hydrogen fluoride, alcohol and an additive for preventing stiction of and/or repairing high aspect ratio structures
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