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United States of America

APP PUB NO 20250109490A1
SERIAL NO

18895683

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method, system and apparatus for selectively forming aluminum oxide on a first surface of a substrate relative to a second different surface of the substrate, the process comprising one or more super-cycles comprising sub-cycles: a) selectively depositing aluminum nitride on the first surface of the substrate relative to the second different surface of the substrate by one or more selective deposition sub-cycles, b) oxidizing at least a portion of the aluminum nitride by one or more oxidizing sub-cycles, c) etching the aluminum oxide or aluminum nitride, or a combination thereof by one or more thermal etching sub-cycles wherein the etchant is an organic halide, and repeating sub-cycles a), b) or c), or a combination thereof until a desired thickness of an aluminum oxide is formed on the first surface.

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Patent Owner(s)

Patent OwnerAddress
ASM IP HOLDING B VVERSTERKERSTRAAT 8 ALMERE 1322 AP

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kachel, Krzysztof Kamil Chandler, US 13 2468

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