Unsaturated oxygenated fluorocarbons for selective aniostropic etch applications

A mixture and a method comprising same for etching a dielectric material from a layered substrate are disclosed herein. Specifically, in one embodiment, there is provided a mixture for etching a dielectric material in a layered substrate comprising an unsaturated oxygenated fluorocarbon. The mixture...

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Main Authors BADOWSKI PETER R, SYVRET ROBERT GEORGE, MOTIKA STEPHEN ANDREW, JI BING, PEARLSTEIN RONALD MARTIN, BERGER KERRY RENARD, KARWACKI EUGENE JOSEPH
Format Patent
LanguageEnglish
Published 20.01.2005
Edition7
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Summary:A mixture and a method comprising same for etching a dielectric material from a layered substrate are disclosed herein. Specifically, in one embodiment, there is provided a mixture for etching a dielectric material in a layered substrate comprising an unsaturated oxygenated fluorocarbon. The mixture of the present invention may be contacted with a layered substrate comprising a dielectric material under conditions sufficient to at least partially react with and remove at least a portion of the dielectric material. In another embodiment of the present invention, there is provided a method for making an unsaturated oxygenated fluorocarbon.
Bibliography:Application Number: US20030619911