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    • 55. 发明公开
    • Method and Composition for Restoring Dielectric Properties of Porous Dielectric Materials
    • 一种用于恢复多孔Dielektrizitätsmaterialien的介电性质的方法和组合物
    • EP1923905A2
    • 2008-05-21
    • EP07120803.7
    • 2007-11-15
    • Air Products and Chemicals, Inc.
    • Tamboli, Dnyanesh ChandrakantRao, Madhukar BhaskaraO'Neill, Mark Leonard
    • H01L21/02
    • H01L21/3105H01L21/0206H01L21/02093
    • The present invention provides a method for restoring the dielectric properties of a porous dielectric material. The method comprises providing a substrate comprising at least one layer of a porous dielectric material comprising a contaminant comprising at least one entrapped liquid having a surface tension, wherein the porous dielectric material comprising the at least one contaminant has a first dielectric constant. The substrate is contacted with a restoration fluid comprising water and at least one compound having a surface tension that is less than the surface tension of the at least one entrapped liquid in the at least one layer of a porous dielectric material. Upon drying, the porous dielectric material has a second dielectric constant that is lower than the first dielectric constant and all constituents of the restoration fluid are removed upon drying.
    • 本发明提供用于恢复的多孔电介质材料的介电性能的方法。 该方法包括提供一基板,其包括多孔电介质材料,其包含的污染物包括至少一种包埋液具有表面张力,worin多孔介电材料,其包含所述至少一种污染物具有第一介电常数的至少一个层。 基板与修复流体包含水和具有表面张力确实的至少一种化合物接触,小于在多孔介电材料的至少一层,所述至少一个夹带液体的表面张力。 在干燥时,该多孔介电材料具有第二介电常数比所做的第一介电常数和修复流体的所有成分在干燥后除去低。