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Formation of a masking layer on a dielectric region to facilitate formation of a capping layer on electrically conductive regions separated by the dielectric region
Formation of a masking layer on a dielectric region to facilitate formation of a capping layer on electrically conductive regions separated by the dielectric region
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机译:在介电区上形成掩模层以促进在由介电区分开的导电区上形成覆盖层
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摘要
A masking layer is formed on a dielectric region of an electronic device so that, during subsequent formation of a capping layer on electrically conductive regions of the electronic device that are separated by the dielectric region, the masking layer inhibits formation of capping layer material on or in the dielectric region. The capping layer can be formed selectively on the electrically conductive regions or non-selectively; in either case, capping layer material formed over the dielectric region can subsequently be removed, thus ensuring that capping layer material is formed only on the electrically conductive regions. Silane-based materials, can be used to form the masking layer. The capping layer can be formed of an conductive material, a semiconductor material, or an insulative material, and can be formed using any appropriate process, including conventional deposition processes such as electroless deposition, chemical vapor deposition, physical vapor deposition or atomic layer deposition.
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