Method of manufacturing semiconductor device
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United States of America Patent
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app pub date -
Jun 7, 2017
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Jul 25, 2016
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Abstract
A method of manufacturing a semiconductor device includes stacking a molding layer and a preliminary support layer on a substrate, forming a support layer having a plurality of openings by removing at least a portion of the preliminary support layer, forming a sacrificial layer by filling the plurality of openings with a different material from a material of the molding layer and from a material of the preliminary support layer, forming a plurality of vertical holes through the support layer and through the molding layer, forming a lower electrode within the plurality of vertical holes, and removing the sacrificial layer and the molding layer.
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