METHOD FOR FABRICATING ELECTRONIC DEVICE
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United States of America Patent
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May 19, 2017
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Jan 14, 2014
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Abstract
A method for fabricating an electronic device is provided, and the method comprises the steps of: forming a lower electrode on a substrate; forming a dielectric film on the lower electrode; forming an upper electrode on the dielectric film, the upper electrode including gold (Au); forming a refractory metal layer on at least one of upper or lower surface of the upper electrode, the refractory metal layer having a melting temperature higher than a melting temperature of the upper electrode; forming an insulating film to cover the lower electrode, the dielectric film, the upper electrode, and the refractory metal layer; and dry-etching the insulating film to form an opening therein, the upper electrode or the refractory metal layer being exposed at the opening.
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