Storage device with composite spacer and method for manufacturing the same
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United States of America Patent
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Oct 31, 2017
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app pub date -
Jun 15, 2015
filing date -
Jun 15, 2015
priority date (Note) -
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Abstract
A storage device includes a first electrode, a second electrode, a storage element, a spacer and a barrier structure. The second electrode is opposite to the first electrode. The storage element is disposed between the first electrode and the second electrode. The spacer is formed on a sidewall of the second electrode, and the spacer has a notch positioned on a top surface of the spacer. The barrier structure is embedded in a lateral of the spacer, and the barrier structure has a top extending upwards past a bottom of the notch. In addition, a method of manufacturing the storage device is disclosed as well.
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