Electro-static discharge protection device
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United States of America Patent
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Sep 3, 2019
Grant Date -
Feb 9, 2017
app pub date -
Oct 18, 2016
filing date -
May 9, 2014
priority date (Note) -
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Abstract
An electro-static discharge protection device includes a ceramic base material, first and second outer electrodes on the outer surface of the ceramic base material, a hollow portion inside the ceramic base material, a first discharge electrode including a first end portion electrically connected to the first outer electrode and a second end portion in the hollow portion, a second discharge electrode including a first end portion electrically connected to the second outer electrode and a second end portion spaced apart from the first discharge electrode in the hollow portion, and a discharge supporting electrode including silicon carbide and between the second end portion of the first discharge electrode and the second end portion of the second discharge electrode. The elemental alkali metal in the ceramic base material is about 3 percent by weight or less.
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