Over-voltage protection device
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United States of America Patent
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Nov 28, 2023
Grant Date -
May 18, 2023
app pub date -
Feb 17, 2022
filing date -
Nov 18, 2021
priority date (Note) -
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Abstract
The present disclosure provides an over-voltage protection device. The over-voltage protection device includes a substrate, a stack structure disposed over the substrate. The stack structure includes a first insulation structure, a second insulation structure, and a conductive layer. The conductive layer is disposed on the first insulation structure, and the second insulation structure is disposed on the conductive layer. The second insulation structure has an insulation air gap, which has an upper width greater than a lower width.
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