Ultra-low leakage electrostatic discharge device with controllable trigger voltage
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United States of America Patent
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May 23, 2023
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app pub date -
Oct 13, 2020
filing date -
Oct 13, 2020
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Abstract
Embodiments of the disclosure provide an electrostatic discharge (ESD) device, including: an input pad; an underlapped field effect transistor (UL-FET) with a trigger voltage Vt, including: an underlapped drain region coupled to the input pad; a source region coupled to ground; and a gate structure coupled to the input pad; and a blocking layer separating the underlapped drain region from the gate structure of the UL-FET by an underlap distance.
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