PROTECTION DEVICE STRUCTURES WITH A DISCONTINUOUS ISOLATION WELL
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United States of America Patent
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Issued Date -
Dec 7, 2023
app pub date -
Jun 3, 2022
filing date -
Jun 3, 2022
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Abstract
Device structures with an isolation well and methods of forming a device structure with an isolation well. The structure comprises a first well of a first conductivity type in a semiconductor substrate, and a second well of a second conductivity type in the semiconductor substrate. The second conductivity type is opposite to the first conductivity type. The first well includes a plurality of segments, and the second well is positioned in a vertical direction between the segments of the first well and a top surface of the semiconductor substrate.
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