MULTIPLE VOLTAGE THRESHOLD INTEGRATED CIRCUIT STRUCTURE WITH LOCAL LAYOUT EFFECT TUNING
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Sep 28, 2023
filing date -
Sep 28, 2023
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Abstract
Multiple voltage threshold integrated circuit structures with local layout effect tuning, and methods of fabricating multiple voltage threshold integrated circuit structures with local layout effect tuning, are described. For example, an integrated circuit structure includes a first fin structure or vertical arrangement of horizontal nanowires. A second fin structure or vertical arrangement of horizontal nanowires is laterally spaced apart from the first fin structure or vertical arrangement of horizontal nanowires. An N-type gate structure is over the first fin structure or vertical arrangement of horizontal nanowires. A P-type gate structure is over the second fin structure or vertical arrangement of horizontal nanowires, the P-type gate structure in contact with the N-type gate structure with a PN boundary between the P-type gate structure and the N-type gate structure. The PN boundary is offset from a central location between the first fin structure or vertical arrangement of horizontal nanowires and the second fin structure or vertical arrangement of horizontal nanowires.
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