INTEGRATED CIRCUIT STRUCTURES HAVING DUAL STRESS GATES
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Sep 20, 2023
filing date -
Sep 20, 2023
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Abstract
Integrated circuit structures having dual stress gates are described. For example, an integrated circuit structure includes a first vertical stack of horizontal nanowires, and a second vertical stack of nanowires laterally spaced apart from the first vertical stack of horizontal nanowires. An NMOS gate electrode is over the first vertical stack of horizontal nanowires, the NMOS gate electrode having a tensile layer extending from a top to a bottom of the first vertical stack of horizontal nanowires. A PMOS gate electrode is over the second vertical stack of horizontal nanowires, the PMOS gate electrode having a compressive layer extending from a top to a bottom of the second vertical stack of horizontal nanowires. The tensile layer of the NMOS gate electrode is not included in the PMOS gate electrode.
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