Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 1, 2022
Patent Application Number
17373675
Date Filed
July 12, 2021
Patent Citations
Patent Primary Examiner
An IC structure comprises a substrate, a first SRAM cell, and a second SRAM cell. The first SRAM cell is formed over the substrate and comprises a first N-type transistor. The second SRAM cell is formed over the substrate and comprises a second N-type transistor. A gate structure of first N-type transistor of the first SRAM cell has a different work function metal composition than a gate structure of the second N-type transistor of the second SRAM cell.
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