Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 15, 2022
Patent Application Number
17182733
Date Filed
February 23, 2021
Patent Primary Examiner
In an embodiment, a device includes: a channel region; a gate dielectric layer on the channel region; a first work function tuning layer on the gate dielectric layer, the first work function tuning layer including a n-type work function metal; a barrier layer on the first work function tuning layer; a second work function tuning layer on the barrier layer, the second work function tuning layer including a p-type work function metal, the p-type work function metal different from the n-type work function metal; and a fill layer on the second work function tuning layer.
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