Patent ID: 11910586
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 10:
11. A device, comprising:
a first active region extending along a first direction within a first well region;
a second active region extending along the first direction within a second well region;
an isolation region between the first active region and the second active region, the isolation region having a bottom surface in contact with a PN junction between the first well region and the second well region; and
a gate structure continuously extending across the first active region and the second active region along a second direction different from the first direction, the gate structure comprising:
a first work function film extending across the first active region;
a second work function film, different from the first work function film, extending across the second active region; and
a metal structure extending across both the first work function film and the second work function film.