Patent ID: 11862735
Assignee: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The ESD protection device of claim 9, further comprising:
a seventh doped region arranged within the substrate spaced apart from the third doped region, the seventh doped region is of the second conductivity type and the second doping concentration;
a third doped terminal region disposed within the seventh doped region, the third doped terminal region is of the second conductivity type and the third doping concentration;
a third conductive terminal coupled to the third doped terminal region;
an eighth doped region arranged within the substrate between the third and seventh doped regions, the eighth doped region is of the first conductivity type and the first doping concentration;
a second doped island region disposed within the eighth doped region, the second doped island region is of the second conductivity type and the third doping concentration; and
a second insulation layer arranged on the substrate between the second and third conductive terminals, the second insulating layer covering at least the eighth doped region.