Patent ID: 11881492
Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. An imaging system comprising:
a charge storage structure; and
a transistor having a source-drain region coupled to the charge storage structure, wherein the source-drain region includes:
a first implant region of a first doping type formed within a well of a second doping type;
a second implant region of the first doping type that is surrounded by the first implant region and is disposed at a surface of the well;
an implant layer of the second doping type at the surface of the well, laterally surrounding the second implant region, and overlapping the first implant region and
an isolation structure within the well and separated from the first implant region by a portion of the well, wherein the implant layer overlaps the isolation structure and the portion of the well.