{HEAD ~ A solid state image sensor} including a pixel region having a plurality of pixels includes at least a photodiode and {TAIL ~ an amplifying portion} amplifying photocharges outputted from the photodiode in the pixel region, and further includes a well electrode for taking well potential of a well region in which the amplifying portion is arranged 
{ HEAD ~ A solid state image sensor } including a pixel region having a plurality of pixels includes at least a photodiode and { TAIL ~ an amplifying portion } amplifying photocharges outputted from the photodiode in the pixel region , and further includes a well electrode for taking well potential of a well region in which the amplifying portion is arranged
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH