The present system defines {HEAD ~ a different way} of making and operating {TAIL ~ a variation} on a pinned photodiode 
of making
The present system defines { HEAD ~ a different way } of making and operating { TAIL ~ a variation } on a pinned photodiode
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH