The capacitors, MOS switches and amplifiers of the reading structure are easily fabricated as {HEAD ~ part} of {TAIL ~ a MOS image sensor} on a single chip 
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The capacitors , MOS switches and amplifiers of the reading structure are easily fabricated as { HEAD ~ part } of { TAIL ~ a MOS image sensor } on a single chip
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH