CCD (charge-coupled device) sensor's subpixel schema (for red photodetector)
Photons of light pastthrough an objective of the camera.
Microlens of subpixel (photo diode).
A red optical filter of subpixel, a fragment of the Bayer's filter.
Transparent electrode (polycrystalline silicon).
Quartz isolator.
N-type silicon channel.
Zone of a potential hole (a pocket of n-type)
Silicon p-type substrate
Originally based on ru:Image:Схема субпикселей ПЗС-матрицы с карманом n-типа.JPG figure.
Own work based on: Subpixels chema.png
Юкатан, Atorero