H ELECTRICITY
H01 ELECTRIC ELEMENTS
H01L SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
H01L27/00 Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
H01L27/14 including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
H01L27/144 Devices controlled by radiation
H01L27/146 Imager structures
H01L27/14601 Structural or functional details thereof
H01L27/1464 Back illuminated imager structures