Patent ID: 7852392

Claim:
An image pick-up apparatus comprising: an insulation substrate provided with a plurality of photoelectric conversion elements, a plurality of switching elements, an inorganic layer for covering the plurality of photoelectric conversion elements and the plurality of switching elements and having a first surface which is arranged on the photoelectric conversion elements and on peripheral areas of the photoelectric conversion elements and a second surface opposed to the first surface of the inorganic layer, and a flattening layer arranged on the second surface of the inorganic layer and having a flat surface which is flatter than the second surface of the inorganic layer, wherein the photoelectric conversion elements and the switching elements comprise a non-single crystalline semiconductor; and a wavelength converter for converting radiation into light having a wavelength detectable by said photoelectric conversion elements, wherein the wavelength converter comprises a columnar crystalline scintillator deposited on the flat surface of said flattening layer; wherein the first surface of the inorganic layer has first surface steps corresponding to steps between the photoelectric conversion elements and peripheral areas of the photoelectric conversion elements, and the second surface of the inorganic layer has second surface steps corresponding to first surface steps.