Abstract:
The invention relates to a camera tube having a photosensitive target plate to be scanned by an electron beam and formed by a semiconductor plate which on the side to be scanned is provided with a mosaic of regions which form a rectifying junction with or in the semiconductor plate, and in which on the said side, an apertured insulating layer is provided at the area of the regions and is covered by a conductive layer. In order to permit the target plate to be manufactured simply and cheaply, cavities are provided in the semiconductor plate at the area of the regions. Furthermore, a further insulating layer may be provided on the conductive layer and a further conductive layer may be provided on the further insulating layer so as to improve the effect of the camera tube.
Abstract:
An integrated semiconductor is described in which all the interconnected circuit elements, including barrier layers and contacts, comprise only metal-semiconductor junctions, ion implanted junctions, or insulating layers, produced by low temperature processes only, to avoid detrimental effects on a supporting substrate.