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过去一直被氧化铅摄像管独占广播电视摄像机的局面,现在由于硒砷碲(SeAsTe)摄像管的出现而被打破,尤其在小型彩色电视摄像机中硒砷碲摄像管更具有重要的意义,普遍受到各国的重视。近几年来,许多国家都对这种摄像管及其应用作了大量介绍,1977年第十届国际电视讨论会对它也给予相当高的评价。本文概述了以无定型硒为主体的硒砷碲光电导靶面的异质结阻挡型结构和能带理论,采用这种靶面的电视摄像管的特性和应用以及硒砷碲光电导器件的一些新发展。
In the past, the exclusive use of CCTV cameras for broadcast television cameras was broken by the advent of SeAsTe cameras, especially the selenium, arsenic and telluride cameras in miniature color TV cameras, which are of general importance The importance of all countries. In recent years, many countries have made extensive introductions to this camera tube and its applications. The Tenth International Television Symposium in 1977 gave it a very high opinion. This paper summarizes the heterostructure-blocking structure and band theory of selenium-arsenic telluride photoconductive target with amorphous selenium as the main body. The characteristics and applications of the television camera with this target surface and the selenium-arsenic telluride photoconductive device Some new developments.