無截獲柵控電子槍的工藝結(jié)構(gòu)設(shè)計(jì)及其陰極幾何利用系數(shù)的計(jì)算方法
A STRUCTURAL DESIGN AND A CALCULATING METHOD OF THE CATHODE GEOMETRIC USAGE FACTOR FOR NONINTERCEPTING GRIDDED ELECTRON GUN
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摘要: 本文介紹了兩種類型無截獲柵控槍(即:單一柵和四極管型無截獲柵控槍)的工藝結(jié)構(gòu)設(shè)計(jì)。給出了陰柵結(jié)構(gòu)設(shè)計(jì)的基本方法以及陰極幾何利用系數(shù)的計(jì)算方法,從而合理地確定了最佳的網(wǎng)孔數(shù)、網(wǎng)孔尺寸和網(wǎng)筋寬度。本文還介紹了陰柵組件的加工方法、對(duì)柵方法。討論了電子槍中的擊穿現(xiàn)象。
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Abstract: This paper presents the structural design of two types of nonintercepting gridded gun (i.e. unigrid and tetrode nonintereepting gridded gun). The basic method of the cathodegrid structural design and calculating method of the cathode geometrie usage factor are given. Hence the optimum grid mesh numbers, the dimensions of the grid cells and grid web width are reasonably determined. Also this paper presents the me-thods of machining and aligning the grid for the cathode-grid assembly. The phenomena of breakdown in the electron gun is discussed. -
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