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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Krytron ： ウィキペディア英語版 Krytron The krytron is a cold-cathode gas-filled tube intended for use as a very high-speed switch, somewhat similar to the thyratron. It consists of a sealed glass tube with four electrodes. A small triggering pulse on the grid electrode switches the tube on, allowing a large current to flow between the cathode and anode electrodes. The vacuum version is called a vacuum krytron, or sprytron. Krytron was one of the earliest developments of the EG&G Corporation. ==Description== Unlike most other gas switching tubes, the krytron conducts by means of an arc discharge, to handle very high voltages and currents (reaching several kilovolts and several kiloamperes), rather than the low-current glow discharge used in other thyratrons. The krytron is a development of the triggered spark gaps and thyratrons originally developed for radar transmitters during World War II. The gas used in krytrons is hydrogen;〔"Trapping Low Energy in an Ion Trap" Harvard Ph.D. Thesis of Xiang Fei (Defended 10 May 1990), (Chapter 4 )〕 noble gases (usually krypton, or a Penning mixture) can also be used.〔(Silicon Investigations Pulse Power Switching & EG&G Krytron Tube Replacement Page ). Siliconinvestigations.com (2010-02-22). Retrieved on 2010-06-05.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Krytron」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.