Ion X-ray tube

Japanese: イオン X 線管 - いおんえっくすせんかん
Ion X-ray tube

…At the end of 1895, WC Roentgen discovered that fluorescent and photographic radiation was being emitted from a discharge tube during his experiments, and succeeded in taking a fluoroscopic photograph of the bones of his hand, which he named X-rays. (1) Ion X-ray tube In Roentgen's experiments, he used X-rays obtained from a cold cathode discharge tube called a Crookes tube (a glass discharge tube with two metal electrodes and containing a reduced pressure gas inside the tube). Positive ions of the gas produced by the discharge collide with the cathode, and the electrons generated here are accelerated and collide with the anode to generate X-rays. …

*Some of the terminology that refers to "ion X-ray tubes" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…W.C.レントゲンは1895年末,実験中の放電管から蛍光作用,写真作用のある放射線が発生することを発見し,手の骨の透視写真撮影に成功し,これにX線と名付けた。(1)イオンX線管 レントゲンの実験ではクルックス管と呼ぶ冷陰極放電管(二つの金属電極をもち管内に減圧気体を含むガラス製の放電管)から得たX線を使用した。放電で生じた気体の陽イオンが陰極に衝突し,ここで発生した電子が加速され陽極に衝突してX線を発生するものである。…

※「イオン X 線管」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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