IMAGE TUBE

PROBLEM TO BE SOLVED: To provide an image tube capable of easily positioning an electrode even in the case of welding a support part to between plural parts of a package.SOLUTION: An image tube according to the embodiment, comprises: a package having a cylindrical shape and including a plurality of welded parts; an input part which has an incident side fluorescent screen provided onto one side of end part sides of the package and converting an incident radiation into a fluorescent light, and a photoelectric conversion film converting the fluorescent light into an electron beam; an output part provided to a side opposite to the side to which the input part of the package is provided, and having an emission side fluorescent screen converting the electron beam into the fluorescent light; an electrode provided in an inner part of the package; and a support part which has a base part having an annular shape, and of which an outer peripheral end side is sandwiched between the plural parts, an attachment part provided in parallel to the base part and attaching the electrode, and a connection part of which one end is connected to the base part and the other end is connected to the attachment part.SELECTED DRAWING: Figure 2 【課題】支持部を外囲器の複数の部分の間に溶接する場合であっても、電極の位置合わせを容易とすることができるイメージ管を提供することである。【解決手段】実施形態に係るイメージ管は、筒状を呈し、互いに溶接された複数の部分を有する外囲器と、前記外囲器の一方の端部側に設けられ、入射した放射線を蛍光に変換する入射側蛍光膜と、前記蛍光を電子線に変換する光電変換膜と、を有する入力部と、前記外囲器の前記入力部が設けられる側とは反対側に設けられ、前記電子線を蛍光に変換する出射側蛍光膜を有する出力部と、前記外囲器の内部に設けられた電極と、環状を呈し、外周縁側が前記複数の部分の間に挟まれた基部と、前記基部と平行に設けられ、前記電極を取り付ける取付部と、一端が前記基部に接続され、他端が前記取付部に接続された接続部と、を有する支持部と、を備えている。【選択図】図２