JPH02128356U - - Google Patents

Info

Publication number
JPH02128356U
JPH02128356U JP3723289U JP3723289U JPH02128356U JP H02128356 U JPH02128356 U JP H02128356U JP 3723289 U JP3723289 U JP 3723289U JP 3723289 U JP3723289 U JP 3723289U JP H02128356 U JPH02128356 U JP H02128356U
Authority
JP
Japan
Prior art keywords
opening
anode
ray tube
filament
focusing electrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3723289U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP3723289U priority Critical patent/JPH02128356U/ja
Publication of JPH02128356U publication Critical patent/JPH02128356U/ja
Pending legal-status Critical Current

Links

Landscapes

  • X-Ray Techniques (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を説明するための図
面であつて、陰極部のフイラメントの径方向の断
面説明図、第2図は第2の実施例の第1図に対応
する図面、第3図は第3の実施例の第1図に対応
する図面である。第4図は従来のX線管を説明す
るための図面であつて、第4図aは陰極部のフイ
ラメントの径方向の断面説明図、第4図bは第4
図aの部分拡大図である。 1……集束電極、2……フイラメントコイル、
11……第1の開口部、12……第2の開口部、
15……底面、16……突出部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 集束電極に陽極に対向するように設けた第1の
    開口部と、第1の開口部の底面に設けた第2の開
    口部と、第2の開口部に設けたフイラメントとを
    有し、第2の開口部の周縁部分が、前記底面より
    前記陽極側に突出していることを特徴とするX線
    管。
JP3723289U 1989-03-29 1989-03-29 Pending JPH02128356U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3723289U JPH02128356U (ja) 1989-03-29 1989-03-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3723289U JPH02128356U (ja) 1989-03-29 1989-03-29

Publications (1)

Publication Number Publication Date
JPH02128356U true JPH02128356U (ja) 1990-10-23

Family

ID=31544155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3723289U Pending JPH02128356U (ja) 1989-03-29 1989-03-29

Country Status (1)

Country Link
JP (1) JPH02128356U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018066170A1 (ja) * 2016-10-03 2018-04-12 東芝電子管デバイス株式会社 X線管

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108158A (en) * 1979-02-13 1980-08-19 Hitachi Ltd Cathode for x-ray tube

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108158A (en) * 1979-02-13 1980-08-19 Hitachi Ltd Cathode for x-ray tube

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018066170A1 (ja) * 2016-10-03 2018-04-12 東芝電子管デバイス株式会社 X線管
CN109791863A (zh) * 2016-10-03 2019-05-21 佳能电子管器件株式会社 X射线管
US11037751B2 (en) 2016-10-03 2021-06-15 Canon Electron Tubes & Devices Co., Ltd. X-ray tube
CN109791863B (zh) * 2016-10-03 2021-09-28 佳能电子管器件株式会社 X射线管

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