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
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- X-Ray Techniques (AREA)
Description
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。
FIG. 1 is a drawing for explaining one embodiment of the present invention, and is a radial cross-sectional explanatory diagram of a filament of a cathode part, FIG. 2 is a drawing corresponding to FIG. 1 of the second embodiment, FIG. 3 is a drawing corresponding to FIG. 1 of the third embodiment. FIG. 4 is a drawing for explaining a conventional X-ray tube, in which FIG.
It is a partially enlarged view of figure a. 1... Focusing electrode, 2... Filament coil,
11...first opening, 12...second opening,
15...Bottom surface, 16...Protrusion part.
Claims (1)
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。 The focusing electrode has a first opening provided to face the anode, a second opening provided at the bottom of the first opening, and a filament provided in the second opening. An X-ray tube characterized in that a peripheral edge portion of the opening portion of No. 2 protrudes from the bottom surface toward the anode side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3723289U JPH02128356U (en) | 1989-03-29 | 1989-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3723289U JPH02128356U (en) | 1989-03-29 | 1989-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02128356U true JPH02128356U (en) | 1990-10-23 |
Family
ID=31544155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3723289U Pending JPH02128356U (en) | 1989-03-29 | 1989-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02128356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018060621A (en) * | 2016-10-03 | 2018-04-12 | 東芝電子管デバイス株式会社 | X-ray tube |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55108158A (en) * | 1979-02-13 | 1980-08-19 | Hitachi Ltd | Cathode for x-ray tube |
-
1989
- 1989-03-29 JP JP3723289U patent/JPH02128356U/ja active Pending
Patent Citations (1)
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018060621A (en) * | 2016-10-03 | 2018-04-12 | 東芝電子管デバイス株式会社 | X-ray tube |
| WO2018066170A1 (en) * | 2016-10-03 | 2018-04-12 | 東芝電子管デバイス株式会社 | X-ray tube |
| CN109791863A (en) * | 2016-10-03 | 2019-05-21 | 佳能电子管器件株式会社 | X-ray tube |
| US11037751B2 (en) | 2016-10-03 | 2021-06-15 | Canon Electron Tubes & Devices Co., Ltd. | X-ray tube |
| CN109791863B (en) * | 2016-10-03 | 2021-09-28 | 佳能电子管器件株式会社 | X-ray tube |