JPH02128357U - - Google Patents
Info
- Publication number
- JPH02128357U JPH02128357U JP3723389U JP3723389U JPH02128357U JP H02128357 U JPH02128357 U JP H02128357U JP 3723389 U JP3723389 U JP 3723389U JP 3723389 U JP3723389 U JP 3723389U JP H02128357 U JPH02128357 U JP H02128357U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- width
- anode
- filament
- ray tube
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- X-Ray Techniques (AREA)
Description
第１図は本考案の第１の実施例を示す図面であ
つて、第１図ａは陰極部のフイラメントの径方向
の断面説明図、第１図ｂは等電位面の分布図であ
る。第２，３および４図は、それぞれ第２，３お
よび４の実施例の第１図に対応する図面である。
第５図は従来のＸ線管を示す図面であつて、第５
図ａは陰極部のフイラメントの径方向の断面説明
図、第５図ｂは第５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、
１３……底面、１４……開口、ａ……幅の寸法、
ｄ……直径の寸法、ｂ……幅の寸法。
FIG. 1 is a diagram showing a first embodiment of the present invention, in which FIG. 1a is a radial cross-sectional view of a filament in a cathode portion, and FIG. 1b is a distribution diagram of an equipotential surface. 2, 3 and 4 are drawings corresponding to FIG. 1 of the second, third and fourth embodiments, respectively.
FIG. 5 is a drawing showing a conventional X-ray tube.
FIG. 5a is an explanatory radial cross-sectional view of the filament of the cathode portion, and FIG. 5b is a partially enlarged view of FIG. 5a. 1... Focusing electrode, 2... Filament coil,
11...first opening, 12...second opening,
13... Bottom surface, 14... Opening, a... Width dimension,
d...Diameter dimension, b...Width dimension.
Claims (1)
の開口部と、前記開口部の底面に開口を有し前記
開口部より反陽極側に形成された第２の開口部と
、前記第２の開口部内に設けられたコイル状のフ
イラメントとを有し、且つ前記開口の幅が前記フ
イラメントの径および前記第２の開口部の幅より
小さいことを特徴とするＸ線管。 A first electrode formed on the focusing electrode so as to face the anode.
an opening, a second opening having an opening at the bottom of the opening and formed on the opposite side of the anode from the opening, and a coiled filament provided in the second opening. An X-ray tube, wherein the width of the opening is smaller than the diameter of the filament and the width of the second opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3723389U JPH02128357U (en) | 1989-03-29 | 1989-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3723389U JPH02128357U (en) | 1989-03-29 | 1989-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02128357U true JPH02128357U (en) | 1990-10-23 |
Family
ID=31544157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3723389U Pending JPH02128357U (en) | 1989-03-29 | 1989-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02128357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013154074A1 (en) * | 2012-04-12 | 2013-10-17 | 株式会社 東芝 | X-ray tube |
-
1989
- 1989-03-29 JP JP3723389U patent/JPH02128357U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013154074A1 (en) * | 2012-04-12 | 2013-10-17 | 株式会社 東芝 | X-ray tube |
| CN104246964A (en) * | 2012-04-12 | 2014-12-24 | 株式会社东芝 | X-ray tube |
| JPWO2013154074A1 (en) * | 2012-04-12 | 2015-12-17 | 株式会社東芝 | X-ray tube |