JPS61145466U - - Google Patents
Info
- Publication number
- JPS61145466U JPS61145466U JP1985029617U JP2961785U JPS61145466U JP S61145466 U JPS61145466 U JP S61145466U JP 1985029617 U JP1985029617 U JP 1985029617U JP 2961785 U JP2961785 U JP 2961785U JP S61145466 U JPS61145466 U JP S61145466U
- Authority
- JP
- Japan
- Prior art keywords
- anode
- focusing
- ray tube
- electron beam
- groove
- 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
- 238000010894 electron beam technology Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Description
第１図のｂはこの考案の一実施例に係る回転陽
極型Ｘ線管の要部である陰極構体を示す断面図、
同図ａは同じく電子密度分布を示す特性曲線図、
第２図ａ，ｂは同じく平面図と一部断面を含む斜
視図、第３図はこの考案の変形例を示す平面図、
第４図は従来の回転陽極型Ｘ線管を示す概略構成
図、第５図ａ，ｂは同じく電子密度分布を示す特
性曲線図と陰極構体を示す断面図である。
３……陽極ターゲツト、２００……陰極構体、
２０１……陰極フイラメント、２０２……集束溝
の低い壁、２０３……集束溝の高い壁、２０６…
…集束溝、２０７……電子ビーム制限孔、２１０
……電子ビーム整形電極。
FIG. 1b is a sectional view showing a cathode structure which is a main part of a rotating anode X-ray tube according to an embodiment of this invention;
Figure a is a characteristic curve diagram showing the electron density distribution as well.
FIGS. 2a and 2b are a plan view and a perspective view including a partial cross section, and FIG. 3 is a plan view showing a modification of this invention.
FIG. 4 is a schematic configuration diagram showing a conventional rotating anode type X-ray tube, and FIGS. 5a and 5b are characteristic curve diagrams showing the electron density distribution and sectional views showing the cathode structure. 3... Anode target, 200... Cathode structure,
201... Cathode filament, 202... Low wall of focusing groove, 203... High wall of focusing groove, 206...
...Focusing groove, 207...Electron beam restriction hole, 210
...Electron beam shaping electrode.
Claims (1)
対向して設けられ、上記陰極構体は、平板状陰極
フイラメントの前方に、正電位が与えられる電子
ビーム制限孔及び集束溝を有する電子ビーム整形
電極が絶縁して配設されてなる回転陽極型Ｘ線管
において、 上記集束溝の深さが上記陽極ターゲツトの回転
方向に対応して浅くなるように形成されてなる回
転陽極型Ｘ線管。[Claims for Utility Model Registration] An anode target and a cathode assembly are provided facing each other in a vacuum envelope, and the cathode assembly has an electron beam confining hole and a focusing hole to which a positive potential is applied in front of a flat cathode filament. In a rotating anode X-ray tube in which an electron beam shaping electrode having a groove is disposed insulated, the focusing groove is formed such that the depth of the focusing groove becomes shallow in accordance with the direction of rotation of the anode target. Anode type X-ray tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985029617U JPS61145466U (en) | 1985-03-01 | 1985-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985029617U JPS61145466U (en) | 1985-03-01 | 1985-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61145466U true JPS61145466U (en) | 1986-09-08 |
Family
ID=30528589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985029617U Pending JPS61145466U (en) | 1985-03-01 | 1985-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61145466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1715503A2 (en) | 2005-04-19 | 2006-10-25 | Rigaku Corporation | X-ray tube |
-
1985
- 1985-03-01 JP JP1985029617U patent/JPS61145466U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1715503A2 (en) | 2005-04-19 | 2006-10-25 | Rigaku Corporation | X-ray tube |
| EP1715503A3 (en) * | 2005-04-19 | 2009-10-21 | Rigaku Corporation | X-ray tube |
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