JP2007287501A - 透過型x線管 - Google Patents
透過型x線管 Download PDFInfo
- Publication number
- JP2007287501A JP2007287501A JP2006114087A JP2006114087A JP2007287501A JP 2007287501 A JP2007287501 A JP 2007287501A JP 2006114087 A JP2006114087 A JP 2006114087A JP 2006114087 A JP2006114087 A JP 2006114087A JP 2007287501 A JP2007287501 A JP 2007287501A
- Authority
- JP
- Japan
- Prior art keywords
- filament
- target
- focusing electrode
- ray tube
- ray
- 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.)
- Granted
Links
- 230000005855 radiation Effects 0.000 claims abstract description 65
- 238000009826 distribution Methods 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000004846 x-ray emission Methods 0.000 claims description 24
- 239000010409 thin film Substances 0.000 claims description 9
- 238000005219 brazing Methods 0.000 description 22
- 239000007769 metal material Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- 230000008878 coupling Effects 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 239000000919 ceramic Substances 0.000 description 11
- 230000005684 electric field Effects 0.000 description 10
- 230000001965 increasing effect Effects 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 10
- 238000003466 welding Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 8
- 229910052721 tungsten Inorganic materials 0.000 description 8
- 239000010937 tungsten Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000833 kovar Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- X-Ray Techniques (AREA)
Abstract
【解決手段】陰極12は、フィラメント14と、これを支持するフィラメント支持体16と、長方形板状体の集束電極18などから構成され、集束電極18は、フィラメント14の背面側に配置され、フィラメント支持体16に支持されている。フィラメント14は外囲器24のX線放射窓28に積層したターゲット30に対向して配置される。フィラメント14から放射された電子は集束電極18とフィラメントとターゲット30によって形成される電位分布によりターゲット30面上に集束されるのでX線発生効率が向上する。
【選択図】 図1
Description
12、53・・・陰極
14・・・フィラメント
14a・・・脚部
16・・・フィラメント支持体
16a・・・フィラメント支持部
16b・・・端子部
16c・・・切欠き部
17・・・凹部
18、54・・・集束電極
20、56・・・絶縁支持体
22、58・・・結合支持体
24・・・外囲器
26・・・ステム基部
26a・・・底部
26b・・・円筒部
28・・・X線放射窓
30・・・ターゲット
32・・・放射窓枠体
32a・・・底部
32b・・・円筒部
34・・・シール部材
36・・・シールド
38・・・排気管
39・・・端子板
40、41、42・・・貫通孔
44、46・・・メタライズ層
48・・・X線管中心軸(管軸)
50・・・等電位線
50a・・・凹状の部分
51・・・電子軌道
Claims (3)
- 電子を放出するフィラメントと、フィラメントを支持するフィラメント支持体を有する陰極と、フィラメントから放出された電子が衝突してX線を発生する薄膜のターゲットが積層されたX線放射窓と、X線放射窓を支持する放射窓枠体とを有し、フィラメントがターゲットと対向するように陰極を真空気密に内包して、絶縁して支持する外囲器とを備えた透過型X線管において、前記フィラメントから放出された電子を前記ターゲットに衝突するように集束する集束電極を前記フィラメント支持体に取り付けたことを特徴とする透過型X線管。
- 請求項1記載の透過型X線管において、前記ターゲットに衝突する電子の電流密度分布を、前記ターゲットの前記放射窓枠体に近接した部分で電流密度が高くなるようにしたことを特徴とする透過型X線管。
- 請求項1および2記載の透過型X線管において、前記集束電極を板状体とし、前記フィラメントの、前記ターゲットとの対向面とは反対側に配設したことを特徴とする透過型X線管。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006114087A JP4781156B2 (ja) | 2006-04-18 | 2006-04-18 | 透過型x線管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006114087A JP4781156B2 (ja) | 2006-04-18 | 2006-04-18 | 透過型x線管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007287501A true JP2007287501A (ja) | 2007-11-01 |
JP4781156B2 JP4781156B2 (ja) | 2011-09-28 |
Family
ID=38759080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006114087A Active JP4781156B2 (ja) | 2006-04-18 | 2006-04-18 | 透過型x線管 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4781156B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013175402A1 (en) * | 2012-05-22 | 2013-11-28 | Koninklijke Philips N.V. | Cathode filament assembly |
JP2016134251A (ja) * | 2015-01-16 | 2016-07-25 | 双葉電子工業株式会社 | X線管 |
JP2017033733A (ja) * | 2015-07-31 | 2017-02-09 | 株式会社島津製作所 | 陰極の製造方法、陰極およびx線管装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102891059B (zh) * | 2012-10-31 | 2015-12-09 | 丹东奥龙射线仪器集团有限公司 | 开放式微焦点x射线管 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6033748U (ja) * | 1983-08-15 | 1985-03-07 | 株式会社東芝 | X線管の陰極構造 |
JPH01159941A (ja) * | 1987-12-15 | 1989-06-22 | Toshiba Corp | X線管装置 |
JPH04262348A (ja) * | 1991-02-15 | 1992-09-17 | Hitachi Medical Corp | 固定陽極x線管の陽極構造 |
JP2005116534A (ja) * | 2004-11-11 | 2005-04-28 | Hamamatsu Photonics Kk | X線発生装置 |
-
2006
- 2006-04-18 JP JP2006114087A patent/JP4781156B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6033748U (ja) * | 1983-08-15 | 1985-03-07 | 株式会社東芝 | X線管の陰極構造 |
JPH01159941A (ja) * | 1987-12-15 | 1989-06-22 | Toshiba Corp | X線管装置 |
JPH04262348A (ja) * | 1991-02-15 | 1992-09-17 | Hitachi Medical Corp | 固定陽極x線管の陽極構造 |
JP2005116534A (ja) * | 2004-11-11 | 2005-04-28 | Hamamatsu Photonics Kk | X線発生装置 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013175402A1 (en) * | 2012-05-22 | 2013-11-28 | Koninklijke Philips N.V. | Cathode filament assembly |
JP2015524144A (ja) * | 2012-05-22 | 2015-08-20 | コーニンクレッカ フィリップス エヌ ヴェ | カソードフィラメント組立体 |
US9916959B2 (en) | 2012-05-22 | 2018-03-13 | Koninklijke Philips N.V. | Cathode filament assembly |
JP2016134251A (ja) * | 2015-01-16 | 2016-07-25 | 双葉電子工業株式会社 | X線管 |
JP2017033733A (ja) * | 2015-07-31 | 2017-02-09 | 株式会社島津製作所 | 陰極の製造方法、陰極およびx線管装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4781156B2 (ja) | 2011-09-28 |
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