JP2006179240A - 回転対陰極x線管 - Google Patents
回転対陰極x線管 Download PDFInfo
- Publication number
- JP2006179240A JP2006179240A JP2004369816A JP2004369816A JP2006179240A JP 2006179240 A JP2006179240 A JP 2006179240A JP 2004369816 A JP2004369816 A JP 2004369816A JP 2004369816 A JP2004369816 A JP 2004369816A JP 2006179240 A JP2006179240 A JP 2006179240A
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- Prior art keywords
- cathode
- rotating
- ray tube
- passage
- separator
- 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
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- 239000003507 refrigerant Substances 0.000 claims abstract description 29
- 238000010894 electron beam technology Methods 0.000 claims description 39
- 230000004323 axial length Effects 0.000 claims description 32
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 3
- 238000004904 shortening Methods 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 41
- 238000001816 cooling Methods 0.000 description 9
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- 210000002445 nipple Anatomy 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/08—Anodes; Anti cathodes
- H01J35/10—Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes
- H01J35/105—Cooling of rotating anodes, e.g. heat emitting layers or structures
- H01J35/106—Active cooling, e.g. fluid flow, heat pipes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/12—Cooling
- H01J2235/1204—Cooling of the anode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/12—Cooling
- H01J2235/1225—Cooling characterised by method
- H01J2235/1262—Circulating fluids
- H01J2235/127—Control of flow
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/12—Cooling
- H01J2235/1225—Cooling characterised by method
- H01J2235/1262—Circulating fluids
- H01J2235/1283—Circulating fluids in conjunction with extended surfaces (e.g. fins or ridges)
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- X-Ray Techniques (AREA)
Abstract
【解決手段】円筒状のターゲット部材10の外周面の軸方向長さは20〜100mmである。冷媒通路内に配置するセパレータ52は接近表面82を備えていて,この接近表面82から被冷却面92までの距離は0.1〜3.0mmである。接近表面82の軸方向長さは5mm以下である。このように,接近表面の軸方向長さを短くすることで,回転対陰極を高速で回転させても回転駆動源の負荷をそれほど大きくしなくても済む。回転駆動源として電動モータを使う場合は,そのモータドライバの容量を大きなものに変える必要がない。
【選択図】図2
Description
16 電子ビーム
18 電子ビーム照射領域
20 被冷却面
22 接近表面
50 第1の冷却水通路
52 セパレータ
54 第1の流出通路
56 第1の流入通路
58 第2の冷却水通路
60 仕切りパイプ
62 第2の流出通路
64 第2の流入通路
74 円板部
76 傾斜部
82 接近表面
84 第1部材
86 第2部材
92 被冷却面
93 接近通路
94 冷却水
102 回転対陰極X線管
104 高圧電源
106 冷媒供給装置
108 陰極フィラメント
110 X線
112 冷却水
L1 電子ビームの軸方向長さ
L2 接近表面の軸方向長さ
L3 回転対陰極の軸方向長さ
G 被冷却面と接近表面との間の接近距離
Claims (6)
- 次の構成を備える回転対陰極X線管。
(ア)X線発生材料で構成された円筒状のターゲット部材を備える回転対陰極であって,前記円筒状のターゲット部材の外周面の軸方向長さが20〜100mmである回転対陰極。
(イ)前記回転対陰極の内部に形成された冷媒通路であって,前記ターゲット部材の外周面上の電子線照射領域の裏側に存在する被冷却面に沿って冷媒が流れるように構成された冷媒通路。
(ウ)前記冷媒通路内に配置されていて静止しているセパレータであって,前記被冷却面までの距離が0.1〜3.0mmの範囲内の接近表面を備えていて,前記被冷却面と前記接近表面との間の接近通路に向かって冷媒が流れる流入通路と前記接近通路から遠ざかるように冷媒が流れる流出通路とに前記冷媒通路を分割し,前記接近表面の軸方向長さが5mm以下であるセパレータ。 - 請求項1に記載の回転対陰極X線管において,前記接近表面の軸方向長さが3mm以下であることを特徴とする回転対陰極X線管。
- 請求項1に記載の回転対陰極X線管において,前記ターゲット部材の外周面上の電子ビーム照射領域の軸方向長さが3mm以下であることを特徴とする回転対陰極X線管。
- 請求項4に記載の回転対陰極X線管において,前記ターゲット部材の外周面上の電子ビーム照射領域の軸方向長さが1mm以下であることを特徴とする回転対陰極X線管。
- 請求項1から4までのいずれか1項に記載の回転対陰極X線管において,前記セパレータは,円板部と,前記円板部の外周につながっている傾斜部とを備えていて,前記傾斜部は切頭円錐の形状をしていて,前記傾斜部の半径方向の外端における外周面が前記接近表面であることを特徴とする回転対陰極X線管。
- 次の構成を備えるX線発生装置。
(ア)請求項1から5までのいずれか1項に記載の回転対陰極X線管。
(イ)前記回転対陰極X線管の冷媒通路に冷媒を供給する冷媒供給装置。
(ウ)前記回転対陰極X線管に管電圧と管電流を供給する高圧電源。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004369816A JP4210645B2 (ja) | 2004-12-21 | 2004-12-21 | 回転対陰極x線管およびx線発生装置 |
EP05027757A EP1675152B1 (en) | 2004-12-21 | 2005-12-19 | Rotating anode x-ray tube |
DE602005015284T DE602005015284D1 (de) | 2004-12-21 | 2005-12-19 | Röntgenröhre mit Rotationsanode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004369816A JP4210645B2 (ja) | 2004-12-21 | 2004-12-21 | 回転対陰極x線管およびx線発生装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008005268A Division JP4629739B2 (ja) | 2008-01-15 | 2008-01-15 | 回転対陰極x線管の使用方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006179240A true JP2006179240A (ja) | 2006-07-06 |
JP4210645B2 JP4210645B2 (ja) | 2009-01-21 |
Family
ID=35632344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004369816A Active JP4210645B2 (ja) | 2004-12-21 | 2004-12-21 | 回転対陰極x線管およびx線発生装置 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1675152B1 (ja) |
JP (1) | JP4210645B2 (ja) |
DE (1) | DE602005015284D1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008084605A (ja) * | 2006-09-26 | 2008-04-10 | Bruker Axs Kk | 回転対陰極x線管及びx線発生装置 |
JP2008147188A (ja) * | 2006-12-08 | 2008-06-26 | General Electric Co <Ge> | 対流冷却式x線管ターゲット及びその製造方法 |
JP2019009023A (ja) * | 2017-06-26 | 2019-01-17 | 東芝電子管デバイス株式会社 | X線管装置 |
DE102018120215A1 (de) | 2017-09-05 | 2019-03-07 | Rigaku Corporation | Röntgengenerator |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4629739B2 (ja) * | 2008-01-15 | 2011-02-09 | 株式会社リガク | 回転対陰極x線管の使用方法 |
ITBO20080147A1 (it) * | 2008-03-05 | 2009-09-06 | Micronica S R L | Apparecchiatura radiologica |
WO2020232253A1 (en) * | 2019-05-15 | 2020-11-19 | Zamenhof Robert G | Technology for contrast-enhanced mammography |
CN111243924B (zh) * | 2020-01-14 | 2022-10-25 | 中国电子科技集团公司第三十八研究所 | 一种用于射线源的转动靶机构 |
JP2022050211A (ja) * | 2020-09-17 | 2022-03-30 | 東京エレクトロン株式会社 | 回転機構および基板処理装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4622687A (en) * | 1981-04-02 | 1986-11-11 | Arthur H. Iversen | Liquid cooled anode x-ray tubes |
US4523327A (en) * | 1983-01-05 | 1985-06-11 | The United States Of America As Represented By The Secretary Of The Air Force | Multi-color X-ray line source |
JPS61259446A (ja) * | 1985-05-13 | 1986-11-17 | Fujitsu Ltd | 回転陽極x線発生装置 |
US4945562A (en) * | 1989-04-24 | 1990-07-31 | General Electric Company | X-ray target cooling |
JPH03171541A (ja) * | 1989-11-29 | 1991-07-25 | Rigaku Corp | X線発生装置のターゲット冷却方法および装置 |
JP3659508B2 (ja) * | 1994-01-28 | 2005-06-15 | 株式会社リガク | 回転対陰極型x線発生装置 |
JPH08106870A (ja) * | 1994-09-30 | 1996-04-23 | Rigaku Corp | X線管の回転対陰極組立体 |
JP2000251810A (ja) * | 1999-03-02 | 2000-09-14 | Rigaku Corp | X線管ターゲット |
-
2004
- 2004-12-21 JP JP2004369816A patent/JP4210645B2/ja active Active
-
2005
- 2005-12-19 DE DE602005015284T patent/DE602005015284D1/de active Active
- 2005-12-19 EP EP05027757A patent/EP1675152B1/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008084605A (ja) * | 2006-09-26 | 2008-04-10 | Bruker Axs Kk | 回転対陰極x線管及びx線発生装置 |
JP2008147188A (ja) * | 2006-12-08 | 2008-06-26 | General Electric Co <Ge> | 対流冷却式x線管ターゲット及びその製造方法 |
JP2019009023A (ja) * | 2017-06-26 | 2019-01-17 | 東芝電子管デバイス株式会社 | X線管装置 |
DE102018120215A1 (de) | 2017-09-05 | 2019-03-07 | Rigaku Corporation | Röntgengenerator |
US10892134B2 (en) | 2017-09-05 | 2021-01-12 | Rigaku Corporation | X-ray generator |
Also Published As
Publication number | Publication date |
---|---|
EP1675152B1 (en) | 2009-07-08 |
JP4210645B2 (ja) | 2009-01-21 |
DE602005015284D1 (de) | 2009-08-20 |
EP1675152A3 (en) | 2008-05-21 |
EP1675152A2 (en) | 2006-06-28 |
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