JPS61194400A - Electron beam irradiator - Google Patents
Electron beam irradiatorInfo
- Publication number
- JPS61194400A JPS61194400A JP3495185A JP3495185A JPS61194400A JP S61194400 A JPS61194400 A JP S61194400A JP 3495185 A JP3495185 A JP 3495185A JP 3495185 A JP3495185 A JP 3495185A JP S61194400 A JPS61194400 A JP S61194400A
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- vacuum container
- irradiation
- window
- vacuum
- 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
Landscapes
- Particle Accelerators (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は電子線照射装置に関し、特に、真空容器に回
転機構を設けることによって照射窓の窓箔交換の作業性
を向上させた電子線照射装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an electron beam irradiation device, and in particular to an electron beam irradiation device that improves the workability of replacing window foil of an irradiation window by providing a rotation mechanism in a vacuum container. Regarding equipment.
第３図は従来の電子線照射装置の平面図であり、第４図
はその正面図であり、第５図は第３図の線Ｖ−Ｖ方向に
見た図である。この例の電子線照射装置は、真空容器６
内に、電子線ＥＢを発生し加速する電子線発生・加速部
８が設けられており、当該電子線発生・加速部８には、
直流電源２で発生した直流高電圧（例えば数百ＫＶ）が
圧力容器４内の直流導体２０を介して供給される。また
、真空容器６には、窓箔（図示省略）を有していて真空
側ＶＳと照射雰囲気側（例えば大気側）ＡＳとを分離す
る照射窓１０が取り付けられており、電子線発生・加速
部８からの電子線ＥＢは当該照射窓ｌＯを通して照射雰
囲気側ＡＳにある被照射物１２に照射される。被照射物
１２はこの例ではシート状のものであり、ローラ１５等
から成るコンベアライン１６によって搬送される。尚、
符号１４はカバーである。3 is a plan view of a conventional electron beam irradiation device, FIG. 4 is a front view thereof, and FIG. 5 is a view taken along the line V--V in FIG. 3. The electron beam irradiation device of this example has a vacuum container 6
An electron beam generation/acceleration section 8 that generates and accelerates the electron beam EB is provided within the electron beam generation/acceleration section 8.
A high DC voltage (for example, several hundred KV) generated by a DC power source 2 is supplied via a DC conductor 20 in the pressure vessel 4 . Further, the vacuum container 6 is equipped with an irradiation window 10 having a window foil (not shown) and separating the vacuum side VS and the irradiation atmosphere side (for example, the atmosphere side) AS, and generates and accelerates the electron beam. The electron beam EB from the section 8 is irradiated through the irradiation window IO to the irradiation object 12 located on the irradiation atmosphere side AS. The object 12 to be irradiated is in the form of a sheet in this example, and is conveyed by a conveyor line 16 comprising rollers 15 and the like. still,
Reference numeral 14 is a cover.
第６図は、第３図のＤ部回りを拡大した概略図である。FIG. 6 is an enlarged schematic view of the area around D in FIG. 3.
上述のような電子線照射装置においては、この図に示す
ように、真空容器６はボルト５によ・
って圧力容器４に固定されている。尚、符号１８は直流
導体２０の保持、圧力容器４と真空容器６との仕切・り
等のためのスペーサーコーンである。In the electron beam irradiation apparatus as described above, the vacuum vessel 6 is fixed to the pressure vessel 4 with bolts 5, as shown in this figure. Incidentally, reference numeral 18 is a spacer cone for holding the DC conductor 20, partitioning the pressure vessel 4 and the vacuum vessel 6, and the like.
真空容器６に取り付けられた照射窓１０の窓箔は消耗等
のために交換を要する。所が、上述のように真空容器６
は固定されているため、照射窓１０の窓箔の交換は第５
図のＢ部に示すスペースで行わなければならない、しか
しながら、Ｂ部には照射窓１０からの電子ｉＥＢを受け
るための水冷のビームキャッチャ−１３とか、上述した
ローラ１５等の種々の機構が設けられているため、その
スペースは非常に狭い。従って、照射窓１０の窓箔交換
の作業性は非常に悪い。The window foil of the irradiation window 10 attached to the vacuum container 6 needs to be replaced due to wear and the like. However, as mentioned above, the vacuum container 6
Since the window foil of the irradiation window 10 is fixed, the window foil of the irradiation window 10 must be replaced at the fifth stage.
This must be carried out in the space shown in part B of the figure. However, in part B, various mechanisms such as a water-cooled beam catcher 13 for receiving the electron iEB from the irradiation window 10 and the roller 15 described above are installed. Therefore, the space is very small. Therefore, the workability of replacing the window foil of the irradiation window 10 is very poor.
それゆえこの発明は、照射窓の窓箔交換の作業性を同上
させることができる電子線照射装置を提供することを目
的とする。Therefore, an object of the present invention is to provide an electron beam irradiation device that can improve the workability of replacing the window foil of the irradiation window.
この発明の電子線照射装置は、真空容器に回転機構を設
けている。The electron beam irradiation device of this invention has a rotation mechanism provided in the vacuum container.
〔作用〕
真空容器に回転機構が設けられているため真空容器を回
転させることができ、これによって真空容器に取り付け
られた照射窓を作業性の良い方向に向けることができる
。[Function] Since the vacuum container is provided with a rotation mechanism, the vacuum container can be rotated, and thereby the irradiation window attached to the vacuum container can be directed in a direction with good workability.
第１図は、この発明に係る電子線照射装置の真空容器の
回転機構回りの一例を示す概略図である。FIG. 1 is a schematic diagram showing an example of a rotation mechanism of a vacuum container of an electron beam irradiation apparatus according to the present invention.
その他の部分については上述した従来の電子線照射装置
と同様であるので、ここではその説明を省略する。Since the other parts are the same as those of the conventional electron beam irradiation apparatus described above, the explanation thereof will be omitted here.
真空容器６に、ベアリング２２．２４等から成る回転機
構が設けられており、これによって真空容器６をその軸
３０を中心に回転させることができる。この場合、圧力
容器４内には電気絶縁のためニ１ 、 ５ Ｋ ｇ ／
ｃｍ”Ｇ程度のＳＦ６ガスが封入されているので、０リ
ング２６．２８によって回転部分をガスシールしている
。また、この例では電子線発生・加速部８及びスペーサ
ーコーン１８は回転する真空容器６側に取り付けられて
いて真空容器６の回転と共に回転するので、それらの回
転に支障が無いように直流導体２０には例えばフレキシ
ブルな部分（図示省略）を設けている。The vacuum vessel 6 is provided with a rotation mechanism consisting of bearings 22, 24, etc., by which the vacuum vessel 6 can be rotated about its axis 30. In this case, the inside of the pressure vessel 4 contains 21.5 kg/kg for electrical insulation.
Since SF6 gas of about cm"G is sealed, the rotating parts are gas-sealed by the O-rings 26 and 28. In addition, in this example, the electron beam generation/acceleration section 8 and the spacer cone 18 are connected to the rotating vacuum container. Since the DC conductor 20 is attached to the DC conductor 20 and rotates with the rotation of the vacuum container 6, the DC conductor 20 is provided with, for example, a flexible portion (not shown) so that the rotation thereof is not hindered.
上述のような構造によって、例えば作業者によって真空
容器６を任意の方向に向けることができるため、それに
取り付けられた照射窓１０を広いスペースに向けること
ができる０例えば再び第３図及び第５図を参照して、真
空容器６を矢印Ｆの方向に回転させて、０部のような広
いスペースに照射窓１０を向けることもできる。（符号
１０′参照）、そうすると照射窓１０の窓箔の交換は０
部の広いスペースで行うことができるので、窓箔交換の
作業性は大幅に向上する。With the structure described above, the vacuum container 6 can be directed in any direction by, for example, an operator, so that the irradiation window 10 attached thereto can be directed into a wide space. Referring to , it is also possible to rotate the vacuum container 6 in the direction of arrow F to direct the irradiation window 10 to a wide space such as 0 part. (See reference numeral 10'), then the window foil of the irradiation window 10 will be replaced at 0.
Since window foil replacement can be done in a large space, the work efficiency of window foil replacement is greatly improved.
第・２図は、この発明に係る電子線照射装置の真空容器
の回転機構回りの他の例を示す概略図である。第１図の
実施例との主な相違点は、電子線発生・加速部８及びス
ペーサーコーン１８は、固定した圧力容器４側に取り付
けられていて、真空容器６を回転させてもそれらは回転
しないことである。それゆえ、この例では直流導体２０
はねじれないのでそこにフレキシブルな部分を設ける必
要はない。この場合、真空容器６内は高真空（例えば、
１０−’〜１０−’Ｔ ｏ ｒ ｒ程度）に排気される
ため、０リング２６．２８によって回転部分を真空シー
ルする。FIG. 2 is a schematic diagram showing another example of the rotation mechanism of the vacuum container of the electron beam irradiation apparatus according to the present invention. The main difference from the embodiment shown in FIG. 1 is that the electron beam generation/acceleration section 8 and the spacer cone 18 are attached to the fixed pressure vessel 4 side, and even when the vacuum vessel 6 is rotated, they do not rotate. Don't do it. Therefore, in this example, the DC conductor 20
Since it does not twist, there is no need to provide a flexible part there. In this case, the inside of the vacuum container 6 is under high vacuum (for example,
10-' to 10-' Torr), the rotating parts are vacuum-sealed with O-rings 26 and 28.
以上のようにこの発明によれば、真空容器に回転機構を
設けているため真空容器を回転させることができ、これ
によって真空容器に取り付けられた照射窓を作業性の良
い方向に向けることができる。その結果、照射窓の窓箔
交換の作業性を向上させることができる。As described above, according to the present invention, since the vacuum container is provided with a rotation mechanism, the vacuum container can be rotated, and thereby the irradiation window attached to the vacuum container can be oriented in a direction with good workability. . As a result, the workability of replacing the window foil of the irradiation window can be improved.
第１図は、この発明に係る電子線照射装置の真空容器の
回転機構回りの一例を示す概略図である。
第２図は、この発明に係る電子線照射装置の真空容器の
回転機構回りの他の例を示す概略図である。
第３図は従来の電子線照射装置の平面図であり、第４図
はその正面図であり、第５図は第３図の線Ｖ−Ｖ方向に
見た図である。第６図は、第３図のＤ部回りを拡大した
概略図である。
４゛・・・圧力容器、６・・・真空容器、８・・・電子
線発生・加速部、１０・・・照射窓、１８・・・スペ−
サーコーン、２２．２４・・・ベアリング、２６゜２８
・・・ ０リングFIG. 1 is a schematic diagram showing an example of a rotation mechanism of a vacuum container of an electron beam irradiation apparatus according to the present invention. FIG. 2 is a schematic diagram showing another example of the rotation mechanism of the vacuum container of the electron beam irradiation apparatus according to the present invention. 3 is a plan view of a conventional electron beam irradiation device, FIG. 4 is a front view thereof, and FIG. 5 is a view taken along the line V--V in FIG. 3. FIG. 6 is an enlarged schematic view of the area around D in FIG. 3. 4゛... Pressure vessel, 6... Vacuum vessel, 8... Electron beam generation/acceleration section, 10... Irradiation window, 18... Space
Circone, 22.24...Bearing, 26°28
・・・ 0 ring
Claims (1)
の電子線を、真空容器に取り付けられていて真空側と照
射雰囲気側とを分離する照射窓を通して照射雰囲気側に
照射する電子線照射装置において、当該真空容器に回転
機構を設けたことを特徴とする電子線照射装置。(1) An electron beam is emitted from an electron beam generation/acceleration unit installed in a vacuum container onto the irradiation atmosphere side through an irradiation window attached to the vacuum container that separates the vacuum side and the irradiation atmosphere side. An electron beam irradiation device characterized in that the vacuum container is provided with a rotation mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3495185A JPS61194400A (en) | 1985-02-22 | 1985-02-22 | Electron beam irradiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3495185A JPS61194400A (en) | 1985-02-22 | 1985-02-22 | Electron beam irradiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61194400A true JPS61194400A (en) | 1986-08-28 |
Family
ID=12428468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3495185A Pending JPS61194400A (en) | 1985-02-22 | 1985-02-22 | Electron beam irradiator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61194400A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989009906A1 (en) * | 1988-04-07 | 1989-10-19 | Loma Linda University Medical Center | Roller-supported, modular, isocentric gantry and method of assembly |
| JP2005300327A (en) * | 2004-04-12 | 2005-10-27 | Iwasaki Electric Co Ltd | Electron beam irradiation device |
| US8093569B2 (en) | 2003-08-12 | 2012-01-10 | Loma Linda University Medical Centre | Modular patient support system |
| US9084886B2 (en) | 2006-11-21 | 2015-07-21 | Loma Linda University Medical Center | Device and method for immobilizing patients for breast radiation therapy |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5027159A (en) * | 1973-07-13 | 1975-03-20 |
-
1985
- 1985-02-22 JP JP3495185A patent/JPS61194400A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5027159A (en) * | 1973-07-13 | 1975-03-20 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989009906A1 (en) * | 1988-04-07 | 1989-10-19 | Loma Linda University Medical Center | Roller-supported, modular, isocentric gantry and method of assembly |
| US5039057A (en) * | 1988-04-07 | 1991-08-13 | Loma Linda University Medical Center | Roller-supported, modular, isocentric gentry and method of assembly |
| US8093569B2 (en) | 2003-08-12 | 2012-01-10 | Loma Linda University Medical Centre | Modular patient support system |
| US8418288B2 (en) | 2003-08-12 | 2013-04-16 | Loma Linda University Medical Center | Modular patient support system |
| JP2005300327A (en) * | 2004-04-12 | 2005-10-27 | Iwasaki Electric Co Ltd | Electron beam irradiation device |
| US9084886B2 (en) | 2006-11-21 | 2015-07-21 | Loma Linda University Medical Center | Device and method for immobilizing patients for breast radiation therapy |
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