JP5436760B2 - X線管 - Google Patents
X線管 Download PDFInfo
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- JP5436760B2 JP5436760B2 JP2007134462A JP2007134462A JP5436760B2 JP 5436760 B2 JP5436760 B2 JP 5436760B2 JP 2007134462 A JP2007134462 A JP 2007134462A JP 2007134462 A JP2007134462 A JP 2007134462A JP 5436760 B2 JP5436760 B2 JP 5436760B2
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- ray
- anode
- ray irradiation
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Description
11 真空管
11a X線導出窓
12 軸状陽極
12a 陽極先端部
14 環状陰極
16 電子遮蔽部材
Claims (3)
- 真空管内部に、先端側がX線照射方向線上に延びる錐形でかつその錐形頂部がX線照射方向線上前方向に向く陽極と、この陽極先端部の半径方向外側を該陽極先端部と同心で環状に囲み外周面がナノ炭素膜からなる電界放射型の断面円形の環状陰極と、この環状陰極と同電位または略同電位が印加されるとともに少なくとも環状陰極のX線照射方向両側に配置されて環状陰極が放出する電子を遮蔽する電子遮蔽部材と、上記X線照射方向線上で陽極先端部前方の真空管管壁にX線透過可能な薄膜からなるX線導出窓とを備え、前記電子遮蔽部材は、環状陰極のX線照射方向両側の該X線照射方向周り環状に配置された一対の環状板部とこれら一対の環状板部を連設するとともに前記環状陰極の径方向外側に配置される円筒部からなることを特徴とするX線管。
- 前記一対の環状板部の内径は前記環状陰極の内径よりも小径であることを特徴とする請求項1に記載のX線管。
- 上記陽極先端部の外周斜面のX線照射方向線に対する角度が、環状陰極からの電子ビームのビーム径よりも陽極先端部から発生したX線束の束径を小さくする角度に調整されている、ことを特徴とする請求項1または2に記載のX線管。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007134462A JP5436760B2 (ja) | 2007-05-21 | 2007-05-21 | X線管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007134462A JP5436760B2 (ja) | 2007-05-21 | 2007-05-21 | X線管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008288159A JP2008288159A (ja) | 2008-11-27 |
JP5436760B2 true JP5436760B2 (ja) | 2014-03-05 |
Family
ID=40147670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007134462A Active JP5436760B2 (ja) | 2007-05-21 | 2007-05-21 | X線管 |
Country Status (1)
Country | Link |
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JP (1) | JP5436760B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5127313B2 (ja) * | 2007-06-15 | 2013-01-23 | 義久 石黒 | 検査システム |
KR102312207B1 (ko) * | 2015-08-11 | 2021-10-14 | 한국전자통신연구원 | 엑스선 소스 및 이를 포함하는 장치 |
EP3696845A1 (en) * | 2019-02-12 | 2020-08-19 | Malvern Panalytical B.V. | X-ray tube and x-ray analysis system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL42763A0 (en) * | 1972-09-18 | 1973-10-25 | Bendix Corp | A field emission x-ray tube |
JPS63261663A (ja) * | 1987-04-20 | 1988-10-28 | Fujitsu Ltd | X線露光装置 |
US4870671A (en) * | 1988-10-25 | 1989-09-26 | X-Ray Technologies, Inc. | Multitarget x-ray tube |
JP2006073385A (ja) * | 2004-09-02 | 2006-03-16 | Shimadzu Corp | X線管装置 |
JP2007048583A (ja) * | 2005-08-10 | 2007-02-22 | Casio Comput Co Ltd | X線発生装置 |
-
2007
- 2007-05-21 JP JP2007134462A patent/JP5436760B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2008288159A (ja) | 2008-11-27 |
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