JP4206329B2 - X線管 - Google Patents
X線管 Download PDFInfo
- Publication number
- JP4206329B2 JP4206329B2 JP2003394904A JP2003394904A JP4206329B2 JP 4206329 B2 JP4206329 B2 JP 4206329B2 JP 2003394904 A JP2003394904 A JP 2003394904A JP 2003394904 A JP2003394904 A JP 2003394904A JP 4206329 B2 JP4206329 B2 JP 4206329B2
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- JP
- Japan
- Prior art keywords
- target
- ray
- electron beam
- groove
- ray tube
- 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.)
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Description
32 X線発生面
34 陰極フィラメント
36 電子ビーム
38 溝
40 巨視的表面
42 傾斜面
44 傾斜面
46 X線ビーム
48 取り出し窓
50 電子ビーム照射領域
Claims (3)
- 電子ビームを発生する電子ビーム発生源と,前記電子ビームが照射されてX線を発生するターゲットと,前記X線をX線管の外部に取り出す取り出し窓とを備えるX線管において,
前記ターゲットの電子ビーム照射領域に,深さが0.5μm〜100μmの範囲内の互いに平行な多数の溝が形成されていて,前記溝の表面の少なくとも一部が,前記ターゲットの巨視的表面に対して30〜80度の範囲内の角度で傾斜しており,前記溝の表面のすべてが同一の金属で形成されていて,
前記ターゲットは円筒形の巨視的表面を有する回転ターゲットであり,前記溝が前記円筒形の巨視的表面の周方向に延びていることを特徴とするX線管。 - 電子ビームを発生する電子ビーム発生源と,前記電子ビームが照射されてX線を発生するターゲットと,前記ターゲットの巨視的表面に対して取り出し角が3〜12度の範囲内となるように前記X線をX線管の外部に取り出す取り出し窓とを備えるX線管において,
前記ターゲットの電子ビーム照射領域に,深さが0.5μm〜100μmの範囲内の互いに平行な多数の溝が形成されていて,前記溝の表面の少なくとも一部が,前記ターゲットの巨視的表面に対して30〜80度の範囲内の角度で傾斜していて,,
前記ターゲットは円筒形の巨視的表面を有する回転ターゲットであり,前記溝が前記円筒形の巨視的表面の周方向に延びていることを特徴とするX線管。 - 請求項1または2に記載のX線管において,前記溝の深さが0.5μm〜10μmの範囲内であることを特徴とするX線管。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003394904A JP4206329B2 (ja) | 2003-11-26 | 2003-11-26 | X線管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003394904A JP4206329B2 (ja) | 2003-11-26 | 2003-11-26 | X線管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005158474A JP2005158474A (ja) | 2005-06-16 |
JP4206329B2 true JP4206329B2 (ja) | 2009-01-07 |
Family
ID=34720799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003394904A Expired - Fee Related JP4206329B2 (ja) | 2003-11-26 | 2003-11-26 | X線管 |
Country Status (1)
Country | Link |
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JP (1) | JP4206329B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5158699B2 (ja) * | 2008-02-20 | 2013-03-06 | 国立大学法人 東京大学 | X線撮像装置、及び、これに用いるx線源 |
JP5548189B2 (ja) * | 2009-03-27 | 2014-07-16 | 株式会社リガク | X線発生装置のターゲットと、その加工方法 |
JP5548188B2 (ja) | 2009-03-27 | 2014-07-16 | 株式会社リガク | X線発生装置とそれを用いた検査装置 |
JP5645449B2 (ja) | 2010-04-14 | 2014-12-24 | キヤノン株式会社 | X線源及びx線撮影装置 |
WO2012005128A1 (en) | 2010-07-05 | 2012-01-12 | Canon Kabushiki Kaisha | X-ray source, x-ray imaging apparatus, and x-ray computed tomography imaging system |
-
2003
- 2003-11-26 JP JP2003394904A patent/JP4206329B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2005158474A (ja) | 2005-06-16 |
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