JP4644508B2 - X線管 - Google Patents
X線管 Download PDFInfo
- Publication number
- JP4644508B2 JP4644508B2 JP2005097658A JP2005097658A JP4644508B2 JP 4644508 B2 JP4644508 B2 JP 4644508B2 JP 2005097658 A JP2005097658 A JP 2005097658A JP 2005097658 A JP2005097658 A JP 2005097658A JP 4644508 B2 JP4644508 B2 JP 4644508B2
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- anode
- output port
- rays
- 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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- X-Ray Techniques (AREA)
Description
12 容器としての真空外囲器
15 陰極
16 陰極フィラメント
18 陽極としての陽極ターゲット
20 一次X線
21 出力口
25 蛍光X線
Claims (4)
- 電子を放出する細長い形状の陰極フィラメントを有する陰極と、
この陰極に対向して前記陰極フィラメントから放出された電子の入射によって一次X線を放出する陽極と、
前記陰極および前記陽極を収容し、前記陽極から放出された一次X線を外部に放射するとともに前記陰極の表面で発生した蛍光X線が外部に放射されるのを低減するように設けられている出力口を設けた容器と
を具備し、
前記出力口は、
前記陰極フィラメントの長手方向に対応して2つ、前記陰極フィラメントの長手方向に交差する方向に対応して2つをそれぞれ有し、
前記陰極と前記陽極との間で前記陰極の表面および前記陽極の表面よりそれぞれ離間した中間位置に臨んで前記出力口全体が開口し、かつ前記陰極の表面から離間した距離が前記陽極の表面から離間した距離より大きく、
前記陰極と前記陽極との対向方向に対応した開口幅より前記陽極の表面に沿った方向の開口幅が広く設けられた
ことを特徴とするX線管。 - 前記出力口は、長方形、楕円形および多角形のいずれかの形状である
ことを特徴とする請求項1記載のX線管。 - 前記出力口は、前記陰極フィラメントの長手方向に対応する出力口と、前記陰極フィラメントの長手方向に交差する方向に対応する出力口とで、前記陽極の表面に沿った方向の開口幅が異なる
ことを特徴とする請求項1記載のX線管。 - 前記陰極の表面の材質はニッケルであり、
前記蛍光X線は、前記陽極から放出された一次X線が前記陰極の表面に照射されることにより発生する蛍光X線である
ことを特徴とする請求項1記載のX線管。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005097658A JP4644508B2 (ja) | 2005-03-30 | 2005-03-30 | X線管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005097658A JP4644508B2 (ja) | 2005-03-30 | 2005-03-30 | X線管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006278216A JP2006278216A (ja) | 2006-10-12 |
JP4644508B2 true JP4644508B2 (ja) | 2011-03-02 |
Family
ID=37212755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005097658A Active JP4644508B2 (ja) | 2005-03-30 | 2005-03-30 | X線管 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4644508B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5203723B2 (ja) | 2008-01-17 | 2013-06-05 | 株式会社東芝 | X線管 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0348846U (ja) * | 1989-09-19 | 1991-05-10 | ||
JPH04315752A (ja) * | 1990-11-21 | 1992-11-06 | Varian Assoc Inc | 高出力回転陽極x線管 |
JPH04363700A (ja) * | 1990-08-01 | 1992-12-16 | Canon Inc | X線透過窓およびその取付け方法 |
JPH11273597A (ja) * | 1997-12-19 | 1999-10-08 | Picker Internatl Inc | X線管 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007504634A (ja) * | 2003-05-30 | 2007-03-01 | コニンクリユケ フィリップス エレクトロニクス エヌ.ブイ. | X線管における強化電子後方散乱 |
-
2005
- 2005-03-30 JP JP2005097658A patent/JP4644508B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0348846U (ja) * | 1989-09-19 | 1991-05-10 | ||
JPH04363700A (ja) * | 1990-08-01 | 1992-12-16 | Canon Inc | X線透過窓およびその取付け方法 |
JPH04315752A (ja) * | 1990-11-21 | 1992-11-06 | Varian Assoc Inc | 高出力回転陽極x線管 |
JPH11273597A (ja) * | 1997-12-19 | 1999-10-08 | Picker Internatl Inc | X線管 |
Also Published As
Publication number | Publication date |
---|---|
JP2006278216A (ja) | 2006-10-12 |
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