JP5342741B2 - X線ターゲットを漸変構成にする方法 - Google Patents
X線ターゲットを漸変構成にする方法 Download PDFInfo
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- JP5342741B2 JP5342741B2 JP2006240239A JP2006240239A JP5342741B2 JP 5342741 B2 JP5342741 B2 JP 5342741B2 JP 2006240239 A JP2006240239 A JP 2006240239A JP 2006240239 A JP2006240239 A JP 2006240239A JP 5342741 B2 JP5342741 B2 JP 5342741B2
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- 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
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- 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
- H01J35/101—Arrangements for rotating anodes, e.g. supporting means, means for greasing, means for sealing the axle or means for shielding or protecting the driving
- H01J35/1017—Bearings for rotating anodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/08—Targets (anodes) and X-ray converters
- H01J2235/083—Bonding or fixing with the support or substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/10—Drive means for anode (target) substrate
- H01J2235/1046—Bearings and bearing contact surfaces
-
- 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
- H01J2235/1291—Thermal conductivity
Description
図1は、複合X線ターゲットの概要を示す断面ブロック図である。システム100はしばしばX線ターゲットと呼ぶ。システム100は、熱伝導度を減少させることなく機械的強度を増大させると云うX線ターゲットについての当該技術分野での要望を解決する。
前のセクションで、一実施形態の動作についてのシステム全体の概要を説明した。このセクションでは、このような実施形態の特定の装置について一連の図を参照して説明する。
前のセクションで、実施形態の製造装置及び動作について説明した。このセクションでは、X線エネルギ・ターゲットを製造する特定の方法を、一連の流れ図を参照して説明する。以下に述べる2つの方法以外のX線エネルギ・ターゲットを製造する他の方法は可能である。
V=(2gr2)(dl−d2)/9μ
ここで、V=降下速度(cm/秒)
g=重力加速度(cm/秒2)
r=粒子の「相当」半径(cm)
d1=粒子の密度(g/cm3)
d2=媒体の密度(g/cm3)
μ=媒体の粘度(ダイン・秒/cm3)。
複合X線ターゲットを記述した。特定の実施形態を例示して説明したが、当業者には、同じ目的を達成すると予想されるいかなる構成も図示の特定の実施形態と置き換えることができることを理解されよう。本出願は任意の改変又は変形をカバーするものである。例えば、X線に関連して説明したが、当業者には、必要とされる機能を提供する他のX線ターゲットについて様々な手段を作ることができることが理解されよう。
102 X線ターゲット・キャップ
104 焦点トラック
106 複合黒鉛ターゲット
112 内径部
114 縦方向のZ軸
116 X軸
118 Y軸
600 X線管
602 陰極
604 外囲器
608 陰極フィラメント
610 ベルビル・ナット
612 前側軸受
614 後側軸受
616 回転シャフト
618 ターゲット支柱
620 回転子ハブ
622 回転子
624、626 軸受保持器
700、800、900 黒鉛を漸変構成にする方法
Claims (1)
- X線ターゲット・キャップ(102)と、前記X線ターゲット・キャップ(102)に動作上結合された複合黒鉛材料(106)とを有する複合黒鉛X線ターゲットを漸変構成にする方法(700)であって、
X線ターゲットの外周部を規定する第1の領域(202)となる高熱伝導性の黒鉛前駆物質の構造体を作成する工程(702)と、
前記構造体の内側に前記第1の領域(202)よりも高い強度特性及び低い熱伝導特性を持つ黒鉛前駆物質の第2の領域(204)を作成する工程(706)と、
X線ターゲット用に複合黒鉛を圧縮成形する工程(708)と、
複合黒鉛を含浸させる工程(710)と、
複合黒鉛X線ターゲットを黒鉛化する工程(712)と、
複合黒鉛X線ターゲットを浄化する工程(714)と、
を有し、
前記第1の領域(202)が、より大きい粒度の黒鉛を含み、
前記第2の領域(204)が、より小さい粒度の黒鉛を含み、
前記第2の領域(204)を作成する工程(706)が、流体での遠心鋳造を行う工程を含み、
前記第1及び第2の領域(202、204)が、熱的特性及び強度特性が徐々に変化し、明確な分割点を生じることなく段階的に変化し、
前記第1の領域(202)が前記X線ターゲットにおける熱伝導度特性を改善する、
方法(700)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/227,645 | 2005-09-15 | ||
US11/227,645 US7382864B2 (en) | 2005-09-15 | 2005-09-15 | Systems, methods and apparatus of a composite X-Ray target |
Publications (2)
Publication Number | Publication Date |
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JP2007087943A JP2007087943A (ja) | 2007-04-05 |
JP5342741B2 true JP5342741B2 (ja) | 2013-11-13 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006240239A Active JP5342741B2 (ja) | 2005-09-15 | 2006-09-05 | X線ターゲットを漸変構成にする方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7382864B2 (ja) |
JP (1) | JP5342741B2 (ja) |
AT (1) | AT502587B1 (ja) |
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Also Published As
Publication number | Publication date |
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AT502587B1 (de) | 2009-01-15 |
JP2007087943A (ja) | 2007-04-05 |
AT502587A2 (de) | 2007-04-15 |
US7382864B2 (en) | 2008-06-03 |
AT502587A3 (de) | 2007-10-15 |
US20070071174A1 (en) | 2007-03-29 |
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