JP5153388B2 - X線発生装置ならびにx線分析装置、x線透過像計測装置及びx線干渉計 - Google Patents
X線発生装置ならびにx線分析装置、x線透過像計測装置及びx線干渉計 Download PDFInfo
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- JP5153388B2 JP5153388B2 JP2008056737A JP2008056737A JP5153388B2 JP 5153388 B2 JP5153388 B2 JP 5153388B2 JP 2008056737 A JP2008056737 A JP 2008056737A JP 2008056737 A JP2008056737 A JP 2008056737A JP 5153388 B2 JP5153388 B2 JP 5153388B2
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- 230000005540 biological transmission Effects 0.000 title claims description 12
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- 239000002184 metal Substances 0.000 claims description 72
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- 238000010894 electron beam technology Methods 0.000 claims description 44
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 6
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Description
図1は、本発明に係るストライプ状のX線金属ターゲット(金属薄膜)を備えたX線発生装置(X線管)の第1の実施の形態を示す斜視図である。図2は、本発明に係るストライプ状のX線金属ターゲット(金属薄膜)を備えたX線発生装置(X線管)の第1の実施の形態を示す断面図である。即ち、本発明に係るX線発生装置(X線管)の第1の実施の形態は、内部を真空可能に構成したステンレス製のX線管本体1に電子源2と陽極3を形成するターゲット部材3a及び3bとを設けて構成される。電子源2はフィラメント電源41による加熱で熱電子を放出し陰極を構成するフィラメント21と、電子ビーム23を30〜60μm程度(特性X線の径を10〜30μm程度を得ようとする場合)に収束する電子レンズ22とを備えて構成される。電子レンズ22は、静電場によるものでも、磁場によるものでも同等の効果を発揮する。本実施例では静電レンズによるものを示しており、特にバイアス電圧42を印加しなくても電子ビームの金属ターゲット上収束径30〜60μmを得ることは可能である。フィラメント21と陽極3との間には金属ターゲット(金属薄膜)3aに対して収束させた電子ビーム23を照射するための高圧電源4が設けられている。発生したX線はX線取り出し窓34の方向に射出されるもの35がX線発生装置から取り出され使用される。
本発明に係るストライプ状のX線金属ターゲット(金属薄膜)を備えたX線発生装置(X線管)の第2の実施の形態において、第1の実施の形態と相違する点は、図6を用いて説明する。
Claims (4)
- 内部を真空可能に構成した管本体と、該管本体内において電子ビームを発生する電子源と、前記管本体内に設けられ、前記電子源から出射される電子ビームが照射されることによりX線を発生するためのターゲット部材とを備えたX線発生装置において、
前記電子源から出射される電子ビームを前記ターゲット部材上に径が30〜60μmの範囲内で集束して照射させる電子レンズを備え、かつ、当該電子レンズに磁気シールド効果のある金属材料を用い、
さらに、前記ターゲット部材を、熱伝導率が銅の2〜5倍の合成ダイヤモンド層の基材と、当該基材上に形成の繰り返される前記ターゲット部材上に照射される前記電子ビームの径よりも狭い複数の微小幅のストライプ状金属薄膜とで構成するとともに、前記合成ダイヤモンド層の基材を前記ストライプ状金属薄膜より厚く形成し、
前記電子源から出射される電子ビームを前記電子レンズにより前記ストライプ状金属薄膜に集束して照射させることにより、前記ストライプ状金属薄膜から発生する特性X線を低角度でX線窓を通して外部に出射させるとともに、前記ストライプ状金属薄膜から発生する熱を前記合成ダイヤモンド層の基材に伝達させて前記ストライプ状金属薄膜を冷却させることを特徴とするX線発生装置。 - 請求項1に記載のX線発生装置を備えたことを特徴とするX線分析装置。
- 請求項1に記載のX線発生装置を備えたことを特徴とするX線透過像計測装置。
- 請求項1に記載のX線発生装置を備えたことを特徴とするX線干渉計。
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| JP2008056737A JP5153388B2 (ja) | 2008-03-06 | 2008-03-06 | X線発生装置ならびにx線分析装置、x線透過像計測装置及びx線干渉計 |
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| US20150117599A1 (en) | 2013-10-31 | 2015-04-30 | Sigray, Inc. | X-ray interferometric imaging system |
| JP6114981B2 (ja) * | 2012-10-17 | 2017-04-19 | 株式会社リガク | X線発生装置 |
| US10269528B2 (en) | 2013-09-19 | 2019-04-23 | Sigray, Inc. | Diverging X-ray sources using linear accumulation |
| US10295485B2 (en) | 2013-12-05 | 2019-05-21 | Sigray, Inc. | X-ray transmission spectrometer system |
| US10297359B2 (en) | 2013-09-19 | 2019-05-21 | Sigray, Inc. | X-ray illumination system with multiple target microstructures |
| US10304580B2 (en) | 2013-10-31 | 2019-05-28 | Sigray, Inc. | Talbot X-ray microscope |
| USRE48612E1 (en) | 2013-10-31 | 2021-06-29 | Sigray, Inc. | X-ray interferometric imaging system |
| CN111166363B (zh) * | 2014-05-01 | 2023-12-12 | 斯格瑞公司 | X射线干涉成像系统 |
| US10401309B2 (en) | 2014-05-15 | 2019-09-03 | Sigray, Inc. | X-ray techniques using structured illumination |
| CN110530907B (zh) * | 2014-06-06 | 2022-05-17 | 斯格瑞公司 | X射线吸收测量系统 |
| US10352880B2 (en) | 2015-04-29 | 2019-07-16 | Sigray, Inc. | Method and apparatus for x-ray microscopy |
| US10295486B2 (en) | 2015-08-18 | 2019-05-21 | Sigray, Inc. | Detector for X-rays with high spatial and high spectral resolution |
| US10247683B2 (en) | 2016-12-03 | 2019-04-02 | Sigray, Inc. | Material measurement techniques using multiple X-ray micro-beams |
| JP6937380B2 (ja) | 2017-03-22 | 2021-09-22 | シグレイ、インコーポレイテッド | X線分光を実施するための方法およびx線吸収分光システム |
| DE102018201245B3 (de) * | 2018-01-26 | 2019-07-25 | Carl Zeiss Industrielle Messtechnik Gmbh | Target für eine Strahlungsquelle, Strahlungsquelle zum Erzeugen invasiver elektromagnetischer Strahlung, Verwendung einer Strahlungsquelle und Verfahren zum Herstellen eines Targets für eine Strahlungsquelle |
| US10578566B2 (en) | 2018-04-03 | 2020-03-03 | Sigray, Inc. | X-ray emission spectrometer system |
| JP7195341B2 (ja) | 2018-06-04 | 2022-12-23 | シグレイ、インコーポレイテッド | 波長分散型x線分光計 |
| US10658145B2 (en) | 2018-07-26 | 2020-05-19 | Sigray, Inc. | High brightness x-ray reflection source |
| US10656105B2 (en) | 2018-08-06 | 2020-05-19 | Sigray, Inc. | Talbot-lau x-ray source and interferometric system |
| WO2020051061A1 (en) | 2018-09-04 | 2020-03-12 | Sigray, Inc. | System and method for x-ray fluorescence with filtering |
| US11056308B2 (en) | 2018-09-07 | 2021-07-06 | Sigray, Inc. | System and method for depth-selectable x-ray analysis |
| US11152183B2 (en) | 2019-07-15 | 2021-10-19 | Sigray, Inc. | X-ray source with rotating anode at atmospheric pressure |
| CN114501758B (zh) * | 2022-01-11 | 2025-03-25 | 长春理工大学 | 一种高通量x射线源 |
| US12278080B2 (en) | 2022-01-13 | 2025-04-15 | Sigray, Inc. | Microfocus x-ray source for generating high flux low energy x-rays |
| US12360067B2 (en) | 2022-03-02 | 2025-07-15 | Sigray, Inc. | X-ray fluorescence system and x-ray source with electrically insulative target material |
| US12181423B1 (en) | 2023-09-07 | 2024-12-31 | Sigray, Inc. | Secondary image removal using high resolution x-ray transmission sources |
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| EP0432568A3 (en) * | 1989-12-11 | 1991-08-28 | General Electric Company | X ray tube anode and tube having same |
| JP2001035428A (ja) * | 1999-07-22 | 2001-02-09 | Shimadzu Corp | X線発生装置 |
| JP4533553B2 (ja) * | 2001-04-13 | 2010-09-01 | 株式会社リガク | X線管 |
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