JP2017510051A - X線デバイス - Google Patents
X線デバイス Download PDFInfo
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- JP2017510051A JP2017510051A JP2016568131A JP2016568131A JP2017510051A JP 2017510051 A JP2017510051 A JP 2017510051A JP 2016568131 A JP2016568131 A JP 2016568131A JP 2016568131 A JP2016568131 A JP 2016568131A JP 2017510051 A JP2017510051 A JP 2017510051A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 27
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- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 238000002591 computed tomography Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
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- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000002019 doping agent Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000004846 x-ray emission Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 150000002736 metal compounds Chemical class 0.000 claims description 2
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 description 13
- 230000008901 benefit Effects 0.000 description 12
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- 239000002041 carbon nanotube Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910021393 carbon nanotube Inorganic materials 0.000 description 7
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
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- 238000001179 sorption measurement Methods 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
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- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
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- 229910052717 sulfur Inorganic materials 0.000 description 1
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- 229910052715 tantalum Inorganic materials 0.000 description 1
- XSOKHXFFCGXDJZ-UHFFFAOYSA-N telluride(2-) Chemical compound [Te-2] XSOKHXFFCGXDJZ-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Images
Classifications
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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
- H01J35/06—Cathodes
- H01J35/065—Field emission, photo emission or secondary emission cathodes
-
- 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
- H01J35/06—Cathodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/30—Cold cathodes
- H01J2201/304—Field emission cathodes
- H01J2201/30446—Field emission cathodes characterised by the emitter material
- H01J2201/30488—Nitrides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/30—Cold cathodes
- H01J2201/304—Field emission cathodes
- H01J2201/30446—Field emission cathodes characterised by the emitter material
- H01J2201/30496—Oxides
Landscapes
- X-Ray Techniques (AREA)
- Cold Cathode And The Manufacture (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
Description
14 電子受け取り素子
20 窓
21 加熱素子
22 電子エミッタ
23 導電性基体
24 ナノ構造
25 電子ビーム
26 エックス線ビーム
28 電源
Claims (15)
- ナノ構造(24)のコーティングを有する導電性基体(23)を備える少なくとも一つの電子エミッタ(22、22_1、22_2、22_3)と、
前記少なくとも一つの電子エミッタの各導電性基体に取り付け可能な加熱素子(21)と、
前記少なくとも一つの電子エミッタから放出された電子を受け取るように構成された電子受け取り素子(14)と、
前記少なくとも一つの電子エミッタと、前記加熱素子と、前記電子受け取り素子とを収容するように構成された真空筐体(10)と、を備え、
前記少なくとも一つの電子エミッタが、前記加熱素子がオン状態であり且つ前記少なくとも一つの電子エミッタに負のバイアスがかけられる際のショットキー放出用に構成されている、X線発生デバイス。 - 前記少なくとも一つの電子エミッタ(22、22_1、22_2、22_3)が、前記加熱素子(21)がオフ状態であり且つ前記少なくとも一つの電子エミッタに負のバイアスがかけられる際の電界放出用に更に構成されている、請求項1に記載のX線発生デバイス。
- 前記加熱素子(21)の動作状態を制御するように構成された電源(28)を更に備える請求項1又は2に記載のX線発生デバイス。
- 前記電源(28)が、(−,0)、(−,+)及び(0,+)の三つのバイアスモードで前記少なくとも一つの電子エミッタ(22、22_1、22_2、22_3)と前記電子受け取り素子(14)との間の電位差を与えるように更に構成されている、請求項3に記載のX線発生デバイス。
- 前記電源(28)が、DCモード、パルスモード、又はACモードで動作するように構成されている、請求項3又は4に記載のX線発生デバイス。
- 前記導電性基体(23)が、ステンレス鋼、ニッケル、ニッケル系合金、鉄、又は鉄系合金製である、請求項1から5のいずれか一項に記載のX線発生デバイス。
- 前記ナノ構造(24)が、元素周期表のIA、IIA、IB、IIIA,VIA、又はVIIA族のドーパント元素でドーピング又は共添加されている、請求項1から6のいずれか一項に記載のX線発生デバイス。
- 前記ナノ構造(24)がZnO製である、請求項1から7のいずれか一項に記載のX線発生デバイス。
- 前記電子受け取り素子(14)が、金属、金属合金、金属化合物、又は金属セラミック複合材製である、請求項1から8のいずれか一項に記載のX線発生デバイス。
- 前記少なくとも一つの電子エミッタ(22、22_1、22_2、22_3)が、スペーサ(31)を介して100μmから1000μmまでの間の固定距離に位置するグリッド(30)を更に備える、請求項1から9のいずれか一項に記載のX線発生デバイス。
- セキュリティX線走査装置における請求項1から10のいずれか一項に記載のX線発生デバイスの使用。
- コンピュータトモグラフィ走査装置における請求項1から10のいずれか一項に記載のX線発生デバイスの使用。
- Cアーム型走査装置における請求項1から10のいずれか一項に記載のX線発生デバイスの使用。
- 地質調査装置における請求項1から10のいずれか一項に記載のX線発生デバイスの使用。
- X線蛍光分光法における請求項1から10のいずれか一項に記載のX線発生デバイスの使用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019203282A JP6980740B2 (ja) | 2015-02-10 | 2019-11-08 | X線デバイス |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461937677P | 2014-02-10 | 2014-02-10 | |
PCT/EP2015/052788 WO2015118177A1 (en) | 2014-02-10 | 2015-02-10 | An x-ray device |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019203282A Division JP6980740B2 (ja) | 2015-02-10 | 2019-11-08 | X線デバイス |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2017510051A true JP2017510051A (ja) | 2017-04-06 |
Family
ID=52473906
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016568132A Active JP6804304B2 (ja) | 2014-02-10 | 2015-02-10 | X線管用の電子エミッタ及びx線デバイス |
JP2016568131A Pending JP2017510051A (ja) | 2014-02-10 | 2015-02-10 | X線デバイス |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016568132A Active JP6804304B2 (ja) | 2014-02-10 | 2015-02-10 | X線管用の電子エミッタ及びx線デバイス |
Country Status (12)
Country | Link |
---|---|
US (2) | US10825635B2 (ja) |
EP (2) | EP3105772B1 (ja) |
JP (2) | JP6804304B2 (ja) |
KR (2) | KR102368515B1 (ja) |
CN (2) | CN106463321B (ja) |
AU (2) | AU2015213991B2 (ja) |
BR (2) | BR112016018369B1 (ja) |
CA (2) | CA2939139A1 (ja) |
MX (2) | MX360238B (ja) |
RU (2) | RU2675791C2 (ja) |
SA (2) | SA516371636B1 (ja) |
WO (2) | WO2015118178A1 (ja) |
Cited By (1)
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JP2020533767A (ja) * | 2017-09-20 | 2020-11-19 | チェッテーン ゲゼルシャフト ミット ベシュレンクテル ハフツング | Mbfex管 |
Families Citing this family (18)
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US10283311B2 (en) * | 2015-08-21 | 2019-05-07 | Electronics And Telecommunications Research Institute | X-ray source |
GB2537196B (en) * | 2015-10-02 | 2017-05-10 | Mario Michan Juan | Apparatus and method for electron irradiation scrubbing |
KR102201864B1 (ko) | 2015-12-04 | 2021-01-11 | 럭스브라이트 에이비 | 전자 유도 및 수신하는 소자 |
US10096148B1 (en) | 2017-04-26 | 2018-10-09 | The Aerospace Corporation | Portable x-ray computed tomography |
TWI651748B (zh) * | 2017-07-10 | 2019-02-21 | 法商歐洲雷射系統與方案解決公司 | 低壓佈線離子電漿放電源,及其用於具有二次發射之電子源的應用 |
CN108072672B (zh) * | 2017-12-14 | 2021-03-02 | 清华大学 | 一种烧蚀结构形貌及产物的在线监测装置及其监测方法 |
CN112368795A (zh) * | 2018-04-06 | 2021-02-12 | 微-X有限公司 | 用于大电流应用的大规模稳定场发射体 |
KR102027407B1 (ko) * | 2018-05-16 | 2019-11-04 | 원광대학교산학협력단 | 탄소나노튜브 실을 이용한 필드 에미터 및 냉음극 구조 |
KR101956153B1 (ko) | 2018-10-04 | 2019-06-24 | 어썸레이 주식회사 | 탄소나노튜브를 포함하는 얀의 제조방법 및 이로부터 제조된 얀 |
KR101962215B1 (ko) | 2018-11-30 | 2019-03-26 | 어썸레이 주식회사 | 일 방향으로 정렬된 얀을 포함하는 탄소나노튜브 시트를 제조하는 방법 및 이에 의해 제조된 탄소나노튜브 시트 |
KR101992745B1 (ko) | 2019-01-24 | 2019-06-26 | 어썸레이 주식회사 | 구조적 안정성이 우수하고 전자 방출 효율이 향상된 이미터 및 이를 포함하는 x-선 튜브 |
US10825634B2 (en) * | 2019-02-21 | 2020-11-03 | Varex Imaging Corporation | X-ray tube emitter |
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CN113311012A (zh) * | 2021-05-26 | 2021-08-27 | 西湖大学 | 基于多晶x射线衍射仪的电化学检测装置及其测试方法 |
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