CA2268137A1 - Air-cooled end-window metal-ceramic x-ray tube for lower power xrf applications - Google Patents
Air-cooled end-window metal-ceramic x-ray tube for lower power xrf applications Download PDFInfo
- Publication number
- CA2268137A1 CA2268137A1 CA002268137A CA2268137A CA2268137A1 CA 2268137 A1 CA2268137 A1 CA 2268137A1 CA 002268137 A CA002268137 A CA 002268137A CA 2268137 A CA2268137 A CA 2268137A CA 2268137 A1 CA2268137 A1 CA 2268137A1
- Authority
- CA
- Canada
- Prior art keywords
- ray tube
- ray
- cathode
- assembly
- potting material
- 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.)
- Abandoned
Links
- 239000000919 ceramic Substances 0.000 title claims description 6
- 238000004846 x-ray emission Methods 0.000 claims abstract description 22
- 230000004907 flux Effects 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 43
- 238000004382 potting Methods 0.000 claims description 33
- 239000012212 insulator Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 14
- 238000010894 electron beam technology Methods 0.000 claims description 10
- 238000004876 x-ray fluorescence Methods 0.000 claims description 10
- 229910052582 BN Inorganic materials 0.000 claims description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical group N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 5
- 239000002470 thermal conductor Substances 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 229910052790 beryllium Inorganic materials 0.000 abstract description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 17
- 230000008901 benefit Effects 0.000 description 12
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000009607 mammography Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 241001344919 Aulichthys japonicus Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/16—Vessels; Containers; Shields associated therewith
-
- 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
- H01J35/064—Details of the emitter, e.g. material or structure
-
- 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
- H01J35/066—Details of electron optical components, e.g. cathode cups
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
- H01J35/147—Spot size control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/06—Cathode assembly
- H01J2235/068—Multi-cathode assembly
-
- 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
- H01J2235/1262—Circulating fluids
- H01J2235/1287—Heat pipes
Landscapes
- X-Ray Techniques (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/921,830 US6075839A (en) | 1997-09-02 | 1997-09-02 | Air cooled end-window metal-ceramic X-ray tube for lower power XRF applications |
| US08/921,830 | 1997-09-02 | ||
| PCT/US1998/018147 WO1999012182A1 (en) | 1997-09-02 | 1998-09-01 | Air-cooled end-window metal-ceramic x-ray tube for lower power xrf applications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2268137A1 true CA2268137A1 (en) | 1999-03-11 |
Family
ID=25446039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002268137A Abandoned CA2268137A1 (en) | 1997-09-02 | 1998-09-01 | Air-cooled end-window metal-ceramic x-ray tube for lower power xrf applications |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6075839A (enExample) |
| EP (1) | EP0935811B1 (enExample) |
| JP (1) | JP4308332B2 (enExample) |
| CA (1) | CA2268137A1 (enExample) |
| DE (1) | DE69839550D1 (enExample) |
| WO (1) | WO1999012182A1 (enExample) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6252937B1 (en) * | 1999-09-14 | 2001-06-26 | General Electric Company | High thermal performance cathode via heat pipes |
| US6361208B1 (en) * | 1999-11-26 | 2002-03-26 | Varian Medical Systems | Mammography x-ray tube having an integral housing assembly |
| US6477227B1 (en) | 2000-11-20 | 2002-11-05 | Keymaster Technologies, Inc. | Methods for identification and verification |
| US6501825B2 (en) | 2001-01-19 | 2002-12-31 | Keymaster Technologies, Inc. | Methods for identification and verification |
| JP3762665B2 (ja) | 2001-07-03 | 2006-04-05 | 株式会社リガク | Ｘ線分析装置およびｘ線供給装置 |
| US6661876B2 (en) | 2001-07-30 | 2003-12-09 | Moxtek, Inc. | Mobile miniature X-ray source |
| US20040022355A1 (en) * | 2001-12-05 | 2004-02-05 | Bruce Kaiser | Methods for identification and verification of materials containing elemental constituents |
| US6909770B2 (en) * | 2001-12-05 | 2005-06-21 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Methods for identification and verification using vacuum XRF system |
| US7180981B2 (en) | 2002-04-08 | 2007-02-20 | Nanodynamics-88, Inc. | High quantum energy efficiency X-ray tube and targets |
| US20030194052A1 (en) * | 2002-04-12 | 2003-10-16 | Price L. Stephen | Methods for identification and verification |
| US6850592B2 (en) * | 2002-04-12 | 2005-02-01 | Keymaster Technologies, Inc. | Methods for identification and verification using digital equivalent data system |
| CN100394529C (zh) * | 2002-09-13 | 2008-06-11 | 莫克斯泰克公司 | 辐射窗及其制造方法 |
| DE10251635A1 (de) * | 2002-11-06 | 2004-05-27 | Feinfocus Röntgen-Systeme GmbH | Röntgenröhre, insbesondere Mikrofokus-Röntgenröhre |
| WO2004089056A2 (en) * | 2003-04-01 | 2004-10-21 | Keymaster Technologies, Inc. | Exempt source for an x-ray fluorescence device |
| FI20031753L (fi) * | 2003-12-01 | 2005-06-02 | Metorex Internat Oy | Parannettu mittausjärjestely röntgenfluoresenssianalyysiä varten |
| US7201514B2 (en) * | 2004-09-29 | 2007-04-10 | Varian Medical Systems Technologies, Inc. | Fluid connection assembly for x-ray device |
| US7428298B2 (en) * | 2005-03-31 | 2008-09-23 | Moxtek, Inc. | Magnetic head for X-ray source |
| JP4435124B2 (ja) | 2005-08-29 | 2010-03-17 | 株式会社東芝 | Ｘ線管 |
| US7382862B2 (en) * | 2005-09-30 | 2008-06-03 | Moxtek, Inc. | X-ray tube cathode with reduced unintended electrical field emission |
| US20070269018A1 (en) * | 2006-05-03 | 2007-11-22 | Geoffrey Harding | Systems and methods for generating a diffraction profile |
| US7737424B2 (en) * | 2007-06-01 | 2010-06-15 | Moxtek, Inc. | X-ray window with grid structure |
| US7529345B2 (en) * | 2007-07-18 | 2009-05-05 | Moxtek, Inc. | Cathode header optic for x-ray tube |
| US8000450B2 (en) | 2007-09-25 | 2011-08-16 | Varian Medical Systems, Inc. | Aperture shield incorporating refractory materials |
| US9305735B2 (en) | 2007-09-28 | 2016-04-05 | Brigham Young University | Reinforced polymer x-ray window |
| EP2195860A4 (en) * | 2007-09-28 | 2010-11-24 | Univ Brigham Young | X-RAY WINDOW WITH CARBON NANOTUBE FRAME |
| WO2009045915A2 (en) | 2007-09-28 | 2009-04-09 | Brigham Young University | Carbon nanotube assembly |
| US8498381B2 (en) | 2010-10-07 | 2013-07-30 | Moxtek, Inc. | Polymer layer on X-ray window |
| US8247971B1 (en) | 2009-03-19 | 2012-08-21 | Moxtek, Inc. | Resistively heated small planar filament |
| US20100239828A1 (en) * | 2009-03-19 | 2010-09-23 | Cornaby Sterling W | Resistively heated small planar filament |
| JP5322888B2 (ja) | 2009-10-30 | 2013-10-23 | 株式会社東芝 | Ｘ線管 |
| US7983394B2 (en) * | 2009-12-17 | 2011-07-19 | Moxtek, Inc. | Multiple wavelength X-ray source |
| US8995621B2 (en) | 2010-09-24 | 2015-03-31 | Moxtek, Inc. | Compact X-ray source |
| US8526574B2 (en) | 2010-09-24 | 2013-09-03 | Moxtek, Inc. | Capacitor AC power coupling across high DC voltage differential |
| US8804910B1 (en) | 2011-01-24 | 2014-08-12 | Moxtek, Inc. | Reduced power consumption X-ray source |
| US8750458B1 (en) | 2011-02-17 | 2014-06-10 | Moxtek, Inc. | Cold electron number amplifier |
| US8929515B2 (en) | 2011-02-23 | 2015-01-06 | Moxtek, Inc. | Multiple-size support for X-ray window |
| US8792619B2 (en) | 2011-03-30 | 2014-07-29 | Moxtek, Inc. | X-ray tube with semiconductor coating |
| US9076628B2 (en) | 2011-05-16 | 2015-07-07 | Brigham Young University | Variable radius taper x-ray window support structure |
| US8989354B2 (en) | 2011-05-16 | 2015-03-24 | Brigham Young University | Carbon composite support structure |
| US9174412B2 (en) | 2011-05-16 | 2015-11-03 | Brigham Young University | High strength carbon fiber composite wafers for microfabrication |
| US9530528B2 (en) | 2011-12-16 | 2016-12-27 | Varian Medical Systems, Inc. | X-ray tube aperture having expansion joints |
| US8817950B2 (en) | 2011-12-22 | 2014-08-26 | Moxtek, Inc. | X-ray tube to power supply connector |
| US8761344B2 (en) | 2011-12-29 | 2014-06-24 | Moxtek, Inc. | Small x-ray tube with electron beam control optics |
| US9514911B2 (en) | 2012-02-01 | 2016-12-06 | Varian Medical Systems, Inc. | X-ray tube aperture body with shielded vacuum wall |
| DE102012216977B4 (de) * | 2012-09-21 | 2016-01-21 | Siemens Aktiengesellschaft | Vorrichtung zur Erzeugung von Röntgenstrahlung |
| US9072154B2 (en) | 2012-12-21 | 2015-06-30 | Moxtek, Inc. | Grid voltage generation for x-ray tube |
| US9184020B2 (en) | 2013-03-04 | 2015-11-10 | Moxtek, Inc. | Tiltable or deflectable anode x-ray tube |
| US9177755B2 (en) | 2013-03-04 | 2015-11-03 | Moxtek, Inc. | Multi-target X-ray tube with stationary electron beam position |
| US9173623B2 (en) | 2013-04-19 | 2015-11-03 | Samuel Soonho Lee | X-ray tube and receiver inside mouth |
| EP3015503A1 (en) | 2014-10-27 | 2016-05-04 | Borealis AG | Heterophasic polypropylene with improved stiffness/impact balance |
| US9941092B2 (en) | 2014-12-03 | 2018-04-10 | Varex Imaging Corporation | X-ray assemblies and coatings |
| US10490385B2 (en) | 2016-07-26 | 2019-11-26 | Neil Dee Olsen | X-ray systems and methods including X-ray anodes |
| US10438768B2 (en) | 2016-07-26 | 2019-10-08 | Neil Dee Olsen | X-ray systems and methods including X-ray anodes with gradient profiles |
| US10032598B2 (en) * | 2016-07-26 | 2018-07-24 | Neil Dee Olsen | X-ray systems and methods including X-ray anodes |
| US10636610B2 (en) | 2017-04-28 | 2020-04-28 | Thermo Scientific Portable Analytical Instruments Inc. | Target geometry for small spot X-ray tube |
| IT201800003601A1 (it) | 2018-03-15 | 2019-09-15 | Nuovo Pignone Tecnologie Srl | Lega metallica ad elevate prestazioni per la produzione additiva di componenti di macchine/high-performance metal alloy for additive manufacturing of machine components |
| EP4461102A4 (en) * | 2022-03-23 | 2025-05-14 | Seethru AI Inc. | X-ray pencil beam forming system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5275996A (en) * | 1975-12-20 | 1977-06-25 | Toshiba Corp | X-ray tube for analysis |
| DE2749856A1 (de) * | 1977-11-08 | 1979-05-10 | Leybold Heraeus Gmbh & Co Kg | Roentgenroehre |
| NL9000203A (nl) * | 1990-01-29 | 1991-08-16 | Philips Nv | Eindvenster roentgenbuis. |
| EP0553913B1 (en) * | 1992-01-27 | 1998-01-07 | Koninklijke Philips Electronics N.V. | X-ray tube with a reduced working distance |
| DE19516831A1 (de) * | 1995-05-08 | 1996-11-14 | Siemens Ag | Röntgenröhre |
-
1997
- 1997-09-02 US US08/921,830 patent/US6075839A/en not_active Expired - Lifetime
-
1998
- 1998-09-01 JP JP51696099A patent/JP4308332B2/ja not_active Expired - Lifetime
- 1998-09-01 EP EP98943509A patent/EP0935811B1/en not_active Expired - Lifetime
- 1998-09-01 WO PCT/US1998/018147 patent/WO1999012182A1/en not_active Ceased
- 1998-09-01 CA CA002268137A patent/CA2268137A1/en not_active Abandoned
- 1998-09-01 DE DE69839550T patent/DE69839550D1/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69839550D1 (de) | 2008-07-10 |
| US6075839A (en) | 2000-06-13 |
| JP2001504988A (ja) | 2001-04-10 |
| WO1999012182A1 (en) | 1999-03-11 |
| EP0935811A1 (en) | 1999-08-18 |
| EP0935811B1 (en) | 2008-05-28 |
| JP4308332B2 (ja) | 2009-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |