WO2000042631A1 - High energy x-ray tube - Google Patents
High energy x-ray tube Download PDFInfo
- Publication number
- WO2000042631A1 WO2000042631A1 PCT/ZA2000/000010 ZA0000010W WO0042631A1 WO 2000042631 A1 WO2000042631 A1 WO 2000042631A1 ZA 0000010 W ZA0000010 W ZA 0000010W WO 0042631 A1 WO0042631 A1 WO 0042631A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ray tube
- cathode
- tube according
- anode
- electron
- Prior art date
Links
Classifications
-
- 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
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
- H01J35/147—Spot size control
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00901416A EP1145271A1 (en) | 1999-01-18 | 2000-01-18 | High energy x-ray tube |
AU22265/00A AU763548B2 (en) | 1999-01-18 | 2000-01-18 | High energy X-ray tube |
CA002360409A CA2360409A1 (en) | 1999-01-18 | 2000-01-18 | High energy x-ray tube |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA99329 | 1999-01-18 | ||
ZA99/0329 | 1999-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000042631A1 true WO2000042631A1 (en) | 2000-07-20 |
Family
ID=25587522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ZA2000/000010 WO2000042631A1 (en) | 1999-01-18 | 2000-01-18 | High energy x-ray tube |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1145271A1 (en) |
AU (1) | AU763548B2 (en) |
CA (1) | CA2360409A1 (en) |
WO (1) | WO2000042631A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1303637C (en) * | 2003-04-29 | 2007-03-07 | 中国科学院长春光学精密机械与物理研究所 | A novel field emission mini X-ray tube for medical use |
RU2487433C1 (en) * | 2011-12-29 | 2013-07-10 | Открытое акционерное общество "Центральный научно-исследовательский институт "Электрон" | Cathode pack of vacuum tube for high-voltage operation |
CN111108578A (en) * | 2017-10-26 | 2020-05-05 | 莫克斯泰克公司 | Three-axis X-ray tube |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3714486A (en) * | 1970-10-07 | 1973-01-30 | Crary J Mc | Field emission x-ray tube |
US4359660A (en) * | 1980-12-15 | 1982-11-16 | Physics International Company | Series diode X-ray source |
JPS6047355A (en) * | 1983-08-23 | 1985-03-14 | Hamamatsu Photonics Kk | X-ray generation tube |
US5090043A (en) * | 1990-11-21 | 1992-02-18 | Parker Micro-Tubes, Inc. | X-ray micro-tube and method of use in radiation oncology |
EP0630038A1 (en) * | 1993-06-18 | 1994-12-21 | Hamamatsu Photonics K.K. | X-ray generation tube |
US5576549A (en) * | 1994-07-20 | 1996-11-19 | Siemens Aktiengesellschaft | Electron generating assembly for an x-ray tube having a cathode and having an electrode system for accelerating the electrons emanating from the cathode |
US5768337A (en) * | 1996-07-30 | 1998-06-16 | Varian Associates, Inc. | Photoelectric X-ray tube with gain |
-
2000
- 2000-01-18 WO PCT/ZA2000/000010 patent/WO2000042631A1/en active Search and Examination
- 2000-01-18 CA CA002360409A patent/CA2360409A1/en not_active Abandoned
- 2000-01-18 EP EP00901416A patent/EP1145271A1/en not_active Withdrawn
- 2000-01-18 AU AU22265/00A patent/AU763548B2/en not_active Ceased
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3714486A (en) * | 1970-10-07 | 1973-01-30 | Crary J Mc | Field emission x-ray tube |
US4359660A (en) * | 1980-12-15 | 1982-11-16 | Physics International Company | Series diode X-ray source |
JPS6047355A (en) * | 1983-08-23 | 1985-03-14 | Hamamatsu Photonics Kk | X-ray generation tube |
US5090043A (en) * | 1990-11-21 | 1992-02-18 | Parker Micro-Tubes, Inc. | X-ray micro-tube and method of use in radiation oncology |
EP0630038A1 (en) * | 1993-06-18 | 1994-12-21 | Hamamatsu Photonics K.K. | X-ray generation tube |
US5576549A (en) * | 1994-07-20 | 1996-11-19 | Siemens Aktiengesellschaft | Electron generating assembly for an x-ray tube having a cathode and having an electrode system for accelerating the electrons emanating from the cathode |
US5768337A (en) * | 1996-07-30 | 1998-06-16 | Varian Associates, Inc. | Photoelectric X-ray tube with gain |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 009, no. 173 (E - 329) 18 July 1985 (1985-07-18) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1303637C (en) * | 2003-04-29 | 2007-03-07 | 中国科学院长春光学精密机械与物理研究所 | A novel field emission mini X-ray tube for medical use |
RU2487433C1 (en) * | 2011-12-29 | 2013-07-10 | Открытое акционерное общество "Центральный научно-исследовательский институт "Электрон" | Cathode pack of vacuum tube for high-voltage operation |
CN111108578A (en) * | 2017-10-26 | 2020-05-05 | 莫克斯泰克公司 | Three-axis X-ray tube |
Also Published As
Publication number | Publication date |
---|---|
AU2226500A (en) | 2000-08-01 |
AU763548B2 (en) | 2003-07-24 |
CA2360409A1 (en) | 2000-07-20 |
EP1145271A1 (en) | 2001-10-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3882339A (en) | Gridded X-ray tube gun | |
CA2204756C (en) | Hybrid multiplier tube with ion deflection | |
US9734980B2 (en) | Graphene serving as cathode of X-ray tube and X-ray tube thereof | |
US3374386A (en) | Field emission cathode having tungsten miller indices 100 plane coated with zirconium, hafnium or magnesium on oxygen binder | |
US3691417A (en) | X-ray generating assembly and system | |
US3751701A (en) | Convergent flow hollow beam x-ray gun with high average power | |
US2853641A (en) | Electron beam and wave energy interaction device | |
US2454652A (en) | Cathode-ray storage tube | |
US3783325A (en) | Field effect electron gun having at least a million emitting fibers per square centimeter | |
US3780336A (en) | High power beam tube having depressed potential collector containing field-shaping probe | |
JP3156763B2 (en) | Electrode voltage application method and apparatus for cold cathode mounted electron tube | |
US2916664A (en) | Electron discharge device | |
AU763548B2 (en) | High energy X-ray tube | |
US3344298A (en) | Flash x-ray tube with gas focusing of beam | |
JPS6318297B2 (en) | ||
EP0989580A2 (en) | Cold cathode electron gun | |
US4547694A (en) | Low-loss cathode for a television camera tube | |
JPS62172636A (en) | Cathode ray tube with ion trap | |
JP4414114B2 (en) | Fluorescent display tube, driving method thereof and driving circuit | |
JP3449623B2 (en) | Solar energy converter | |
US3278780A (en) | Storage display tube with a shield separator between the writing gun and the flood gun | |
US3892989A (en) | Convergent flow hollow beam X-ray gun construction | |
RU2051439C1 (en) | Magnetron | |
US3801854A (en) | Modulator circuit for high power linear beam tube | |
WO1994007258A3 (en) | Electron energy spectrometer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2000901416 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2360409 Country of ref document: CA Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 22265/00 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09889425 Country of ref document: US |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWG | Wipo information: grant in national office |
Ref document number: 22265/00 Country of ref document: AU |
|
DPE2 | Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101) |