DE2821597A1 - Verwendung eines systems zur erzeugung eines elektronenflachstrahls mit rein elektrostatischer fokussierung in einer roentgenroehre - Google Patents

Verwendung eines systems zur erzeugung eines elektronenflachstrahls mit rein elektrostatischer fokussierung in einer roentgenroehre

Info

Publication number
DE2821597A1
DE2821597A1 DE19782821597 DE2821597A DE2821597A1 DE 2821597 A1 DE2821597 A1 DE 2821597A1 DE 19782821597 DE19782821597 DE 19782821597 DE 2821597 A DE2821597 A DE 2821597A DE 2821597 A1 DE2821597 A1 DE 2821597A1
Authority
DE
Germany
Prior art keywords
cathode
anode
electron beam
electrode
ray tube
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.)
Ceased
Application number
DE19782821597
Other languages
German (de)
English (en)
Inventor
Hansjoerg Dipl Phys Bittorf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Corp
Original Assignee
Siemens Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Corp filed Critical Siemens Corp
Priority to DE19782821597 priority Critical patent/DE2821597A1/de
Priority to CH264579A priority patent/CH639798A5/de
Priority to GB7916397A priority patent/GB2021310B/en
Priority to FR7912429A priority patent/FR2426331A1/fr
Priority to JP6024279A priority patent/JPS54150997A/ja
Publication of DE2821597A1 publication Critical patent/DE2821597A1/de
Ceased legal-status Critical Current

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
    • 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
    • H01J35/00—X-ray tubes
    • H01J35/24—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
    • H01J35/26—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by rotation of the anode or anticathode

Landscapes

  • X-Ray Techniques (AREA)
DE19782821597 1978-05-17 1978-05-17 Verwendung eines systems zur erzeugung eines elektronenflachstrahls mit rein elektrostatischer fokussierung in einer roentgenroehre Ceased DE2821597A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19782821597 DE2821597A1 (de) 1978-05-17 1978-05-17 Verwendung eines systems zur erzeugung eines elektronenflachstrahls mit rein elektrostatischer fokussierung in einer roentgenroehre
CH264579A CH639798A5 (de) 1978-05-17 1979-03-21 Roentgenroehre mit einer elektronenkanone.
GB7916397A GB2021310B (en) 1978-05-17 1979-05-11 Ray tube
FR7912429A FR2426331A1 (fr) 1978-05-17 1979-05-16 Systeme pour produire un faisceau electronique plat a focalisation purement electrostatique dans un tube a rayons x
JP6024279A JPS54150997A (en) 1978-05-17 1979-05-16 Electron beam generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782821597 DE2821597A1 (de) 1978-05-17 1978-05-17 Verwendung eines systems zur erzeugung eines elektronenflachstrahls mit rein elektrostatischer fokussierung in einer roentgenroehre

Publications (1)

Publication Number Publication Date
DE2821597A1 true DE2821597A1 (de) 1979-11-22

Family

ID=6039581

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782821597 Ceased DE2821597A1 (de) 1978-05-17 1978-05-17 Verwendung eines systems zur erzeugung eines elektronenflachstrahls mit rein elektrostatischer fokussierung in einer roentgenroehre

Country Status (5)

Country Link
JP (1) JPS54150997A (enrdf_load_stackoverflow)
CH (1) CH639798A5 (enrdf_load_stackoverflow)
DE (1) DE2821597A1 (enrdf_load_stackoverflow)
FR (1) FR2426331A1 (enrdf_load_stackoverflow)
GB (1) GB2021310B (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3342127A1 (de) * 1982-11-23 1984-06-07 Elscint Inc., 02215 Boston, Mass. Roentgenroehre mit einstellbarem brennfleck
DE19700992A1 (de) * 1997-01-14 1998-07-23 Siemens Ag Röntgenröhre
DE19731982C1 (de) * 1997-07-24 1998-12-10 Siemens Ag Röntgenröhre mit Mitteln zur magnetischen Ablenkung
US8913719B2 (en) 2012-03-27 2014-12-16 Rigaku Corporation Electron gun, X-ray generator and X-ray measurement apparatus
DE102021204538A1 (de) 2021-05-05 2022-05-12 Siemens Healthcare Gmbh Röntgenstrahlenquelle
US11955307B2 (en) 2021-05-05 2024-04-09 Siemens Healthineers Ag Electron emitter apparatus

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493097A (en) * 1982-08-30 1985-01-08 The Perkin-Elmer Corporation Electron gun assembly
WO2000003412A1 (fr) * 1998-07-09 2000-01-20 Hamamatsu Photonics K.K. Tube a rayons x
US7257194B2 (en) * 2004-02-09 2007-08-14 Varian Medical Systems Technologies, Inc. Cathode head with focal spot control
US7653178B2 (en) 2004-08-20 2010-01-26 Satoshi Ohsawa X-ray generating method, and X-ray generating apparatus
JP4273059B2 (ja) 2004-08-20 2009-06-03 志村 尚美 Ｘ線発生方法及びｘ線発生装置
JP2009538500A (ja) * 2006-05-22 2009-11-05 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 電子ビームが回転性陽極運動と同時に処理されるｘ線管
JP2008140654A (ja) * 2006-12-01 2008-06-19 Shimadzu Corp Ｘ線発生装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454806A (en) * 1965-07-15 1969-07-08 Siemens Ag System for the production of a flat electron beam for a traveling wave tube with purely electrostatic focusing
DE2310061A1 (de) * 1973-02-28 1974-08-29 Siemens Ag Roentgenroehre
GB1505741A (en) * 1975-03-11 1978-03-30 Standard Telephones Cables Ltd X-ray lithography

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1659133A (en) * 1924-12-18 1928-02-14 Gen Electric X-ray device
FR2188839A5 (enrdf_load_stackoverflow) * 1972-06-08 1974-01-18 Aquitaine Petrole
FR2379158A1 (fr) * 1977-01-28 1978-08-25 Radiologie Cie Gle Tube radiogene pour fournir un faisceau de rayons x plat en eventail de grande ouverture et appareil de radiologie comportant un tel tube

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454806A (en) * 1965-07-15 1969-07-08 Siemens Ag System for the production of a flat electron beam for a traveling wave tube with purely electrostatic focusing
DE2310061A1 (de) * 1973-02-28 1974-08-29 Siemens Ag Roentgenroehre
GB1505741A (en) * 1975-03-11 1978-03-30 Standard Telephones Cables Ltd X-ray lithography

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3342127A1 (de) * 1982-11-23 1984-06-07 Elscint Inc., 02215 Boston, Mass. Roentgenroehre mit einstellbarem brennfleck
DE19700992A1 (de) * 1997-01-14 1998-07-23 Siemens Ag Röntgenröhre
DE19700992C2 (de) * 1997-01-14 1999-10-07 Siemens Ag Röntgenröhre
DE19731982C1 (de) * 1997-07-24 1998-12-10 Siemens Ag Röntgenröhre mit Mitteln zur magnetischen Ablenkung
US8913719B2 (en) 2012-03-27 2014-12-16 Rigaku Corporation Electron gun, X-ray generator and X-ray measurement apparatus
DE102021204538A1 (de) 2021-05-05 2022-05-12 Siemens Healthcare Gmbh Röntgenstrahlenquelle
US11955307B2 (en) 2021-05-05 2024-04-09 Siemens Healthineers Ag Electron emitter apparatus

Also Published As

Publication number Publication date
GB2021310B (en) 1982-09-22
CH639798A5 (de) 1983-11-30
FR2426331A1 (fr) 1979-12-14
JPS6138575B2 (enrdf_load_stackoverflow) 1986-08-29
FR2426331B1 (enrdf_load_stackoverflow) 1983-06-03
GB2021310A (en) 1979-11-28
JPS54150997A (en) 1979-11-27

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8120 Willingness to grant licences paragraph 23
8131 Rejection