EP0168776A3 - Röntgenröhre - Google Patents

Röntgenröhre Download PDF

Info

Publication number
EP0168776A3
EP0168776A3 EP85108637A EP85108637A EP0168776A3 EP 0168776 A3 EP0168776 A3 EP 0168776A3 EP 85108637 A EP85108637 A EP 85108637A EP 85108637 A EP85108637 A EP 85108637A EP 0168776 A3 EP0168776 A3 EP 0168776A3
Authority
EP
European Patent Office
Prior art keywords
cathode
grid
ray tube
hole anode
potential
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.)
Withdrawn
Application number
EP85108637A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0168776A2 (de
Inventor
Helge Carlsen
Hans-Erik Hjelmrodt
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.)
Scanray AS
Original Assignee
Scanray AS
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 Scanray AS filed Critical Scanray AS
Publication of EP0168776A2 publication Critical patent/EP0168776A2/de
Publication of EP0168776A3 publication Critical patent/EP0168776A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/14Arrangements for concentrating, focusing, or directing the cathode ray

Landscapes

  • X-Ray Techniques (AREA)
EP85108637A 1984-07-19 1985-07-11 Röntgenröhre Withdrawn EP0168776A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3426623A DE3426623A1 (de) 1984-07-19 1984-07-19 Roentgenroehre
DE3426623 1984-07-19

Publications (2)

Publication Number Publication Date
EP0168776A2 EP0168776A2 (de) 1986-01-22
EP0168776A3 true EP0168776A3 (de) 1988-03-30

Family

ID=6241047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85108637A Withdrawn EP0168776A3 (de) 1984-07-19 1985-07-11 Röntgenröhre

Country Status (3)

Country Link
EP (1) EP0168776A3 (enrdf_load_stackoverflow)
DE (1) DE3426623A1 (enrdf_load_stackoverflow)
DK (1) DK326585A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4230047C1 (de) * 1992-09-08 1993-10-14 Siemens Ag Röntgenröhre
DE4430622C2 (de) * 1994-08-29 1998-07-02 Siemens Ag Kathodensystem für eine Röntgenröhre
DE19513291C2 (de) * 1995-04-07 1998-11-12 Siemens Ag Röntgenröhre
US6236713B1 (en) 1998-10-27 2001-05-22 Litton Systems, Inc. X-ray tube providing variable imaging spot size

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE328834C (de) * 1920-11-09 Julius Edgar Lilienfeld Dr Hochvakuumroentgenroehre mit einer in den Gang der Kathodenstrahlen eingeschalteten Blende
US2862107A (en) * 1951-04-06 1958-11-25 Gen Electric Means for and method of controlling the generation of x-rays
US3783323A (en) * 1972-08-30 1974-01-01 Picker Corp X-ray tube having focusing cup with non-emitting coating
US3852605A (en) * 1972-12-27 1974-12-03 Jeol Ltd Control circuitry for preventing damage to the target of a scanning x-ray generator
DE3222512A1 (de) * 1982-06-16 1984-03-29 Feinfocus Röntgensysteme GmbH, 3050 Wunstorf Verfahren und vorrichtung zum betreiben einer roentgenroehre

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL271119A (enrdf_load_stackoverflow) * 1961-07-10
US3882339A (en) * 1974-06-17 1975-05-06 Gen Electric Gridded X-ray tube gun

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE328834C (de) * 1920-11-09 Julius Edgar Lilienfeld Dr Hochvakuumroentgenroehre mit einer in den Gang der Kathodenstrahlen eingeschalteten Blende
US2862107A (en) * 1951-04-06 1958-11-25 Gen Electric Means for and method of controlling the generation of x-rays
US3783323A (en) * 1972-08-30 1974-01-01 Picker Corp X-ray tube having focusing cup with non-emitting coating
US3852605A (en) * 1972-12-27 1974-12-03 Jeol Ltd Control circuitry for preventing damage to the target of a scanning x-ray generator
DE3222512A1 (de) * 1982-06-16 1984-03-29 Feinfocus Röntgensysteme GmbH, 3050 Wunstorf Verfahren und vorrichtung zum betreiben einer roentgenroehre

Also Published As

Publication number Publication date
DK326585D0 (da) 1985-07-18
DE3426623C2 (enrdf_load_stackoverflow) 1987-10-01
DK326585A (da) 1986-01-20
DE3426623A1 (de) 1986-01-30
EP0168776A2 (de) 1986-01-22

Similar Documents

Publication Publication Date Title
Schwarzschild et al. On the Colors of Subdwarfs.
DE757114C (de) Kippschwingungserzeuger vom Multivibratortyp
DE2949817T5 (de) Color television receiver
DE941145C (de) Kippschwingungserzeuger
EP0168776A3 (de) Röntgenröhre
DE1952168A1 (de) Elektronen-Beugungs-Spektrometer
EP0259514A1 (de) Digitalschaltung zur gleichzeitigen Erzeugung von digitalen Sinus- und Cosinusfunktionswerten
DE2051589C3 (de) Elektrischer Synthesator
Pravdo et al. X-ray observations of the Vela pulsar: Statistics and spectrum
DE704998C (de) Gleichrichterschaltung
DE2824103A1 (de) Abtastkonverter
DE632513C (de) Kristallstabilisierte Multivibratorschaltung mit einer Doppelgitterroehre
DE858432C (de) Elektrischer Generator, insbesondere Mehrfachgenerator
DE744143C (de) UEberlagerungsempfaenger mit einer Mehrgitter-Mischroehre
GB997589A (en) Improvements in electron-multiplier tubes
DE684522C (de) Fotozelle mit zwei oder mehreren Anoden und einer lichtelektrisch empfindlichen Kathode zur Steuerung der beiden Halbwellen einer Traegerfrequenz
DE807629C (de) Mischschaltung mit einer Mehrgitterroehre
DE2328834A1 (de) Elektrokardiograph
Lehmann et al. Der Gültigkeitsbereich der Molièreschen Näherung/The Range of Validity of the Molière Approximation
DE744616C (de) Schaltungsanordnung mit zwei Sekundaeremissionsroehren
DE961470C (de) Kathodenstrahlroehre mit elektrostatischem Ablenksystem
DE744446C (de) Anordnung zur Verringerung des Klirrfaktors von in Gegentakt geschalteten Verstaerkern
SU768012A1 (ru) Устройство дл управлени лучом электронно-лучевой трубки
DE2950818A1 (de) Roentgendiagnostikgenerator mit einer die roentgenroehre umschliessenden strahlenabschirmung
Creedon et al. ADVANCED X-RAY TUBE DEVELOPMENT.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): FR GB

17P Request for examination filed

Effective date: 19860704

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): FR GB

17Q First examination report despatched

Effective date: 19890223

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19890706

RIN1 Information on inventor provided before grant (corrected)

Inventor name: CARLSEN, HELGE

Inventor name: HJELMRODT, HANS-ERIK