EP0115731A3 - Abtaströntgenröhre - Google Patents

Abtaströntgenröhre Download PDF

Info

Publication number
EP0115731A3
EP0115731A3 EP83402529A EP83402529A EP0115731A3 EP 0115731 A3 EP0115731 A3 EP 0115731A3 EP 83402529 A EP83402529 A EP 83402529A EP 83402529 A EP83402529 A EP 83402529A EP 0115731 A3 EP0115731 A3 EP 0115731A3
Authority
EP
European Patent Office
Prior art keywords
filament
ray tube
scanning
electron beam
concentration
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Withdrawn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
EP83402529A
Other languages
English (en)
French (fr)
Other versions
EP0115731A2 (de
Inventor
André Plessis
Emile Gabbay
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.)
General Electric CGR SA
Original Assignee
Thomson CGR
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 Thomson CGR filed Critical Thomson CGR
Publication of EP0115731A2 publication Critical patent/EP0115731A2/de
Publication of EP0115731A3 publication Critical patent/EP0115731A3/de
Withdrawn legal-status Critical Current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
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • 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

Landscapes

  • X-Ray Techniques (AREA)
EP83402529A 1982-12-30 1983-12-23 Abtaströntgenröhre Withdrawn EP0115731A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8222072A FR2538948B3 (fr) 1982-12-30 1982-12-30 Tube a rayons x a balayage
FR8222072 1982-12-30

Publications (2)

Publication Number Publication Date
EP0115731A2 EP0115731A2 (de) 1984-08-15
EP0115731A3 true EP0115731A3 (de) 1985-11-21

Family

ID=9280681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83402529A Withdrawn EP0115731A3 (de) 1982-12-30 1983-12-23 Abtaströntgenröhre

Country Status (2)

Country Link
EP (1) EP0115731A3 (de)
FR (1) FR2538948B3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689809A (en) * 1982-11-23 1987-08-25 Elscint, Inc. X-ray tube having an adjustable focal spot
FR2658002B1 (fr) * 1990-02-02 1992-05-22 Gen Electric Cgr Cathode a deflexion en diedre pour tube a rayons x.
FR2667723B1 (fr) * 1990-10-09 1992-11-27 Gen Electric Cgr Dispositif d'obtention et de commutation de hautes tensions de polarisation d'electrodes de tube a rayons x.
FR2675629B1 (fr) * 1991-04-17 1997-05-16 Gen Electric Cgr Cathode pour tube a rayons x et tube ainsi obtenu.
DE19510048C2 (de) * 1995-03-20 1998-05-14 Siemens Ag Röntgenröhre

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646379A (en) * 1970-05-18 1972-02-29 Machlett Lab Inc X-ray tube having controllable focal spot size
DE2249365A1 (de) * 1972-10-09 1974-04-25 Siemens Ag Roentgenroehre
US3875028A (en) * 1972-08-30 1975-04-01 Picker Corp Method of manufacture of x-ray tube having focusing cup with non emitting coating
US3962583A (en) * 1974-12-30 1976-06-08 The Machlett Laboratories, Incorporated X-ray tube focusing means
EP0032385A1 (de) * 1980-01-14 1981-07-22 Siemens Aktiengesellschaft Kathodenanordnung für eine Röntgenröhre
FR2536583A1 (fr) * 1982-11-23 1984-05-25 Elscint Inc Tube a rayons x comportant un foyer reglable

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646379A (en) * 1970-05-18 1972-02-29 Machlett Lab Inc X-ray tube having controllable focal spot size
US3875028A (en) * 1972-08-30 1975-04-01 Picker Corp Method of manufacture of x-ray tube having focusing cup with non emitting coating
DE2249365A1 (de) * 1972-10-09 1974-04-25 Siemens Ag Roentgenroehre
US3962583A (en) * 1974-12-30 1976-06-08 The Machlett Laboratories, Incorporated X-ray tube focusing means
EP0032385A1 (de) * 1980-01-14 1981-07-22 Siemens Aktiengesellschaft Kathodenanordnung für eine Röntgenröhre
FR2536583A1 (fr) * 1982-11-23 1984-05-25 Elscint Inc Tube a rayons x comportant un foyer reglable

Also Published As

Publication number Publication date
FR2538948B3 (fr) 1985-10-18
FR2538948A1 (fr) 1984-07-06
EP0115731A2 (de) 1984-08-15

Similar Documents

Publication Publication Date Title
EP1220280A3 (de) Hochauflösende Rasterröntgenphotoelektronenspektroskopie zur Bilderzeugung
EP1087419A3 (de) Anordnung von Röntgenröhren
EP0059238A1 (de) Röntgenröhre
EP0661727A3 (de) Rasterelektronenmikroskop
EP1170778A3 (de) Hochauflösende Rasterröntgenphotoelektronenspektroskopie zur Bilderzeugung
ES8703679A1 (es) Un dispositivo semiconductor
GB704586A (en) Improvements in or relating to devices for sectional radioscopy
US4373144A (en) Cathode arrangement for an X-ray tube
EP0767482A3 (de) Partikel-optisches Gerät mit einem Sekundärelektrodendetektor
SU568406A3 (ru) Электроннолучева трубка
EP0473227A2 (de) Magnet zur Verwendung in einer Laufzeitröhre einer Röntgenröhre
GB879569A (en) Improvements in or relating to electron discharge devices and to circuit arrangements embodying such devices
TW430847B (en) Color cathode tube
US3136916A (en) Image orthicon tube having specially coated decelerating field electrode
JPS5845140B2 (ja) イオンビ−ム源
EP0198532B1 (de) Bildaufnahmevorrichtung
IT8349351A1 (it) Tubo per raggi X a punto focale regolabile.
CN1108428A (zh) 彩色阴极射线管的电子枪
DE3878942D1 (de) Linse mit maschengitterelektrode zur vergroesserung des ablenkwinkels des elektronenstrahles fuer eine kathodenstrahlroehre.
JPH0448623Y2 (de)
EP0898294A3 (de) Kathodenstrahlröhre und Ablenkungsaberration-Kompensationsverfahren
KR960033178A (ko) 대전류 이온 가속용 조립식 가속관과 그 조립방법
EP0810625A3 (de) Elektronenkanonenvorrichtung für Kathodenstrahlröhre
KR950020923A (ko) 컬러 브라운관용 전자총
MY108486A (en) Method of coating an inner surface of a cathode ray tube with lining graphite.

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

Designated state(s): CH DE FR GB LI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): CH DE FR GB LI

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: 19860722

RIN1 Information on inventor provided before grant (corrected)

Inventor name: GABBAY, EMILE

Inventor name: PLESSIS, ANDRE