FR2538948B3 - Tube a rayons x a balayage - Google Patents

Tube a rayons x a balayage

Info

Publication number
FR2538948B3
FR2538948B3 FR8222072A FR8222072A FR2538948B3 FR 2538948 B3 FR2538948 B3 FR 2538948B3 FR 8222072 A FR8222072 A FR 8222072A FR 8222072 A FR8222072 A FR 8222072A FR 2538948 B3 FR2538948 B3 FR 2538948B3
Authority
FR
France
Prior art keywords
scanning
ray tube
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.)
Expired
Application number
FR8222072A
Other languages
English (en)
Other versions
FR2538948A1 (fr
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 CSF SA filed Critical Thomson CSF SA
Priority to FR8222072A priority Critical patent/FR2538948B3/fr
Priority to EP83402529A priority patent/EP0115731A3/fr
Publication of FR2538948A1 publication Critical patent/FR2538948A1/fr
Application granted granted Critical
Publication of FR2538948B3 publication Critical patent/FR2538948B3/fr
Expired 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
FR8222072A 1982-12-30 1982-12-30 Tube a rayons x a balayage Expired FR2538948B3 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8222072A FR2538948B3 (fr) 1982-12-30 1982-12-30 Tube a rayons x a balayage
EP83402529A EP0115731A3 (fr) 1982-12-30 1983-12-23 Tube à rayons X à balayage

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2538948A1 FR2538948A1 (fr) 1984-07-06
FR2538948B3 true FR2538948B3 (fr) 1985-10-18

Family

ID=9280681

Family Applications (1)

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

Country Status (2)

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

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

Family Cites Families (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
DE2249365C3 (de) * 1972-10-09 1983-11-17 Siemens AG, 1000 Berlin und 8000 München Röntgengerät mit einer der Glühkathode der Röntgenröhre vorgelagerten Rechteckblende, an der eine einstellbare Spannung liegt
US3962583A (en) * 1974-12-30 1976-06-08 The Machlett Laboratories, Incorporated X-ray tube focusing means
DE3001141A1 (de) * 1980-01-14 1981-07-16 Siemens AG, 1000 Berlin und 8000 München Kathodenanordnung fuer eine roentgenroehre
IL70210A (en) * 1982-11-23 1987-10-20 Elscint Ltd X-ray tube with adjustable focal spot

Also Published As

Publication number Publication date
EP0115731A3 (fr) 1985-11-21
EP0115731A2 (fr) 1984-08-15
FR2538948A1 (fr) 1984-07-06

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Legal Events

Date Code Title Description
ST Notification of lapse