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FR2634057B1 - Procede de fabrication d'un tube perfectionne intensificateur d'images radiologiques, tube intensificateur ainsi obtenu - Google Patents

Procede de fabrication d'un tube perfectionne intensificateur d'images radiologiques, tube intensificateur ainsi obtenu

Info

Publication number
FR2634057B1
FR2634057B1 FR8809310A FR8809310A FR2634057B1 FR 2634057 B1 FR2634057 B1 FR 2634057B1 FR 8809310 A FR8809310 A FR 8809310A FR 8809310 A FR8809310 A FR 8809310A FR 2634057 B1 FR2634057 B1 FR 2634057B1
Authority
FR
France
Prior art keywords
intensifying
tube
manufacture
radiological images
improved
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 - Lifetime
Application number
FR8809310A
Other languages
English (en)
Other versions
FR2634057A1 (fr
Inventor
Gerard Vieux
Francois Diaz
Paul De Groot
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 FR8809310A priority Critical patent/FR2634057B1/fr
Priority to EP89401743A priority patent/EP0350359B1/fr
Priority to DE89401743T priority patent/DE68908637T2/de
Priority to US07/375,997 priority patent/US4943254A/en
Priority to JP1176960A priority patent/JPH0268832A/ja
Publication of FR2634057A1 publication Critical patent/FR2634057A1/fr
Application granted granted Critical
Publication of FR2634057B1 publication Critical patent/FR2634057B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • H01J31/501—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output with an electrostatic electron optic system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/34—Photoemissive electrodes
    • H01J2201/342—Cathodes
    • H01J2201/3421—Composition of the emitting surface
    • H01J2201/3426—Alkaline metal compounds, e.g. Na-K-Sb

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Electroluminescent Light Sources (AREA)
FR8809310A 1988-07-08 1988-07-08 Procede de fabrication d'un tube perfectionne intensificateur d'images radiologiques, tube intensificateur ainsi obtenu Expired - Lifetime FR2634057B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8809310A FR2634057B1 (fr) 1988-07-08 1988-07-08 Procede de fabrication d'un tube perfectionne intensificateur d'images radiologiques, tube intensificateur ainsi obtenu
EP89401743A EP0350359B1 (fr) 1988-07-08 1989-06-20 Procédé de fabrication d'un tube perfectionné intensificateur d'images radiologiques, tube intensificateur ainsi obtenu
DE89401743T DE68908637T2 (de) 1988-07-08 1989-06-20 Verfahren zur Herstellung einer Röntgenbildverstärkerröhre und nach diesem Verfahren hergestellte Bildverstärkerröhre.
US07/375,997 US4943254A (en) 1988-07-08 1989-07-06 Method for the fabrication of an improved X-ray image intensifier tube, and intensifier tube, and intensifier tube obtained thereby
JP1176960A JPH0268832A (ja) 1988-07-08 1989-07-07 Ｘ線イメージ増倍管及びその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8809310A FR2634057B1 (fr) 1988-07-08 1988-07-08 Procede de fabrication d'un tube perfectionne intensificateur d'images radiologiques, tube intensificateur ainsi obtenu

Publications (2)

Publication Number Publication Date
FR2634057A1 FR2634057A1 (fr) 1990-01-12
FR2634057B1 true FR2634057B1 (fr) 1991-04-19

Family

ID=9368261

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8809310A Expired - Lifetime FR2634057B1 (fr) 1988-07-08 1988-07-08 Procede de fabrication d'un tube perfectionne intensificateur d'images radiologiques, tube intensificateur ainsi obtenu

Country Status (5)

Country Link
US (1) US4943254A (fr)
EP (1) EP0350359B1 (fr)
JP (1) JPH0268832A (fr)
DE (1) DE68908637T2 (fr)
FR (1) FR2634057B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02152143A (ja) * 1988-12-02 1990-06-12 Toshiba Corp Ｘ線イメージ管及びその製造方法
FR2688343A1 (fr) * 1992-03-06 1993-09-10 Thomson Tubes Electroniques Tube intensificateur d'image notamment radiologique, du type a galette de microcanaux.
FR2698482B1 (fr) * 1992-11-20 1994-12-23 Thomson Tubes Electroniques Dispositif générateur d'images par effet de luminescence.
FR2700889B1 (fr) * 1993-01-22 1995-02-24 Thomson Tubes Electroniques Tube convertisseur d'images, et procédé de suppression des lueurs parasites dans ce tube.
GB9603197D0 (en) * 1996-02-15 1996-04-17 Gen Electric Electrodeless discharge lamp
FR2777112B1 (fr) 1998-04-07 2000-06-16 Thomson Tubes Electroniques Dispositif de conversion d'une image
FR2782388B1 (fr) 1998-08-11 2000-11-03 Trixell Sas Detecteur de rayonnement a l'etat solide a duree de vie accrue

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2212579A1 (de) * 1972-03-15 1973-09-27 Siemens Ag Vakuum-bildwandler
JPS5736758A (en) * 1980-08-14 1982-02-27 Nec Corp Image tube
FR2600177B1 (fr) * 1986-06-13 1988-08-19 Thomson Csf Procede de fabrication d'un intensificateur d'images radiologiques et intensificateur d'images radiologiques ainsi obtenu

Also Published As

Publication number Publication date
EP0350359B1 (fr) 1993-08-25
DE68908637T2 (de) 1993-12-23
US4943254A (en) 1990-07-24
EP0350359A1 (fr) 1990-01-10
DE68908637D1 (de) 1993-09-30
JPH0268832A (ja) 1990-03-08
FR2634057A1 (fr) 1990-01-12

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Legal Events

Date Code Title Description
ST Notification of lapse