IT1170150B - Griglia dotata di aperture per cannoni elettronici e metodo di fabbricazione della stessa - Google Patents

Griglia dotata di aperture per cannoni elettronici e metodo di fabbricazione della stessa

Info

Publication number
IT1170150B
IT1170150B IT8321640A IT2164083A IT1170150B IT 1170150 B IT1170150 B IT 1170150B IT 8321640 A IT8321640 A IT 8321640A IT 2164083 A IT2164083 A IT 2164083A IT 1170150 B IT1170150 B IT 1170150B
Authority
IT
Italy
Prior art keywords
openings
manufacture
same
grid equipped
electronic cannons
Prior art date
Application number
IT8321640A
Other languages
English (en)
Other versions
IT8321640A0 (it
Inventor
Ii Carl Leonard Lundvall
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of IT8321640A0 publication Critical patent/IT8321640A0/it
Application granted granted Critical
Publication of IT1170150B publication Critical patent/IT1170150B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503—Three or more guns, the axes of which lay in a common plane
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Microwave Tubes (AREA)
IT8321640A 1982-07-19 1983-06-15 Griglia dotata di aperture per cannoni elettronici e metodo di fabbricazione della stessa IT1170150B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39934182A 1982-07-19 1982-07-19

Publications (2)

Publication Number Publication Date
IT8321640A0 IT8321640A0 (it) 1983-06-15
IT1170150B true IT1170150B (it) 1987-06-03

Family

ID=23579171

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8321640A IT1170150B (it) 1982-07-19 1983-06-15 Griglia dotata di aperture per cannoni elettronici e metodo di fabbricazione della stessa

Country Status (4)

Country Link
JP (1) JPS5933740A (it)
DE (1) DE3325856A1 (it)
FR (1) FR2530378A1 (it)
IT (1) IT1170150B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0629213Y2 (ja) * 1987-04-10 1994-08-10 中富 栗本 砂杭造成装置
JPH0629214Y2 (ja) * 1987-04-10 1994-08-10 中富 栗本 砂杭造成装置
GB8822475D0 (en) * 1988-09-23 1988-10-26 Atomic Energy Authority Uk Ion extraction grids
FR2644628B1 (fr) * 1989-03-17 1996-10-04 Videocolor Grille de focalisation pour canon a electrons en ligne pour tube de television en couleurs et canon a electrons en ligne utilisant une telle grille
DE4012888A1 (de) * 1990-04-23 1991-10-24 Nokia Unterhaltungselektronik Gitter fuer elektronenstrahl-erzeugungssysteme

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852608A (en) * 1971-03-22 1974-12-03 Philips Corp Cathode-ray tube having an astigmatic lens element in its electron gun
US3777210A (en) * 1972-10-30 1973-12-04 Rca Corp Electron gun and method of assembly
US4234814A (en) * 1978-09-25 1980-11-18 Rca Corporation Electron gun with astigmatic flare-reducing beam forming region
JPS55154044A (en) * 1979-05-18 1980-12-01 Hitachi Ltd Electrode structure of electron gun and its manufacture
US4307498A (en) * 1979-11-15 1981-12-29 North American Philips Consumer Electronics Corp. One piece astigmatic grid for color picture tube electron gun and method of making same
EP0045547B1 (en) * 1980-08-04 1984-09-26 Philips ECG Inc. Method of fabricating an electron gun electrode member for a cathode-ray tube and cathode ray tube comprising an electron gun electrode member fabricated by this method

Also Published As

Publication number Publication date
IT8321640A0 (it) 1983-06-15
JPS5933740A (ja) 1984-02-23
DE3325856A1 (de) 1984-01-19
FR2530378A1 (fr) 1984-01-20

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