EP0045547A3 - Method of fabricating a cathode-ray tube and an improved electron gun electrode member for a cathode-ray tube fabricated by this method - Google Patents

Method of fabricating a cathode-ray tube and an improved electron gun electrode member for a cathode-ray tube fabricated by this method Download PDF

Info

Publication number
EP0045547A3
EP0045547A3 EP81200833A EP81200833A EP0045547A3 EP 0045547 A3 EP0045547 A3 EP 0045547A3 EP 81200833 A EP81200833 A EP 81200833A EP 81200833 A EP81200833 A EP 81200833A EP 0045547 A3 EP0045547 A3 EP 0045547A3
Authority
EP
European Patent Office
Prior art keywords
cathode
ray tube
fabricating
electron gun
electrode member
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.)
Granted
Application number
EP81200833A
Other versions
EP0045547B1 (en
EP0045547A2 (en
Inventor
Floyd Keith Collins
Donald Leroy Say
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.)
Philips ECG Inc
Original Assignee
Philips ECG Inc
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 Philips ECG Inc filed Critical Philips ECG Inc
Publication of EP0045547A2 publication Critical patent/EP0045547A2/en
Publication of EP0045547A3 publication Critical patent/EP0045547A3/en
Application granted granted Critical
Publication of EP0045547B1 publication Critical patent/EP0045547B1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Microwave Tubes (AREA)
EP81200833A 1980-08-04 1981-07-21 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 Expired EP0045547B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17516580A 1980-08-04 1980-08-04
US175165 1980-08-04

Publications (3)

Publication Number Publication Date
EP0045547A2 EP0045547A2 (en) 1982-02-10
EP0045547A3 true EP0045547A3 (en) 1982-06-23
EP0045547B1 EP0045547B1 (en) 1984-09-26

Family

ID=22639203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81200833A Expired EP0045547B1 (en) 1980-08-04 1981-07-21 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

Country Status (5)

Country Link
EP (1) EP0045547B1 (en)
JP (1) JPS5763746A (en)
CA (1) CA1184234A (en)
DE (1) DE3166330D1 (en)
ES (1) ES8204880A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1170150B (en) * 1982-07-19 1987-06-03 Rca Corp GRID EQUIPPED WITH OPENINGS FOR ELECTRONIC CANNONS AND METHOD OF MANUFACTURE OF THE SAME
IT1176203B (en) * 1983-06-27 1987-08-18 Rca Corp CATHODE TUBE WITH AN ELECTRONIC CANNON PRESENTING A REGION OF FORMATION OF AN ASTIGMATIC BEAM
DE3617432A1 (en) * 1986-05-23 1987-11-26 Standard Elektrik Lorenz Ag ELECTRON BEAM GENERATION SYSTEM
JP2672502B2 (en) * 1987-01-26 1997-11-05 株式会社日立製作所 Method for manufacturing electrode for color cathode ray tube electron gun

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935636A (en) * 1955-10-31 1960-05-03 Rca Corp Electron gun structure
US2971108A (en) * 1958-09-26 1961-02-07 Sylvania Electric Prod Electron discharge device
US3628077A (en) * 1970-02-26 1971-12-14 Sylvania Electric Prod Electron gun having concave coined grid and annular rib
US4071932A (en) * 1976-10-28 1978-02-07 Standaart Adrian W Method of making electron guns for cathode ray tubes and the like
DE3018569A1 (en) * 1979-05-18 1980-11-27 Hitachi Ltd ELECTRODE OF A COLORED TUBE ELECTRONIC SPIN, AND METHOD FOR THE PRODUCTION THEREOF

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935636A (en) * 1955-10-31 1960-05-03 Rca Corp Electron gun structure
US2971108A (en) * 1958-09-26 1961-02-07 Sylvania Electric Prod Electron discharge device
US3628077A (en) * 1970-02-26 1971-12-14 Sylvania Electric Prod Electron gun having concave coined grid and annular rib
US4071932A (en) * 1976-10-28 1978-02-07 Standaart Adrian W Method of making electron guns for cathode ray tubes and the like
DE3018569A1 (en) * 1979-05-18 1980-11-27 Hitachi Ltd ELECTRODE OF A COLORED TUBE ELECTRONIC SPIN, AND METHOD FOR THE PRODUCTION THEREOF

Also Published As

Publication number Publication date
ES504476A0 (en) 1982-05-01
CA1184234A (en) 1985-03-19
JPS5763746A (en) 1982-04-17
DE3166330D1 (en) 1984-10-31
JPH0312417B2 (en) 1991-02-20
ES8204880A1 (en) 1982-05-01
EP0045547B1 (en) 1984-09-26
EP0045547A2 (en) 1982-02-10

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