FR2710189B1 - Procédé de découpe d'électrode de canon à électrons pour tubes à rayons cathodiques. - Google Patents

Procédé de découpe d'électrode de canon à électrons pour tubes à rayons cathodiques.

Info

Publication number
FR2710189B1
FR2710189B1 FR9311130A FR9311130A FR2710189B1 FR 2710189 B1 FR2710189 B1 FR 2710189B1 FR 9311130 A FR9311130 A FR 9311130A FR 9311130 A FR9311130 A FR 9311130A FR 2710189 B1 FR2710189 B1 FR 2710189B1
Authority
FR
France
Prior art keywords
cutting
cathode ray
electron gun
ray tubes
gun electrode
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 - Fee Related
Application number
FR9311130A
Other languages
English (en)
Other versions
FR2710189A1 (fr
Inventor
De Macedo Manuel
Geffroy Alain
Pontailler Yves
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.)
Thomson Tubes and Displays SA
Original Assignee
Thomson Tubes and Displays 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 Tubes and Displays SA filed Critical Thomson Tubes and Displays SA
Priority to FR9311130A priority Critical patent/FR2710189B1/fr
Publication of FR2710189A1 publication Critical patent/FR2710189A1/fr
Application granted granted Critical
Publication of FR2710189B1 publication Critical patent/FR2710189B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
FR9311130A 1993-09-17 1993-09-17 Procédé de découpe d'électrode de canon à électrons pour tubes à rayons cathodiques. Expired - Fee Related FR2710189B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9311130A FR2710189B1 (fr) 1993-09-17 1993-09-17 Procédé de découpe d'électrode de canon à électrons pour tubes à rayons cathodiques.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9311130A FR2710189B1 (fr) 1993-09-17 1993-09-17 Procédé de découpe d'électrode de canon à électrons pour tubes à rayons cathodiques.

Publications (2)

Publication Number Publication Date
FR2710189A1 FR2710189A1 (fr) 1995-03-24
FR2710189B1 true FR2710189B1 (fr) 1995-11-10

Family

ID=9450998

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9311130A Expired - Fee Related FR2710189B1 (fr) 1993-09-17 1993-09-17 Procédé de découpe d'électrode de canon à électrons pour tubes à rayons cathodiques.

Country Status (1)

Country Link
FR (1) FR2710189B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5732536A (en) * 1980-08-01 1982-02-22 Hitachi Ltd Working method for electrode section of electron gun
JPH06103621B2 (ja) * 1986-09-12 1994-12-14 株式会社日立製作所 電子銃用電極の成形方法
US4795391A (en) * 1987-06-26 1989-01-03 Zenith Electronics Corporation Means and method of forming aligned apertures in electron guns

Also Published As

Publication number Publication date
FR2710189A1 (fr) 1995-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20110531