FR2225830B1 - - Google Patents

Info

Publication number
FR2225830B1
FR2225830B1 FR7403115A FR7403115A FR2225830B1 FR 2225830 B1 FR2225830 B1 FR 2225830B1 FR 7403115 A FR7403115 A FR 7403115A FR 7403115 A FR7403115 A FR 7403115A FR 2225830 B1 FR2225830 B1 FR 2225830B1
Authority
FR
France
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
FR7403115A
Other versions
FR2225830A1 (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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Priority claimed from JP48041397A external-priority patent/JPS49130670A/ja
Priority claimed from JP4140473A external-priority patent/JPS49132978A/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2225830A1 publication Critical patent/FR2225830A1/fr
Application granted granted Critical
Publication of FR2225830B1 publication Critical patent/FR2225830B1/fr
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
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
    • H01J9/144—Mask treatment related to the process of dot deposition during manufacture of luminescent screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
FR7403115A 1973-04-13 1974-01-30 Expired FR2225830B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48041397A JPS49130670A (fr) 1973-04-13 1973-04-13
JP4140473A JPS49132978A (fr) 1973-04-13 1973-04-13

Publications (2)

Publication Number Publication Date
FR2225830A1 FR2225830A1 (fr) 1974-11-08
FR2225830B1 true FR2225830B1 (fr) 1977-06-10

Family

ID=26381001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7403115A Expired FR2225830B1 (fr) 1973-04-13 1974-01-30

Country Status (3)

Country Link
DE (1) DE2404402B2 (fr)
FR (1) FR2225830B1 (fr)
GB (1) GB1433291A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3125075C2 (de) * 1980-07-16 1987-01-15 N.V. Philips' Gloeilampenfabrieken, Eindhoven Farbbildröhre

Also Published As

Publication number Publication date
DE2404402B2 (de) 1977-03-10
DE2404402A1 (de) 1974-11-07
GB1433291A (en) 1976-04-22
FR2225830A1 (fr) 1974-11-08

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Legal Events

Date Code Title Description
ST Notification of lapse