CA1027171A - Method of manufacturing reproduction masks for the shadow mask of a display tube, and display tube manufactured according to said method - Google Patents

Method of manufacturing reproduction masks for the shadow mask of a display tube, and display tube manufactured according to said method

Info

Publication number
CA1027171A
CA1027171A CA222,662A CA222662A CA1027171A CA 1027171 A CA1027171 A CA 1027171A CA 222662 A CA222662 A CA 222662A CA 1027171 A CA1027171 A CA 1027171A
Authority
CA
Canada
Prior art keywords
display tube
shadow mask
manufactured according
manufacturing
masks
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
Application number
CA222,662A
Other languages
English (en)
French (fr)
Inventor
Jan Van Der Waal
Gerard Vermeulen
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1027171A publication Critical patent/CA1027171A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
CA222,662A 1974-03-28 1975-03-20 Method of manufacturing reproduction masks for the shadow mask of a display tube, and display tube manufactured according to said method Expired CA1027171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7404209A NL7404209A (nl) 1974-03-28 1974-03-28 Werkwijze voor het vervaardigen van reproduk- tiemaskers voor het schaduwmasker van een beeld- buis en beeldbuis vervaardigd volgens deze werk- wijze.

Publications (1)

Publication Number Publication Date
CA1027171A true CA1027171A (en) 1978-02-28

Family

ID=19821058

Family Applications (1)

Application Number Title Priority Date Filing Date
CA222,662A Expired CA1027171A (en) 1974-03-28 1975-03-20 Method of manufacturing reproduction masks for the shadow mask of a display tube, and display tube manufactured according to said method

Country Status (10)

Country Link
US (1) US4339516A (cs)
JP (1) JPS50131757A (cs)
AU (1) AU7950775A (cs)
BE (1) BE827212A (cs)
CA (1) CA1027171A (cs)
DE (1) DE2511205C3 (cs)
FR (1) FR2266296B1 (cs)
GB (1) GB1480440A (cs)
IT (1) IT1030444B (cs)
NL (1) NL7404209A (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4429028A (en) * 1982-06-22 1984-01-31 Rca Corporation Color picture tube having improved slit type shadow mask and method of making same
US5336587A (en) * 1988-05-24 1994-08-09 Kabushiki Kaisha Toshiba Method of manufacturing main plates for exposure printing
TW378334B (en) * 1994-10-14 2000-01-01 Thomson Consumer Electronics Method of forming an enhanced resolution shadow mask

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2292313A (en) * 1940-04-19 1942-08-04 Eastman Kodak Co Halftone screen
US2750524A (en) * 1951-11-15 1956-06-12 Mergenthaler Linotype Gmbh Perforate mask for multicolor television apparatus and method of producting same
US3993487A (en) * 1969-01-03 1976-11-23 Matsushita Electronics Corporation Method for manufacture of color television picture tubes using rotating light source
US3666462A (en) * 1969-03-28 1972-05-30 Zenith Radio Corp Process of screening a shadow mask color tube
US3708336A (en) * 1969-10-29 1973-01-02 Nippon Columbia Method of making color phosphor screen of color picture tube nishizawa m,ja
US3973965A (en) * 1972-05-30 1976-08-10 Tokyo Shibaura Electric Co., Ltd. Making shadow mask with slit-shaped apertures for CRT

Also Published As

Publication number Publication date
IT1030444B (it) 1979-03-30
FR2266296B1 (cs) 1978-02-03
AU7950775A (en) 1976-09-30
US4339516A (en) 1982-07-13
JPS50131757A (cs) 1975-10-18
DE2511205A1 (de) 1975-10-02
FR2266296A1 (cs) 1975-10-24
NL7404209A (nl) 1975-09-30
BE827212A (fr) 1975-09-26
GB1480440A (en) 1977-07-20
DE2511205B2 (de) 1978-08-03
DE2511205C3 (de) 1979-04-12

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