CA938145A - Manufacture of shadow mask color picture tube - Google Patents

Manufacture of shadow mask color picture tube

Info

Publication number
CA938145A
CA938145A CA111863A CA111863A CA938145A CA 938145 A CA938145 A CA 938145A CA 111863 A CA111863 A CA 111863A CA 111863 A CA111863 A CA 111863A CA 938145 A CA938145 A CA 938145A
Authority
CA
Canada
Prior art keywords
manufacture
shadow mask
picture tube
color picture
mask color
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
CA111863A
Inventor
P. Fiore Joseph
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio 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 Zenith Radio Corp filed Critical Zenith Radio Corp
Application granted granted Critical
Publication of CA938145A publication Critical patent/CA938145A/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
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
    • H01J9/2272—Devices for carrying out the processes, e.g. light houses
    • 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
CA111863A 1970-05-01 1971-04-30 Manufacture of shadow mask color picture tube Expired CA938145A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3376670A 1970-05-01 1970-05-01

Publications (1)

Publication Number Publication Date
CA938145A true CA938145A (en) 1973-12-11

Family

ID=21872310

Family Applications (1)

Application Number Title Priority Date Filing Date
CA111863A Expired CA938145A (en) 1970-05-01 1971-04-30 Manufacture of shadow mask color picture tube

Country Status (6)

Country Link
US (1) US3676914A (en)
JP (1) JPS5129634B1 (en)
CA (1) CA938145A (en)
DE (1) DE2122186A1 (en)
GB (1) GB1328295A (en)
NL (1) NL7105863A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1464131A (en) * 1973-02-21 1977-02-09 Hitachi Ltd Manufacture of shadow masks
JPS49130670A (en) * 1973-04-13 1974-12-14
US3889329A (en) * 1973-05-16 1975-06-17 Fazal A Fazlin Process for making color television masks
US3989524A (en) * 1974-12-23 1976-11-02 Zenith Radio Corporation Method for manufacturing a color cathode ray tube using mask and screen masters
US3975198A (en) * 1974-12-23 1976-08-17 Zenith Radio Corporation Method and apparatus for manufacturing a color cathode ray tube using interchangeable shadow masks
US3983613A (en) * 1974-12-23 1976-10-05 Zenith Radio Corporation Photographic master for use in making a color cathode ray tube shadow mask
US3973964A (en) * 1974-12-23 1976-08-10 Zenith Radio Corporation Method for manufacturing a color cathode ray tube and for making screening and mask masters used therein
US4105493A (en) * 1975-07-05 1978-08-08 The Gillette Company Production of shaving foil
US4248947A (en) * 1976-12-01 1981-02-03 Hitachi, Ltd. Method for master pattern production
US4210843A (en) * 1979-04-03 1980-07-01 Zenith Radio Corporation Color CRT shadow mask and method of making same
JPS59158051A (en) * 1983-02-28 1984-09-07 Toshiba Corp Manufacture of shadow mask
US4680196A (en) * 1985-08-22 1987-07-14 Zenith Electronics Corporation Method for shadow mask protection during manufacture
US4705357A (en) * 1985-08-22 1987-11-10 Zenith Electronics Corporation Shadow mask having aperture occlusion prevention means
US4973280A (en) * 1988-07-22 1990-11-27 Zenith Electronics Corporation Method and apparatus for making flat tension mask color cathode ray tubes
US4998901A (en) * 1988-07-22 1991-03-12 Zenith Electronics Corporation Method and apparatus for making flat tension mask color cathode ray tubes
US5059147A (en) * 1988-07-22 1991-10-22 Zenith Electronics Corporation Method and apparatus for making flat tension mask color cathode ray tubes
US4902257A (en) * 1988-07-22 1990-02-20 Zenith Electronics Corporation Methods and apparatus for making flat tension mask color cathode ray tubes
US5718738A (en) * 1996-11-04 1998-02-17 Lucent Technologies Inc. Method for making continuously chirped fiber bragg gratings
WO2000068969A1 (en) * 1999-05-10 2000-11-16 Nippon Electric Glass Co., Ltd. Glass bulb for cathode-ray tube
TW201145440A (en) * 2010-06-09 2011-12-16 Global Material Science Co Ltd Shadow frame and manufacturing method thereof
CN113388808B (en) * 2021-06-17 2022-09-23 云谷（固安）科技有限公司 Mask plate manufacturing method and mask plate

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767457A (en) * 1954-11-01 1956-10-23 Rca Corp Color kinescopes and methods of making same
NL204098A (en) * 1955-02-01
US3017687A (en) * 1957-09-03 1962-01-23 Itt Method of making bowl-shaped fine mesh screens for electron discharge tubes
NL251141A (en) * 1960-05-02
US3231380A (en) * 1960-11-14 1966-01-25 Rca Corp Art of making electron-optical reticles
US3351996A (en) * 1965-03-29 1967-11-14 Rauland Corp Method of making a rectangular-mask assembly for a shadow-mask type of color tube

Also Published As

Publication number Publication date
US3676914A (en) 1972-07-18
GB1328295A (en) 1973-08-30
JPS5129634B1 (en) 1976-08-26
DE2122186A1 (en) 1971-11-11
NL7105863A (en) 1971-11-03

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