IT939783B - Procedimento di fabbricazione di una maschera perforata prelimina re di un cinescopio per televisio ne a colori - Google Patents

Procedimento di fabbricazione di una maschera perforata prelimina re di un cinescopio per televisio ne a colori

Info

Publication number
IT939783B
IT939783B IT69923/71A IT6992371A IT939783B IT 939783 B IT939783 B IT 939783B IT 69923/71 A IT69923/71 A IT 69923/71A IT 6992371 A IT6992371 A IT 6992371A IT 939783 B IT939783 B IT 939783B
Authority
IT
Italy
Prior art keywords
prelimine
procedure
manufacturing
color television
perforated mask
Prior art date
Application number
IT69923/71A
Other languages
English (en)
Italian (it)
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT939783B publication Critical patent/IT939783B/it

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
    • 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)
  • ing And Chemical Polishing (AREA)
IT69923/71A 1970-09-30 1971-09-02 Procedimento di fabbricazione di una maschera perforata prelimina re di un cinescopio per televisio ne a colori IT939783B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7690770A 1970-09-30 1970-09-30
US7677970A 1970-09-30 1970-09-30

Publications (1)

Publication Number Publication Date
IT939783B true IT939783B (it) 1973-02-10

Family

ID=26758465

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69923/71A IT939783B (it) 1970-09-30 1971-09-02 Procedimento di fabbricazione di una maschera perforata prelimina re di un cinescopio per televisio ne a colori

Country Status (9)

Country Link
US (2) US3725065A (en])
AU (1) AU466629B2 (en])
BE (1) BE773288A (en])
CA (2) CA950962A (en])
DE (1) DE2148705A1 (en])
FR (1) FR2108104B1 (en])
GB (1) GB1346657A (en])
IT (1) IT939783B (en])
NL (1) NL7113359A (en])

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4924573A (en]) * 1972-06-30 1974-03-05
GB1464131A (en) * 1973-02-21 1977-02-09 Hitachi Ltd Manufacture of shadow masks
US3931442A (en) * 1973-03-02 1976-01-06 Gte Sylvania Incorporated Temporary modification of a pattern mask for use in forming a color CRT screen and a process for modifying the same
JPS49130670A (en]) * 1973-04-13 1974-12-14
US3993516A (en) * 1974-10-07 1976-11-23 Zenith Radio Corporation Method of controlled etching in the manufacture of a color selection mask for a color cathode ray tube
US3955980A (en) * 1974-11-04 1976-05-11 Zenith Radio Corporation Method for making a color selection mask for a color cathode ray tube
US4094678A (en) * 1976-12-07 1978-06-13 Zenith Radio Corporation Method of making curved color cathode ray tube shadow masks having interregistrable electron beam-passing aperture patterns
US4318026A (en) * 1980-04-30 1982-03-02 Rca Corporation Method of making a grid for a cathode-ray tube electron gun
US4303466A (en) * 1980-06-19 1981-12-01 Buckbee-Mears Company Process of forming graded aperture masks
JPS5897243A (ja) * 1981-12-03 1983-06-09 Toshiba Corp カラ−受像管用マスクの製作法
US4534744A (en) * 1983-05-02 1985-08-13 Burroughs Corporation Display panel and method of making it
US4632726A (en) * 1984-07-13 1986-12-30 Bmc Industries, Inc. Multi-graded aperture mask method
US4651051A (en) * 1985-07-05 1987-03-17 Rca Corporation Cathode-ray tube having a focusing color-selection structure and a viewing screen formed therefrom
EP0476949A1 (en) * 1990-09-19 1992-03-25 Konica Corporation Silver halide color photographic light sensitive material
US5656418A (en) 1994-09-12 1997-08-12 Fuji Photo Film Co., Ltd. Silver halide color photographic material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2663821A (en) * 1951-06-16 1953-12-22 Rca Corp Masked target kinescope

Also Published As

Publication number Publication date
GB1346657A (en) 1974-02-13
AU466629B2 (en) 1975-11-06
CA950963A (en) 1974-07-09
US3725065A (en) 1973-04-03
CA950962A (en) 1974-07-09
FR2108104B1 (en]) 1973-06-29
NL7113359A (en]) 1972-04-05
BE773288A (fr) 1972-01-17
DE2148705A1 (de) 1972-04-06
FR2108104A1 (en]) 1972-05-12
US3663997A (en) 1972-05-23
AU3362071A (en) 1973-03-22

Similar Documents

Publication Publication Date Title
IT939783B (it) Procedimento di fabbricazione di una maschera perforata prelimina re di un cinescopio per televisio ne a colori
IT1050632B (it) Cinescopio per la presentazione di immagini televisive a colori
IT980156B (it) Dispositivo di smagnetizzazioni per tubi di televisione a colori
BR7300201D0 (pt) Conjuntos de apresentacao de imagens de televisao a cores
IT1051495B (it) Circuito smagnetizzante..particolarmente per cinescopi a colori con maschera d ombra
IT945641B (it) Camera di pipresa televisiva a colori
IT1031795B (it) Mascherina forata per cinescopi a colori e procedimento per pre pararla
IT983742B (it) Diaframma forato in cromoscopi di televisori a colori
IT959321B (it) Procedimento ed apparecchio per la fabbricazione dei cinescopi a colori
GB1342449A (en) Exposure device for manufacturing a display screen of a colour display cathode-ray tube
IT944102B (it) Metodo per la fabbricazione di una tubo televisivo a colori
IT996764B (it) Procedimento per fabbricare una composizione per vetri televisivi
IT1021077B (it) Chiusura a tenuta di una camera di combustione
IT963636B (it) Metodo di fabbricazione di una maschera forata temporanea per un tubo televisivo a colori
IT959720B (it) Dispositivo di esposizione partico larmente per televisione a colori
IT1030298B (it) Procedimento per la fabbricazione di un tubo a raggi catodici per la presentazione di immagini a colori
IT1036200B (it) Procedimento per la fabbricazione di tubi a maschera d ombra per la presentazione di immagini a colori
IT999657B (it) Procedimento per il trattamento del le superfici di una maschera forel lata di ferro per cinescopi a colori
IT947457B (it) Metodo per la fabbricazione di un tubo televisivo a color
IT967102B (it) Tubo catodico per tv a colori a maschera forata
IT974922B (it) Bobina di ritardo particolarmente per ricevitori televisivi a colori
IT1008559B (it) Perfezionamento nelle maschere di colore per cinescopi di televisione a colori
CA974411A (en) Method of forming secondary electron emission preventing layer for post-deflection acceleration type color picture tube
IT964942B (it) Procedimento per la fabbricazione di uno schermo luminescente di un tubo di televisione a colori
IT951834B (it) Cinescopio a colori a maschera d ombra e relativo metodo di fabbricazione