ES2044179T3 - TUBE WITH MASK FOR VISUALIZATION, ESPECIALLY OF THE COLOR TELEVISION. - Google Patents

TUBE WITH MASK FOR VISUALIZATION, ESPECIALLY OF THE COLOR TELEVISION.

Info

Publication number
ES2044179T3
ES2044179T3 ES89402864T ES89402864T ES2044179T3 ES 2044179 T3 ES2044179 T3 ES 2044179T3 ES 89402864 T ES89402864 T ES 89402864T ES 89402864 T ES89402864 T ES 89402864T ES 2044179 T3 ES2044179 T3 ES 2044179T3
Authority
ES
Spain
Prior art keywords
heavy metal
mask
tube
color television
visualization
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 - Lifetime
Application number
ES89402864T
Other languages
Spanish (es)
Inventor
Franco Bucci
Gabriele Giancaterini
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
Application granted granted Critical
Publication of ES2044179T3 publication Critical patent/ES2044179T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0777—Coatings

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

TUBO DE MASCARA PARA LA VISUALIZACION O LA TELEVISION EN COLOR, EN EL QUE LA CARA DE LA MASCARA, A BASE DE HIERRO, OPUESTA A LA PANTALLA ESTA RECUBIERTA POR UN METAL PESADO O UN COMPUESTO DE METAL PESADO DE NUMERO ATOMICO SUPERIOR A 70. EL METAL PESADO O COMPUESTO DE METAL PESADO ESTA MEZCLADO CON UN SILICATO ALCALINO, POR EJEMPLO EL SILICATO DE POTASIO. LA RELACION EN PESO ENTRE EL METAL PESADO Y EL SILICATO ESTA COMPRENDIDA ENTRE 7 Y 17, PREFERENTEMENTE IGUAL A 12.MASK TUBE FOR DISPLAY OR COLOR TELEVISION, IN WHICH THE FACE OF THE MASK, BASED ON IRON, OPPOSED TO THE SCREEN IS COVERED BY A HEAVY METAL OR A COMPOSITE OF HEAVY METAL OF ATOMIC NUMBER OVER 70. THE HEAVY METAL OR HEAVY METAL COMPOSITE IS MIXED WITH AN ALKALINE SILICATE, FOR EXAMPLE POTASSIUM SILICATE. THE RATIO IN WEIGHT BETWEEN HEAVY METAL AND SILICATE IS INCLUDED BETWEEN 7 AND 17, PREFERABLY EQUAL TO 12.

ES89402864T 1988-10-25 1989-10-17 TUBE WITH MASK FOR VISUALIZATION, ESPECIALLY OF THE COLOR TELEVISION. Expired - Lifetime ES2044179T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8813912A FR2638282B1 (en) 1988-10-25 1988-10-25 MASK TUBE FOR VISUALIZATION, ESPECIALLY COLOR TELEVISION

Publications (1)

Publication Number Publication Date
ES2044179T3 true ES2044179T3 (en) 1994-01-01

Family

ID=9371243

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89402864T Expired - Lifetime ES2044179T3 (en) 1988-10-25 1989-10-17 TUBE WITH MASK FOR VISUALIZATION, ESPECIALLY OF THE COLOR TELEVISION.

Country Status (11)

Country Link
EP (1) EP0366523B1 (en)
JP (1) JPH02297841A (en)
KR (1) KR0130199B1 (en)
CA (1) CA2001321C (en)
DE (1) DE68908338T2 (en)
ES (1) ES2044179T3 (en)
FR (1) FR2638282B1 (en)
PL (1) PL161192B1 (en)
RU (1) RU2035791C1 (en)
TN (1) TNSN89115A1 (en)
TR (1) TR25751A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118734A1 (en) * 1991-06-07 1992-12-10 Nokia Deutschland Gmbh SHADOW MASK FOR PIPES
US5451833A (en) * 1993-10-28 1995-09-19 Chunghwa Picture Tubes, Ltd. Shadow mask damping for color CRT
TW305051B (en) 1995-09-18 1997-05-11 Hitachi Ltd
DE19654613C2 (en) * 1996-12-20 2001-07-19 Samsung Display Devices Co Ltd Shadow mask with insulation layer and process for its production

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3125075A1 (en) * 1980-07-16 1982-03-11 Naamloze Vennootschap Philips' Gloeilampenfabrieken, 5621 Eindhoven "COLORED PIPES"
JPS6050845A (en) * 1983-08-31 1985-03-20 Toshiba Corp Manufacture of color picture tube
NL8400806A (en) * 1984-03-14 1985-10-01 Philips Nv COLOR IMAGE TUBE.
JPS62281241A (en) * 1986-05-29 1987-12-07 Mitsubishi Electric Corp Cathode-ray tube
JPS62281225A (en) * 1986-05-29 1987-12-07 Mitsubishi Electric Corp Manufacture of color picture tube
JPS62283526A (en) * 1986-05-31 1987-12-09 Mitsubishi Electric Corp Formation of reflection membrane for shadow mask

Also Published As

Publication number Publication date
CA2001321A1 (en) 1990-04-25
DE68908338D1 (en) 1993-09-16
TR25751A (en) 1993-07-26
RU2035791C1 (en) 1995-05-20
EP0366523A1 (en) 1990-05-02
PL161192B1 (en) 1993-05-31
FR2638282A1 (en) 1990-04-27
JPH02297841A (en) 1990-12-10
FR2638282B1 (en) 1996-04-05
DE68908338T2 (en) 1993-12-16
KR900007033A (en) 1990-05-09
KR0130199B1 (en) 1998-04-07
TNSN89115A1 (en) 1991-02-04
CA2001321C (en) 2000-12-19
EP0366523B1 (en) 1993-08-11

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