FR2457561A1 - Tube-image couleur a masque d'ombre a fentes et son procede de fabrication - Google Patents

Tube-image couleur a masque d'ombre a fentes et son procede de fabrication

Info

Publication number
FR2457561A1
FR2457561A1 FR8010701A FR8010701A FR2457561A1 FR 2457561 A1 FR2457561 A1 FR 2457561A1 FR 8010701 A FR8010701 A FR 8010701A FR 8010701 A FR8010701 A FR 8010701A FR 2457561 A1 FR2457561 A1 FR 2457561A1
Authority
FR
France
Prior art keywords
slot
mask
colour
width
tube
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.)
Withdrawn
Application number
FR8010701A
Other languages
English (en)
Inventor
Henry William Kuzminski
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.)
RCA Corp
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
Publication of FR2457561A1 publication Critical patent/FR2457561A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

TUBE-IMAGE COULEUR COMPORTANT UN MASQUE PERFORE DE FENTES DANS LEQUEL LES PERFORATIONS EN FORME DE FENTES SONT ARRANGEES EN COLONNES ET LES PERFORATIONS DE CHAQUE COLONNE SONT SEPAREES PAR DES PARTIES PLEINES OU PONTS, LES EXTREMITES DE CHAQUE PERFORATION PRES DES PONTS ETANT INCURVEES, CE TUBE-IMAGE ETANT CARACTERISE EN CE QUE LE RAYON DE COURBURE DES EXTREMITES DES PERFORATIONS 52, 58 PRES DES PARTIES PLEINES OU PONTS 54 EST SENSIBLEMENT PLUS GRAND QUE LA MOITIE DE LA LARGEUR DES PARTIES CENTRALES DES PERFORATIONS RESPECTIVES.
FR8010701A 1979-05-24 1980-05-13 Tube-image couleur a masque d'ombre a fentes et son procede de fabrication Withdrawn FR2457561A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4199879A 1979-05-24 1979-05-24

Publications (1)

Publication Number Publication Date
FR2457561A1 true FR2457561A1 (fr) 1980-12-19

Family

ID=21919501

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8010701A Withdrawn FR2457561A1 (fr) 1979-05-24 1980-05-13 Tube-image couleur a masque d'ombre a fentes et son procede de fabrication

Country Status (6)

Country Link
JP (1) JPS55159545A (fr)
CA (1) CA1142570A (fr)
DD (1) DD153023A5 (fr)
DE (1) DE3019816A1 (fr)
FR (1) FR2457561A1 (fr)
IT (1) IT1131155B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2741036B2 (ja) * 1988-07-30 1998-04-15 大日本スクリーン製造株式会社 カラー受像管用シャドウマスク
DE69132527T2 (de) * 1990-11-22 2001-08-23 Toshiba Kawasaki Kk Negativplatte zur Herstellung einer Schattenmaske und Verfahren zur Herstellung der Negativplatte
KR20060109100A (ko) 2005-04-15 2006-10-19 삼성에스디아이 주식회사 음극선관용 새도우 마스크

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE554368A (fr) * 1956-01-21
US4077717A (en) * 1974-11-04 1978-03-07 Zenith Radio Corporation Apparatus for making a color selection mask for a color cathode ray tube

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1951304A1 (de) * 1968-10-30 1970-05-21 Sanyo Electric Co Farb-Kathodenstrahlroehre
GB1430864A (en) * 1973-04-06 1976-04-07 Woollenweber W E Rotatable assembly including two vaned wheels mounted on a common shaft
US3834905A (en) * 1973-05-23 1974-09-10 Rca Corp Method of making elliptically or rectangularly graded photoprinting masters
JPS5158065A (ja) * 1974-11-18 1976-05-21 Hitachi Ltd Karaajuzokan
JPS5320853A (en) * 1976-08-11 1978-02-25 Hitachi Ltd Rear-stage convergence type color picture tube
JPS5376741A (en) * 1976-12-20 1978-07-07 Toshiba Corp Shadow mask its fabrication

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE554368A (fr) * 1956-01-21
US4077717A (en) * 1974-11-04 1978-03-07 Zenith Radio Corporation Apparatus for making a color selection mask for a color cathode ray tube

Also Published As

Publication number Publication date
IT1131155B (it) 1986-06-18
JPS55159545A (en) 1980-12-11
CA1142570A (fr) 1983-03-08
DE3019816A1 (de) 1980-11-27
IT8021829A0 (it) 1980-05-06
DD153023A5 (de) 1981-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse