GB1163495A - Improvements in or relating to Cathode-Ray Tubes - Google Patents

Improvements in or relating to Cathode-Ray Tubes

Info

Publication number
GB1163495A
GB1163495A GB2905067A GB2905067A GB1163495A GB 1163495 A GB1163495 A GB 1163495A GB 2905067 A GB2905067 A GB 2905067A GB 2905067 A GB2905067 A GB 2905067A GB 1163495 A GB1163495 A GB 1163495A
Authority
GB
United Kingdom
Prior art keywords
mask
tube
tabs
envelope
cathode
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
GB2905067A
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain 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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Publication of GB1163495A publication Critical patent/GB1163495A/en
Expired 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
    • H01J29/073—Mounting arrangements associated with shadow masks
    • 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
    • H01J2229/0766—Details of skirt or border
    • H01J2229/0772—Apertures, cut-outs, depressions, or the like

Landscapes

  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

1,163,495. Cathode-ray tubes. COMPAGNIE DE SAINT-GOBAIN. 23 June, 1967 [23 June, 1966], No. 29050/67. Heading H1D. A mask 2 in a cathode-ray tube, especially the shadow mask of a colour television tube, which comprises a perforated non-magnetic metal sheet, is attached directly to the glass of the envelope 1 by tabs 5 cut out along the edges of the mask, the tabs being sealed in the glass of the envelope. Preferably the tabs are secured in the seal between the face-plate and the cone of the envelope. The mask may be held at the required tension by rollers during the sealing operation. If the mask is made of material having a greater expansion coefficient than the glass then the assembled face-plate, mask and cone as a whole may be heated in a furnace to an appropriate temperature, e.g. 420-450‹ C. for a vitro-crystalline sealing substance, whereupon the necessary tension in the mask will be produced when it is cooled. If, however, the seal is effected by a cement or cold seal the mask alone may be heated before the actual sealing takes place. The tube face-plate may be flat. Examples of the material of the mask and the dimensions of tube 5 and cutouts 4 are given.
GB2905067A 1966-06-23 1967-06-23 Improvements in or relating to Cathode-Ray Tubes Expired GB1163495A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR66607A FR1490705A (en) 1966-06-23 1966-06-23 Device for attaching a cathode ray tube mask

Publications (1)

Publication Number Publication Date
GB1163495A true GB1163495A (en) 1969-09-04

Family

ID=8611602

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2905067A Expired GB1163495A (en) 1966-06-23 1967-06-23 Improvements in or relating to Cathode-Ray Tubes

Country Status (6)

Country Link
BE (1) BE700297A (en)
ES (1) ES342140A1 (en)
FR (1) FR1490705A (en)
GB (1) GB1163495A (en)
LU (1) LU53942A1 (en)
NL (1) NL6708029A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777202A (en) * 1971-06-16 1973-12-04 Gte Sylvania Inc High resolution cathode ray tube shadow-mask
US4475056A (en) * 1980-07-23 1984-10-02 Hitachi, Ltd. Color picture tube for character display
US4591344A (en) * 1983-09-30 1986-05-27 Zenith Electronics Corporation Method of fabricating a tension mask color cathode ray tube
US4593224A (en) * 1983-09-30 1986-06-03 Zenith Electronics Corporation Tension mask cathode ray tube
US4593225A (en) * 1984-08-31 1986-06-03 Zenith Electronics Corporation Tension mask colar cathode ray tube
US4614892A (en) * 1984-08-31 1986-09-30 Zenith Electronics Corporation Tension mask mounting structure
US4652791A (en) * 1985-04-30 1987-03-24 Zenith Electronics Corporation Color cathode ray tube and tensible shadow mask blank for use therein
US4656388A (en) * 1985-05-17 1987-04-07 Zenith Electronics Corporation Tensed mask color cathode ray tube and mask support frame therefore
GB2183903A (en) * 1985-12-09 1987-06-10 Tektronix Inc Mounting shadow masks in cathode ray tubes
US4686415A (en) * 1985-04-30 1987-08-11 Zenith Electronics Corporation Tensed mask color cathode ray tube and mask support frame therefor
US4710670A (en) * 1986-02-21 1987-12-01 Zenith Electronics Corporation Front assembly system for a tension mask color cathode ray tube
US4721879A (en) * 1983-09-30 1988-01-26 Zenith Electronics Corporation Tensed mask cathode ray tube
US4767962A (en) * 1986-07-02 1988-08-30 Zenith Electronics Corporation Color cathode ray tube and tensible shadow mask blank for use therein
US4891547A (en) * 1985-11-13 1990-01-02 Ims Ionen Mikrofabrikations Systeme Gesellschaft Gmbh Particle or radiation beam mask and process for making same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283654A (en) * 1979-04-27 1981-08-11 Rca Corporation Modular tube shadow mask support system
NL8503328A (en) * 1985-12-02 1987-07-01 Philips Nv COLOR IMAGE TUBE AND COLOR SELECTION ELECTRODE FOR APPLICATION IN SUCH A COLOR IMAGE TUBE.
NL8801943A (en) * 1988-08-04 1990-03-01 Philips Nv METHOD FOR MANUFACTURING A COLOR IMAGE TUBE
US4942333A (en) * 1988-12-05 1990-07-17 North American Philips Corporation Shadow mask with border pattern

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777202A (en) * 1971-06-16 1973-12-04 Gte Sylvania Inc High resolution cathode ray tube shadow-mask
US4475056A (en) * 1980-07-23 1984-10-02 Hitachi, Ltd. Color picture tube for character display
US4721879A (en) * 1983-09-30 1988-01-26 Zenith Electronics Corporation Tensed mask cathode ray tube
US4591344A (en) * 1983-09-30 1986-05-27 Zenith Electronics Corporation Method of fabricating a tension mask color cathode ray tube
US4593224A (en) * 1983-09-30 1986-06-03 Zenith Electronics Corporation Tension mask cathode ray tube
US4593225A (en) * 1984-08-31 1986-06-03 Zenith Electronics Corporation Tension mask colar cathode ray tube
US4614892A (en) * 1984-08-31 1986-09-30 Zenith Electronics Corporation Tension mask mounting structure
US4652791A (en) * 1985-04-30 1987-03-24 Zenith Electronics Corporation Color cathode ray tube and tensible shadow mask blank for use therein
US4686415A (en) * 1985-04-30 1987-08-11 Zenith Electronics Corporation Tensed mask color cathode ray tube and mask support frame therefor
US4656388A (en) * 1985-05-17 1987-04-07 Zenith Electronics Corporation Tensed mask color cathode ray tube and mask support frame therefore
US4891547A (en) * 1985-11-13 1990-01-02 Ims Ionen Mikrofabrikations Systeme Gesellschaft Gmbh Particle or radiation beam mask and process for making same
GB2183903A (en) * 1985-12-09 1987-06-10 Tektronix Inc Mounting shadow masks in cathode ray tubes
US4704094A (en) * 1985-12-09 1987-11-03 Tektronix, Inc. Cathode ray tube and method of manufacture
GB2183903B (en) * 1985-12-09 1990-05-30 Tektronix Inc Cathode ray tube
US4710670A (en) * 1986-02-21 1987-12-01 Zenith Electronics Corporation Front assembly system for a tension mask color cathode ray tube
US4767962A (en) * 1986-07-02 1988-08-30 Zenith Electronics Corporation Color cathode ray tube and tensible shadow mask blank for use therein

Also Published As

Publication number Publication date
LU53942A1 (en) 1968-03-11
ES342140A1 (en) 1968-07-16
FR1490705A (en) 1967-08-04
NL6708029A (en) 1967-12-27
BE700297A (en) 1967-12-21

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees