GB1313243A - Cathode ray tube - Google Patents

Cathode ray tube

Info

Publication number
GB1313243A
GB1313243A GB4143971A GB4143971A GB1313243A GB 1313243 A GB1313243 A GB 1313243A GB 4143971 A GB4143971 A GB 4143971A GB 4143971 A GB4143971 A GB 4143971A GB 1313243 A GB1313243 A GB 1313243A
Authority
GB
United Kingdom
Prior art keywords
glass
cao
zro
ray tube
cathode ray
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
GB4143971A
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB1313243A publication Critical patent/GB1313243A/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
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/863—Vessels or containers characterised by the material thereof
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
    • C03C3/112—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

1313243 Glass composition TOKYO SHIBAURA ELECTRIC CO Ltd 6 Sept 1971 [4 Sept 1970] 41439/71 Heading C1M A glass for use in forming the faceplate of a cathode ray tube contains 0À2 to 5% by weight CeO and 0À1 to 4À0% by weight ZrO 2 . A flint glass containing in weight per cent SiO 2 61À9; Al 2 O 3 3À4; Na 2 O 6À7; K 2 O 7À6; CaO 4À0; PbO 4À0; BuO 9À8; As 2 O 3 0À3; Sb 2 O 3 0À4; F 0À8; CeO 2 0À2-0À5; ZrO 2 0À1-4À0 and a strontium glass containing SiO 2 64À0; Al 2 O 3 3À08; Fe 2 O 3 0À05; Na 2 7À28; K 2 O 9À45; CaO 2À25; MgO 1À00; BaO 0À20; SrO 10À0; As 2 O 3 0À24; Sb 2 O 3 0À40; TiO 2 0À48; CaO 2À25; ZrO 2 0À77 are disclosed. The glass is preferably a neutral grey colour obtained by the addition of Fe 2 O 3 , NiO and CoO.
GB4143971A 1970-09-04 1971-09-06 Cathode ray tube Expired GB1313243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7715370A JPS4948448B1 (en) 1970-09-04 1970-09-04

Publications (1)

Publication Number Publication Date
GB1313243A true GB1313243A (en) 1973-04-11

Family

ID=13625829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4143971A Expired GB1313243A (en) 1970-09-04 1971-09-06 Cathode ray tube

Country Status (3)

Country Link
JP (1) JPS4948448B1 (en)
FR (1) FR2107241A5 (en)
GB (1) GB1313243A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4366252A (en) * 1980-03-13 1982-12-28 Owens-Illinois, Inc. Fluorine-free, zirconia-free, X-ray absorbing silica based glass, containing oxides of lead, barium and strontium plus oxides of calcium, magnesium, sodium, potassium, cerium, titanium, arsenic and antimony
EP1732100A1 (en) * 2005-06-08 2006-12-13 Lg.Philips Displays Picture display device with a neck portion

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2728557A1 (en) * 1994-12-27 1996-06-28 Corning France NEW LENSES AND OPHTHALMIC LENSES

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4366252A (en) * 1980-03-13 1982-12-28 Owens-Illinois, Inc. Fluorine-free, zirconia-free, X-ray absorbing silica based glass, containing oxides of lead, barium and strontium plus oxides of calcium, magnesium, sodium, potassium, cerium, titanium, arsenic and antimony
EP1732100A1 (en) * 2005-06-08 2006-12-13 Lg.Philips Displays Picture display device with a neck portion
WO2006131513A1 (en) * 2005-06-08 2006-12-14 Lg.Philips Displays Picture display device with a neck portion

Also Published As

Publication number Publication date
FR2107241A5 (en) 1972-05-05
JPS4948448B1 (en) 1974-12-21

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee