GB1397348A - X-ray absorbing glass - Google Patents

X-ray absorbing glass

Info

Publication number
GB1397348A
GB1397348A GB5333773A GB5333773A GB1397348A GB 1397348 A GB1397348 A GB 1397348A GB 5333773 A GB5333773 A GB 5333773A GB 5333773 A GB5333773 A GB 5333773A GB 1397348 A GB1397348 A GB 1397348A
Authority
GB
United Kingdom
Prior art keywords
glass
ray absorbing
absorbing glass
point
coefficient
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
GB5333773A
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.)
AGC Inc
Original Assignee
Asahi Glass 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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Priority to GB5333773A priority Critical patent/GB1397348A/en
Publication of GB1397348A publication Critical patent/GB1397348A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium
    • 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
    • C03C4/00—Compositions for glass with special properties
    • C03C4/08—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
    • C03C4/087—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths for X-rays absorbing glass

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)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

1397348 X-ray absorbing glass ASAHI GLASS CO Ltd 16 Nov 1973 53337/73 Heading C1M A glass (which has an X-ray absorption coefficient of at least 100 cm. - <SP>1</SP> at a wavelength of 0À6 A) consists essentially of, in per cent by weight The glass, which may be used as the neck portion of a television tube, preferably has the following properties: softening point 600- 700‹ C.; annealing point 430-530‹ C. ; strain point 390-490‹ C.; and coefficient of thermal expansion 90-100 Î 10<SP>-7</SP> degrees C.<SP>-1</SP>.
GB5333773A 1973-11-16 1973-11-16 X-ray absorbing glass Expired GB1397348A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5333773A GB1397348A (en) 1973-11-16 1973-11-16 X-ray absorbing glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5333773A GB1397348A (en) 1973-11-16 1973-11-16 X-ray absorbing glass

Publications (1)

Publication Number Publication Date
GB1397348A true GB1397348A (en) 1975-06-11

Family

ID=10467428

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5333773A Expired GB1397348A (en) 1973-11-16 1973-11-16 X-ray absorbing glass

Country Status (1)

Country Link
GB (1) GB1397348A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192718A (en) * 1991-10-24 1993-03-09 Corning Incorporated Lead silicate glasses
EP1227068A1 (en) * 2000-12-25 2002-07-31 Nippon Electric Glass Co., Ltd Crt funnel of a non beam-index type

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192718A (en) * 1991-10-24 1993-03-09 Corning Incorporated Lead silicate glasses
EP0538568A1 (en) * 1991-10-24 1993-04-28 Corning Incorporated Lead silicate glasses
EP1227068A1 (en) * 2000-12-25 2002-07-31 Nippon Electric Glass Co., Ltd Crt funnel of a non beam-index type
US6642163B2 (en) 2000-12-25 2003-11-04 Nippon Electric Glass Co., Ltd. CRT funnel of a non beam-index type

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921116