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GB776784A - Glass compositions - Google Patents

Glass compositions

Info

Publication number
GB776784A
GB776784A GB1360654A GB1360654A GB776784A GB 776784 A GB776784 A GB 776784A GB 1360654 A GB1360654 A GB 1360654A GB 1360654 A GB1360654 A GB 1360654A GB 776784 A GB776784 A GB 776784A
Authority
GB
United Kingdom
Prior art keywords
weight
glass
teo
per cent
glass compositions
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
GB1360654A
Inventor
Alan Edward Dale
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Priority to GB1360654A priority Critical patent/GB776784A/en
Publication of GB776784A publication Critical patent/GB776784A/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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/253—Silica-free oxide glass compositions containing germanium
    • 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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/14—Silica-free oxide glass compositions containing boron
    • C03C3/142—Silica-free oxide glass compositions containing boron containing lead

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)

Abstract

776,784. Glass. BRITISH THOMSONHOUSTON CO., Ltd. May 2, 1955 [May 10, 1954], No. 13606/54. Class 56 Substantially silica - free, tellurium dioxide containing glasses for absorbing X- rays consist of at least 80 per cent by weight of glass-forming tellurium dioxide and at least one other oxide of a metal having an atomic weight of more than 110, and riot more than 20 per cent by weight of glassforming oxides, other than TeO 2 , such as GeO 2 and B 2 O 3 Particular ranges comprise (percentages by weight):- TeO 2 2-20; PbO 50-90; Bi 2 O 3 0-25; CdO 0-10; B 2 O 3 0-10 and Ge 2 O 2 0-10. Specification 736,073 is referred to.
GB1360654A 1954-05-10 1954-05-10 Glass compositions Expired GB776784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1360654A GB776784A (en) 1954-05-10 1954-05-10 Glass compositions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1360654A GB776784A (en) 1954-05-10 1954-05-10 Glass compositions

Publications (1)

Publication Number Publication Date
GB776784A true GB776784A (en) 1957-06-12

Family

ID=10026091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1360654A Expired GB776784A (en) 1954-05-10 1954-05-10 Glass compositions

Country Status (1)

Country Link
GB (1) GB776784A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430206A1 (en) * 1989-11-28 1991-06-05 Matsushita Electric Industrial Co., Ltd. Sealing glass
US5245492A (en) * 1989-11-28 1993-09-14 Matsushita Electric Industrial Co., Ltd. Magnetic head
CN113979634A (en) * 2021-12-02 2022-01-28 北方工业大学 A new type of X-ray radiation protection special glass and preparation method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430206A1 (en) * 1989-11-28 1991-06-05 Matsushita Electric Industrial Co., Ltd. Sealing glass
US5245492A (en) * 1989-11-28 1993-09-14 Matsushita Electric Industrial Co., Ltd. Magnetic head
CN113979634A (en) * 2021-12-02 2022-01-28 北方工业大学 A new type of X-ray radiation protection special glass and preparation method

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