GB2029401B - Optical glass for optical paths - Google Patents

Optical glass for optical paths

Info

Publication number
GB2029401B
GB2029401B GB7928654A GB7928654A GB2029401B GB 2029401 B GB2029401 B GB 2029401B GB 7928654 A GB7928654 A GB 7928654A GB 7928654 A GB7928654 A GB 7928654A GB 2029401 B GB2029401 B GB 2029401B
Authority
GB
United Kingdom
Prior art keywords
optical
paths
glass
optical glass
optical paths
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
GB7928654A
Other versions
GB2029401A (en
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.)
Sumita Optical Glass Inc
Original Assignee
Sumita Optical Glass Manufacturing 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 Sumita Optical Glass Manufacturing Co Ltd filed Critical Sumita Optical Glass Manufacturing Co Ltd
Priority to GB7928654A priority Critical patent/GB2029401B/en
Publication of GB2029401A publication Critical patent/GB2029401A/en
Application granted granted Critical
Publication of GB2029401B publication Critical patent/GB2029401B/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
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • 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
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • 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
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • 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
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
GB7928654A 1979-08-16 1979-08-16 Optical glass for optical paths Expired GB2029401B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7928654A GB2029401B (en) 1979-08-16 1979-08-16 Optical glass for optical paths

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7928654A GB2029401B (en) 1979-08-16 1979-08-16 Optical glass for optical paths

Publications (2)

Publication Number Publication Date
GB2029401A GB2029401A (en) 1980-03-19
GB2029401B true GB2029401B (en) 1983-01-06

Family

ID=10507265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7928654A Expired GB2029401B (en) 1979-08-16 1979-08-16 Optical glass for optical paths

Country Status (1)

Country Link
GB (1) GB2029401B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381347A (en) * 1979-05-09 1983-04-26 Oy Partek Ab Fibre glass composition
DE3139212A1 (en) * 1981-10-02 1983-04-21 Schott Glaswerke, 6500 Mainz OPTICAL AND OPHTHALMIC GLASS WITH BREAKING VALUES ND> = 1.58, PAY DOWN> = 45 AND SEALS <= 2.75 G / CM (ARROW HIGH) 3 (ARROW HIGH)
GB2115403B (en) * 1982-02-20 1985-11-27 Zeiss Stiftung Optical and opthalmic glass
US4444893A (en) * 1982-06-11 1984-04-24 Schott Glass Technologies, Inc. Highly refractive, low dispersion, low density optical glass suitable for corrective lenses
HUP9600148A3 (en) * 1996-01-24 1999-01-28 Gen Electric Company Cleveland Glass composition
GB2310663A (en) * 1996-02-29 1997-09-03 British Tech Group Organic polyacid/base reaction cement
EP0883586B1 (en) * 1996-02-29 2000-02-02 Btg International Limited Cement obtainable from the reaction of organic polyacids with a base
DE19650692C2 (en) * 1996-12-06 1999-01-14 Schott Glas Lead-free crown glasses
US5843855A (en) * 1997-01-15 1998-12-01 General Electric Company Glass

Also Published As

Publication number Publication date
GB2029401A (en) 1980-03-19

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990815