GB2328937B - Lead-free optical barium flint glass - Google Patents

Lead-free optical barium flint glass

Info

Publication number
GB2328937B
GB2328937B GB9818277A GB9818277A GB2328937B GB 2328937 B GB2328937 B GB 2328937B GB 9818277 A GB9818277 A GB 9818277A GB 9818277 A GB9818277 A GB 9818277A GB 2328937 B GB2328937 B GB 2328937B
Authority
GB
United Kingdom
Prior art keywords
lead
flint glass
free optical
barium flint
optical barium
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 - Fee Related
Application number
GB9818277A
Other versions
GB9818277D0 (en
GB2328937A (en
Inventor
Uwe Kolberg
Alwin Weitzel
Magdalena Winkler-Trudewig
Monica Geirke
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Publication of GB9818277D0 publication Critical patent/GB9818277D0/en
Publication of GB2328937A publication Critical patent/GB2328937A/en
Application granted granted Critical
Publication of GB2328937B publication Critical patent/GB2328937B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C03C3/089—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
    • 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

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)
GB9818277A 1997-09-03 1998-08-24 Lead-free optical barium flint glass Expired - Fee Related GB2328937B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1997138428 DE19738428C1 (en) 1997-09-03 1997-09-03 New lead-free barium flint glass

Publications (3)

Publication Number Publication Date
GB9818277D0 GB9818277D0 (en) 1998-10-14
GB2328937A GB2328937A (en) 1999-03-10
GB2328937B true GB2328937B (en) 2001-05-30

Family

ID=7841026

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9818277A Expired - Fee Related GB2328937B (en) 1997-09-03 1998-08-24 Lead-free optical barium flint glass

Country Status (6)

Country Link
JP (1) JP4213264B2 (en)
CN (1) CN1216822C (en)
DE (1) DE19738428C1 (en)
FR (1) FR2767814B1 (en)
GB (1) GB2328937B (en)
MY (1) MY124577A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4053810B2 (en) * 2002-04-18 2008-02-27 株式会社オハラ Optical glass with anomalous dispersion
CN104003615A (en) * 2013-02-25 2014-08-27 成都光明光电股份有限公司 Environmentally friendly optical glass, glass preform, optical element and optical instrument
CN105819683B (en) * 2016-03-04 2019-12-03 成都光明光电股份有限公司 Environmental protection optical glass and optical element
CN110228945A (en) * 2019-06-28 2019-09-13 成都光明光电股份有限公司 A kind of optical glass and its gas preform, element and instrument
CN111320382A (en) * 2020-03-06 2020-06-23 成都光明光电股份有限公司 Optical glass
CN111533443B (en) * 2020-05-27 2022-04-15 成都光明光电股份有限公司 Optical glass

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06107426A (en) * 1992-09-25 1994-04-19 Ohara Inc Optical glass

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE23049E (en) * 1946-08-19 1948-11-23 Ophthalmic glass
US2523265A (en) * 1947-11-28 1950-09-26 Corning Glass Works Ophthalmic glass
US2523266A (en) * 1948-11-22 1950-09-26 Corning Glass Works Ophthalmic glass
GB812576A (en) * 1956-09-10 1959-04-29 Pittsburgh Plate Glass Co Improvements in or relating to glass composition
US3460954A (en) * 1964-05-21 1969-08-12 Bendix Corp Bao-nb2o5-sio2 glass compositions for use in fiber-optics
JPS5953223B2 (en) * 1979-10-23 1984-12-24 ホ−ヤ株式会社 glass for eyeglass lenses
JPS5673646A (en) * 1979-11-22 1981-06-18 Ohara Inc Optical glass
SU975617A1 (en) * 1981-03-16 1982-11-23 Предприятие П/Я Р-6681 Optical glass
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
JPS60221338A (en) * 1984-04-12 1985-11-06 Ohara Inc Optical glass
JPS60264343A (en) * 1984-06-12 1985-12-27 Hoya Corp Face plate glass for image pick-up tube
JPH01133956A (en) * 1987-11-20 1989-05-26 Canon Inc Glass composition for distributed refractive index lens
JP2535407B2 (en) * 1989-05-31 1996-09-18 ホーヤ株式会社 Optical glass
JP2747938B2 (en) * 1990-08-03 1998-05-06 株式会社オハラ Glass for resin filling
JP2795326B2 (en) * 1991-04-05 1998-09-10 株式会社オハラ Optical glass
JP2565813B2 (en) * 1991-07-05 1996-12-18 株式会社オハラ Optical glass
JP2948013B2 (en) * 1992-03-05 1999-09-13 東洋機械金属株式会社 Hot water supply control method for die casting machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06107426A (en) * 1992-09-25 1994-04-19 Ohara Inc Optical glass

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WPI abstract 94-163744 & JP 06 107 426 A *

Also Published As

Publication number Publication date
CN1214324A (en) 1999-04-21
MY124577A (en) 2006-06-30
JPH11171586A (en) 1999-06-29
JP4213264B2 (en) 2009-01-21
DE19738428C1 (en) 1998-08-20
CN1216822C (en) 2005-08-31
GB9818277D0 (en) 1998-10-14
FR2767814B1 (en) 2000-06-23
FR2767814A1 (en) 1999-03-05
GB2328937A (en) 1999-03-10

Similar Documents

Publication Publication Date Title
GB2342918B (en) Lead-free optical glasses
GB2349639B (en) Lead-free optical glasses
AU5197898A (en) Optical glass
GB2317611B (en) Heat-resistant glass composition
GB9616442D0 (en) Oxygen-fuel burner
HK1016960A1 (en) An essential transporent non-photochromic glass
DE69830101D1 (en) Dark green soda-lime glass
EP1037074A4 (en) Dispersion-shifted optical fiber
GB9713169D0 (en) Glass frit
GB2320023B (en) Lead-free crown glass
EP1028329A4 (en) Dispersion-shifted optical fiber
GB2338954B (en) Lead-free optical glasses
GB2356861B (en) Lead-free optical light flint glass materials
GB2350360A8 (en) Lead-free optical glasses
GB2328937B (en) Lead-free optical barium flint glass
EP1178019A4 (en) Optical glass
GB2321640B (en) Lead-free dense and extra-dense optical barium crown glass
HUP9600690A3 (en) Blue high silica glass
EP1001914A4 (en) Glass composition and optical device made therefrom
GB2290080B (en) Glass forehearth
PL308841A1 (en) Oxygen-fuel burner
GB2318576B (en) Lead-free optical light flint and double-light flint glasses
HUT74862A (en) Glass
FR2746094B1 (en) LEAD-FREE CROWN-FLINT GLASS
DE29704072U1 (en) Glass melting furnace

Legal Events

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

Effective date: 20060824