GB9914153D0 - Lead-free optical glasses - Google Patents

Lead-free optical glasses

Info

Publication number
GB9914153D0
GB9914153D0 GBGB9914153.3A GB9914153A GB9914153D0 GB 9914153 D0 GB9914153 D0 GB 9914153D0 GB 9914153 A GB9914153 A GB 9914153A GB 9914153 D0 GB9914153 D0 GB 9914153D0
Authority
GB
United Kingdom
Prior art keywords
lead
optical glasses
free optical
free
glasses
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.)
Granted
Application number
GBGB9914153.3A
Other versions
GB2338954A (en
GB2338954B (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.)
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 GB9914153D0 publication Critical patent/GB9914153D0/en
Publication of GB2338954A publication Critical patent/GB2338954A/en
Application granted granted Critical
Publication of GB2338954B publication Critical patent/GB2338954B/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
    • C03C3/11—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
    • C03C3/115—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine 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

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)
GB9914153A 1998-06-29 1999-06-18 Lead-free optical glasses Expired - Fee Related GB2338954B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1998128992 DE19828992C1 (en) 1998-06-29 1998-06-29 Lead-free optical glass of barium light flint glass, barium crown glass, crown glass, crown flint glass or boron crown glass type

Publications (3)

Publication Number Publication Date
GB9914153D0 true GB9914153D0 (en) 1999-08-18
GB2338954A GB2338954A (en) 2000-01-12
GB2338954B GB2338954B (en) 2001-10-17

Family

ID=7872399

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9914153A Expired - Fee Related GB2338954B (en) 1998-06-29 1999-06-18 Lead-free optical glasses

Country Status (6)

Country Link
JP (1) JP4213301B2 (en)
CN (1) CN1121987C (en)
DE (1) DE19828992C1 (en)
FR (1) FR2780395B1 (en)
GB (1) GB2338954B (en)
MY (1) MY119592A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE352526T1 (en) * 2000-06-05 2007-02-15 Ohara Kk OPTICAL GLASSES THAT ARE MOST STABLE UNDER OPERATING CONDITIONS WITH UV EXPOSURE IN RESPECT OF THEIR REFRACTIVE INDEX
DE102005005994B4 (en) * 2005-02-09 2009-05-07 Schott Ag Lead- and arsenic-free optical heavy-duty glasses
JP2008233547A (en) * 2007-03-20 2008-10-02 Hoya Corp Lens glass material for on-vehicle camera and lens for on-vehicle camera
CN104402217B (en) * 2014-11-11 2016-08-31 湖北新华光信息材料有限公司 Optical glass
CN104445928B (en) * 2014-11-11 2018-10-26 湖北新华光信息材料有限公司 A kind of light flint
CN106032308B (en) * 2015-03-13 2019-06-04 成都光明光电股份有限公司 Environmental protection optical glass and optical element
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
CN105859131B (en) * 2016-06-21 2019-04-02 成都光明光电股份有限公司 Crown optical glass
CN107140824B (en) * 2017-07-03 2019-07-30 成都光明光电股份有限公司 Flint optical glass with heavy lanthanum
CN111423111B (en) * 2020-05-27 2022-04-15 成都光明光电股份有限公司 Glass material

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973350C (en) * 1940-06-10 1960-01-28 Jenaer Glaswerk Schott & Gen Optical silicate glasses with a refractive index that is low in relation to the mean dispersion or the ª † value
US2523265A (en) * 1947-11-28 1950-09-26 Corning Glass Works Ophthalmic glass
BE551389A (en) * 1956-09-10
GB812576A (en) * 1956-09-10 1959-04-29 Pittsburgh Plate Glass Co Improvements in or relating to glass composition
DE2621741C3 (en) * 1976-05-15 1979-06-28 Jenaer Glaswerk Schott & Gen., 6500 Mainz Glasses containing cadmium for filters with partial absorption edges in the wavelength range λ
JPS5560040A (en) * 1978-10-26 1980-05-06 Nippon Sheet Glass Co Ltd Light transmission body with superior water resistance
FR2558152B1 (en) * 1984-01-13 1992-03-27 Corning Glass Works LOW DENSITY OPHTHALMIC LENSES, ABSORBING ULTRAVIOLET RADIATION AND HAVING HIGH TRANSMISSION INTO THE VISIBLE AND CORRECTIVE LENSES MADE OF SUCH LENSES
JPH0654249B2 (en) * 1988-01-29 1994-07-20 株式会社日立製作所 Hot wire air flow meter
JPH05245616A (en) * 1992-03-05 1993-09-24 Nippon Steel Corp Method for casting steel using tube having locally different diameter
JP3668900B2 (en) * 1994-07-22 2005-07-06 株式会社オハラ Optical glass without solarization
US5523265A (en) * 1995-05-04 1996-06-04 Owens-Corning Fiberglas Technology, Inc. Glass compositions and fibers therefrom
DE19609735C2 (en) * 1996-03-13 1998-01-29 Schott Glaswerke Lead-free Kronflintgläser
DE19650692C2 (en) * 1996-12-06 1999-01-14 Schott Glas Lead-free crown glasses

Also Published As

Publication number Publication date
JP4213301B2 (en) 2009-01-21
GB2338954A (en) 2000-01-12
JP2000053441A (en) 2000-02-22
CN1121987C (en) 2003-09-24
GB2338954B (en) 2001-10-17
FR2780395B1 (en) 2002-09-27
MY119592A (en) 2005-06-30
DE19828992C1 (en) 1999-10-07
CN1241543A (en) 2000-01-19
FR2780395A1 (en) 1999-12-31

Similar Documents

Publication Publication Date Title
GB2342918B (en) Lead-free optical glasses
GB2349639B (en) Lead-free optical glasses
AU136238S (en) Eyewear
TW351459U (en) Novel glasses with replaceable lens
TW454885U (en) Eye glasses
IL135445A0 (en) Optical lens
GB2338954B (en) Lead-free optical glasses
GB2350360A8 (en) Lead-free optical glasses
EP1178019A4 (en) Optical glass
EP1076247A4 (en) Optical part
AU138172S (en) Eyeglasses
GB2377436B (en) Lead-free optical glasses
EP1069446A4 (en) Optical part
GB2343263B (en) Eyewear
EP1069445A4 (en) Optical part
GB9827602D0 (en) Optical equaliser
AU1510499A (en) Glasses
EP1061385A4 (en) Optical part
TW366105U (en) Glasses structure for single lens
AU136937S (en) Eyewear lens
TW318560U (en) Foldable-portable spectacle glasses
TW377829U (en) Glasses
GB9809498D0 (en) Spectacle lens
CA84646S (en) Eyewear
CA84645S (en) Eyewear

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100618