FR2780395B1 - LEAD FREE OPTICAL GLASSES WITH A REFRACTION INDEX BETWEEN 1.50 AND 1.56 AND A NUMBER OF ABBE INCLUDED BETWEEN 50 AND 64 - Google Patents

LEAD FREE OPTICAL GLASSES WITH A REFRACTION INDEX BETWEEN 1.50 AND 1.56 AND A NUMBER OF ABBE INCLUDED BETWEEN 50 AND 64

Info

Publication number
FR2780395B1
FR2780395B1 FR9907999A FR9907999A FR2780395B1 FR 2780395 B1 FR2780395 B1 FR 2780395B1 FR 9907999 A FR9907999 A FR 9907999A FR 9907999 A FR9907999 A FR 9907999A FR 2780395 B1 FR2780395 B1 FR 2780395B1
Authority
FR
France
Prior art keywords
abbe
refraction index
optical glasses
lead free
free optical
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
FR9907999A
Other languages
French (fr)
Other versions
FR2780395A1 (en
Inventor
Uwe Kolberg
Monika Gierke
Trudewig Magdalena Winkler
Alwin Weitzel
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.)
Schott AG
Original Assignee
Schott Glaswerke 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 Schott Glaswerke AG filed Critical Schott Glaswerke AG
Publication of FR2780395A1 publication Critical patent/FR2780395A1/en
Application granted granted Critical
Publication of FR2780395B1 publication Critical patent/FR2780395B1/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)
FR9907999A 1998-06-29 1999-06-23 LEAD FREE OPTICAL GLASSES WITH A REFRACTION INDEX BETWEEN 1.50 AND 1.56 AND A NUMBER OF ABBE INCLUDED BETWEEN 50 AND 64 Expired - Fee Related FR2780395B1 (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 (2)

Publication Number Publication Date
FR2780395A1 FR2780395A1 (en) 1999-12-31
FR2780395B1 true FR2780395B1 (en) 2002-09-27

Family

ID=7872399

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9907999A Expired - Fee Related FR2780395B1 (en) 1998-06-29 1999-06-23 LEAD FREE OPTICAL GLASSES WITH A REFRACTION INDEX BETWEEN 1.50 AND 1.56 AND A NUMBER OF ABBE INCLUDED BETWEEN 50 AND 64

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
DE60126186T2 (en) * 2000-06-05 2007-11-15 Kabushiki Kaisha Ohara, Sagamihara Optical glasses which are as stable as possible under UV exposure conditions with respect to 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
CN110128007B (en) * 2017-07-03 2022-07-15 成都光明光电股份有限公司 Heavy lanthanum flint optical glass
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
GB812576A (en) * 1956-09-10 1959-04-29 Pittsburgh Plate Glass Co Improvements in or relating to glass composition
BE551389A (en) * 1956-09-10
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
MY119592A (en) 2005-06-30
GB2338954A (en) 2000-01-12
JP4213301B2 (en) 2009-01-21
GB9914153D0 (en) 1999-08-18
DE19828992C1 (en) 1999-10-07
FR2780395A1 (en) 1999-12-31
GB2338954B (en) 2001-10-17
JP2000053441A (en) 2000-02-22
CN1241543A (en) 2000-01-19
CN1121987C (en) 2003-09-24

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20080229