MY133265A - Lead-free crown glass - Google Patents

Lead-free crown glass

Info

Publication number
MY133265A
MY133265A MYPI9705065A MY133265A MY 133265 A MY133265 A MY 133265A MY PI9705065 A MYPI9705065 A MY PI9705065A MY 133265 A MY133265 A MY 133265A
Authority
MY
Malaysia
Prior art keywords
lead
crown glass
free crown
free
na2o
Prior art date
Application number
Inventor
Marc Dr Clement
Volkmar Geiler
Original Assignee
Schott 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 Ag filed Critical Schott Ag
Publication of MY133265A publication Critical patent/MY133265A/en

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
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc

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

A DESCRIPTION IS GIVEN OF LEAD-FREE CROWN GLASS HAVING THE OPTICAL PROPERTIES ND OF BETWEEN 1.49 AND 1.54 AND VD OF BETWEEN 55 AND 62 AND HAVING THE FOLLOWING COMPOSITION (IN BY WEIGHT BASED ON OXIDES) : SIO2 60 - 75, B2O3 - 8; NA2O 0- 25 WITH NA2O + K2O 12- 25, CAO 0 - <5, ZNO 3 - 15, TIO2 0 - <1 AND ZRO2 0 - 3.
MYPI9705065 1996-12-06 1997-10-27 Lead-free crown glass MY133265A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996150692 DE19650692C2 (en) 1996-12-06 1996-12-06 Lead-free crown glasses

Publications (1)

Publication Number Publication Date
MY133265A true MY133265A (en) 2007-10-31

Family

ID=7813862

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI9705065 MY133265A (en) 1996-12-06 1997-10-27 Lead-free crown glass

Country Status (6)

Country Link
JP (1) JP4412747B2 (en)
CN (1) CN1269754C (en)
DE (1) DE19650692C2 (en)
FR (1) FR2756821B1 (en)
GB (1) GB2320023B (en)
MY (1) MY133265A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7329886B2 (en) 1998-05-05 2008-02-12 Carl Zeiss Smt Ag EUV illumination system having a plurality of light sources for illuminating an optical element
DE19828992C1 (en) * 1998-06-29 1999-10-07 Schott Glas Lead-free optical glass of barium light flint glass, barium crown glass, crown glass, crown flint glass or boron crown glass type
DE10031431B4 (en) * 2000-06-28 2008-03-13 Ivoclar Vivadent Ag Deep-sintering potassium-zinc-silicate glass and its use
US6626986B2 (en) 2000-06-28 2003-09-30 Ivoclar Vivadent Ag Low-temperature-sintering potassium-zinc-silicate glass
DE10031430A1 (en) * 2000-06-28 2002-01-17 Ivoclar Vivadent Ag Deep-sintered apatite glass-ceramic
US6620747B2 (en) 2000-06-28 2003-09-16 Ivoclar Vivadent Ag Low temperature-sintering apatite glass ceramic
DE10256629B3 (en) 2002-12-03 2004-02-19 Schott Glas Optical glass for an optical element in imaging, projection, telecommunications, optical communication engineering and/or in laser technology comprises oxides of silicon, boron, aluminum, sodium and potassium
US7572746B2 (en) * 2003-09-09 2009-08-11 Kabushiki Kaisha Ohara Optical glass
CN1982244B (en) * 2005-12-16 2010-10-27 王瑛 Health-care fluorescent-lamp tube glass against osteoporosis
DE102007044756A1 (en) 2007-09-19 2009-04-09 Robert Bosch Gmbh Yaw moment adjusting method for e.g. car, involves calculating additional steering angle based on detection of pressure loss in tire, and reverting regulating or controlling device for calculation of angle on cause-effect relationships
CN105271724A (en) * 2015-10-22 2016-01-27 成都光明光电股份有限公司 Optical glass and optical element
WO2018139167A1 (en) * 2017-01-25 2018-08-02 日本電気硝子株式会社 Optical glass lens
JP7398185B2 (en) * 2017-01-25 2023-12-14 日本電気硝子株式会社 optical glass lens

Family Cites Families (19)

* 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
BE551391A (en) * 1956-09-10
US3094423A (en) * 1960-09-30 1963-06-18 Bausch & Lomb Neutral colored glass composition
BE757012A (en) * 1969-10-03 1971-04-02 Philips Nv GLASS FOR CATHODIC RAY TUBES USED FOR THE REPRODUCTION OF TELEVISION IMAGES
GB1475500A (en) * 1973-12-06 1977-06-01 Pilkington Brothers Ltd Ophthalmic glass compositions
US4012131A (en) * 1975-08-20 1977-03-15 American Optical Corporation High strength ophthalmic lens
GB2029401B (en) * 1979-08-16 1983-01-06 Sumita Optical Glass Mfg Co Lt Optical glass for optical paths
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
JPH01133956A (en) * 1987-11-20 1989-05-26 Canon Inc Glass composition for distributed refractive index lens
JPH01201043A (en) * 1988-02-05 1989-08-14 Eta G K:Kk High-strength glass
JPH01239036A (en) * 1988-03-16 1989-09-25 F G K:Kk High-strength glass
JPH03183638A (en) * 1989-12-11 1991-08-09 Nippon Electric Glass Co Ltd Glass for sealing stainless steel
JP2795326B2 (en) * 1991-04-05 1998-09-10 株式会社オハラ Optical glass
CZ278892B6 (en) * 1991-05-08 1994-08-17 Vysoka Skola Chem Tech Lead-free crystal glass
ES2092707T3 (en) * 1992-04-10 1996-12-01 Schott Glaswerke GLASS GLASS FREE OF LEAD AND NEIGHBORHOOD WITH HIGH LIGHT TRANSMISSION.
DE4303474C2 (en) * 1992-04-10 1995-10-26 Schott Glaswerke Lead- and barium-free crystal glass with high light transmission
DE4309701C1 (en) * 1993-03-25 1994-06-30 Schott Glaswerke Lead-free crystal glass having solarisation resistance
FR2713622B1 (en) * 1993-12-10 1996-03-01 Corning Vitro Corp Glasses not containing lead and having the characteristics of crystal.
FR2728557A1 (en) * 1994-12-27 1996-06-28 Corning France NEW LENSES AND OPHTHALMIC LENSES

Also Published As

Publication number Publication date
DE19650692C2 (en) 1999-01-14
JP4412747B2 (en) 2010-02-10
GB2320023B (en) 2000-10-04
GB2320023A (en) 1998-06-10
DE19650692A1 (en) 1998-06-10
JPH10167753A (en) 1998-06-23
CN1186051A (en) 1998-07-01
CN1269754C (en) 2006-08-16
GB9720753D0 (en) 1997-12-03
FR2756821A1 (en) 1998-06-12
FR2756821B1 (en) 1999-12-10

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