BE551391A - - Google Patents

Info

Publication number
BE551391A
BE551391A BE551391DA BE551391A BE 551391 A BE551391 A BE 551391A BE 551391D A BE551391D A BE 551391DA BE 551391 A BE551391 A BE 551391A
Authority
BE
Belgium
Application number
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.)
Publication of BE551391A publication Critical patent/BE551391A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/076Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/078Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/076Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive

Landscapes

  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)
BE551391D 1956-09-10 BE551391A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2762956A GB804106A (en) 1956-09-10 1956-09-10 Improvements in or relating to glass compositions

Publications (1)

Publication Number Publication Date
BE551391A true BE551391A (xx)

Family

ID=10262718

Family Applications (1)

Application Number Title Priority Date Filing Date
BE551391D BE551391A (xx) 1956-09-10

Country Status (4)

Country Link
BE (1) BE551391A (xx)
CH (1) CH353135A (xx)
DE (1) DE1050965B (xx)
GB (1) GB804106A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894303A (en) * 1983-06-24 1990-01-16 Canyon Materials Research & Engineering High energy beam-sensitive glasses
DE69200011T2 (de) * 1992-02-19 1994-03-03 Baccarat Cristalleries Bleifreie Kristallglaszusammensetzung.
DE19609735C2 (de) * 1996-03-13 1998-01-29 Schott Glaswerke Bleifreie Kronflintgläser
US20020019305A1 (en) 1996-10-31 2002-02-14 Che-Kuang Wu Gray scale all-glass photomasks
US6562523B1 (en) 1996-10-31 2003-05-13 Canyon Materials, Inc. Direct write all-glass photomask blanks
DE19650692C2 (de) * 1996-12-06 1999-01-14 Schott Glas Bleifreie Krongläser

Also Published As

Publication number Publication date
DE1050965B (xx) 1959-02-19
CH353135A (fr) 1961-03-31
GB804106A (en) 1958-11-05

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