GB804106A - Improvements in or relating to glass compositions - Google Patents

Improvements in or relating to glass compositions

Info

Publication number
GB804106A
GB804106A GB2762956A GB2762956A GB804106A GB 804106 A GB804106 A GB 804106A GB 2762956 A GB2762956 A GB 2762956A GB 2762956 A GB2762956 A GB 2762956A GB 804106 A GB804106 A GB 804106A
Authority
GB
United Kingdom
Prior art keywords
glass
relating
glass compositions
zno
sept
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
Application number
GB2762956A
Other languages
English (en)
Inventor
James Earle Duncan
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.)
PPG Industries Inc
Original Assignee
Pittsburgh Plate Glass Co
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
Priority to DENDAT1050965D priority Critical patent/DE1050965B/de
Priority to BE551391D priority patent/BE551391A/xx
Application filed by Pittsburgh Plate Glass Co filed Critical Pittsburgh Plate Glass Co
Priority to GB2762956A priority patent/GB804106A/en
Priority to CH353135D priority patent/CH353135A/fr
Publication of GB804106A publication Critical patent/GB804106A/en
Expired 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
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; 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)
GB2762956A 1956-09-10 1956-09-10 Improvements in or relating to glass compositions Expired GB804106A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DENDAT1050965D DE1050965B (xx) 1956-09-10
BE551391D BE551391A (xx) 1956-09-10
GB2762956A GB804106A (en) 1956-09-10 1956-09-10 Improvements in or relating to glass compositions
CH353135D CH353135A (fr) 1956-09-10 1956-09-26 Verre

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
GB804106A true GB804106A (en) 1958-11-05

Family

ID=10262718

Family Applications (1)

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

Country Status (4)

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

Cited By (3)

* 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
US6524756B1 (en) 1996-10-31 2003-02-25 Canyon Materials, Inc. Gray scale all-glass photomasks
US6562523B1 (en) 1996-10-31 2003-05-13 Canyon Materials, Inc. Direct write all-glass photomask blanks

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0553586T3 (da) * 1992-02-19 1994-04-18 Baccarat Cristalleries Blyfri krystalglas-sammensætning
DE19609735C2 (de) * 1996-03-13 1998-01-29 Schott Glaswerke Bleifreie Kronflintgläser
DE19650692C2 (de) * 1996-12-06 1999-01-14 Schott Glas Bleifreie Krongläser

Cited By (3)

* 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
US6524756B1 (en) 1996-10-31 2003-02-25 Canyon Materials, Inc. Gray scale all-glass photomasks
US6562523B1 (en) 1996-10-31 2003-05-13 Canyon Materials, Inc. Direct write all-glass photomask blanks

Also Published As

Publication number Publication date
CH353135A (fr) 1961-03-31
DE1050965B (xx) 1959-02-19
BE551391A (xx)

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