JPS51134708A - Glass as inside material for adhering to known optically relieving outside glass aiming at glass for multiifocusing eye glasses - Google Patents

Glass as inside material for adhering to known optically relieving outside glass aiming at glass for multiifocusing eye glasses

Info

Publication number
JPS51134708A
JPS51134708A JP3832176A JP3832176A JPS51134708A JP S51134708 A JPS51134708 A JP S51134708A JP 3832176 A JP3832176 A JP 3832176A JP 3832176 A JP3832176 A JP 3832176A JP S51134708 A JPS51134708 A JP S51134708A
Authority
JP
Japan
Prior art keywords
glass
multiifocusing
relieving
adhering
aiming
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
JP3832176A
Other languages
Japanese (ja)
Other versions
JPS569458B2 (en
Inventor
Fuauruteitsuhi Maruga
Guriimerooto Georuku
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
Jenaer Glaswerk Schott and Gen
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 Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Publication of JPS51134708A publication Critical patent/JPS51134708A/en
Publication of JPS569458B2 publication Critical patent/JPS569458B2/ja
Granted 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
    • C03C4/00—Compositions for glass with special properties
    • C03C4/04—Compositions for glass with special properties for photosensitive glass
    • C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
    • 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
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
    • C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
    • C03C3/074—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron containing 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)
  • Eyeglasses (AREA)
JP3832176A 1975-05-07 1976-04-07 Glass as inside material for adhering to known optically relieving outside glass aiming at glass for multiifocusing eye glasses Granted JPS51134708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752520260 DE2520260C3 (en) 1975-05-07 1975-05-07 Phototropic glass, suitable as a near-part material for fusing with photochromic far-part glasses, based on an optical glass of the SiO2 -B2 O3 -Al2 O3 -La2 O3 - (ZnO) system

Publications (2)

Publication Number Publication Date
JPS51134708A true JPS51134708A (en) 1976-11-22
JPS569458B2 JPS569458B2 (en) 1981-03-02

Family

ID=5945941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3832176A Granted JPS51134708A (en) 1975-05-07 1976-04-07 Glass as inside material for adhering to known optically relieving outside glass aiming at glass for multiifocusing eye glasses

Country Status (6)

Country Link
JP (1) JPS51134708A (en)
AT (1) AT349670B (en)
DE (1) DE2520260C3 (en)
FR (1) FR2333758A2 (en)
GB (1) GB1501820A (en)
IT (1) IT1058047B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57183336A (en) * 1981-04-29 1982-11-11 Jenaer Glaswerk Schott & Gen Light reversible color-changing glass having more than refractive index 1.59, more than abbe's number 40 and less than density 3.2 g/cm3

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211569A (en) * 1979-03-09 1980-07-08 Corning Glass Works High index ophthalmic glasses
DE3032580C2 (en) * 1980-08-29 1984-09-13 Deutsche Spezialglas Ag, 3223 Delligsen Phototropic multilayer glass and process for its manufacture
JP4907850B2 (en) * 2003-06-11 2012-04-04 日本特殊陶業株式会社 Low-temperature fired dielectric ceramic composition and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57183336A (en) * 1981-04-29 1982-11-11 Jenaer Glaswerk Schott & Gen Light reversible color-changing glass having more than refractive index 1.59, more than abbe's number 40 and less than density 3.2 g/cm3

Also Published As

Publication number Publication date
DE2520260B2 (en) 1977-11-10
DE2520260C3 (en) 1978-07-13
JPS569458B2 (en) 1981-03-02
ATA94576A (en) 1978-09-15
FR2333758A2 (en) 1977-07-01
IT1058047B (en) 1982-04-10
FR2333758B2 (en) 1979-07-13
AT349670B (en) 1979-04-25
DE2520260A1 (en) 1976-11-18
GB1501820A (en) 1978-02-22

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