IT1111419B - Vetro ad elevato indice di rifrazione e bassa densita - Google Patents

Vetro ad elevato indice di rifrazione e bassa densita

Info

Publication number
IT1111419B
IT1111419B IT68558/78A IT6855878A IT1111419B IT 1111419 B IT1111419 B IT 1111419B IT 68558/78 A IT68558/78 A IT 68558/78A IT 6855878 A IT6855878 A IT 6855878A IT 1111419 B IT1111419 B IT 1111419B
Authority
IT
Italy
Prior art keywords
low density
refraction index
high refraction
density glass
glass
Prior art date
Application number
IT68558/78A
Other languages
English (en)
Italian (it)
Other versions
IT7868558A0 (it
Inventor
Henri Jules Meyer
Jean Emile Boudot
Original Assignee
Corning Glass Works
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 claimed from FR7720329A external-priority patent/FR2395961A1/fr
Priority claimed from FR7816433A external-priority patent/FR2427309A2/fr
Application filed by Corning Glass Works filed Critical Corning Glass Works
Publication of IT7868558A0 publication Critical patent/IT7868558A0/it
Application granted granted Critical
Publication of IT1111419B publication Critical patent/IT1111419B/it

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
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container 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
    • C03C3/076—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
    • C03C4/00—Compositions for glass with special properties
    • 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
    • C03C4/20—Compositions for glass with special properties for chemical resistant glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
IT68558/78A 1977-07-01 1978-07-03 Vetro ad elevato indice di rifrazione e bassa densita IT1111419B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7720329A FR2395961A1 (fr) 1977-07-01 1977-07-01 Verre d'indice de refraction eleve et de faible densite
FR7816433A FR2427309A2 (fr) 1978-06-01 1978-06-01 Verre d'indice de refraction eleve et de faible densite

Publications (2)

Publication Number Publication Date
IT7868558A0 IT7868558A0 (it) 1978-07-03
IT1111419B true IT1111419B (it) 1986-01-13

Family

ID=26220108

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68558/78A IT1111419B (it) 1977-07-01 1978-07-03 Vetro ad elevato indice di rifrazione e bassa densita

Country Status (5)

Country Link
JP (1) JPS5416524A (de)
DE (1) DE2828791C2 (de)
GB (1) GB2000492B (de)
IT (1) IT1111419B (de)
NL (1) NL187063C (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016107934B4 (de) 2016-04-28 2023-07-13 Schott Ag Verfahren zur Herstellung hochbrechender Dünnglassubstrate

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB975606A (en) * 1965-01-08 1964-11-18 Leitz Ernst Gmbh Improvements in or relating to optical glass compositions
DE1303171B (de) * 1966-05-03 1971-11-25 Ernst Leitz Gmbh
DE1596866B1 (de) * 1967-12-12 1970-10-01 Jenaer Glaswerk Schott & Gen Hochbrechendes,PbO-,ZnO-,CdO-freies Titanborosilikatglas
DE2159759C3 (de) * 1971-12-02 1974-11-14 Ernst Leitz Gmbh, 6330 Wetzlar Nb tief 2 0 tief 5 -haltige Borosilikatgläser mittlerer bis hoher Brechzahl, relativ großer Dispersion und hoher chemischer Beständigkeit, sowie Verfahren zu ihrer Herstellung
AR202803A1 (es) * 1972-12-02 1975-07-24 Jenaer Glaswerk Schott & Gen Cristales para gafas
DE2623683C3 (de) * 1975-06-02 1979-10-04 Hoya Glass Works, Ltd., Tokio Glas für Augenlinsen mit einem Brechungsindex von mindestens 40 und einem spezifischen Gewicht von nicht mehr als 3,lg/cm3

Also Published As

Publication number Publication date
NL7807125A (nl) 1979-01-03
IT7868558A0 (it) 1978-07-03
JPS5416524A (en) 1979-02-07
NL187063C (nl) 1991-05-16
JPS6152090B2 (de) 1986-11-12
DE2828791C2 (de) 1986-07-31
DE2828791A1 (de) 1979-01-18
GB2000492A (en) 1979-01-10
GB2000492B (en) 1982-01-06
NL187063B (nl) 1990-12-17

Similar Documents

Publication Publication Date Title
IT1140337B (it) Lente avente alto indice di rifrazione e bassa dispersione
IT7950855A0 (it) Perfezionamento nelle microsfere di vetro trasparenti ad altissimo indice di rifrazione particolarmente per dispositivi retroriflettenti
IT1165675B (it) Vetri ottici ad elevato potere di rifrazione
IL64040A0 (en) Fiber optical waveguide and its manufacture
IT7968482A0 (it) Copolimero utilizzabile per la fabbricazione di lenti ad elevato indice di rifrazione
IT7924685A0 (it) Filamento ottico ad elevato indice di gradiente della larghezza di banda e metodo per la fabbricazione dello stesso.
FR2526009B1 (fr) Verre optique leger, ayant un indice de refraction 1,70, une constringence 22 et une masse volumique 3,5 g/cm3
FR2348163A1 (fr) Verre a haut indice de refraction et faible densite
FR2482386B1 (fr) Contacteur opto-electronique
IT1100555B (it) Composizioni a base di poliprofilene e di fibre di vetro
FI773591A (fi) Saett och anordning foer att inrikta optiska fibrer relativt optiskt-elektroniska anordningar
BR8104590A (pt) Vidro opalino espontaneo
JPS5738337A (en) Grade refractive index optical structure element and manufacture thereof
IT7849710A0 (it) Composizioni di vetro ad elevato in dice di rifrazione
IT7968026A0 (it) Vetri leggeri ad elevato indice di rifrazione per occhiali
FR2521124B1 (fr) Verre de lunette a indice de refraction eleve
GB2043620B (en) Graded refractive index fibres and rods
FR2540857B1 (fr) Verre optique
IT1111419B (it) Vetro ad elevato indice di rifrazione e bassa densita
ITMI921276A0 (it) Vetri organici ad alto indice di refrazione
BE868645A (fr) Verre d'indice de refraction eleve et de faible densite
FI813355L (fi) Optisk display-cell och foerfarande foer dess framstaellning
JPS56129635A (en) Optical glass fiber and manufacture
JPS5350217A (en) Optical glass having high refraction index
JPS52121615A (en) Glass having low refraction index and low melting point

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940729