JPS6152090B2 - - Google Patents
Info
- Publication number
- JPS6152090B2 JPS6152090B2 JP53078811A JP7881178A JPS6152090B2 JP S6152090 B2 JPS6152090 B2 JP S6152090B2 JP 53078811 A JP53078811 A JP 53078811A JP 7881178 A JP7881178 A JP 7881178A JP S6152090 B2 JPS6152090 B2 JP S6152090B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- poise
- viscosity
- cao
- liquidus temperature
- 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
Links
- 239000011521 glass Substances 0.000 claims description 19
- 239000000126 substance Substances 0.000 claims description 4
- 230000004580 weight loss Effects 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 2
- 229910018068 Li 2 O Inorganic materials 0.000 claims 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 5
- 239000007858 starting material Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 150000003842 bromide salts Chemical class 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000004694 iodide salts Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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)
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 |
|---|---|
| JPS5416524A JPS5416524A (en) | 1979-02-07 |
| JPS6152090B2 true JPS6152090B2 (pt) | 1986-11-12 |
Family
ID=26220108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7881178A Granted JPS5416524A (en) | 1977-07-01 | 1978-06-30 | Glass with high refractive index and low density |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5416524A (pt) |
| DE (1) | DE2828791C2 (pt) |
| GB (1) | GB2000492B (pt) |
| IT (1) | IT1111419B (pt) |
| NL (1) | NL187063C (pt) |
Families Citing this family (1)
| 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)
| 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 (pt) * | 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 |
-
1978
- 1978-06-30 NL NLAANVRAGE7807125,A patent/NL187063C/xx not_active IP Right Cessation
- 1978-06-30 DE DE2828791A patent/DE2828791C2/de not_active Expired
- 1978-06-30 JP JP7881178A patent/JPS5416524A/ja active Granted
- 1978-07-03 IT IT68558/78A patent/IT1111419B/it active
- 1978-07-03 GB GB7828625A patent/GB2000492B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL187063C (nl) | 1991-05-16 |
| DE2828791A1 (de) | 1979-01-18 |
| NL187063B (nl) | 1990-12-17 |
| IT1111419B (it) | 1986-01-13 |
| GB2000492A (en) | 1979-01-10 |
| GB2000492B (en) | 1982-01-06 |
| JPS5416524A (en) | 1979-02-07 |
| DE2828791C2 (de) | 1986-07-31 |
| IT7868558A0 (it) | 1978-07-03 |
| NL7807125A (nl) | 1979-01-03 |
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