JPS5640092B2 - - Google Patents
Info
- Publication number
- JPS5640092B2 JPS5640092B2 JP12254473A JP12254473A JPS5640092B2 JP S5640092 B2 JPS5640092 B2 JP S5640092B2 JP 12254473 A JP12254473 A JP 12254473A JP 12254473 A JP12254473 A JP 12254473A JP S5640092 B2 JPS5640092 B2 JP S5640092B2
- Authority
- JP
- Japan
- 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
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
- C03C3/062—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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12254473A JPS5640092B2 (en) | 1973-10-31 | 1973-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12254473A JPS5640092B2 (en) | 1973-10-31 | 1973-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5073914A JPS5073914A (en) | 1975-06-18 |
| JPS5640092B2 true JPS5640092B2 (en) | 1981-09-18 |
Family
ID=14838487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12254473A Expired JPS5640092B2 (en) | 1973-10-31 | 1973-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5640092B2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51161804U (en) * | 1975-06-17 | 1976-12-23 | ||
| DE2824891B2 (en) * | 1978-06-07 | 1980-07-17 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | High refractive ophthalmic lenses of the SiO2 -B2 O3 system - TiO2 -La2 O3 -Earth alkaline oxides with low |
| US4507393A (en) * | 1983-08-11 | 1985-03-26 | Schott Glass Technologies, Inc. | Highly prefractive, low dispersion optical glass suitable for multifocal corrective lenses |
| JPS60122745A (en) * | 1983-12-07 | 1985-07-01 | Hoya Corp | Optical glass |
| JPS60122746A (en) * | 1983-12-07 | 1985-07-01 | Hoya Corp | Optical glass |
| DE19622360C1 (en) * | 1996-06-04 | 1997-06-19 | Schott Glaswerke | Lead-free barium fruit glass |
| DE19631580C1 (en) * | 1996-08-05 | 1997-11-20 | Schott Glaswerke | Lead-free barium flint glass for optical applications |
| CN1252041A (en) | 1997-04-30 | 2000-05-03 | 康宁股份有限公司 | High refractive index glasses, multivocal corrective lenses containing same |
| US9670089B2 (en) * | 2009-07-08 | 2017-06-06 | Nippon Electric Glass Co., Ltd. | Glass sheet |
| CN106630636B (en) * | 2016-09-18 | 2019-03-15 | 中南大学 | A kind of principal crystalline phase is the devitrified glass and preparation method and application of two lanthanum silicates |
| US11407673B2 (en) * | 2018-11-30 | 2022-08-09 | Corning Incorporated | High index glasses |
| US20200172425A1 (en) * | 2018-11-30 | 2020-06-04 | Corning Incorporated | High index low density glass |
-
1973
- 1973-10-31 JP JP12254473A patent/JPS5640092B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5073914A (en) | 1975-06-18 |