JPS5413244B2 - - Google Patents
Info
- Publication number
- JPS5413244B2 JPS5413244B2 JP11094473A JP11094473A JPS5413244B2 JP S5413244 B2 JPS5413244 B2 JP S5413244B2 JP 11094473 A JP11094473 A JP 11094473A JP 11094473 A JP11094473 A JP 11094473A JP S5413244 B2 JPS5413244 B2 JP S5413244B2
- 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
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722248255 DE2248255C3 (en) | 1972-10-02 | 1972-10-02 | Optical glasses with improved, deviating partial dispersion tone in the optical position area of the lanthanum crown and lanthanum flint glasses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4972311A JPS4972311A (en) | 1974-07-12 |
| JPS5413244B2 true JPS5413244B2 (en) | 1979-05-29 |
Family
ID=5857981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11094473A Expired JPS5413244B2 (en) | 1972-10-02 | 1973-10-01 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5413244B2 (en) |
| DD (1) | DD107656A5 (en) |
| DE (1) | DE2248255C3 (en) |
| FR (1) | FR2201263B1 (en) |
| GB (1) | GB1439205A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5580736A (en) * | 1978-12-14 | 1980-06-18 | Nippon Kogaku Kk <Nikon> | Heavy crown optical glass |
| JP2012126586A (en) * | 2010-12-13 | 2012-07-05 | Ohara Inc | Optical glass, preform, and optical element |
| RU2443641C1 (en) * | 2010-08-04 | 2012-02-27 | Юлия Алексеевна Щепочкина | Glass (versions) |
| JP6096409B2 (en) * | 2010-10-29 | 2017-03-15 | 株式会社オハラ | Optical glass, preform and optical element |
| JP6076594B2 (en) * | 2010-12-13 | 2017-02-08 | 株式会社オハラ | Optical glass, preform and optical element |
| JP5800766B2 (en) * | 2011-10-28 | 2015-10-28 | 株式会社オハラ | Optical glass, preform and optical element |
| JP7096648B2 (en) * | 2016-06-29 | 2022-07-06 | 株式会社オハラ | Optical glass, preforms and optical elements |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3716385A (en) * | 1969-04-11 | 1973-02-13 | Jenaer Glaswerk Schott & Gen | Optical glasses comprising aif3 having a varying partial dispersion |
-
1972
- 1972-10-02 DE DE19722248255 patent/DE2248255C3/en not_active Expired
-
1973
- 1973-09-28 DD DD17376273A patent/DD107656A5/xx unknown
- 1973-10-01 GB GB4582273A patent/GB1439205A/en not_active Expired
- 1973-10-01 JP JP11094473A patent/JPS5413244B2/ja not_active Expired
- 1973-10-02 FR FR7335154A patent/FR2201263B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DD107656A5 (en) | 1974-08-12 |
| FR2201263B1 (en) | 1977-03-11 |
| JPS4972311A (en) | 1974-07-12 |
| DE2248255C3 (en) | 1976-01-02 |
| GB1439205A (en) | 1976-06-16 |
| DE2248255A1 (en) | 1974-04-25 |
| FR2201263A1 (en) | 1974-04-26 |
| DE2248255B2 (en) | 1975-05-07 |