JPS5434768B2 - - Google Patents
Info
- Publication number
- JPS5434768B2 JPS5434768B2 JP3817173A JP3817173A JPS5434768B2 JP S5434768 B2 JPS5434768 B2 JP S5434768B2 JP 3817173 A JP3817173 A JP 3817173A JP 3817173 A JP3817173 A JP 3817173A JP S5434768 B2 JPS5434768 B2 JP S5434768B2
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3817173A JPS5434768B2 (en) | 1973-04-03 | 1973-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3817173A JPS5434768B2 (en) | 1973-04-03 | 1973-04-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49130409A JPS49130409A (en) | 1974-12-13 |
| JPS5434768B2 true JPS5434768B2 (en) | 1979-10-29 |
Family
ID=12517933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3817173A Expired JPS5434768B2 (en) | 1973-04-03 | 1973-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5434768B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5814378B2 (en) * | 1978-11-21 | 1983-03-18 | 株式会社ニコン | fluorophosphate optical glass |
| JP2727735B2 (en) * | 1990-05-07 | 1998-03-18 | 株式会社ニコン | Lightweight fluorophosphate optical glass |
| JP5115984B2 (en) * | 2008-03-28 | 2013-01-09 | Ｈｏｙａ株式会社 | Fluorophosphate glass, glass material for press molding, optical element blank, optical element and respective manufacturing methods |
| JP5069649B2 (en) | 2008-03-28 | 2012-11-07 | Ｈｏｙａ株式会社 | Fluorophosphate glass, precision press-molding preform, optical element blank, optical element and production method thereof |
| JP5063537B2 (en) | 2008-03-28 | 2012-10-31 | Ｈｏｙａ株式会社 | Fluorophosphate glass, precision press-molding preform, optical element blank, optical element and production method thereof |
| CN102300823B (en) | 2009-08-26 | 2014-09-03 | Hoya株式会社 | Fluorophosphate glass, glass material for press molding, optical element blank, optical element, processes for production of same, and process for production of glass moldings |
-
1973
- 1973-04-03 JP JP3817173A patent/JPS5434768B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS49130409A (en) | 1974-12-13 |