JPS506326A - - Google Patents
Info
- Publication number
- JPS506326A JPS506326A JP5375873A JP5375873A JPS506326A JP S506326 A JPS506326 A JP S506326A JP 5375873 A JP5375873 A JP 5375873A JP 5375873 A JP5375873 A JP 5375873A JP S506326 A JPS506326 A JP S506326A
- 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.)
- Granted
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48053758A JPS582074B2 (en) | 1973-05-15 | 1973-05-15 | Shashinshiyokujiki |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48053758A JPS582074B2 (en) | 1973-05-15 | 1973-05-15 | Shashinshiyokujiki |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS506326A true JPS506326A (en) | 1975-01-23 |
| JPS582074B2 JPS582074B2 (en) | 1983-01-13 |
Family
ID=12951704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48053758A Expired JPS582074B2 (en) | 1973-05-15 | 1973-05-15 | Shashinshiyokujiki |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS582074B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60131845A (en) * | 1983-12-01 | 1985-07-13 | シヨツト、グラスヴエルケ | Optical glass having refractive index of more than 1.90, abbe's number of more than 25 and high chemical stability |
| DE3307497C2 (en) | 1983-03-03 | 1985-09-12 | Schott Glaswerke, 6500 Mainz | Optical glass in the system Si0? 2? - B? 2? 0? 3? - La 2 0 3 - Zr0? 2? - alkali oxide - alkaline earth oxide - Zn0 - F with refractive index? 1.70, Payoff? 48, with good devitrification stability and good chemical resistance |
| US6645894B2 (en) | 2001-03-27 | 2003-11-11 | Hoya Corporation | Optical glass and optical part |
-
1973
- 1973-05-15 JP JP48053758A patent/JPS582074B2/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3307497C2 (en) | 1983-03-03 | 1985-09-12 | Schott Glaswerke, 6500 Mainz | Optical glass in the system Si0? 2? - B? 2? 0? 3? - La 2 0 3 - Zr0? 2? - alkali oxide - alkaline earth oxide - Zn0 - F with refractive index? 1.70, Payoff? 48, with good devitrification stability and good chemical resistance |
| JPS60131845A (en) * | 1983-12-01 | 1985-07-13 | シヨツト、グラスヴエルケ | Optical glass having refractive index of more than 1.90, abbe's number of more than 25 and high chemical stability |
| JPH0149649B2 (en) * | 1983-12-01 | 1989-10-25 | Schott Glaswerke | |
| US6645894B2 (en) | 2001-03-27 | 2003-11-11 | Hoya Corporation | Optical glass and optical part |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS582074B2 (en) | 1983-01-13 |