JPS4990147A - - Google Patents
Info
- Publication number
- JPS4990147A JPS4990147A JP48003089A JP308973A JPS4990147A JP S4990147 A JPS4990147 A JP S4990147A JP 48003089 A JP48003089 A JP 48003089A JP 308973 A JP308973 A JP 308973A JP S4990147 A JPS4990147 A JP S4990147A
- 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.)
- Pending
Links
Landscapes
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48003089A JPS4990147A (nl) | 1972-12-26 | 1972-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48003089A JPS4990147A (nl) | 1972-12-26 | 1972-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4990147A true JPS4990147A (nl) | 1974-08-28 |
Family
ID=11547605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48003089A Pending JPS4990147A (nl) | 1972-12-26 | 1972-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4990147A (nl) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52120845A (en) * | 1976-04-02 | 1977-10-11 | Jenaer Glaswerk Schott & Gen | Light trasmission fiber featuring refractve index gradient section* low transmission loss* high transmission capacity and large aperture |
| JPS53105247A (en) * | 1978-03-06 | 1978-09-13 | Sumitomo Electric Ind Ltd | Glass fiber for optical transmission lines |
| JPH0248431A (ja) * | 1988-08-08 | 1990-02-19 | Mitsubishi Cable Ind Ltd | 希土類元素ドープファイバ |
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1972
- 1972-12-26 JP JP48003089A patent/JPS4990147A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52120845A (en) * | 1976-04-02 | 1977-10-11 | Jenaer Glaswerk Schott & Gen | Light trasmission fiber featuring refractve index gradient section* low transmission loss* high transmission capacity and large aperture |
| JPS53105247A (en) * | 1978-03-06 | 1978-09-13 | Sumitomo Electric Ind Ltd | Glass fiber for optical transmission lines |
| JPH0248431A (ja) * | 1988-08-08 | 1990-02-19 | Mitsubishi Cable Ind Ltd | 希土類元素ドープファイバ |