Number | Date | Country | Kind |
---|---|---|---|
8520300 | Aug 1985 | GBX | |
8520301 | Aug 1985 | GBX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/GB86/00484 | 8/13/1986 | 4/9/1987 | 4/9/1987 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO87/01110 | 2/26/1987 |
Number | Name | Date | Kind |
---|---|---|---|
3971645 | Bachmann | Jul 1976 | |
4067709 | Stanton | Jan 1978 | |
4188089 | Gliemeroth | Feb 1980 | |
4529427 | French | Jul 1985 | |
4597787 | Jacobson | Jul 1986 |
Entry |
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Electronics Letters, vol. 21, No. 17, 15 Aug. 1985 (GB) S. B. Poole et al., "Fabrication of Low-Loss Optical Fibers Containing Rare-Earth Ion", pp. 737,738. |
Japanese Journal of Applied Physics, vol. 22, No. 8, Aug. 1983, part 2, (Tokyo, JP) Seiko Mitachi: "Reduction of Impurities in Fluoride Glass Optical Fiber", pp. L537-L538. |