| 发明名称 |
PRODUCTION OF DOPED SILICA GLASS |
| 摘要 |
PURPOSE:To reduce optical loss by easily controlling the refraction factor as the minute particle oxidization compound are sintered and glassed on the rotating heat element bar under a single procedure. |
| 申请公布号 |
JPS52134446(A) |
申请公布日期 |
1977.11.10 |
| 申请号 |
JP19760050932 |
申请日期 |
1976.05.06 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
MIYASHITA TADASHI;IZAWA TATSUO;KOO FUMIAKI |
| 分类号 |
C03B37/018;C03B8/04;C03B37/014;G02B6/00 |
主分类号 |
C03B37/018 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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