| 发明名称 |
MAKING COPIES OF INFORMATION TRACKS ON CARRIERS |
| 摘要 |
Photographic copying of plates having coded video and audio information of a very fine structure. Use is made of aromatic diazosulphide as a photosensitive system in which after exposure a metal nuclei image is produced by contact with metal salt, which image is intensified by physical development to a metal image having a density below D = 1. |
| 申请公布号 |
AU2831777(A) |
申请公布日期 |
1979.03.08 |
| 申请号 |
AU19770028317 |
申请日期 |
1977.08.29 |
| 申请人 |
PHILIPS' GLOEILAMPENFABRIEKEN, N.V. |
发明人 |
ELISABETH JACOBA SPIERTZ;ADRIAAN JOHANNES GERARDUS OP HET VELD |
| 分类号 |
G03F7/09;G03C1/62;G03C5/56;G03C5/58;G11B7/28 |
主分类号 |
G03F7/09 |
| 代理机构 |
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代理人 |
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