| 发明名称 |
OPTISCHES AUFZEICHNUNGSMEDIUM, EIN VERFAHREN ZU SEINER HERSTELLUNG SOWIE SEINE VERWENDUNG ALS READ ONLY MEMORY-INFORMATIONSTRAEGER. |
| 摘要 |
<p>Optical recording medium has a storage contg. graphite as storage material and opt. one or 2 substrate layers. Pref. the substrate consists of polymethyl methacrylate (PMMA) or polycarbonate. The medium is produced by pressing a graphite film at 300-8000 bar and opt. pressing agains with the substrate layer(s), which is first provided with grooves.</p> |
| 申请公布号 |
DE3774582(D1) |
申请公布日期 |
1992.01.02 |
| 申请号 |
DE19873774582 |
申请日期 |
1987.01.10 |
| 申请人 |
BASF AG |
发明人 |
SCHROTT WOLFGANG;NEUMANN PETER;HAUSER PETER;WAGENBLAST GERHARD |
| 分类号 |
G11B7/243;G11B7/247;G11B7/2472;G11B7/253;G11B7/2533;G11B7/2534;G11B7/258;(IPC1-7):G11B7/24 |
主分类号 |
G11B7/243 |
| 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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