VERFAHREN ZUR HERSTELLUNG EINER OPTISCH LESBAREN INFORMATIONSPLATTE.
摘要
<p>An optically readable information disk having an optically readable information track of information areas situated alternately at a higher level and at a lower level and comprising a substrate which has a metal layer on at least one side, the information track being present only in the metal layer, the surface of the substrate adjoining the metal layer having a flat structure.</p>
申请公布号
DE3575806(D1)
申请公布日期
1990.03.08
申请号
DE19853575806
申请日期
1985.08.30
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN, EINDHOVEN, NL
发明人
VAN TONGEREN, HENDRICUS FRANCISCUS JOANNES JACOBU;LEGIERSE, PETRUS EGIDIUS JACOBUS;VAN MAURIK, WILHELMUS BAREND, NL-5656 AA EINDHOVEN, NL