发明名称 RECORD CARRIER
摘要 <p>The invention relates to a disk-shaped record carrier, for example a video plate, which is provided on one side or on both sides with a radiation-reflecting surface structure in the form of an information track consisting of blocks and pits on which a reflecting layer of metal is provided. The plate can be read optically. According to the invention the reflecting metal layer is provided with a cover layer which is formed by a transparent plate which is connected to the metal surface by means of a radiation-curable lacquer. The lacquer is preferably a U.V. curing lacquer and contains a protic mixture of acrylic acid esters. The transparent plate is also preferably manufactured from a transparent synthetic resin and has a thickness of 200 mu m.</p>
申请公布号 AU4235778(A) 申请公布日期 1979.06.21
申请号 AU19780042357 申请日期 1978.12.08
申请人 PHILIPS GLOEILAMPENFABRIEKN, N.V. 发明人 NAME NOT GIVEN
分类号 G11B7/24;G11B7/254;G11B7/257;G11B7/258 主分类号 G11B7/24
代理机构 代理人
主权项
地址