发明名称 METODO DI FABBRICAZIONE DI UN DISCO DI SUPPORTO DI INFORMAZIONE LEGGIBILI OTTICAMENTE,UTILIZZANDO UNA LASTRA PIANA TERMOCONDUTTIVA DI IRRIGIDIMENTO,DI MATERIALE INORGANICO
摘要 <p>A transparent disc 1 carries a reflecting crenellated information structure 2 which is bonded to a flat heat- conducting plate 6, for example an aluminium plate, to reduce the amount of local heating, with consequent degradation of the information structure 2, which may be caused by the playback beam. <IMAGE></p>
申请公布号 IT1098622(B) 申请公布日期 1985.09.07
申请号 IT19780027635 申请日期 1978.09.13
申请人 PHILIPS NV 发明人
分类号 G11B7/24;G11B7/254;G11B7/257;G11B7/258;G11B7/26;(IPC1-7):G11B/ 主分类号 G11B7/24
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