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Publication of AU480148B2publicationCriticalpatent/AU480148B2/en
Priority claimed from AU76888/74Aexternal-prioritypatent/AU480148B2/en
Application filedfiledCritical
Priority to AU76888/74ApriorityCriticalpatent/AU480148B2/en
Priority to AU76888/74Dprioritypatent/AU7688874A/en
Publication of AU480148ApublicationCriticalpatent/AU480148A/xx
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture