Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maxell Ltd
Original Assignee
Hitachi Maxell Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Maxell LtdfiledCriticalHitachi Maxell Ltd
Priority to JP19781986ApriorityCriticalpatent/JPS6292115A/ja
Publication of JPS6292115ApublicationCriticalpatent/JPS6292115A/ja
Publication of JPS6330690B2publicationCriticalpatent/JPS6330690B2/ja
Magnetic recording medium having a glass substrate, heat retaining non magnetic metal layer formed over the substrate, amorphous nip layer, Cr layer and magnetic layer
Magnetic recording medium having a cobalt-plantinum-chromium alloy magnetic layer and a chromium-tungsten underlayer a specified underlayer thickness range