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Priority to JP58078692ApriorityCriticalpatent/JPS59203233A/ja
Publication of JPS59203233ApublicationCriticalpatent/JPS59203233A/ja
Publication of JPH0365378B2publicationCriticalpatent/JPH0365378B2/ja
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
G11B5/62—Record carriers characterised by the selection of the material
G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
G11B5/739—Magnetic recording media substrates
G11B5/73923—Organic polymer substrates
G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
Landscapes
Manufacture Of Macromolecular Shaped Articles
(AREA)