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Application filed by Sony Co LtdfiledCriticalSony Co Ltd
Priority to KR7401217ApriorityCriticalpatent/KR790000530B1/en
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Publication of KR790000530B1publicationCriticalpatent/KR790000530B1/en
Highly adhesive and high speed magnetic memory device suitable for video tape recorder of computer memory tape was described. Coated nonmagnetic base films for the magnetic film was formed by mixing magnetic powder and cross linking agents, which consisted of copolymeriztion resin of vinyl chloride and vinyl acetate, a thermoplastic polyurethane resin, and a linear satd. thermoplastic polyester resin.