MAGNETIC RECORDING MEDIUM CONSISTING OF LAMINATED MAGNETIC LAYER

PURPOSE:To obtain the magnetic tape which has the good adhesiveness between a nonmagnetic supporting body and magnetic layers and does not generate physical damages by respectively specifying the degrees of swelling of the lower magnetic layer and the upper magnetic layer in an org. solvent. CONSTIT...

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Bibliographische Detailangaben
Hauptverfasser:	KOYAMA NOBORU, NAMIKI TAKEMASA, KAWABE SHIGEHISA, UMEMURA MASAHIRO, KAWAHARA SETSUKO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain the magnetic tape which has the good adhesiveness between a nonmagnetic supporting body and magnetic layers and does not generate physical damages by respectively specifying the degrees of swelling of the lower magnetic layer and the upper magnetic layer in an org. solvent. CONSTITUTION:The magnetic recording medium having the laminated magnetic layers which consist of the lower magnetic layer and the upper magnetic layer and are formed by adding a hardener to both these layers and successively laminating the layers on a nonmagnetic supporting body is so formed that the lower magnetic layer has >=140% degree of swelling in the org. solvent and the upper magnetic layer has