BASE MATERIAL FOR MAGNETIC RECORDING CARD

PROBLEM TO BE SOLVED: To effectively prevent forgery or falsification by disposing a sheet containing magnetosensitive fiber between two layers of polyester resin films, and satisfying a surface smoothness index of the obtained composite sheet for a range of a specified formula. SOLUTION: A composit...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KAMISAKA TASUKU, MAEDA KOZO, MIYAGI KIYOSHI, MATSUOKA MIKIO
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS PHYSICS TRANSPORTING
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