JPH0357543B

High density information records made of vinyl chloride resin compositions which comprise conductive powder and inorganic compounds in the form of powder having the antacidic action and a predetermined average size are described. By this, dropout defects in the information record can be suppressed t...

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Bibliographische Detailangaben
Hauptverfasser:	NAMIKAWA ITSUPEI, KURODA AKIO, HAMAGUCHI TOSHIAKI, NAKAMURA MUTSUAKI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONDUCTORS ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INSULATORS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	High density information records made of vinyl chloride resin compositions which comprise conductive powder and inorganic compounds in the form of powder having the antacidic action and a predetermined average size are described. By this, dropout defects in the information record can be suppressed to a significant extent. The inorganic compounds are compounds of metals of Groups II and III of the Periodic Table.