DISK CARTRIDGE SHUTTER MADE OF SYNTHETIC RESIN

PURPOSE:To obtain a disk cartridge shutter made of a synthetic resin having excellent appearance and high cost effectiveness by injection molding the mold wall surfaces for forming a cavity with main metal molds coated with heat insulating layers of a heat resistant polymer having a thermal conducti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MATSUZAKI KAZUHIKO, HANEZAWA HIROSHI, KATAOKA HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a disk cartridge shutter made of a synthetic resin having excellent appearance and high cost effectiveness by injection molding the mold wall surfaces for forming a cavity with main metal molds coated with heat insulating layers of a heat resistant polymer having a thermal conductivity of a specific value or bellow. CONSTITUTION:The mold wall surfaces forming the thin cavity of the main metal molds consisting of metals, such as iron, steel and aluminum, are coated with the heat insulating layers consisting of the heat resistant polymer having the thermal conductivity of