MANUFACTURE OF DRUM FOR MAGNETIC TAPE

PURPOSE:To eliminate a defect on a desired sliding surface at the time of die-casting, and to easily form a complicated shape by die-casting an aluminum alloy when a drum for a magnetic tape is manufactured, and thereafter, pressure-expanding only a contact part with the magnetic tape with forging....

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YAMAMOTO YOSHIZO
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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