Magnetic head drum for a magnetic recording apparatus and a...

Details Magnetic head drum for a magnetic recording apparatus and a... Magnetic head drum for a magnetic recording apparatus and a...

G - Physics

11

B

G11B 5/53 (2006.01)

Patent

CA 2184650

A magnetic head drum for a magnetic recording apparatus comprising a metallic ring of a predetermined thickness, and a support body of a plastic material formed in said metallic ring through an outsert forming process. The support body of the plastic material includes a peripheral ring-shaped portion, a central boss portion for receiving a rotating shaft and a web portion connecting the ring-shaped portion with the boss portion. A plurality of magnetic heads are provided on a periphery of the drum to rotate as a unit with the metallic ring. There is also disclosed a method for manufacturing the magnetic head drum through an injection molding process of a plastic material using a metallic ring of a predetermined thickness.

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