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Patent Searching and Data


Title:
MANUFACTURING METHOD OF MAGNETIC PAINT, MANUFACTURING DEVICE AND MAGNETIC RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP2009016014
Kind Code:
A
Abstract:

To provide a manufacturing method of a magnetic paint wherein ultra fine particle magnetic powder is satisfactorily dispersed and to provide a magnetic recording medium having excellent high density recording characteristics by using the magnetic paint obtained by the method.

In the manufacturing method of the magnetic paint containing the magnetic powder having 50 nm average particle diameter and a binder resin, treatment by a centrifuge is performed before a process for performing dispersion by using media for dispersion. The magnetic recording medium such as a magnetic tape and a magnetic disk is manufactured by using the magnetic paint obtained by the manufacturing method.


Inventors:
NAKIRI KAZUHIKO
KUZE SADAMU
Application Number:
JP2007179888A
Publication Date:
January 22, 2009
Filing Date:
July 09, 2007
Export Citation:
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Assignee:
HITACHI MAXELL
International Classes:
G11B5/842; G11B5/714
Attorney, Agent or Firm:
稲毛 諭