Magnetic recording medium including a radiation-cured...

Details Magnetic recording medium including a radiation-cured... Magnetic recording medium including a radiation-cured...

2007-10-16

2007-10-16

Bernatz, Kevin M. (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Binder media

C428S840100, C428S842000, C428S848200

Reexamination Certificate

active

10971121

ABSTRACT:
A magnetic recording medium is provided that includes a non-magnetic support and, in order, above the non-magnetic support, a radiation-cured material layer cured by exposing a layer that includes a radiation curable compound to radiation, and a magnetic layer that includes a fine ferromagnetic powder and a binder, a compound having one or more ether groups and three or more radiation curable functional groups per molecule being employed as the radiation curable compound, and the number of magnetic layer surface micro projections having a height measured by atomic force microscopy (AFM) of 10 to 20 nm being 5 to 1,000 per 100 (μm)2. There is also provided the magnetic recording medium wherein it further includes a non-magnetic layer that includes a non-magnetic powder and a binder.

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