Magnetic tape having controlled water contact angle ratio, magnetic tape cartridge, and magnetic tape apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11869559
APP PUB NO 20230101868A1
SERIAL NO

17873728

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Abstract

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The magnetic tape includes a non-magnetic support, and a magnetic layer including a ferromagnetic powder. A fluorine-containing compound is included in a portion on the non-magnetic support on a magnetic layer side, and a ratio θr of a water contact angle measured on a surface of the magnetic layer after sliding on a magnetic head to a water contact angle measured on the surface of the magnetic layer before sliding on the magnetic head is 0.70 or more.

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM CORPORATION26-30 NISHIAZABU 2-CHOME MINATO-KU TOKYO 106-8620

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kikuchi, Wataru Minamiashigara, JP 46 699
Oyanagi, Noriko Minamiashigara, JP 5 0
Tamura, Akio Minamiashigara, JP 64 247

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