Sony Corporation

Kazuhiro Yagihashi

Takashi Tamura

Fusashige Tokutake

Akira Urai

Yukari Nihei

Fumio Kurosawa

A non-magnetic material for a magnetic head and a magnetic head produced with the use of such material. For improving the head efficiency and resistance against partial abrasion, the guard piece 11 is mainly composed of CaO, TiO.sub.2 and NiO, with the molar mixing ratio CaO/TiO.sub.2 being 30/70 to 50/50 and the NiO content being 5 to 30 mol %. The head efficiency may be improved, while the partial abrasion may be decreased and the service life of magnetic head may be improved sufficiently.

Growing community of inventors

Miyagi, Japan

Kazuhiro Yagihashi