Patent Number: 6,309,765

Title: Magnetic recording medium and process for its production

Abstract: A magnetic recording medium comprising a non-ferromagnetic substrate and a magnetic recording layer formed on the substrate with an underlayer of Cr or a Cr alloy interposed therebetween, which has a seed layer between the substrate and the underlayer, wherein said seed layer is made of a material which contains at least 30 ppm of oxygen and which has a B2 crystal structure.

Inventors: Suekane; Michinobu (Yonezawa, JP), Imakawa; Makoto (Yonezawa, JP), Hiruma; Takehiko (Yonezawa, JP), Mitarai; Kazuhiko (Yonezawa, JP)

Assignee: Asahi Komag Co., Ltd.

International Classification: G11B 5/66 (20060101); G11B 005/66 ()

Expiration Date: 10/30/2018