| 摘要 |
A magnetic recording medium comprising a support, a first layer formed on the support by evaporating cobalt or its alloy by an oblique-incidence vacuum evaporation technique, and a second plated layer made of cobalt or its alloy and formed by a wet plating. The cobalt alloy for the first layer substantially consists of, aside from cobalt, up to 30 wt % of Ni, Fe, Cu, W, Cr, Ru or a mixture thereof. On the other hand, the cobalt alloy for the second layer substantially consists of up to 40 wt % of Ni, up to 8 wt % of P and the balance of Co. |
| 申请人 |
VICTOR COMPANY OF JAPAN, LTD., YOKOHAMA, KANAGAWA, JP |
发明人 |
SHIMIZU, SHIGEO, YOKOHAMA, JP;KATO, TOSHIO, YAMATO, KANAGAWA, JP;ODA, HITOSHI, YOKOHAMA, JP;SHIGETA, MASANOBU, ISEHARA, KANAGAWA, JP |
