| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aluminum substrate for magnetic recording which is a substrate for magnetic recording using an aluminum alloy, has excellent surface smoothness and has no problem of a macro bit. <P>SOLUTION: This aluminum alloy substrate for magnetic recording has a ground layer formed by nickel alloy plating processing on an aluminum alloy substrate, and also has a silicon oxide coated layer outside the ground layer. <P>COPYRIGHT: (C)2012,JPO&INPIT |
