Claims
- 1. In a magneto-optical recording medium having a laminar structure comprising a transparent substrate plate and a magnetic recording layer and a metallic reflecting layer formed on the substrate plate, the improvement which comprises having the reflecting layer formed from an alloy consisting of aluminum and a rare-earth element selected from the group consisting of yttrium, neodymium and gadolinium, the amount of rare-earth element being from 0.05 to 3 atomic %.
- 2. The improvement as claimed in claim 1 in which the rare earth element is neodymium or gadolinium.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3-256964 |
Sep 1991 |
JPX |
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Parent Case Info
This is a continuation of application Ser. No. 08/188,651, filed Jan. 28, 1994, which, in turn, is a continuation of application Ser. No. 07/935,822, filed Aug. 26, 1992, both now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4839226 |
Sawada et al. |
Jun 1989 |
|
Foreign Referenced Citations (7)
Number |
Date |
Country |
0368194 |
Oct 1983 |
EPX |
296888 |
Dec 1988 |
EPX |
0317982 |
May 1990 |
EPX |
0406569 |
Sep 1991 |
EPX |
213849 |
Aug 1989 |
JPX |
27943 |
Nov 1989 |
JPX |
292753 |
Feb 1991 |
JPX |
Non-Patent Literature Citations (2)
Entry |
Patent Abstracts of Japan, vol. 15, No. 55 (P-1164) 8 Feb. 1991 & JP-A-22 85 533 (Teijin Ltd) 22 Nov. 1990. |
Patent Abstracts of Japan, vol. 12, No. 123 (P-690) 16 Apr. 1988 & JP-A-62 246 160 (Oki Electric Industry Co., Ltd.) 27 Oct. 1987. |
Continuations (2)
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Number |
Date |
Country |
Parent |
188651 |
Jan 1994 |
|
Parent |
935822 |
Aug 1992 |
|