发明名称 |
ALUMINIUM-LEGIERUNG FUER MAGNETPLATTENSUBSTRATE MIT AUSGEZEICHNETER PLATTIERBARKEIT. |
摘要 |
An aluminum alloy for magnetic disc substrate excellent in platability is disclosed, which is characterized in that not less than 0.010 wt.% and under 0.03 wt.% of Cu, not less than 2 wt. % and not more than 6 wt.% of Mg and not less than 0.05 wt. % and not more than 2.0 wt. % of Zn are contained, further one or more of over 0.01 wt. % and under 0.05 wt. % of Mn and over 0.01 wt. % and under 0.05 wt. % or Cr are contained, and, as impurity elements, Si, Fe, Ti and other individual unavoidable element are regulated to be not more than 0.1 wt. %, not more than 0.1 wt. %, not more than 0.02 wt. % and not more than 0.02 wt. %, respectively. Zr may be contained additionally in amounts of not less than 0.005 wt. % and under 0.05 wt. %. |
申请公布号 |
DE68905988(T2) |
申请公布日期 |
1993.11.04 |
申请号 |
DE1989605988T |
申请日期 |
1989.09.28 |
申请人 |
FURUKAWA ALUMINUM CO., LTD., TOKIO/TOKYO, JP |
发明人 |
NABAE, MOTOHIRO, NIKKO-SHI TOCHIGI-KEN, JP;KISHINO, KUNIHIKO, NIKKO-SHI TOCHIGI-KEN, JP |
分类号 |
C22C21/06;G11B5/73;(IPC1-7):C22C21/06;G11B5/704;G11B5/64 |
主分类号 |
C22C21/06 |
代理机构 |
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主权项 |
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地址 |
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