发明名称 |
Magnetic disk comprising a first carbon overcoat having a high SP3 content and a second carbon overcoat having a low SP3 content |
摘要 |
A method for making a magnetic disk comprises forming first and second protective carbon layers on a magnetic layer. The first protective carbon layer is predominantly SP3 carbon. The second protective carbon layer comprises about 50% or less SP3 carbon. The second protective carbon layer is very thin, e.g. between 0.1 and 1.0 nm thick. A lubricant layer (e.g. a perfluoropolyether lubricant) is applied to the second protective carbon layer. The second protective carbon layer facilitates improved cooperation between lubricant and the disk.
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申请公布号 |
US6682807(B2) |
申请公布日期 |
2004.01.27 |
申请号 |
US20020255295 |
申请日期 |
2002.09.26 |
申请人 |
KOMAG, INC. |
发明人 |
LAIRSON BRUCE;TSOI CHING JACKIE;LIU WEN;HASHIMOTO SHIGETO;YONG ERIC WOO HOCK;YAMASHITA TSUTOMU TOM |
分类号 |
C23C14/34;C23C14/06;C23C16/26;G11B5/72;G11B5/84;G11B5/85;G11B5/851;(IPC1-7):G11B5/72 |
主分类号 |
C23C14/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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