发明名称 |
Magnetic recording medium |
摘要 |
A magnetic recording medium is disclosed, comprising a non-magnetic support having provided thereon at least a lower non-magnetic layer comprising a binder having dispersed therein a non-magnetic powder and an upper magnetic layer comprising a binder having dispersed therein a ferromagnetic powder which has been coated on said lower non-magnetic layer while the lower non-magnetic layer is wet, wherein the upper magnetic layer has an average dry thickness (d) of not more than 1.0 mu m and an average thickness variation ( DELTA d) at the interface between the upper magnetic layer and lower non-magnetic layer is not more than d/2. The magnetic recording medium exhibits excellent electromagnetic characteristics, running properties, and durability.
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申请公布号 |
US5792543(A) |
申请公布日期 |
1998.08.11 |
申请号 |
US19960760595 |
申请日期 |
1996.12.04 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
EJIRI, KIYOMI;INABA, HIROO;SAITO, SHINJI;HAYAKAWA, SATORU |
分类号 |
G11B5/66;G11B5/70;G11B5/716;G11B5/733;G11B5/738;G11B5/842;G11B5/848;(IPC1-7):G11B5/66 |
主分类号 |
G11B5/66 |
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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