发明名称 |
Magnetic recording medium |
摘要 |
A magnetic recording medium characterized by a magnetic layer comprising (A) magnetic fine particles of plate-like hexagonal ferrite having a particle size of 0.3 microns or less and an easily magnetizable axis in the direction vertical to the flat plate surface (B) a polyurethane resin having a metal sulfonate group and (C) one or more esters of C10-C18 fatty acids with alcohols having not more than 15 carbon atoms.
|
申请公布号 |
US4701372(A) |
申请公布日期 |
1987.10.20 |
申请号 |
US19860905219 |
申请日期 |
1986.09.09 |
申请人 |
TOYO BOSEKI KABUSHIKI KAISHA |
发明人 |
AKIYAMA, TAKASHI;HOTTA, YASUNARI;ODA, NAONOBU |
分类号 |
C08G18/08;G11B5/702;G11B5/706;G11B5/71;(IPC1-7):G11B5/68 |
主分类号 |
C08G18/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|