公开(公告)号：EP0206244A2

公开(公告)日：1986-12-30

申请号：EP86108319

申请日：1986-06-19

申请人： HITACHI MAXELL

发明人： MIYAKE AKIRA ,  NAGATANI HITOSHI ,  DOI TSUGIHIRO ,  MIZUSHIMA KUNIO ,  SAKEMOTO AKITO

IPC分类号： G11B5/708 ,  C09D5/23 ,  C09D7/12 ,  C10M105/32 ,  C10M171/00 ,  C10N40/18 ,  G11B5/71

CPC分类号： G11B5/71 ,  Y10S428/90

摘要： A magnetic disc comprising a non-magnetic supporting substrate and a magnetic layer consisting of a magnetic coating which is formed on at least one surface of the substrate and comprises ferromagnetic powder, a binder, an aliphatic acid ester having a melting point not higher than 10°C and an aliphatic acid ester having a melting point of 15 to 60°C, the magnetic coating of which has improved lubricity and durability.