申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP1049076A1
公开(公告)日:2000-11-02
Disclosed is a magnetic recording medium comprising a magnetic layer on a surface of a flexible support and a backcoat layer on the opposite surface, characterized in that the backcoat layer comprises a granulated oxide consisting of titanium oxide, α-iron oxide or a mixture thereof and carbon black in the weight ratio ranging from 60/40 to 90/10, and further comprises a binder in an amount ranging from 10 to 40 parts by weight with respect to 100 parts by weight of the total amount of the granulated oxide and carbon black. The magnetic recording medium of the present invention is characterized in that both the running durability and electromagnetic characteristics are excellent.
本发明公开了一种磁记录介质,该介质包括位于柔性支架表面上的磁层和位于相反表面上的背涂层,其特征在于背涂层包括由氧化钛、α-氧化铁或其混合物和炭黑组成的颗粒状氧化物,重量比为 60/40 至 90/10,还包括粘结剂,相对于颗粒状氧化物和炭黑总量的 100 重量份,粘结剂的用量为 10 至 40 重量份。本发明磁记录介质的特点是运行耐久性和电磁特性都很好。