Burns, Doane, Swecker & Mathis
Process for producing magnetic recording media
 A process for the production of magnetic recording media including a nonmagnetic support having a magnetic layer on one side thereof, and a backing layer obtained by dispersing a filler in a binder on the other side thereof, in which said backing layer is provided by: PA0 a first step of kneading and dispersing a filler and a binder by means of a roll mill to form chips, PA0 a second step of dissolving said chips in a solvent followed by dispersion effected with a sand grinder, and PA0 a third step of adding a curing agent to the obtained liquid dispersion, followed by coating. 
Fuji Photo Film Co., Ltd.
G
G11B
inventional
Toshimitu Takahito Masaaki Masahiro
Okutu Miyoshi Fujiyama Utumi