Method for overcoming aging of a magnetooptical recording medium

Method for preparing a magnetic recording medium

Method for preparing a magnetic recording medium

Method for preparing a magnetic recording medium

Method for preparing a magnetic recording medium

Method for preparing barium-ferrite-coated .gamma.FE.sub.2 O.sub

Method for preparing cobalt-containing iron oxide magnetic parti

Method for preparing ferromagnetic iron oxide particles

Method for preparing magnetic particles for magnetic-recording m

Method for preparing magnetic recording medium

Method for preparing magnetic recording medium

Method for preparing magnetic recording medium

Method for preparing magnetic recording medium

Method for preparing magnetic recording medium

Method for preparing magnetic recording medium

Method for producing a magnetic disk

Method for producing a magnetic disk

Method for producing a magnetic recording medium

Method for producing a magnetic recording medium having a carbon

Method for producing a square loop magnetic media for very high