Process for producing cobalt-containing magnetic iron oxide powd

Process for producing ferromagnetic metal fine particles

Process for producing information recording medium

Process for producing magnetic recording material

Process for producing magnetic recording materials

Process for producing magnetic recording media

Process for producing magnetic recording medium

Process for producing magnetic recording medium

Process for producing magnetic recording medium

Process for producing magnetic recording medium

Process for producing magnetic recording medium

Process for producing multi-layered magnetic recording media

Process for production of a magnetic head

Process for protecting magnetic particles with chromium oxide

Process for regulating to desired values the dimensions of the b

Process for stabilization of ferromagnetic material and magnetic

Process for suppressing hard bubbles in magnetic bubble devices

Process for the preparation of magnetic particle dispersions usi

Process for the preparation of magnetic recording medium

Process for the preparation of magnetic recording medium