Lerner, David, Littenberg, Krumholz & Mentlik
Magnetooptic recording material
 Significant improvement in corrosion resistance of a magnetooptic material for electric and electronic applications is achieved by a composition (RE.sub.a, TM.sub.b)1-c-.sub.d M.sub.c Be.sub.d of specified content ratios of the components, typically a Tb-Fe-Co type alloy with combined addition of M and Be. 
Yamaha Corporation
Y G
Y10S G11B
additional inventional
Michihiko Tadao Toshitaka Naoshi
Kubota Tokushima Fujii Horiai