An improved magnetic particulate pigment suitable for use in recording media and media employing it are disclosed. The particles of the pigment comprise a magnetic core with an epitaxial layer containing approximately 0.05-2.0% of the total pigment as zinc ion. A process for preparing such particles is also disclosed.
申请公布号
DE3520762(C2)
申请公布日期
1991.05.02
申请号
DE19853520762
申请日期
1985.06.10
申请人
AMPEX CORP., REDWOOD CITY, CALIF., US
发明人
SCOTT, LAWRENCE M., NEWARK, CALIF., US;REXROAT, GARY D., OAKLAND, CALIF., US
