Patent Number: 6,251,475

Title: Preparation of a magnetic layer

Abstract: A process is disclosed for the preparation of semi-soft or soft magnetic layers. The process involves chemical reduction in aqueous medium of one or more types of metal ions including nickel ions, washing the resulting dispersion of metal particles, and coating this dispersion onto a support. The resulting magnetic layers can be used in an anti-theft system.

Inventors: Andriessen; Hieronymus (Berse, BE), Lezy; Steven (Antwerp, BE)

Assignee: Agfa-Gevaert

International Classification: H01F 1/00 (20060101); H01F 41/14 (20060101); H01F 41/16 (20060101); B05D 005/12 ()

Expiration Date: 06/26/2018