Cleaning and Passivating Process for Permalloy Recording Devices
Original Publication Date: 1980-Oct-01
Included in the Prior Art Database: 2005-Feb-13
Exposed permalloy (Ni 0.80 Fe 0.20) poletips in thin film inductive recording heads can corrode in high humidity ambients, thereby degrading the magnetic performance of the devices. Poletip corrosion can be greatly reduced by proper cleaning and passivation treatments.