Patent ID: 6460243
Filing Date: 2002-10-08
Classification: B82Y,G11B,Y10T

Abstract:
A method of making rows and columns of magnetic read heads wherein each magnetic read head has first and second rhodium (Rh) electrical leads comprising the steps of:providing a wafer substrate with a nominal surface plane; forming rows and columns of ferromagnetic first shield layers on the wafer substrate; forming rows and columns of nonmagnetic nonconductive first read gap layers on the rows and columns of the first shield layers; forming rows and columns of read sensors on the rows and columns of first read gap layers; forming rows and columns of first and second rhodium (Rh) leads on the first read gap layer with each of said first and second leads connected to a respective read sensor comprising the steps of: providing a chamber with an ion beam gun, a target of rhodium (Rh) and said wafer substrate wherein the target has a nominal surface plane; orienting the nominal surface plane of the wafer substrate and the nominal surface plane of the target at a substrate/target angle with respect to one another; and directing ions from the ion beam gun onto the target to sputter rhodium (Rh) atoms therefrom onto the wafer substrate to form one of said rhodium (Rh) leads thereon; forming rows and columns of nonmagnetic nonconductive second read gap layers on the rows and columns of first read gap layers, the rows and columns of sensors and the rows and columns of first and second rhodium (Rh) leads; forming rows and columns of ferromagnetic second shield layers on the rows and columns of second read gap layers; and after forming said rows and columns of first and second rhodium (Rh) leads annealing the rows and columns of rhodium (Rh) leads to form rows and columns of said first and second rhodium (Rh) electrical leads connected to said rows and columns of magnetic read heads.