Photoresist frame plated magnetic transducer pole layer employing high magnetic permeability seed layer

Abstract

A method for forming a magnetic transducer, and a magnetic transducer formed through the method. There is first provided a substrate. There is then formed over the substrate a first magnetic pole layer. There is then formed upon the first magnetic pole layer a gap filling dielectric layer. There is then formed upon the gap filling dielectric layer a seed layer. There is then formed upon the seed layer a photoresist frame employed in a photoresist frame plating method for forming a plated second magnetic pole layer upon the seed layer, where a base of a sidewall of the photoresist frame has a taper which provides a notch within an edge of the plated second magnetic pole layer at its interface with the seed layer. There is then plated through the photoresist frame plating method the plated second magnetic pole layer upon the seed layer, where the seed layer is formed of a thickness and of a material which compensates when electromagnetically energizing the magnetic transducer for a magnetic write field gradient boundary decompression between the first magnetic pole layer and the plated second magnetic pole layer due to the notch within the plated second magnetic pole layer. The method for forming the magnetic transducer contemplates the magnetic transducer formed through the method.

Dependencies are inferred from the claim text.