Granted Patent B1

US 8,780,498 · App. 13/690,255 · Granted Jul 15, 2014

Abstract

Claims (13)

1. A magnetic recording transducer comprising:

a main pole having a bottom, a top wider than the bottom, and a top bevel;

a nonmagnetic gap covering the main pole, a portion of the nonmagnetic gap residing on the top bevel of the main pole, the portion of the nonmagnetic gap having a substantially constant and being within one nanometer of a target thickness;

a first seed layer, at least a portion of the first seed layer covering the portion of the nonmagnetic gap on top of the main pole;

a second seed layer residing on the first seed layer; and

a wrap-around shield on the second seed layer.

2. The magnetic recording transducer of claim 1 wherein a total thickness of the first seed layer plus the second seed layer does not exceed one hundred nanometers.

3. The magnetic recording transducer of claim 2 wherein the first seed layer is at least five nanometers thick and not more than twenty nanometers thick.

4. The magnetic recording transducer of claim 3 wherein the second seed layer is at least thirty-five and not more than one hundred nanometers thick.

5. The magnetic recording transducer of claim 1 further comprising:

a plurality of electrical contacts.

6. The magnetic recording transducer of claim 1 wherein the first seed layer includes a first material and the second seed layer includes a second material different from the first material.

7. The magnetic recording transducer of claim 1 wherein the first seed layer includes a material and the second seed layer includes the material.

Assignments (8)