MAMR HEAD WITH RECESSED STO
First Claim
Patent Images
1. A microwave assisted magnetic recording head, comprising:
- a main pole;
a trailing shield; and
a spin torque oscillator positioned between the main pole and the trailing shield, wherein the spin torque oscillator has a surface facing an air bearing surface and the surface is recessed from the air bearing surface.
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Abstract
Embodiments of the present invention generally relate to a microwave assisted magnetic recording (MAMR) head. The MAMR head includes a main pole, a trailing shield, and a spin torque oscillator (STO) disposed between the main pole and the trailing shield. The STO is recessed from an air bearing surface.
36 Citations
20 Claims
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1. A microwave assisted magnetic recording head, comprising:
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a main pole; a trailing shield; and a spin torque oscillator positioned between the main pole and the trailing shield, wherein the spin torque oscillator has a surface facing an air bearing surface and the surface is recessed from the air bearing surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A microwave assisted magnetic recording head, comprising:
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a main pole having an end extending to an air bearing surface; a trailing shield having an end extending to the air bearing surface; and a spin torque oscillator positioned between the main pole and the trailing shield, wherein the spin torque oscillator has a surface facing the air bearing surface and the surface is recessed from the air bearing surface. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification