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Writer with Narrower High Moment Trailing Shield
Writer with Narrower High Moment Trailing Shield
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机译:作家,较窄的高点拖把盾
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摘要
A PMR (perpendicular magnetic recording) write head configured for microwave assisted magnetic recording (MAMR) in the form of spin assisted writing (SAW) or spin torque oscillation (STO) includes a spin-torque oscillator (STO) or SAW device and trailing shield formed of high moment magnetic material (HMTS). By patterning the STO or SAW and the HMTS in a simultaneous process the HMTS and the STO or SAW layers are precisely aligned and have very similar cross-track widths. In addition, the write gap at an off-center location has a thickness that is independent from its center-track thickness and the write gap total width can have a flexible range whose minimum value is the same width as the STO or SAW width.
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