发明授权
US07777987B2 Perpendicular write head with tapered main pole 有权
垂直写头带锥形主极

Perpendicular write head with tapered main pole
摘要:
Prior art designs of single pole writers have been limited by premature saturation at the tip. This limits the head field that can be achieved without simultaneously widening the write profile. This problem has bee solved by means of a vertical main pole whose thickness has its conventional value a short distance from the tip but that tapers down to a significantly reduced value as it approaches the tip. A process for manufacturing this tapered tip design is also presented.
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