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发明公开
CN101521017A 具有新颖的尾返回极的垂直磁写头 无效 - 驳回 复审申请

具有新颖的尾返回极的垂直磁写头
摘要：
本发明涉及一种具有新颖尾返回极以减小宽区域道擦除的垂直磁写头。具有磁返回极的磁写头配置为防止宽区域道擦除。该磁返回极具有喉区域和形成在气垫面附近的内翼和外翼部分，该喉区域具有相对窄的宽度。所述内翼部分具有位于所述气垫面处的前边缘，所述外翼部分具有从所述气垫面后退的前边缘。
摘要（英）：

The present invention relates to a perpendicular magnetic write head having a novel tralling return pole for reducing wide-area-track-erasure. The magnetic write head having a magnetic return pole that is configured to prevent wide area track erasure. The magnetic return pole has a throat region with a relatively narrow width and has a inner and outer wing portions formed near the air bearing surface. The inner wing portion has a front edge that is disposed at the air bearing surface, whereas the outer wing portion has a front edge that is recessed from the air bearing surface.

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