发明授权
- 专利标题： Straight top main pole for PMR bevel writer
- 专利标题（中）： PMR斜面写入器的直顶主杆
-
申请号： US12426134申请日： 2009-04-17
-
公开(公告)号： US08254060B1公开(公告)日： 2012-08-28
- 发明人: Changqing Shi , Ming Jiang
- 申请人： Changqing Shi , Ming Jiang
- 申请人地址： US CA Fremont
- 专利权人： Western Digital (Fremont), LLC
- 当前专利权人： Western Digital (Fremont), LLC
- 当前专利权人地址： US CA Fremont
- 主分类号： G11B5/127
- IPC分类号： G11B5/127
摘要：
A magnetic recording head includes a write pole comprising a throat region. The throat region includes a lower portion having a substantially trapezoidal cross-section, and an upper portion having a substantially rectangular cross-section. In a beveled region of the write pole, the substantially rectangular cross-section of the upper portion decreases in height towards an air bearing surface of the magnetic recording head.