发明名称 Magnetic recording writer having a main pole with multiple flare angles
摘要 A method and system provide a magnetic transducer having an air-bearing surface (ABS). The magnetic transducer includes a main pole and at least one coil for energizing the main pole. The main pole includes a first portion and a second portion. The first portion includes a pole tip and at least one side surface. The pole tip has an ABS facing surface at the ABS. The first portion has a first flare angle between the ABS and a side surface. The second portion is on the first portion and recessed from the ABS. The second portion has a second flare angle greater than the first flare angle. The first portion is wider in a cross track direction than the second portion.
申请公布号 US9111564(B1) 申请公布日期 2015.08.18
申请号 US201313903124 申请日期 2013.05.28
申请人 Western Digital (Fremont), LLC 发明人 Liu Feng;Li Zhanjie;Bai Zhigang
分类号 G11B5/60 主分类号 G11B5/60
代理机构 代理人
主权项 1. A magnetic transducer having air-bearing surface (ABS) comprising: a main pole having a first portion and a second portion, the first portion including a pole tip and at least one side surface, the pole tip having an ABS facing surface at the ABS, the first portion having a first flare angle between the ABS and a side surface, the second portion residing on the first portion, being recessed from the ABS and having a second flare angle greater than the first flare angle, the first portion having a first maximum width in a cross track direction, the second portion having a second maximum width in the cross track direction, the first maximum width being greater than the second maximum width; and at least one coil for energizing the main pole.
地址 Fremont CA US