Patent · US Active

Write pole for recording head

US8830624B2 · kind B2 · utility

2Cited by

3References

18Claims

0Family size

Assignee

Seagate Technology LLC · US

Inventors

Yong Luo · Plymouth, US
Zhe Shen · Arden Hills, US
Dong Lin · San Francisco, US
Huaqing Yin · Eden Prairie, US

Key dates

Filing date	Jun 26, 2012
Grant date	Sep 9, 2014
Priority date	—
Expiry date	Dec 1, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/1186
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A write pole structure disclosed herein includes a write pole layer, a bottom layer including a beveled surface, and a cap layer between the write pole layer and the bottom layer, wherein the cap layer is made of a material with hardness less than hardness of the write pole layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.