Magnetic recording head having a dual sidewall angle

Y Li, L Guan, Y Hong, Z Bai, J Zhang, Y Wang… - US Patent …, 2014 - Google Patents
A magnetic transducer having an air-bearing surface (ABS) is described. The magnetic
transducer includes a pole and at least one coil for energizing the pole. The pole has a pole …

Method for fabricating a magnetic writer using multiple etches of damascene materials

J Zhang, F Liu, H Han, M Sun, X Zhou - US Patent 9,305,583, 2016 - Google Patents
A method provides a magnetic transducer having an air-bearing surface (ABS) location. An
intermediate layer that includes a first sublayer in a side shield region and a second …

Perpendicular magnetic recording (PMR) write head with hybrid side shield

Y Liu, Y Wang, Y Tang, Y Liu, S Lim - US Patent 9,653,101, 2017 - Google Patents
A perpendicular magnetic recording (PMR) writer is disclosed wherein a hybrid side shield
(hSS) has an inner 15-24 kG hot seed layer formed between a gap layer and an outer hSS …

Method for manufacturing a magnetic write pole with a consistent bevel angle

EA Brinkman, N Shi, BR York, SS Zhang - US Patent 8,988,824, 2015 - Google Patents
BACKGROUND The heart of a computer is an assembly that is referred to as a magnetic
disk drive. The magnetic disk drive includes a rotating magnetic disk, write and read heads …

Magnetic write head with tapered side gap for reduced far track interference

M Sugiyama, H Shiina, K Kudo, Y Wakabayashi… - US Patent …, 2015 - Google Patents
A magnetic write head for magnetic data recording that has a magnetic write pole and a
magnetic side shield structure, wherein the flare angle and bevel angle of the write pole are …

Perpendicular magnetic recording write head

F Liu, J Zhang, Z Bai, Y Wang - US Patent 9,478,236, 2016 - Google Patents
5,801.910 A 9/1998 Mallary 6,172,848 B1 1/2001 Santini 6,504,675 B1 1/2003 Shukh et al.
6,710,973 B2* 3/2004 Okada et al............. 360,125.13 6,722,018 B2 4/2004 Santini …

Method for fabricating a magnetic writer having half-side shields

J Zhang, LC Wang, X Yang, F Liu, M Jiang - US Patent 8,988,825, 2015 - Google Patents
5,801.910 A 9/1998 Mallary 6,016,290 A 1/2000 Chen et al. 6,018,441 A 1/2000 Wu et al.
6,025,978 A 2/2000 Hoshi et al. 6,025,988 A 2, 2000 Yan 6,032,353 A 3/2000 Hiner et al …

Magnetic recording head soft error rate improvement with compact main pole

S Song, T Lam, C Shi, L Guan - US Patent 11,087,783, 2021 - Google Patents
The present disclosure is generally related to a magnetic media drive employing a magnetic
recording head. The magnetic recording head comprises a main pole extending to a media …

Magnetic head for perpendicular magnetic recording including a write shield

A Yamaguchi, M Nishiyama, K Hirata… - US Patent …, 2017 - Google Patents
Primary Examiner—Carlos E Garcia (74) Attorney, Agent, or Firm—Oliff PLC (57)
ABSTRACT A magnetic head includes a main pole, a write shield and a gap section. The …

Magnetic head having a double bump wrap around shield

WCD Hsiao, NY Kim, TTL Lam, Y Luo, A Pentek… - US Patent …, 2015 - Google Patents
US8947828B1 - Magnetic head having a double bump wrap around shield - Google Patents
US8947828B1 - Magnetic head having a double bump wrap around shield - Google Patents …