Inventor

HAN DEHUA

US20 patents

⚠️ This page may combine multiple inventors who share the name “HAN DEHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAN DEHUA

WESTERN DIGITAL FREMONT LLC

Gradient write gap for perpendicular magnetic recording writer

Method for fabricating a magnetic write pole using vacuum deposition

Conformal high moment side shield seed layer for perpendicular magnetic recording writer

Gradient write gap for perpendicular magnetic recording writer

Method and system for providing an antiferromagnetically coupled writer

SEAGATE TECHNOLOGY LLC

Read head shield having improved stability

Write head with modified side shields

Magnetic writer pole with a graded magnetic moment

Pole tip shield shaped to provide a differential shielding effect alongside the magnetic pole tip

LIU FENG

Conformal high moment side shield seed layer for perpendicular magnetic recording writer

Systems and methods for providing perpendicular magnetic writers having gradient magnetic moment side shields

Magnetic recording sensor with sputtered antiferromagnetic coupling trilayer between plated ferromagnetic shields

YU CHENGTAO R

Method and system for providing a magnetic transducer having a high moment bilayer magnetic seed layer for a trailing shield

Laminated touchdown sensor for hard disk drives

GAO KAIZHONG

Magnetic recording head with magnetic wall angle

Magnetic recording head having a pole tip shield and a pole-shield gap region

SUN MING

Method and system for providing an antiferromagnetically coupled writer

HAN DEHUA

Magnetic recording transducer with sputtered antiferromagnetic coupling trilayer between plated ferromagnetic shields and method of fabrication

BENAKLI MOURAD

Write head with modified side shields

CHEN LIFAN

Methods for characterizing relative film density using spectroscopic analysis at the device level