Inventor

GUAN LIJIE

US91 patents

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

GUAN LIJIE

HEADWAY TECHNOLOGIES INC

Process of manufacturing a four-sided shield structure for a perpendicular write head

Optimized write pole flare angle for side shield or semi side shield PMR writer application

Fully shielded perpendicular recoding writer

Composite shield structure of PMR writer for high track density

Thin film magnetic head structure, adapted to manufacture a thin film magnetic head

Method to make a perpendicular magnetic recording head with a bottom side shield

Perpendicular write head with tapered main pole

Perpendicular magnetic writer with magnetic potential control shield

Perpendicular magnetic recording write head with a side shield

PMR writer with patterned shields for adjacent track erasure improvement

Non-uniform write gap perpendicular writer for shingle writing

Perpendicular shield pole writer with tapered main pole and tapered non-magnetic top shaping layer

Composite shield structure of PMR writer for high track density

Magnetic head having angled pole portions

Four sided shield structure for a perpendicular write head

Perpendicular write head with tapered main pole

Magnetic head for perpendicular magnetic recording and method of manufacturing same

Magnetic read-write head shield that prevents flux concentration at edges close to the ABS

Thin-film magnetic head, a head gimbal assembly and hard disk drive

Thin-film magnetic head having a write shield layer

Process and structure for a perpendicular writer having an exchange coupling discontinuity

WESTERN DIGITAL TECH INC

Write heads having conducting side gap for directing current

Spin orbital torque based microwave assisted magnetic recording with dual spin hall layers or wrap around spin hall layer

Write heads configured to redirect current

Current-assisted magnetic recording write head with improved write gap structure

Magnetic recording write head with selected write gap current direction for minimization of cross-track interference

Write heads configured to redirect current

Magnetic recording devices using virtual side shields for improved areal density capability

Spin orbital torque via spin hall effect based energy assisted magnetic recording

Magnetic head with assisted magnetic recording

Area density capacity improvement with negative anisotropic magnetic material trailing shield notch

GUAN LIJIE

Method and system for providing a perpendicular magnetic recording pole with a multi-layer side gap

Systems and methods for providing magnetic recording heads adapted for writing shingled tracks

Double rie damascene process for nose length control

Optimized write pole flare angle for side shield or semi side shield PMR writer application

Non-uniform write gap perpendicular writer for shingle writing

SANDISK TECHNOLOGIES LLC

Magnetic head with current assisted magnetic recording and method of making thereof

Magnetic head with assisted magnetic recording and method of making thereof

Magnetic head with current assisted magnetic recording and method of making thereof

TANG YUHUI

PMR write head with narrow gap for minimal internal flux loss

PMR write head with assisted magnetic layer

MIN TAI

Writer with an AFM write gap

Writer design with enhanced writability

HAN CHERNG-CHYI

Method to make PMR head with integrated side shield (ISS)

Perpendicular magnetic recording head with a bottom side shield

WESTERN DIGITAL FREMONT LLC

Method for fabricating a pole of a magnetic transducer

LI YUNFEI

Magnetic recording head having a dual sidewall angle

SHI CHANGQING

Method for utilizing an electronic lapping guide for a beveled pole in a magnetic recording transducer

GIBBONS MATTHEW R

Method and system for providing a write pole in an energy assisted magnetic recording disk drive

SONG SUPING

Superior performance head design with minimized ATE and WATE