Inventor

HO KUOK SAN

US109 patents

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

HO KUOK SAN

HITACHI GLOBAL STORAGE TECH

Magnetic tunnel junction device with bottom free layer and improved underlayer

Magnetoresistive sensor having shape enhanced pinning, a flux guide structure and damage free virtual edges

Current perpendicular to plane magnetoresistive sensor having a shape enhanced pinned layer and an in stack bias structure

Magnetoresistive sensor having a shape enhanced pinned layer

CPP sensor having hard bias stabilization placed at back edge of the stripe

Read sensor having an in-stack biasing structure and an AP coupled free layer structure for increased magnetic stability

Planar perpendicular recording head

High linear density tunnel junction flux guide read head with in-stack longitudinal bias stack (LBS)

Method of providing a low-stress sensor configuration for a lithography-defined read sensor

Magnetoresistive sensor having an enhanced lead overlay design and shape enhanced pinning

Self-pinned read sensor design with enhanced lead stabilizing mechanism

Magnetoresistive sensor having a shape enhanced pinned layer

Current in plane magnetoresistive sensor having a contiguous hard bias layer located at back edge of stripe height

In-line contiguous resistive lapping guide for magnetic sensors

Current-perpendicular-to-plane magnetoresistive sensor with free layer stabilized by in-stack orthogonal magnetic coupling to an antiparallel pinned biasing layer

Method of forming an embedded read element

High linear density tunnel junction flux guide read head with in-stack longitudinal bias stack (LBS)

Method for biasing magnetoresistive sensor with decoupled hard bias multilayers

Notched shield and pole structure with slanted wing for perpendicular recording

Double notched shield and pole structure for stray field reduction in a magnetic head

Method for manufacturing a current in plane magnetoresistive sensor having a contiguous hard bias layer located at back edge of stripe height

GMR sensor with oriented hard bias stabilization

WESTERN DIGITAL TECH INC

Method to reduce baseline shift for a SOT differential reader

BiSbX (012) layers having increased operating temperatures for SOT and MRAM devices

SOT differential reader and method of making same

SOT film stack for differential reader

Apparatus and method for writing to magnetic media using an AC bias current to enhance the write field

High-bandwidth STO bias architecture with integrated slider voltage potential control

Magnetic sensor using inverse spin hall effect

Topological insulator based spin torque oscillator reader

BiSb topological insulator with seed layer or interlayer to prevent sb diffusion and promote BiSb (012) orientation

Spin-orbit torque induced magnetization switching in a magnetic recording head

Magnetic recording head with non-magnetic conductive structure surrounding a main pole and contacting a spin torque oscillator

Areal density capability improvement with a main pole skin

Two-dimensional magnetic recording (TDMR) to counter tape dimensional stability (TDS) errors in a tape media

IBM

CPP magnetoresistive sensors with in-stack longitudinal biasing and overlapping magnetic shield

Read head having a tunnel junction sensor with a free layer biased by exchange coupling with insulating antiferromagnetic (AFM) layers

Self aligned magnetoresistive flux guide read head with exchange bias underneath free layer

Tunnel valve flux guide structure formed by oxidation of pinned layer

Flux guide read head with in stack biased current perpendicular to the planes (CPP) sensor

In-stack longitudinal bias structure for CIP spin valve sensors with bias layer electrically insulated from free layer

Method of manufacturing a current-perpendicular-to-plane magnetoresistive device with oxidized free layer side regions

HGST Netherlands BV

Enhanced write pole and return pole for improved areal density

TMR/CPP reader for narrow reader gap application

MAURI DANIELE

Method and system for providing a side shielded read transducer

LI SHAOPING

Servo design in data storage media

HO KUOK SAN

Method and system for providing a read transducer having a reduced shield-to-shield spacing

SHANG CHANGHE

Antiferromagnetically-coupled soft bias magnetoresistive read head, and fabrication method therefore

HITACHI GLOBAL STORAGETECHNOLO

Self aligned magnetoresistive flux guide read head with exchange bias underneath free layer

WESTERN DIGITAL FREMONT LLC

Method and system for providing a read transducer having improved pinning of the pinned layer at higher recording densities