Inventor

LI YUN-FEI

US39 patents

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

LI YUN-FEI

HEADWAY TECHNOLOGIES INC

Method for fabricating a patterned synthetic longitudinal exchange biased GMR sensor

Hard bias design for extra high density recording

Double layer spacer for antiparallel pinned layer in CIP/CPP GMR and MTJ devices

Process for manufacturing a magnetic read head

Easily manufactured exchange bias stabilization scheme

Patterned, synthetic longitudinally exchange biased GMR sensor

Composite free layer for CIP GMR device

Patterned exchange bias GMR using metallic buffer layer

Hard biased materials for recording head applications

Easily manufactured exchange bias stabilization scheme

Exchange bias structure for abutted junction GMR sensor

Boron doped CoFe for GMR free layer

Method for fabricating a patterned, synthetic transverse exchange biased GMR sensor

Method for fabricating a patterned, synthetic transversely exchanged biased GMR sensor

Exchange bias structure for abutted junction GMR sensor

Self-pinned GMR structure by annealing

WESTERN DIGITAL FREMONT LLC

Method for fabricating a pole of a magnetic transducer

Method and system for cleaning magnetic artifacts using a carbonyl reactive ion etch

System for providing a perpendicular magnetic recording transducer using a split seed layer

Method for fabricating a magnetic recording transducer using a split seed layer

Method to fabricate an ESD resistant tunneling magnetoresistive read transducer

ZHOU RONGHUI

Damascene write poles produced via full film plating

Method and system for providing a full wrap-around shield using a frame configured wet etch in a damascene process

Dual damascene process for producing a PMR write pole

LUO GUANGHONG

Perpendicular magnetic recording head having reduced shield notching

Method for providing a perpendicular magnetic recording (PMR) transducer

GUAN LIJIE

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

Double rie damascene process for nose length control

LI YUN-FEI

Methods of producing damascene main pole for perpendicular magnetic recording head

Method and system for providing a magnetic recording transducer having side shields

RUDY STEVEN C

Method for providing and utilizing an electronic lapping guide in a magnetic recording transducer

Electronic lapping guide in a magnetic recording transducer

ZHANG JINQIU

Method for providing a perpendicular magnetic recording (PMR) pole

SI WEIMIN

Method for providing a perpendicular magnetic recording transducer using a low energy mill

TANG YUNJUN

Method and system for providing a high moment film

YANG DANNING

Method for providing a magnetoresistive element having small critical dimensions

ZHANG KUNLIANG

Hard bias design for extra high density recording

UNITED MICROELECTRONICS CORP

Interconnect structure and fabricating method thereof

XIANG XIAOHAI

Double patterning hard mask for damascene perpendicular magnetic recording (PMR) writer