Inventor

SHI CHANGQING

US45 patents

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

SHI CHANGQING

WESTERN DIGITAL TECH INC

Write heads having conducting side gap for directing current

Write heads configured to redirect current

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

Write heads configured to redirect current

Magnetic head with assisted magnetic recording

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

Energy assisted magnetic recording head having improved areal density capability

Magnetic recording head soft error rate improvement with compact main pole

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

Magnetic head with assisted magnetic recording and method of making thereof

Energy assisted magnetic recording head having improved areal density capability

Magnetic head with assisted magnetic recording comprising an electrically conductive, non-magnetic material

Magnetic head with assisted magnetic recording

HITACHI GLOBAL STORAGE TECH NL

Perpendicular magnetic recording write head with magnetic shields separated by nonmagnetic layers

Perpendicular magnetic recording write head with flux shaping layers on the write pole and magnetic recording system incorporating the write head

Perpendicular magnetic write head with a thin wrap around magnetic shield

Magnetic head for perpendicular recording having stepped wrap around shield with independent control of write pole track width and flare point dimensions

Perpendicular magnetic write head with stepped write pole for reduced MCW dependency on skew angle

Write head with self-cross biased pole for high speed magnetic recording

Magnetic recording media with orthogonal anisotropy enhancement or bias layer

SHI CHANGQING

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

Method and system for calibrating an electronic lapping guide for a beveled pole in a magnetic recording transducer

Straight top main pole for PMR bevel writer

Method of forming a straight top main pole for PMR bevel writer

SANDISK TECHNOLOGIES LLC

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

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 assisted magnetic recording and method of making thereof

WESTERN DIGITAL FREMONT LLC

System for calibrating an electronic lapping guide for a beveled pole in a magnetic recording transducer

Method and system for measuring magnetic interference width

System for adjusting lapping of a transducer using a disk windage

HITACHI GLOBAL STORAGE TECH

Perpendicular magnetic recording write head with trailing shield having notch and throat height defined by nonmagnetic pad layer

Method for manufacturing a perpendicular magnetic write head with wrap around magnetic trailing and side shields

Adaptive domain stabilization for magnetic recording read sensors

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

JIANG MING

Method and system for providing a wrap-around shield using a patterned seed layer

Perpendicular magnetic write head with stitched notched trailing shield

LAM TERENCE TIN-LOK

Method for making coplanar write head pole tips

Self-aligned coil process in magnetic recording heads

LUO GUANGHONG

Method and system for providing a perpendicular magnetic recording pole using multiple chemical mechanical planarizations

RUDY STEVEN C

Method and system for adjusting lapping of a transducer using a disk windage

CHEN TSUNG YUAN

Perpendicular magnetic recording head having a notched trailing shield

HSIAO WEN-CHIEN DAVID

Perpendicular magnetic recording writer main pole having imbedded non-magnetic core and de-coupled pole tip

GIDER SAVAS

Method and apparatus for providing a write head with an improved pole tip to improve overwrite and/or adjacent track interference