Inventor

WAN DUJIANG

US27 patents

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

WAN DUJIANG

WESTERN DIGITAL FREMONT LLC

Method and system for providing an energy assisted magnetic recording head

Method for fabricating a pole of a magnetic transducer

Method and system for providing optical proximity correction for structures such as a PMR nose

System and method for fabricating a magnetic recording pole

Method of making an ultra-sharp tip mode converter for a HAMR head

Method to make interferometric taper waveguide for HAMR light delivery

Systems and methods for using double mask techniques to achieve very small features

Double exposure technique for high resolution disk imaging

Method and system for providing a perpendicular magnetic recording head

YI GE

Method for providing an energy assisted magnetic recording head in a wafer packaging configuration

Vehicle onboard safety system

Multi-purpose sensor

Fall detection method and system

Universal fall detection system

Wireless near field communication system

WESTERN DIGITAL TECH INC

Magnetic sensor array with different RA TMR film

Magnetic sensor array with dual TMR film

Magnetic sensor with dual TMR films and the method of making the same

WAN DUJIANG

Resist pattern protection technique for double patterning application

Method for fabricating a structure for a microelectric device

WANG LEI

Method for providing an energy assisted magnetic recording (EAMR) head

OSUGI MASAHIRO

Method and system for providing a magnetic recording transducer using an ion beam scan polishing planarization

GAO WEI

Method of forming a dielectric slope for EAMR and magnetic writer

ZHANG HONG

Method and system for providing a perpendicular magnetic recording head

LUO GUANGHONG

Method for providing a structure in a magnetic transducer

LI YUNFEI

Process for CMP with large feature size variation

WESTERN DIGITAL (FREMONT) LLC

Method for fabricating a magnetic recording device having a high aspect ratio structure