Inventor

CHIEN CHEN-JUNG

US52 patents

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

CHIEN CHEN-JUNG

HEADWAY TECHNOLOGIES INC

Composite hard bias design with a soft magnetic underlayer for sensor applications

Abutted junction GMR read head with an improved hard bias layer and a method for its fabrication

Method for fabricating lead overlay (LOL) on the bottom spin valve GMR read sensor

Process for manufacturing a spin valve recording head

Robust hard bias/conductor lead structures for future GMR heads

Method for manufacturing a self-aligned full side shield PMR

FCC-like trilayer AP2 structure for CPP GMR EM improvement

Laminated film for head applications

Hard bias design for extra high density recording

Composite hard bias design with a soft magnetic underlayer for sensor applications

Process for manufacturing a magnetic read head

Bottom spin valve sensor having a lead overlay (LOL) structure fabricated thereon

Protective layer for continuous GMR design

Patterned exchange bias GMR using metallic buffer layer

Robust hard bias/conductor lead structures for future GMR heads

Junction stability and yield for spin valve heads

Protective layer for continuous GMR design using reverse photo mask

Ta/W film as heating device for dynamic fly height adjustment

FCC-like trilayer AP2 structure for CPP GMR EM improvement

WESTERN DIGITAL TECH INC

Effective rear hard bias for dual free layer read heads

Transverse bias strength enhancement in dual free layer tunnel magnetoresistive read heads

Method to enhance magnetic strength and robustness of rear hard bias for dual free layer read

Planar design for sensors in a dual free layer read head

Method of forming a magnetic head

DFL read head with SiOx cap layer on AlOx refill layers

Two-dimensional magnetic recording reader with dual free layer magnetic tunnel junction

Produce thinner DTS and adjustable capacitance for TDMR heads

Magnetic sensor array with single TMR film plus laser annealing and characterization

Magnetic sensor array with one TMR stack having two free layers

Bottom leads chemical mechanical planarization for TMR magnetic sensors

Magnetic sensor with serial resistor for asymmetric sensing field range

Magnetic sensor array with single TMR film plus laser annealing and characterization

Dual free layer TMR magnetic field sensor

Pinned shield with controllable exchange bias field

Magnetic sensor array with different RA TMR film

Magnetic sensor array with dual TMR film

Middle shields two-dimensional magnetic recording read heads

WESTERN DIGITAL FREMONT LLC

Method of manufacturing a magnetic read head

Method and system for providing a read transducer having a dual free layer

Tunnel magnetoresistance read head with narrow shield-to-shield spacing

Free layer only magnetic reader that may have a reduced shield-to-shield spacing and a multilayer side bias

Magnetoresistive sensor for a magnetic storage system read head, and fabrication method thereof

WESTERN DIGITAL (FREMONT) LLC

Tunnel magnetoresistance read head with narrow shield-to-shield spacing

Magnetic read head with antiferromagentic layer

MAGIC TECHNOLOGIES INC

Bottom conductor for integrated MRAM

Bottom conductor for integrated MRAM

XIAO RONGFU

Tunnel magnetoresistance read head with narrow shield-to-shield spacing

SANDISK TECHNOLOGIES LLC

Tunnel magnetoresistance read head including side shields containing nanocrystalline ferromagnetic particles

ZHANG KUNLIANG

Hard bias design for extra high density recording

HAN CHERNG-CHYI

Self-aligned full side shield PMR and method to make it