Inventor

HWANG CHERNGYE

US117 patents

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

HWANG CHERNGYE

IBM

Magnetoresistive sensor having antiferromagnetic exchange bias

Magnetoresistive sensor having antiferromagnetic layer for exchange bias

Magnetoresistive read transducer containing a titanium and tungsten alloy spacer layer

CMP assisted liftoff micropatterning

Process to tune the slider trailing edge profile

Use of thin carbon films as a bottom anti-reflective coating in manufacturing magnetic heads

Silicon coating on air bearing surface for magnetic thin film heads

Carbon overcoat for a slider with improved step coverage

Contact magnetic recording disk file with improved head assembly

Thin film diode having large current capability with low turn-on voltages for integrated devices

Process for generating beveled edges

Magnetoresistive read transducer

Method of manufacturing a magnetic head including a read head with read track width defining layer that planarizes the write gap layer of a write head

Method for making a thin film merged magnetoresistive read/inductive write head having a pedestal pole tip

Magnetoresistive transducer having tantalum lead conductors

Method and apparatus for achieving etch rate uniformity in a reactive ion etcher

Air bearing slider having a relieved trailing edge

Method for forming the air bearing surface of a slider using nonreactive plasma

Method for forming the air bearing surface of a slider

Method for grading surface topography for improved step coverage and planarization

Thin film magnetic recording disk comprising a metallic disk blank, a substantially non-magnetic Ni-Cr-O film having a textured surface and a magnetic film

Method for protecting magnetic read/write transducers against electrostatic discharge during disk drive manufacturing

Reactive ion etching of alumina/TiC substrates

Cermet adhesion layer with carbonaceous wear layer for head/disk interfaces

CMP assisted liftoff micropatterning

Reactive ion etching of the lapped trailing edge surface of a slider

Method of making second pole tip of a write head with a narrow track width

Combined read head and write head with non-magnetic electrically conductive layer on upper pole tip thereof

Magnetic write head having a coil with submicron pitch

Dual gap horizontal thin film inductive head

System and method for differential etching

Silicon coating on air bearing surface for magnetic thin film heads

Method of etching ceramics of alumina/TiC with high density plasma

WESTERN DIGITAL TECH INC

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

SOT film stack for differential reader

Heat-assisted magnetic recording (HAMR) write head with protective multilayer film for near-field transducer

Topological insulator based spin torque oscillator reader

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

Bismuth antimony alloys for use as topological insulators

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

Read head having one or more antiferromagnetic layers above soft bias side shields, and related methods

Method to coat NFT area with highly thermal conducting material in HAMR structure

BISKEBORN ROBERT G

System and method for differential etching

Head comprising a crystalline alumina layer

Patterning process for small devices

HGST Netherlands BV

Method for manufacturing a magnetic tape head using an ink mask formed by printing

Flux-guided tunneling magnetoresistive (TMR) sensor for magnetic tape with reduced likelihood of electrical shorting

Method to coat NFT area with highly thermal conducting material in HAMR structure

WESTERN DIGITAL TECHNOLOGIES INC

Magnetic recording disk drive with a contact pad for protection of the write head and process for making the pad

HITACHI GLOBAL STORAGE TECH

Method for fabricating a magnetic transducer with a corrosion resistant layer on metallic thin films by nitrogen exposure