Inventor

CHOI CHANG AUCK

KR41 patents

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

CHOI CHANG AUCK

KOREA ELECTRONICS TELECOMM

Communication apparatus and method using human body as medium

Method for forming micro cavity

Method of fabricating microchannel array structure embedded in silicon substrate

Method of fabricating vacuum micro-structure

Programmable mask for exposure apparatus

MEMS package and packaging method thereof

Tunable-wavelength optical filter and method of manufacturing the same

Microelectrode, microelectrode array and method for manufacturing the microelectrode

Scanning micromirror for optical communication systems and method of manufacturing the same

Stiction-free microstructure releasing method for fabricating MEMS device

Thermally driven micro-pump buried in a silicon substrate and method for fabricating the same

Fine inductor having 3-dimensional coil structure and method for producing the same

Humidity sensor and method of manufacturing the same

Thermally actuated wavelength tunable optical filter

Optical tunable filters and optical communication device incorporated therein optical tunable filters

Bidirectional readout circuit for detecting direction and amplitude of capacitive MEMS accelerometers

Tunable-wavelength optical filter and method of manufacturing the same

Variable optical attenuator with tunable wavelength selectivity

Multi-step landing micro-mirror, method for manufacturing the same and multi-step landing micro-mirror array

Loop type micro heat transport device

Microbolometer with improved mechanical stability and method of manufacturing the same

Method of fabricating micro-vertical structure

Micromachined sensor for measuring vibration

Programmable mask and method of fabricating biomolecule array using the same

Resistive materials for microbolometer, method for preparation of resistive materials and microbolometer containing the resistive materials

Programmable mask and method of fabricating biomolecule array using the same

Apparatus for controlling fluid-heating using polymer disk

Tunable-wavelength optical filter and method of manufacturing the same

Wavelength tunable optical filter

Wavelength tunable filter capable of being bidirectionally driven by electromagnetic forces

Circuit for calculating a three-dimensional inclination angle

Infrared detection sensor and method of fabricating the same

CHOI CHANG AUCK

Micro piezoresistive pressure sensor and manufacturing method thereof

Tunable-wavelength optical filter and method of manufacturing the same

KO SANG CHOON

High-sensitivity z-axis vibration sensor and method of fabricating the same

JE CHANG-HAN

Capacitive accelerometer

ELECTRONICS & TELECOMMUNICATIONS RES INST

Pressure sensor and a method for manufacturing the same

LEE SUNG SIK

High resolution circuit for converting capacitance-to-time deviation

ELECT & TELECOMM RESEARCH INST

Multilayer-structured bolometer and method of fabricating the same

JE CHANG HAN

Apparatus for preventing stiction of MEMS microstructure

YANG WOO SEOK

Resistive material for bolometer, bolometer for infrared detector using the material, and method of manufacturing the bolometer