| Period |
Substance |
Usage |
Remark |
| 1994.04бн1995.06 |
Thin
film chip resistor. |
Precision
resistor |
ABCO |
| 1995.09бн1999.08 |
infrared
sensor device
& sensor module. |
Human
motion detecting
sensor,Temp. sensor. |
YOUNGNAM
University
Dr. M. H. Lee |
| 1996.08бн1997.06 |
surge
absorber device |
Over-Loaded
voltage
absorption element |
ABCO |
| 1998.10бн1999.10 |
bolometer
sensor |
Human
motion detecting
sensor, Temp. sensor. |
SERVO
Corporation of
America(U.S.A) |
| 1998.07бн1999.06 |
thin
film sensor
materials & ferroelectrics |
Infrared
detector. |
KYUNGWON
University
Advanced Materials
& Applied Technology |
| 1999.07бн2000.06 |
dielectric
thin film
for infrared sensor. |
Infrared
detector. |
Research
Center. |
| 1999.12бн |
PTC
element for
protection over-load current. |
Protecting
element for
over-load current circuit. |
Korea
Research Institute of Chemical Technology.
Dr. J. R. Lee |
| 2000.08бн |
thin
& thick film resistor for
application of mobile phone |
Usage
for mobile phone. |
ABCO |
2001.01~
2002.06 |
Wire wound type
Ferrite Chip
Inductor |
VCR camera,
PC,FDD,HDD,DTV |
ABCO |
| 2001.06бн |
Passive
element internal organs highly integrated VCO module
development |
Usage
for mobile phone. |
ABCO |
| 2002.09~ |
Acoustic Device
Development(speaker, receiver, buzzer) |
Mobile Phone,
PC,Camcorder, Notebook PC |
ABCO |
| Nov. 2003~ |
Slim type
Inductor |
Mobile Phone,
Digital Camera, Camcorder |
|