Electronic devices

Material(layer/substrate)

Application

Technology Tends

Material Required

Digital IC
(MESFETHEMT)

GaAs/GaAs
GaAlAs/GaAs

Ultra-high-speed computers
PC,ATM,Image Processing

High level of integration
Low operating voltage

Microvave Devices
(MESFETHEMT,
Simulation
ICMMICHBT)

GaAs/GaAs
GaAlAs/GaAs
GaAlAs/InGaAs/GaAs
InGaP/GaAs/GaAs

Mobile communications, satellite broadcasting
Low-noise receiver, amplified
Automotive anti-collision system
PAR

High power, low noise,
High level of integration
Low operating voltage

Low cost
Large diameter
Low Vth

Hall devices

GaAs/GaAs

Auto VTR、
FDD sensors
Position detection sensor

High sensitivity

Low cost,large
diameter

Optoelectronic
devices

Material(layer/substrate)

Application

Home appliances, DA, electronic equipment
Car lights
Lights in fax

Technology Tends

High brightness
Short wavelength

Material Required

Low costs
Large diameter

Visible Light LED

GaAsP/GaAs( red )
GaAlAs/GaAs(high brightness red)
InGaAlP/GaAs(high brightness
orange/yellow)

IR LED

GaAs/GaAs
GaAlAs/GaAs

Home appliances,DA
machinery in Electronics industry
Remote control and optocoupler
Optical circuit breaker

High power

Semiconductor
Laser

GaAs/GaAs

Optical communication switch

Short Wavelength
LD

GaAlAs/GaAs(780nm)
InGaAlP/GaAs(680～630nm)

Light-emitting devices for Optical LAN,light emitting
devices for testing equipments,CD,MD,Laser
printer,CD-Rom,DVD-Rom,DVD-RAM

High Power,high level of
integration,low wavelength

Low density,large
diameter,low cost

Solar Cell

GaAs/GaAs

Satellite broadcasting, communications,Unmanned
meteorological stations