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Types and Uses of GaAs Devices
 
We introduce Types and Uses of GaAs Devices:
Types and Uses of GaAs electronic devices
Electronic devices
Material(layer/substrate)
Application
 Technology Tends
Material Required
Digital IC
(MESFETHEMT)
GaAs/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
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
 
 
 
 
 
Types and Uses of GaAs optoelectronic devices
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
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(680630nm)
 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
 
 

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