GaN on Sapphire for RF

GaN on Sapphire for RF

PAM XIAMEN offers GaN on Sapphire for RF.

1.1 GaN HEMT Structure on Sapphire for RF Application

Wafer size2”, 3”, 4”, 6”
AlGaN/GaN HEMT structureRefer 1.2
Carrier density6E12~2E13 cm2
Hall mobility/
Sheet Resistivity/
AFM RMS (nm)of 5x5um2<0.25nm
Edge exclusion <2mm
siN passivation layer 0~30nm
u-GaN cap layer /
Al composition20-30%
In composition17% for InAlN
AlGaN barrier layer 20~30nm 
AlN spacer /
GaN buffer layer(um)/
GaN channel/
Fe doped GaN buffer/
Substrate materialSapphire substrate


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Found in 1990, Xiamen Powerway Advanced Material Co., Ltd (PAM-XIAMEN) is a leading manufacturer of semiconductor material in China. PAM-XIAMEN develops advanced crystal growth and epitaxy technologies, manufacturing processes, engineered substrates and semiconductor devices. PAM-XIAMEN’s technologies enable higher performance and lower cost manufacturing of semiconductor wafer.

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