Patent ID: 6043518
Filing Date: 2000-03-28
Classification: H01L

Abstract:
A multiple-function GaAs transistor structure comprising:a n.sup.+ -GaAs (10.sup.19 cm.sup.-3) substrate,a n-type GaAs (2.times.10.sup.15 cm.sup.-3) buffer layer of 0.35 .mu.m thickness,a n-type GaAs (5.times.10.sup.14 cm.sup.-3) barrier layer of 0.15 .mu.m thickness,a n-type GaAs (5.times.10.sup.8 cm.sup.-3) active channel of 20 nm thickness, anda n-type GaAs (5.times.10.sup.14 cm.sup.-3) cap layer of 50 nm thickness; andwherein each of said layers situated in this order on said substrate.