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Npn-heterojunction bipolar transistor including an antimonide base formed on semi-insulating indium phosphide substrate
Npn-heterojunction bipolar transistor including an antimonide base formed on semi-insulating indium phosphide substrate
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机译:Npn-异质结双极晶体管,包括在半绝缘的磷化铟衬底上形成的锑化物基极
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摘要
A heterojunction bipolar transistor (HBT) (10, 30) includes an indium-gallium-arsenide (InGaAs), indium-phosphide (InP) or aluminum-indium-arsenide (AlInAs) collector layer (14) formed over an indium-phosphide (InP) substrate (12). A base layer (16, 32) including gallium (Ga), arsenic (As) and antimony (Sb) is formed over the collector layer (14), and an AlInAs or InP emittor layer (18) is formed over the base layer (16, 32). The base layer may be ternary gallium-arsenide-antimonide (GaAsSb) doped with beryllium (Be) (16) (Fig. 1). IMAGE
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