用H3PO4:H2O2系和HCl系腐蚀液实现了InP对InGaAs、InGaAs对InP的湿法化学选择腐蚀,并将其应用于InP/InGaAsHBT制作,发射极面积为10μm×20μm的单管共发射极直流增益β为70,截止频率Ft和最大振荡频率Fmax分别为11GHz和12GHz.
参考文献
[1] | Miyamoto Y.;Rios J.M.M. .Reduction of base-collector capacitance by undercutting the collector and subcollector in GaInAs/InP DHBTs[J].IEEE Electron Device Letters,1996(3):97-99. |
[2] | Liou K.-Y.;Chandrasekhar S. .A 5 Gb/s monolithically integrated lightwave transmitter with 1.5 mu m multiple quantum well laser and HBT driver circuit[J].IEEE Photonics Technology Letters,1991(10):928-930. |
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