Patterned silicon-on-insulator technology for RF Power LDMOSFET
This paper presents the first results of a practical SOI LDMOSFET in patterned SOI substrate that has been successfully prepared by masked SIMOX method. The device exhibits good electrical performance including a leakage current of 20nA, the flat output characteristic curves, a cutoff frequency up to 8GHz, and a voltage gain of 2.5dB at 2GHz. The proposed technology not only suppresses floating body effects effectively but also preserves SOI technologys advantage of low power assumption. Moreover, the process is compatible with conventional SOI technology.
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