High Yield Reduced Process Tolerance Self-Aligned Double Mesa Process Technology for SiGe Power HBTs
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abstract
Two novel high yield reduced process tolerance process technologies were developed for double mesa SiGe power HBT. DC and RF results from both 10 and 20 finger devices were presented. A reduced tolerance process is essential in the further development of MMICs using these transistors.
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2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535)