@inproceedings{CTT100634696, author = {Tatsuya Yamazaki and Itaru Namura and Toshihiro Sugii and Hiroshi Goto and Akinori Tahara and Takashi Ito}, title = {High Speed Si Hetero-Bipolar Transistor with a SiC Wide-gap Emitter and an Ultra-thin Heavily Doped Photoepitaxially Grown Base}, booktitle = {Proc. IEEE 1991 Bipolar Circuits and Technology Meeting}, year = 1991, }