Han-Su Kim, Kyuchul Chong, et al.
IEEE Electron Device Letters
Paper
Frequency Response of Bipolar Junction Transistors after Electron-Beam irradiation
Abstract
The effect of electron-beam irradiation on the frequency response of modern bipolar transistors has been measured. The electron energies used are typical of those used in e-beam lithography. While the current gain of the transistors at dc is sharply reduced, the high-frequency response is virtually unchanged. This result demonstrates that the frequency response is limited by the base transit line. © 1989 IEEE
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