산 혼합 용액에 의해 에미터가 식각되므로 CET 직후 소수 전하수명과 개방 전압이 크게 저하되는 것을 확인하였다.
Since the emitter was etched by the acid mixture, it absolutely was verified that the fractional charge lifetime and available circuit voltage were greatly paid down immediately after CET.