Double-spindle triple-workstation(DSTW) ultra precision grinders are mainly used in production lines for manufacturing and back thinning large diameter(≥300 mm
Ultrafast electromagnetic waves radiated from semiconductor material under high electric fields and photoexcited by femtosecond laser pulses have been recorded
A dual mode charge pump to produce an adaptive power supply for a class G audio power amplifier is presented.According to the amplitude of the input signals,the