It is the object of the present invention to provide a vacuum circuit breaker having highly reliable electrodes which exhibit {HEAD ~ little deformation} with the lapse of time, as well as a vacuum valve for use in the vacuum circuit breaker, an electric contact for use in the vacuum valve and a method for making {TAIL ~ the electric contact} 
It is the object of the present invention to provide a vacuum circuit breaker having highly reliable electrodes which exhibit { HEAD ~ little deformation } with the lapse of time , as well as a vacuum valve for use in the vacuum circuit breaker , an electric contact for use in the vacuum valve and a method for making { TAIL ~ the electric contact }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL