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