The X ray generator according to the second aspect of the invention includes {HEAD ~ a hot cathode} heated by electrons which are emitted by a cold cathode electron emission source made of carbon material , so that a high voltage cable is given {TAIL ~ no large current} 
The X ray generator according to the second aspect of the invention includes { HEAD ~ a hot cathode } heated by electrons which are emitted by a cold cathode electron emission source made of carbon material , so that a high voltage cable is given { TAIL ~ no large current }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL