The present invention discloses an X-ray source comprising an X-ray source including a high-voltage applying part for generating an X-ray projecting from a bulb part; a power supply including an insulating block molding therein a voltage generating part for supplying a voltage to the high-voltage applying...http://www.google.es/patents/US7031433?utm_source=gb-gplus-sharePatente US7031433 - X-ray source and a nondestructive inspector