In one configuration denoted {HEAD ~ a liquid jet type} of X ray generator, a nozzle and a mirror are situated in {TAIL ~ a vacuum chamber} 
In one configuration denoted { HEAD ~ a liquid jet type } of X ray generator , a nozzle and a mirror are situated in { TAIL ~ a vacuum chamber }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL