Disclosed is a laser processing apparatus and method for enhancing {TAIL ~ processing efficiency} of an object by means of {HEAD ~ a polygon mirror} 
Disclosed is a laser processing apparatus and method for enhancing { TAIL ~ processing efficiency } of an object by means of { HEAD ~ a polygon mirror }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD