The present invention provides a method of manufacturing a porous chemical mechanical polishing pad comprising focusing a laser beam from {HEAD ~ a laser} into a sintering nozzle and injecting the fluidized thermoplastic particles into {TAIL ~ the sintering nozzle} via an injection port 
The present invention provides a method of manufacturing a porous chemical mechanical polishing pad comprising focusing a laser beam from { HEAD ~ a laser } into a sintering nozzle and injecting the fluidized thermoplastic particles into { TAIL ~ the sintering nozzle } via an injection port
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH