injecting a plastic molding composition into the mold and against the molding surface of the master element to injection mold a diffractive optical element, whereby {HEAD ~ the optical element} has {TAIL ~ the desired diffraction pattern} on its surface and 
injecting a plastic molding composition into the mold and against the molding surface of the master element to injection mold a diffractive optical element , whereby { HEAD ~ the optical element } has { TAIL ~ the desired diffraction pattern } on its surface and
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH