activation means for flooding {TAIL ~ the chip surface} with {HEAD ~ pulsed ultraviolet laser light}, causing photoelectron emission as a function of the voltages at test points on the wafer  
activation means for flooding { TAIL ~ the chip surface } with { HEAD ~ pulsed ultraviolet laser light } , causing photoelectron emission as a function of the voltages at test points on the wafer
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH