Also, {HEAD ~ the improved color filter pattern} of the device, which includes green, yellow and cyan, requires {TAIL ~ only two filter fabrication mask steps}, and is designed for optimal sensitivity 
requires
Also , { HEAD ~ the improved color filter pattern } of the device , which includes green , yellow and cyan , requires { TAIL ~ only two filter fabrication mask steps } , and is designed for optimal sensitivity
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH