The non ejection grooves extend, on the other side, up to {HEAD ~ a second side peripheral end} of the actuator substrate, and the actuator substrate is left to form raised bottom portions on bottoms of {TAIL ~ the non ejection grooves} near the second side peripheral end 
The non ejection grooves extend , on the other side , up to { HEAD ~ a second side peripheral end } of the actuator substrate , and the actuator substrate is left to form raised bottom portions on bottoms of { TAIL ~ the non ejection grooves } near the second side peripheral end
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD 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 OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH