In the above embodiment, {HEAD ~ the pitch} of {TAIL ~ the spacers}, for example, was 10 μm, these values may be changed by changing the mask pattern 
of
In the above embodiment , { HEAD ~ the pitch } of { TAIL ~ the spacers } , for example , was 10 μm , these values may be changed by changing the mask pattern
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH