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