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