The prepared base board 10 is applied at {HEAD ~ its both sides} with dry films, and subjected to exposing and etching treatments to form {TAIL ~ driving patterns} 2 and 2′ and pickup patterns 4 and 4′  
The prepared base board 10 is applied at { HEAD ~ its both sides } with dry films , and subjected to exposing and etching treatments to form { TAIL ~ driving patterns } 2 and 2′ and pickup patterns 4 and 4′
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH