In the wired circuit board, {HEAD ~ the first metal thin film} is formed between the metal supporting board and {TAIL ~ the metal foil} 
is formed between
In the wired circuit board , { HEAD ~ the first metal thin film } is formed between the metal supporting board and { TAIL ~ the metal foil }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL