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