A layered film of {HEAD ~ a three layer clad foil} formed with a first metal layer 23, {TAIL ~ a second metal layer} 25, and an inorganic insulating layer 35 interposed therebetween is prepared 
A layered film of { HEAD ~ a three layer clad foil } formed with a first metal layer 23 , { TAIL ~ a second metal layer } 25 , and an inorganic insulating layer 35 interposed therebetween is prepared
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH