Separating the solid electrolyte layer 58 from species selective electrode 50 is an insulating layer 60 having a section 54 including {TAIL ~ an opening pattern} 66 and {HEAD ~ a dense or solid section} 55 
Separating the solid electrolyte layer 58 from species selective electrode 50 is an insulating layer 60 having a section 54 including { TAIL ~ an opening pattern } 66 and { HEAD ~ a dense or solid section } 55
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH