Separating {HEAD ~ 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 a dense or solid section 55 
Separating { HEAD ~ 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 a dense or solid section 55
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH