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