{HEAD ~ The semiconductor device} 15, wherein {TAIL ~ the spacer} is an organic material selected from the group consisting of butyl rubber, EPDM rubber, silicone rubber, and fluororubber 
wherein
{ HEAD ~ The semiconductor device } 15 , wherein { TAIL ~ the spacer } is an organic material selected from the group consisting of butyl rubber , EPDM rubber , silicone rubber , and fluororubber
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH