{HEAD ~ A coating film} is formed on a substrate of sapphire by coating {TAIL ~ the substrate} with a jointing material prepared by dissolving Al3 and B3 into xylene 
{ HEAD ~ A coating film } is formed on a substrate of sapphire by coating { TAIL ~ the substrate } with a jointing material prepared by dissolving Al3 and B3 into xylene
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH