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