NAVIGATION
Platinum single crystal, 9-10mm (0.35-0.39in) dia, 50mm (2.0in) long, (111) orientation, nominal
: 7440-6-4
: 7440-6-4
: 7440-6-4
: 7440-6-4
Magnesium oxide substrate, 10x10x0.5mm, polished one side, 110 orientation
: 1309-48-4
Aluminum oxide, single crystal
: 11092-32-3