Assertion: hafnium | /r/ObjectUse | used as electrical insulator
Facets:
value: recently
type: TEMPORAL
value: in microprocessors - hafnium carbide
type: LOCATION
Source sentences:
text: Hafnium is a rare element with rare applications: - component of control rods for nuclear reactors - component of some alloys - getter in lamps and tubes - electrode for plasma cutters - hafnium dioxide was recently used as an electrical insulator in microprocessors - hafnium carbide has a very great point of melting (the most refractory compound known today) - possible use in weapons (USA)