Assertion: capacitor's conductor | /r/HasProperty | thin film
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: A conductor may be a foil, thin film, sintered bead of metal, or an electrolyte.
text: The conductors are usually thin layers of aluminum foil, while the dielectric can be made up of many materials including paper, mylar, polypropylene, ceramic, mica, and even air.