Official title and information are available only for Plus and Premium subscribers.
Patent Pending Electret (formed of elektr- from "electricity" and -et from "magnet") is a dielectric material that has a quasi-permanent electric charge or dipole polarisation. An electret generates internal and external electric fields, and is the electrostatic equivalent of a permanent magnet.
To see the additional information details please login and subscribe to a Plus or Premium account.
