Definition of Electrets. Meaning of Electrets. Synonyms of Electrets

- across a gap, or a dielectric barrier. There are two types of electrets: Real-charge electrets which contain excess free charges such as electrons or electron...
- formation of a magnet by alignment of magnetic domains in a piece of iron. Electrets are commonly made by first melting a suitable dielectric material such...
- bulk resistivity makes it an ideal material for fabricating long-life electrets, the electrostatic analogues of permanent magnets. PTFE film is also widely...
- and Gravitation, physicist Edward Teller discussed experimentation with electrets, or materials with a permanent electric dipole moment, near its transition...
- ferromagnetism. An electrostatic motor is the dual of a magnetic motor; Electrets are the dual of permanent magnets; The Faraday effect is the dual of the...
- called electrets (which should not be confused with ferroelectrics), may retain excess internal charge or "frozen in" polarisation. Electrets have a semi-permanent...
- and crystals; however, soft pyroelectricity can be achieved by using electrets. Pyroelectricity is measured as the change in net polarization (a vector)...
- production and design of microphones and techniques for creating polymer foil electrets. West was born on February 10, 1931, in Farmville, Prince Edward County...
- driver by an external generator. Electret and electrostatic headphones are relatively uncommon. Original electrets were also typically cheaper and lower...
- condenser microphone is replaced by a permanent charge in an electret material. An electret is a ferroelectric material that has been permanently electrically...