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Topic: Triboelectric series


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In the News (Wed 9 Dec 09)

  
  NationMaster - Encyclopedia: Electrostatic discharge   (Site not responding. Last check: 2007-10-23)
ESD is a serious issue in electronics, because integrated circuits are made from semiconductor materials such as silicon and insulating materials such as silicon dioxide, which can break down if exposed to high voltages.
This consists of a capacitor in series with a resistor.
An electrostatic discharge generator according to claim 1 wherein said probe is a metallic plate and having a center and a side, the center of the plate being electrically coupled to the impedance element and the side of the plate being electrically connected to the conductive body.
www.nationmaster.com /encyclopedia/Electrostatic-discharge   (1986 words)

  
 Capacitor - Facts, Information, and Encyclopedia Reference article
This is the triboelectric effect, the mechanical separation of charge in a dielectric.
This is the frequency at which resonance occurs in an RLC series circuit.
For an ideal capacitor, the capacitor current is proportional to the time rate of change of the voltage across the capacitor where the constant of proportionality is the capacitance, C:
www.startsurfing.com /encyclopedia/c/a/p/Capacitor.html   (2699 words)

  
 Articles - Capacitor   (Site not responding. Last check: 2007-10-23)
Also, a very large resistor might be connected across each capacitor to ensure that the total voltage is divided appropriately for the individual ratings, rather than by minute differences in the capacitance values.
Another application is for use of polarized capacitors in alternating current circuits; the capacitors are connected in series, in reverse polarity, so that at any given time one of the capacitors is not conducting.
In mathematical terms, the ideal capacitor can be considered as an inverse of the ideal inductor, because the voltage-current equations of the two devices can be transformed into one another by exchanging the voltage and current terms.
www.sinoz.com /articles/Capacitor   (3475 words)

  
 The Triboelectric Series of Materials Causing Static Electricity - Succeed in Physical Science
Since static electricity is the collection of electrically charged particles on the surface of a material, various materials have a tendency of either giving up electrons and becoming positive (+) in charge or attracting electrons and becoming negative (-) in charge.
The Triboelectric Series is a list of materials, showing which have a greater tendency to become positive (+) and which have a greater tendency to become negative (-).
The Triboelectric Series is a list of materials, showing the relative tendency to become charged.
www.schoolforchampions.com /science/static_materials.htm   (1038 words)

  
 unchanging
Static can be a serious nuisance in the processing of analog recording media, because it can attract dust to sensitive materials.
In the case of photography, dust accumulating on lenses and photographic plates degrades the resulting picture.
This surface charge imbalance, which leads to static electricity, can be generated by touching two differing surfaces together and then separating them due to the phenomena of contact electrification and the triboelectric effect.
www.experiencefestival.com /unchanging   (764 words)

  
 PowerPedia:Testatika - PESWiki
The front clear perspex disc ('cloud' disc; positive charge) and the back dark disc ('ground' disc; negative charge) corresponds to the triboelectric series.
Testatika's thermionic rectifying valve has an anode mesh-plate, a coiled copper grid, a glowing (heated) cathode wire running horizontally across its centre, and the associated wires.
The horseshoe magnet contain four blocks of plexiglass-type media (p) alternated with copper (c) and aluminium (a) plates (in the series, c-p-a-c-p-a).
www.peswiki.com /index.php/PowerPedia:Testatika   (1642 words)

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