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Topic: Conductor (material)

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  Conductor (material) - Wikipedia, the free encyclopedia
Electrically conductive materials are usually classified according to their electrical resistance; ranging from high to null resistance, there are semiconductors, ordinary metallic conductors (also called normal metals), and superconductors.
In United States, conductors are measured by American wire gauge for smaller ones, and circular mils for larger ones.
Conductors are usually surrounded by and/or supported by insulators and the insulation determines the maximum voltage that can be applied to any given conductor.
en.wikipedia.org /wiki/Conductive   (753 words)

 [No title]
Within the circuit conductor material, during the passage of electro-magnetic energy, this energy is continuously being consumed within the molecular space and converted into thermo-dynamic energy (heat).
The space outside of the conductor material, bounded by the electric circuit, has the property of propagating a wavefront of light at a definite velocity, C. This velocity is a characteristic property of the aether in which the electric circuit exists.
If a section of a superconducting material is suspended in space, free to move, and a magnetic field of induction is made to approach this material, it is found that the material is repelled by the approach of the field.
www.borderlands.com /archives/arch/fallacy.txt   (1039 words)

 Conductor (material) Info - Bored Net - Boredom   (Site not responding. Last check: 2007-11-04)
When an electric potential difference is impressed at separate points on a conductor, an electric current flows in accordance with Ohm's law.
Consequently, a conductor of a given material and volume (length x cross-sectional area) has a limit to the current it can carry without being destroyed thermally or mechanically.
A special case of a conductor is the superconductor, a conductor that does not offer any resistance to its flowing electrons at all.
www.borednet.com /e/n/encyclopedia/c/co/conductor__material_.html   (213 words)

 Encyclopedia: Conductor (material)   (Site not responding. Last check: 2007-11-04)
A semiconductor is a material with an electrical conductivity that is intermediate between that of an insulator and a conductor.
Superconductivity is a phenomenon occurring in certain materials at low temperatures, characterised by the complete absence of electrical resistance and the damping of the interior magnetic field (the Meissner effect.
The opposite of electrical insulators are conductors and semiconductors, which permit the flow of current (Note: a semiconductor is strictly speaking also an insulator, since it prevents the flow of electrical current at low temperatures, unless it is doped with atoms that release extra charges to carry the current).
www.nationmaster.com /encyclopedia/Conductor_%28material%29   (1748 words)

 Madison Cable
The ability of a material to act as a conductor, semi-conductor or insulator is determined by that material's molecular structure.
Stranded conductor constructions were developed as a means of overcoming the rigidity of solid wires.
Silver-coated conductors are reliable for continuous temperature application through 200°C. Although higher in cost than tinned copper, silver coated conductors have a lower resistance, than either tin or nickel coated conductors.
www.madisoncable.com /CableDesign.asp   (1128 words)

 Process for restructuring thin strip semi-conductor material - Patent 4410392   (Site not responding. Last check: 2007-11-04)
The thin strip material is heated at the heating station to a desired temperature between the recrystallization temperature and the melting temperature.
The desirable characteristics of a thin strip material having a single crystal or as large a grain size as possible may be derived by surface melting of the thin strip so that a solid substrate or core remains.
The thickness of the resulting thin strip of material is a function of the rate at which the incoming strip 12 is fed to the melting and containment station 14 and the exiting solidifying strip is withdrawn from that station 14.
www.freepatentsonline.com /4410392.html   (7988 words)

 Light emitting device using porous semi-conductor material - Patent 5726464
A light emitting device comprises a luminous region comprising a luminous porous material comprising a crystalline semiconductor, and a non-porous region adjacent to the luminous region, wherein a conductive type between the regions is different at an interface between the luminous region and the non-porous region, and the crystal structure between the regions is continuous.
In the porous material existing in the light emitting region 2, the structure is formed of the same mother material as the injection electrode region 1 or 3, whereby it is not important that hetero-material may be formed on the surfaces facing pores in the residual structure.
In either case, the intermediate layer 2' is made of a non-porous material of the same conductive type as that of the luminous porous layer 2 and has a continuous crystal structure at the pn-junction interface 4 to the substrate 1.
www.freepatentsonline.com /5726464.html   (9328 words)

 [No title]   (Site not responding. Last check: 2007-11-04)
of a material that is substantially insoluble in material comprising ion conductor 140.
Ion conductor 140 and electrode 120 may then be formed within insulating layer 150 by depositing ion conductor 140 material and electrode 120 material within the via.
For example, for a given insulating material, the effective threshold voltage of device 300 generally increases as a thickness of barrier 350 increase, thus device 300 threshold voltage may be controlled, at least in part, by controlling barrier 350 thickness.
www.wipo.int /cgi-pct/guest/getbykey5?KEY=00/48196.000817&ELEMENT_SET=DECL   (5481 words)

 Conductor - Wikipedia, the free encyclopedia
Conductor (material), a material in which an electric current can be produced.
Conductor (music),The person who leads a musical ensemble.
Conductor (transportation), a person who sells and checks tickets on a bus, train, etc.
en.wikipedia.org /wiki/Conductor   (115 words)

 Conductor (material) - RecipeFacts   (Site not responding. Last check: 2007-11-04)
In power engineering, a conductor is a piece of metal used to conduct electricity, known colloquially as a wire.
The ampacity of a conductor, that is, the amount of current it can carry, is related to size: a bigger conductor can carry more current.
The voltage on a conductor is related to the insulation of the line and has nothing to do with the conductor itself.
www.recipeland.com /encyclopaedia/index.php/Conductive   (547 words)

 [No title]   (Site not responding. Last check: 2007-11-04)
If the conductors are extruded, a majority of the nanostructures are oriented along the length of the conductors due to the flow pattern through the extrusion nozzle.
A cable's insulation material comprises, for example, a thermoplastic such as low/high-density polyethylene, low/high-density polypropylene, polybutylethylene, polymethylpentene, a fluoropolymer, such as Teflon polyvinylchloride, crosslinked material, such as crosslinked polyethylene, rubber material, such as ethylene propylene rubber or silicone rubber.
Figure 4 shows a cable 4, comprising a hollow conductor 42, that contains nanostructures, which is surrounded by a first semiconducting layer 43, insulation 44, a second semiconducting layer, 45, a concentric conductor 46, that contains nanostructures, a third semiconducting layer 47, insulation 48, a fourth semiconducting layer 49, and an outer covering 50.
www.wipo.int /cgi-pct/guest/getbykey5?KEY=01/75902.011011&ELEMENT_SET=DECL   (4770 words)

 VP Definitions & Explanations
Conductors are classified under a standard which defines each gauge representing a solid conductor and which one or more stranded conductors correspond to, along with the associated properties for that gauge such as diameter, circular mil area, and DC resistance.
Concentric stranded conductors are twisted in progressive layers of 6 wires around 1 wire (7 strand), or 12 wires around 6 wires around 1 wire (19 strand), and 18 wires around 12 wires around 6 wires around 1 wire (37 strand).
The finished AWG (guage) of a conductor is determined by the number of strands (of wire) based on the AWG of the wire itself.
www.vaplastics.com /elec/reference/definitions.html   (2904 words)

 Conductors in Static Electric Field
The electrons in the outermost shells of a conductor material atom are very loosely held and migrate easily from one atom to another.
In part (2) as a result of the current in the material there happens to be an electric field opposing the external electric field so now only part of the external electric field is penetrating and the magnitude of the current density got smaller (can be seen by looking at the formula).
The charge distribution on the material depends on the shape of the material and there will newer be tangential component of electric field on the surface because the it would cause the charges on the surface to move.
www.ece.drexel.edu /courses/ece-e304/e3042/CLICK_HERE_TO_VIEW.htm   (3395 words)

 Cable Science   (Site not responding. Last check: 2007-11-04)
An important note: this is true whether the conductor is a single solid-core or a stranded conductor of the same conductive mass or DC resistance.
Although the conductors are subject to flux linkage because of proximity, they have the greater frequency linearity that goes with a smaller diameter.
Other elements, such as dielectric and conductor material and treatments, are the icing on the cake of cable design, having a lesser effect on cable performance than good, solid design principles.
www.soundscapeav.com /cable_ar.html   (2407 words)

Together, the capacitance and the inductance representing the dielectric and magnetic fields of induction of the electric circuit, serve as a measure of the propagation characteristics of the electric circuit for the transmission of electro-magnetic energy.
If the material is indeed superconducting it will maintain a definite distance, l, for an indefinite period of time t -> infinity, from the source of magnetic induction.
Any tendency for the material to sink into the magnetic field, l -> 0, indicates the material is not perfectly superconducting but has a finite resistance R. It may be concluded that the so-called conducting material does not so much conduct as it does repel or reflect magnetism, or electro-magnetic energy in general.
www.borderlands.com /archives/arch/fallacy.htm   (1090 words)

 Fisk Alloy Conductor Facts -- Tensile and Elongation   (Site not responding. Last check: 2007-11-04)
A material’s tensile strength is dependent upon the temper of the sample being tested.
It is dependent upon the material, its temper and the cross-sectional area of the specimen.
Normally, elongation for a material is dependent upon its temper, however, finer diameter conductor strands with the same temper will have lower elongation.
www.fiskalloy.com /c-fact-pages/c-tensile.html   (403 words)

 Conductor (material)   (Site not responding. Last check: 2007-11-04)
When an electric potential difference is impressed at separate points on a conductor, an electriccurrent appears in accordance with Ohm's law.
Consequently, a conductor of a given material and volume (length xcross-sectional area) has a limit to the current it can carry without being destroyed thermally or mechanically.
Conducting materials are usuallyclassified according to their electrical resistance ;ranging from high to null resistance, there are semiconductors, ordinarymetallic conductors (also called normal metals), ultraconductors composed of organic polymers and superconductors.
www.therfcc.org /conductor-material--42859.html   (185 words)

 Bussco Bus Bar Design Characteristics
A major factor in determining bus bar conductor size is the system's electrical requirements which include voltage current, temperature rise and voltage drop.
The selection of conductor material is based on electrical requirements and intended methods of termination.
The typical material used in bus bar construction is copper, aluminum or brass.
www.cci-msc.com /Bussco/design.html   (355 words)

 Read about Conductor (material) at WorldVillage Encyclopedia. Research Conductor (material) and learn about Conductor ...   (Site not responding. Last check: 2007-11-04)
When an electric potential difference is impressed across separate points on a conductor, the mobile charges within the conductor are forced to move, and an electric current between those points appears in accordance with
electromagnetic field around the conductor that exerts a mechanical force on the conductor.
Consequently, a conductor of a given material and volume (length x cross-sectional area) has a limit to the current it can carry without being destroyed thermally or
encyclopedia.worldvillage.com /s/b/Conductive   (272 words)

 Conductor (material): Definition and Links by Encyclopedian.com - All about Conductor (material)   (Site not responding. Last check: 2007-11-04)
Conductor (material): Definition and Links by Encyclopedian.com - All about Conductor (material)
When impressed with an electric potential difference, the conductor's charges begin to flow, and an electric current appears.
See conductor aritcle for other meaings of conductor.
www.encyclopedian.com /co/Conductor-(science).html   (149 words)

 New Page 2
The maximum permissible temperature is that which does not permanently and adversely affect the physical properties of the conductor material.
Except the conductor material, construction and its diameter which could, perhaps be known to a fair degree of accuracy, none of the other factors are constant of any given point of time and cannot be assessed accurately.
Heat lost by conductor by conduction to connected metallic parts is insignificant and therefore neglected.
www.dicabs.com /dicabs/techdata10.htm   (655 words)

 Glossary of Terms: A
A spirally wound synthetic filament or spacer may be used to center the conductor.
Affected by conductor material, insulation temperature rating, ambient temperature, installation condition and cable grouping.
Establishes the conductor size range, insulation type and thickness, voltage and temperature rating.
www.birnbach.com /TechnicalInformation/Glossary/A.htm   (632 words)

 Chossing the correct Coaxial Cable
Coaxial cable that utilizes a copper-covered steel center conductor is usually designed for, and more suitable for use in CATV and other RF applications because of the skin effect transmission characteristics at higher frequencies.
Another guideline used in the selection of center conductor construction is the cables installation as to fixed or pan and tilt applications.
The dielectric material and it’s composition is critical as it sets up the electrical characteristics such as capacitance, velocity of propagation, impedance, and attenuation of the cable.
www.4sproducts.com /catalogue/copper/coaxial/choose_coax.htm   (1412 words)

 Conductor (material) : Conductor (science)
terms defined : Conductor (material) : Conductor (science)
A special case of a conductor is the superconductor, a conductor that doesn't offer any resistance to its flowing electrons at all.
Garrick and Dillon were busily conferring in an undertone, as.
www.termsdefined.net /co/conductor-(science).html   (377 words)

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