Magnet wire - Factbites

Magnet wire - Factbites
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Topic: Magnet wire

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	SUPERIOR ESSEX COMMUNICATIONS LLC Securities Registration: Business Combination (S-4) BUSINESS
		Magnet wire is also used in transformers for power generation by power utilities and for power conversion and electrical controls in industrial applications.
		Magnet wire is enamel coated copper or aluminum wire that is wound into coils and used in electrical motors, controls, switches and other electronic devices.
		These products include inverter duty magnet wire for use by OEM motor manufacturers where high voltage spikes are encountered and wire with additional abrasion resistance and thermal protection for use in severe motor/generator winding applications and for form wound coils made with rectangular cross section wire.
	sec.edgar-online.com /2004/08/02/0001047469-04-024905/section16.asp (9407 words)

	The Long Thin Wire
		In 1977 Alvin Lucier produced of a piece of experimental music entitled 'Music On A Long Thin Wire' that was made by feeding simple tones into an 80-foot length of wire that passed between the poles of a huge magnet.
		A current flowing in a wire under the influence of a magnetic field will move - if the current is generated by an audio signal, then the wire will vibrate in time with the music and you can hear the note.
		This time around I did locate a source of nichrome (Constantine) resistance wire, but at 4ohms/meter this would have been too high a resistance to work and was almost ready to use copper wire again when I remembered that stainless steel wire for bead-work could be obtained from craft shops.
	members.aol.com /CacophonyOfLight/instruments1.html (9407 words)

	Custom cables, litz wire, flat braided wire, copper magnet wire, enameled magnet wire, magnet wire, and magnet wire manufacturer New England Wire Technologies
		In most Litz magnetic wire applications, the magnet wire coating is generally not sufficient for insulating between winding turns, separate windings, and between the winding and ground as the magnet wire coating can easily be damaged.
		New England Wire Technologies, the premier magnet wire manufacturers in the industry, has taken the principle behind Litz wire and improved it.
		Click here to contact us for more information about litz wire available from premier magnet wire manufacturers, New England Wire Technologies or call our technical sales staff at 603-838-6624.
	www.newenglandwire.com /litz.asp (505 words)

	APPENDIX Page 1
		It will be seen that there are two electromagnets, one of which, TM, is known as the "type-magnet," and the other, PM, as the "press-magnet," the former having to do with the operation of the type- wheels, and the latter with the pressing of the paper tape against them.
		As will be seen from the diagram, the armature, A, of the type-magnet has an extension arm, on the end of which is an escapement engaging with a toothed wheel placed at the extremity of the shaft carrying the type-wheels.
		Later on, however, he changed over to a two-wire circuit, such as shown in Fig.
	www.public-domain-content.com /books/Edison/C30P1.shtml (505 words)

	PNNL to be home to world's largest superconducting magnet
		The magnet is held within what looks a little like a giant silver-colored thermos bottle, which it essentially is. To keep the wire cool enough to be superconducting, it's surrounded by a layer of liquid helium and then a liquid nitrogen bath next to the outer vacuum chamber.
		The magnet is constructed of enough superconducting wire to stretch nearly from Seattle to the Tri-Cities.
		Among the atoms with weak magnetic properties that make them susceptible to manipulation by the super-sized magnet are the carbon atoms common to all forms of life.
	www.tri-cityherald.com /news/2002/0310/story1.html (1197 words)

	Magnetic Recording History Pictures
		He built and patented the first working magnetic recorder called the Telegraphone with wire wrapped around a drum and a recording/playback head that moved by a screw thread on top.
		Curt Stille developed in 1925 the Dailygraph magnetic wire recorder as a dictating machine.
		Poulsen stopped his work on magnetic recording and turned to radio after 1902, and only a small number of his machines were made in Denmark and Germany.
	history.acusd.edu /gen/recording/tape.html (798 words)

	CHAPTER-9
		The length of superconducting wire in the magnet is typically several miles.
		A superconducting magnet is an electromagnet made of superconducting wire.
		In early magnet designs, this dewar was typically surrounded by a liquid nitrogen (77.4K) dewar which acts as a thermal buffer between the room temperature (293K) and the liquid helium.
	www.cis.rit.edu /htbooks/mri/chap-9/chap-9.htm (3532 words)

	Permanent Magnet Motors
		In a Permanent Magnet motor a coil of wire (called the armature) is arranged in the magnetic field of a permanent magnet in such a way that it rotates when a current is passed through it.
		Now, when a coil of wire is moving in a magnetic field a voltage is induced in the coil - so the current (which is caused by applying a voltage to the coil) causes the armature to rotate and so generate a voltage.
		If the shunt wound field is permanently energised, it behaves just like a permanent magnet and there is then very little difference between a shunt-wound and a permanent magnet.
	www.4qd.co.uk /fea/pmm.html (964 words)

	Magnet Information
		An electromagnet is a magnet with magnetic force that is generated by passing an electrical current through a copper wire when the wire is wound into a coil.
		The grade of a magnet (N35, N38, N40, N45, etc) is important because it specifies the quality of material used to construct the magnet.
		Magnetic fields are moving electrical charges that attract and repel one another.
	www.acemagnetics.com /magnet-info.html (587 words)

	Electrical generator - Wikipedia, the free encyclopedia
		The spinning magnet was positioned so that its north and south poles passed by a piece of iron wrapped with wire.
		Pixii found that the spinning magnet produced a pulse of current in the wire each time a pole passed the coil.
		It is important to understand that the generator creates an electric current, but does not create electric charge, which is already present in the conductive wire of its windings.
	www.peekskill.us /project/wikipedia/index.php/Generator (587 words)

	Application-Generated Trace Library
		However, the kind of results typified by Figure 8 indicate that network traffic demands of applications are not accurately reflected by traffic on the network wire (since the traffic pattern has already been modified by the current network protocol).
		Hence, while current network models may accurately reflect current network-wire traffic, they are not useful in optimizing application communications.
		Thus, MAGNeT provides network researchers and developers with a better understanding of applications' actual communication needs.
	www.usenix.org /publications/library/proceedings/als01/full_papers/hay/hay_html/node23.html (224 words)

	Cow Magnet
		Dad tells me way back when they used wire balers that it was common practice to make a cow swallow a large magnet, so any stray wire or metal would cling to it, thus keeping it from going through the cows system.
		Re: Re: Cow Magnet Lena 14:55:29 12/26/00 (
		Re: Re: Cow Magnet duke 19:25:30 06/30/00 (
	www.ytmag.com /implment/messages/15565.html (406 words)

	Flat coil linear actuator for multiple transducer arms - Patent 4331990
		The magnets provide alternating flux in the air gap between themselves and the coil turns, such that a coil's "front" wire experiences flux that is directed oppositely to that experienced by its "back" wire.
		That is, the magnetic heads are carried by a sliding carriage driven by a VC electric motor including a mobile electric coil positioned in a magnetic field and fed by a current of variable intensity and polarity.
		Coils C-1, C-2 are identical and shown in schematic operative relation with a linear array of opposed permanent magnet pole pairs of the indicated polarity (see arrows).
	www.freepatentsonline.com /4331990.html (6544 words)

	☞ Magnets - Magnetic Tape
		Magnetic recording is the backbone of the electronics revolution. Learn how this analog technology lets you store and erase data!
		MTS is a manufacturer of magnetic tape measures, magnetic tape measure holders and beltclips sold under the brandnames magtite, stanley quikdraw, fast grip and magneto.
		Superconductors are materials with no electrical resistance that are used to make strong magnets and must be kept extremely cold--otherwise, they lose their superconducting abilities.
	www.aboutmagnets.com /magnetictape (2103 words)

	Joseph Henry The Edison Exploratorium
		William Sturgeon’s electromagnet, which used loosely coiled uninsulated wire.
		The rocking motion was caused by on of the two leads on both ends of the magnet rocker touching one of the two battery cells, causing a polarity change, and rocking the opposite direction until the other two leads hit the other battery.
		electrodes attached to a battery, it is best to wind several coils of wire in parallel, but, when using a set up with multiple batteries, there should be only one single, long coil used.
	www.edisonexploratorium.org /JosephHenry.html (432 words)

	Yamashita Team (Development and Application of Nano-Molecular Quantum Magnets)
		This project is focused on unique nano-sized magnetic materials such as "Nano-wire single-molecule magnet", "Nano-ring single-molecule magnet", "Nano-dots wire", and "Nano-dots network", which will be synthesized by bottom-up (molecular) techniques.
		One of our curiosities is to see a boundary between quantum and bulk regimes on magnetic behaviors.
		Magnetic measurements under pressure and solid state NMR on Single-Chain Magnets
	www.nanostruct-mater.jst.go.jp /theme-e/subject/07-yamashita.html (157 words)

	Alvin Lucier - Wikipedia, the free encyclopedia
		His pieces include Music On A Long Thin Wire in which a piano wire is strung across a room with magnets on either end, producing changing overtones and sounds, Crossings, in which tones played across a steadily rising sine wave produce interference beats,
		Music For Solo Performer, the first piece to use brain waves to produce sound, and Clocker, which uses biofeedback and
		music and sound installations exploring acoustic phenomena, especially resonance, as well as a former member of the
	en.wikipedia.org /wiki/Alvin_Lucier (157 words)

	Browse by Label: LOVELY MUSIC
		The thin wire is set vibrating four times at four different frequencies; what results is not the low drone one might expect from a long, vibrating wire, but a complexity of evocative, ethereal chords.
		Features: "Music for Piano with Magnetic Strings" (performed by Lois Svard, piano), "Theme" (Sam Ashley, Thomas Buckner, Jacqueline Humbert and Joan La Barbara, voices set to a poem by John Ashbery) and "Music For Gamelan Instruments, Microphones, Amplifiers and Loudspeakers" (performed by the Wesleyan University Gamelan Ensemble).
		These 2 Lovely Music CDs are the only commonly available recordings of his electronic music.
	www.fe.org /labels/lovely.music.html (157 words)

	ComputersEasy Glossary
		Both types of diskettes use the same thin, flexible plastic disk inside that is coated with a magnetic substance, but their storage capacities can vary from 360,000 bytes to more than 2 million bytes.
		- ( compact disk read-only memory) Non-magnetic permanent storage systems that use a disk that looks just like the well-known music CDs.
		Systems with special types of wiring may be able to transmit data at higher speeds using the full-duplex mode.
	www.easywindows.com /computerseasy/ecglosry.html (157 words)

	Electric motor - Wikipedia, the free encyclopedia
		The force is described by the Lorentz force law and is perpendicular to both the wire and the magnetic field.
		As the poles of the armature electromagnet pass the poles of the permanent magnets, the commutator reverses the polarity of the armature electromagnet.
		The permanent magnets on the outside (stator) of a DC motor may be replaced by electromagnets.
	en.wikipedia.org /wiki/Permanent_magnet_motor (3896 words)

	Electrical Manufacturing: Self-Bonding Magnet Wire
		As the coil or unit is being wound, the bondable magnet wire is passed over a felt applicator wick to wet the wire with the appropriate solvent, and the coil “turns” pulled into position normally.
		Dimensions for bondable magnet wire are greater than that of standard magnet wire with equivalent dielectric breakdown voltage.
		Heat-oven bonding: After the coils are formed, the unit is heated in an oven, causing the bondcoat to flow, bonding the adjacent turns of wire together.
	www.ammagazine.com /CDA/ArticleInformation/Electrical_Mfg_Item/0,4158,17486,00.html (1462 words)

	Superconducting Magnets
		To make magnet wire, the niobium-titanium is formed into filaments finer than human hair and embedded in a matrix of solid copper.
		Niobium-titanium is a Type-II superconductor with a critical temperature of 10 K and a critical magnetic field of 15 Tesla.
		Particles are first accelerated in a ring of conventional magnets and then injected into the superconducting magnet ring called the Tevatron for the final stage of acceleration to about a million MeV.
	hyperphysics.phy-astr.gsu.edu /hbase/solids/scmag.html (523 words)

	Superconducting Magnet Coil
		The cable used for coil winding is multifilamentary superconducting wire (1.29 mm dia) having 500 filaments of 40 micron diameter Nb-Ti in copper matrix which is embedded in OFHC grade copper channel (2.794mm X 4.978mm) for cryogenic stability (Fig-1).
		The magnet coil of the K-500 Superconducting Cyclotron is immersed in liquid Helium (4.2K) in a specially built stainless steel Cryostat.
		The main idea behind using the superconducting cable is to get very high magnetic field (5.5 Tesla) using a very high overall current density of 5800 Amp/cm2 and there by reducing the overall size of coil / magnet to many folds as compared to room temperature magnet.
	www.veccal.ernet.in /~vecpage/scc/Magnetcoil.htm (1280 words)

	39356.010531&ELEMENT_SET=DECL
		Superconducting magnetic coil 11 is wound with a low-temperature superconducting cable formed from niobium- titanium copper-based matrix wire that has been cabled into a mechanically stable form and insulated prior to winding.
		Also, if the magnet is connected to a utility network, for example through an inverter, discharging, the magnet at a substantially constant voltage increases the rate at which power can be supplied to the utility network.
		However, when magnet 10 is discharged in response to a quench, magnet 10 may discharge to zero.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=01/39356.010531&ELEMENT_SET=DECL (4719 words)

	Magnetic Recording Equipment
		Although magnetic recording is almost ideally adapted to such service, and although telephone recorders have been manufactured in Europe for many years, the Ipsophone is the first device in which the many technical problems involved seem to have been solved to satisfaction.
		Recordings can be made from a microphone, from the radio, or from records that can be played on the turntable at the same time the wire recorder is functioning.
		It is designed for double-channel recording, one recording being made on the upper portion of the tape when the tape is moving in one direction, and the other recording being made on the lower portion of the tape when the tape moves in the reverse direction.
	history.acusd.edu /gen/recording/begun6.html (9170 words)

	magnetic recording -- Encyclopædia Britannica
		The principle of magnetic recording was first demonstrated by the Danish engineer Valdemar Poulsen in 1900, when he introduced a machine called the telegraphone that recorded speech magnetically on steel wire.
		The principle of magnetic recording was first demonstrated by the Danish engineer Valdemar Poulsen in 1900, when he introduced a machine called the telegraphone that recorded speech magnetically on steel…
		"Periodic table from the Biomedical Magnetic Resonance Laboratory of this American university.
	www.britannica.com /eb/article-9050029?tocId=9050029 (788 words)

	9news.com News Monster Magnet Installed At Fitz
		The magnet is wound from several hundred miles of niobium-tin superconducting wire and is encased in a stainless steel shell containing hundreds of liters of liquid helium.
		The magnet is housed in the Rocky Mountain Regional Nuclear Magnetic Resonance Center.
		In the room, anything with magnetic stripping, such as credit cards or ID badges, will be wiped blank by the magnet field, "so all wallets have to be checked at the door," Dr. Jones said.
	www.9news.com /acm_news.aspx?OSGNAME=KUSA&IKOBJECTID=1009dbec-0abe-421a-01b5-3550f757024e&TEMPLATEID=0c76dce6-ac1f-02d8-0047-c589c01ca7bf (520 words)

	Sherburne Metals- Wire Drawing
		Our copper is also used as magnet wire in motors and generators...
		Wire drawing and insulated wire and cable production have always been strong and continually growing application areas for Sherburne rod and wire products.
		As a result, Sherburne copper is now used in insulated wire and cable products ranging from power cable to control wire and high-speed telecommunications products.
	www.sherburnemetals.com /applications/html/wiredrawing.html (520 words)

	Magnet Networks Revolutionise Irish Broadband Market With 24MB Service - Drury Communications
		Sky by Wire launches on Magnet Networks platform
		Magnet Networks is pursuing an aggressive local loop unbundling programme, using next generation ADSL2+ technology that enables standard copper phone lines to deliver TV, broadband and phone services due to the massive increase in bandwidth and greatly increased download speeds that the new technology provides.
		The offer is currently available to over 100,000 homes in Dublin and Magnet Networks is taking orders from Galway, Cork, Limerick and Waterford residents where the service will launch at the start of 2006.
	www.prleap.com /pr/19621 (505 words)

	Magnet Wire
		Almost all magnet wire is insulated soft-drawn electrolytic copper, but aluminum is being used more, especially in times when copper is scarce or high-priced and where space is not limiting.
		This is copper or aluminum wire with a thin insulation to prevent short circuits.
		Round aluminum wire, being soft, flattens under pressure giving a higher space factor in coils than might otherwise be expected.
	www.oz.net /~coilgun/theory/magnetwire.htm (335 words)

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In the News (Sun 27 Dec 09)