Magnetics Magazine


February 2011

In This Issue:



  • A Hidden Magnetic Configuration in Manganite Thin Films


  • MEDER electronic –MK23 Compact SMD Reed Sensor Series Broaden with New Form C Versions
  • New England Wire Technologies
  • Magnet-Physics
  • Allegro MicroSystems, Inc. Releases New Family of User-Programmable, Two-Wire, Unipolar, Hall-Effect Switches
  • New Hall Effect Current Sensor Up to 1,000 Amps for Renewable Energies
  • VPT Series Toroidal Power Transformers Offer Efficient Electronics Design Solution
  • TI Delivers Small Profibus RS-485 Transceiver with Integrated Driver for High Efficiency and Low EMI
  • Fourier Systems Launches a New Axial and Radial Magnetic Field Sensor, Combining Dual Axis with Triple Range Data Collection
  • Murata Power Solutions Introduces Small Footprint Surface-Mount Inductors
  • Wide-Band Current Monitor with High Output
  • McQuay Previews 700-Ton Daikin McQuay Magnitude 


  • Passive Magnetic Bearing: Design Becomes Reality
  • Great Western Minerals Group Signs Letter of Intent to Supply Rare Earth Alloys to Electron Energy Corp.


  • The Magnetics Recording Industry: At the Top of the S-Curve?


  • MAGNETICS 2011: Presentation Spotlights


  • Download the Fall 2010 Issue


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GMWAsahi EM-3242 Magnetic Angle Sensor Now Available from GMW

The EM-3242 is a very small, 6 pin, SOIC IC which enables non-contact, low wear, full 360 degree, angle sensing utilizing a simple two pole magnet.

Operation is from a nominal 3 V source with a ratio metric, analog output of 0.3 V to 2.7 V. Power draw is 8 mA in wake mode and 1 uA in sleep mode.

Contact GMW for engineering support and Engineering Kits for applications of the EM-3242 to remote readout of valve, arm, vane and meter position; gas and fluid metering; non-contact operator controls; or servo position control. Unit price at quantity of 5,000 is $2.26.

Further information is available


doeA Hidden Magnetic Configuration in Manganite Thin Films
Complex oxide materials are intriguing because their properties span an enormous range of distinct physical states, including conductors, insulators, superconductors, ferromagnets, anti-ferromagnets, ferro-electrics, piezo electrics, and multiferroics. Part of the attraction of these materials is that their properties can be modified by introducing a mixed valence state — that is, a composition that includes metal ions with more than one oxidation state.

Scientists from DOE's Brookhaven and Lawrence Berkeley National Laboratories, SLAC National Accelerator Laboratory, and collaborators at the University of California, Berkeley, and the Science and Technology Facilities Council of the UK are taking a closer look at one such material with a particular composition of lanthanum strontium and magnesium oxide.

La0.7Sr0.3MnO3 (LSMO) is a mixed-valence, complex oxide (containing a mix of Mn3+ and Mn4+ ions) whose properties have been examined extensively. LSMO is thought to be a simple metallic ferromagnet and it has been used in prototype, thin-film electrical devices (such as magneto-resistance junctions) that seek to exploit the many intriguing properties of complex oxides for new applications.

To further explore LSMO, the scientists grew single-layer films with a variable number of unit cells epitaxially on strontium titanate (STO). Using a combination of x-ray magnetic circular dichroism, x-ray absorption spectroscopy, and x-ray reflectivity measurements at Brookhaven’s National Synchrotron Light Source (NSLS), the scientists discovered that, due to doping instabilities and/or charge transfer at the interface, an intermediate enriched Mn3+ layer of a few unit cells develops at the LSMO/STO interface. The presence of this intermediate layer may provide a mechanism for antiferromagnetic coupling across the interface — which, in turn, may lead to the reversed magnetic configuration observed in thicker LSMO films.

The findings demonstrate the rich variety of interfacial spin couplings that can occur in complex oxide thin films that may be utilized in engineering thin-film devices. This work was partially supported by the Semiconductor Research Corporation’s NRI-WIN program.


mederMEDER electronic –MK23 Compact SMD Reed Sensor Series Broaden with New Form C Versions
MEDER electronics’ MK23 Series Reed Sensors have expanded with the addition of the new MK23-90 Reed Sensor. The MK23-90-C-2 is a Single-Pole Double-Throw SMD switch with a 14mm glass body. This SPDT (Form C Changeover) surface mount sensor comes in two lead designs, either straight cut axial or “Gull Wing" with coined and bent leads. The entire MK23 Series offers 8 different reed switch models with a minimum of two pad style layouts and they range in size from 7mm-21mm with a contact rating of 10Watts to 100Watts and up to 5 contact sensitivity ranges.

The MK23 Series is a non-molded version of our surface mount sensors, offering a more economic and compact design as compared to our over-molded sensors. The MK23 series is sold in Tape & Reel packing and is suitable for pick and place automation. MK23 Reed Sensors are magnetically actuated and are ideal in applications that require little or no external power to operate such as in portable medical and electronic devices.  They can be designed into any application as a control switch or non-contact magnetic proximity sensor for counting, position, limit and liquid level detection where single or multi-point position or liquid level sensing is required.  Complete your MK23 sensor by pairing it up with our large selection of rare earth magnets, available online at Digi-Key Corporation.

New England Wire Technologies
newFor over 110 years, New England Wire Technologies, a privately held, employee owned company, has been producing the most technologically advanced wire and cable in the industry with short lead times, rapid prototyping and unparalleled customer service. We assist engineers, scientists and technical professionals design, develop and test custom cable—Litz, braids, cables & strands, ultra flexible single & multi-conductor, coaxial and miniature cables to exacting industry specifications.  

A leading manufacturer of Litz wire (E.L.F. to H.F.), we design cable for inductors, transformers, motors and generators, inverters, communication and sonic equipment for industries ranging from consumer goods to medical, defense/military, industrial robotics, and high-energy physics.  Call today to get started on your project! Contact: tel: 603.838.6624,

mpWith over 30 years as a premier manufacturer of magnetizing and magnetic test equipment, Magnet-Physik Dr. Steingroever GmbH of Cologne, Germany celebrates 12 years of sales and service in North America through Magnet-Physics Inc. Application areas include permanent magnet electric motors of all types from washing machines to ship propulsion; loudspeakers; computer disk drives; speedometers and ABS systems for the automobile industry; ESP and multipole encoders; general sensor technology, and more.

In June 2010 the company obtained its most recent ISO 9001:2008 re-certification and it is currently renewing the ISO/IEC 17025 accreditation for the calibration laboratory in Cologne. In addition to our products we offer a range of services including magnetization, measurements on hard and soft magnetic materials, and calibration of measuring equipment with traceability to National Standards.

The president and technical manager of Magnet-Physics Inc., Reinhold Strnat, is a Senior Member of IEEE, Chairman of ASTM Committee A06 on Magnetics, and Chairman of ASTM Subcommittee A06.01 on Test Methods. Reinhold has been active in magnetics and the design of magnetic measurement and processing equipment since 1976. He can be contacted at tel: +1 317 577 8700, fax: +1 317 578 2510, or E-mail:

allegroAllegro MicroSystems, Inc. Releases New Family of User-Programmable, Two-Wire, Unipolar, Hall-Effect Switches
Allegro MicroSystems, Inc. has introduced a new line of user-programmable, two-wire, unipolar, Hall-effect switches to complement its existing family of devices used in seat belt buckle, seat position and shift selector (PRNDL) applications. These new devices are targeted to serve the automotive market, because they include improved high voltage transient protection; a critical feature for applications that do not allow for protection circuits to be located close to the sensor.

Allegro’s A1190/2/3 family consists of two-wire, unipolar, Hall-effect switches, which can be trimmed by the user at end-of-line to optimize magnetic switchpoint accuracy in the application. These devices are produced on the Allegro advanced BiCMOS wafer fabrication process, which implements a patented high frequency, 4-phase, chopper-stabilization technique. This technique achieves magnetic stability over the full operating temperature range, and eliminates offsets inherent in devices with a single Hall element that are exposed to harsh application environments.

The A119x family has a number of automotive applications. These include: sensing seat track position, seat belt buckle presence, hood/trunk latching, and shift selector position. Two-wire unipolar switches are particularly advantageous in cost-sensitive applications because they require one less wire for operation versus the more traditional open-collector output switches. Additionally, the system designer inherently gains diagnostics, because there is always output current flowing, which should be in either of two narrow ranges. Any current level not within these ranges indicates a fault condition.

An important upgrade to this family of two-wire switches is the on-chip transient protection and a zener clamp to protect against over-voltage conditions on the supply line. This improved high voltage transient protection allows these devices to survive ISO 7637-2 and 40 V load dump for <0.5 seconds with minimal, and sometime no, protection from discrete components. The ESD protection has been enhanced, such that these devices are capable of handling transients up to 8 kV Human Body Model (HBM).

The A1190, A1192 and A1193 are offered in a SOT-23W style, miniature low profile package (LH) for surface-mount applications. All devices are priced at $0.56 in quantities of 1,000.

premoNew Hall Effect Current Sensor Up to 1,000 Amps for Renewable Energies
The continuous shortage on Hall Effect sensors in the market is generating big troubles on the industrial field and, of course, also in PV and wind inverters manufacturers.

In order to continue supporting our customers, Premo has successfully introduced a close loop 1,000 amp Hall Effect sensor mechanical and electrically equivalent to LEM LF-1005-S.

By means of close loop solution the high accuracy and linearity is guaranteed keeping values as low as 0.1 percent. The current sensor allows overload capabilities with a measuring range up to ± 2,000 amps.

The current sensor is designed in order to meet the highest safety requirements and is fully isolated with plastic housing, meeting isolation values higher than 6,000 VAC.

The product is completely sourced and produced in China and is currently available in 6 to 8 weeks. Samples and pilot orders from stock.

vptVPT Series Toroidal Power Transformers Offer Efficient Electronics Design Solution
Featuring up to 97.4 percent power efficiency and a highly efficient design using nearly 30 percent less material, the new VPT series toroidal power transformers from Triad Magnetics provide green power electronics solution.

Compared to conventional EI transformers, toroidal construction inherently helps reduce stray fields, increases efficiency and minimizes size. Triad's new transformers are constructed with a Class B, UL approved insulation system rated for 130°C that provides 4,000 V primary to secondary isolation.

The highly efficient VPT series is suitable for a wide range of applications in commercial and industrial equipment. The transformers operate over a broad power range from 25 VA to 2.5 KVA, depending on the specific model selected. With dual primary and secondary windings, it allows for maximum flexibility of input and output voltages. The VPT Series features an input voltage of 115/230 VAC, 50/60 Hz, and output voltage from 6.0 V through 230 V.  Voltage regulation is up to 2.5 percent from full load to no load.

VPT series transformers are designed and manufactured under Triad’s ISO9001 quality assurance program. Thorough testing procedures assure that Triad products meet the most stringent global safety and environmental standards including UL, CE, RoHS and REACH. Agency files are available upon request.

The VPT series features a rugged, RoHS compliant toroidal construction in a package ranging in size from 71 to 208 mm diameter, a height range of 32 to 112 mm and weight range of 0.4 to 19.4 kg, depending on the specific model selected. The highest quality materials ensure improved performance and a long life.

VPT series transformers are simple to install out of the box, with mounting hardware included.  Connections are 8 inch (200 mm) stranded UL 1015 lead wire with 0.25 inch (6 mm) stripped/tinned ends.

Depending on the model selected and the quantity ordered, the VPT series transformers are priced starting at $12.00 each in quantities of 100 units with delivery from stock to 8 weeks lead time.

TI Delivers Small Profibus RS-485 Transceiver with Integrated Driver for High Efficiency and Low EMI
Texas Instruments, Inc. (TI) has introduced an isolated half-duplex differential line transceiver with integrated transformer driver. The ISO1176T provides the primary voltage for an isolation transformer and, in conjunction with an external transformer, rectifier and regulator, provides the smallest isolated signal and power system design with high efficiency and low electromagnetic interference (EMI).

Applications include Profibus systems, factory and building automation, networked sensors, motor/motion control, HVAC and networked security stations. The ISO1176T is compatible with regulators like TI’s TPS76350, a low-dropout (LDO) voltage regulator that offers the benefits of low-power operation, and small package. These regulators feature low-dropout voltages and quiescent currents when compared to conventional LDO regulators, and is suitable for cost-sensitive designs and applications where board space is at a premium.
The ISO1176T is available now in a 16-pin SOIC package, with a suggested resale price of $3.30 in quantities of 1,000. Two other isolated full-duplex RS-485 transceivers with transformer drivers, one operating at 5 V and other operating at 3.3 V, will be available by end of 1Q11.

Fourier Systems Launches a New Axial and Radial Magnetic Field Sensor, Combining Dual Axis with Triple Range Data Collection
Fourier Systems, a pioneer in the science education technology industry, has announced the launch of its Dual Axis Magnetic sensor (DT036), which facilitates the easy measurement of magnetic field components, thus allowing students to directly experience and understand an otherwise intangible principle.

Because a magnetic field is a vector, it is extremely challenging to demonstrate this invisible and complex physical concept to students. Fourier's new magnetic sensor makes the unseen tangible and exemplifies Fourier's commitment to developing innovative science education technology tools.

The sensor's unique combination of dual axis measurement, together with three different ranges (±0.2 mT, ±40 mT, ±100 mT) opens the door to a world of fascinating magnetic field experiments, enhanced by superior resolution and unbeatable accuracy. The sensor is sensitive enough to capture the vertical and horizontal components of Earth's magnetic field, provides the accuracy required for the measurements of coils and features significant resolution to measure the magnetic field of solenoids.

“Fourier's new Dual Axis Magnetic sensor addresses the call from science teachers to deliver more advanced education technology sensors and this is our answer,” said Ken Zwiebel, CEO of Fourier Systems. “We are excited to introduce this sensor as one of several new products that will be introduced in 2011, including data loggers & sensors, as well as new versions of our MultiLab(TM) data analysis software.”

murataMurata Power Solutions Introduces Small Footprint Surface-Mount Inductors
The new 2200RM series of bobbin wound inductors from Murata Power Solutions provides a surface mount alternative to the company’s through-hole 2200R series. Suitable for use in a wide range of low to medium current applications, compact 2200RM inductors have a small footprint making them well suited for use in high density designs where a chip inductor is unable to cope with the power requirement.

The 2200RM series provides engineers with a wide choice of inductance values ranging from 10 µH to 68 mH and DC current ratings up to 2.52 A. Low DC resistance ratings enable a low voltage drop that helps reduce overall power consumption in customer designs. Custom value parts are also available if required.

The RoHS compliant 2200RM series is backward compatible with Sn/Pb soldering systems and have an operating temperature range of -40°C to 85°C With overall dimensions of 7.8 mm diameter by 7.5 mm high, parts are supplied in tape and reel packaging with 500 pieces per reel.

ionWide-Band Current Monitor with High Output
A wide band current monitor with a high sensitivity of 1V/A, and improved high and low frequency response is being introduced by Ion Physics Corp.

The IPC Current Transformer model CM-100-6L measures AC and pulsed currents. By placing the monitor around the current carrying conductor it senses the magnetic field associated with the current and accurately measures the current. No physical contact to the current carrying conductor is required, eliminating ground loops and interference noise. The 3 dB bandwidth extends from 10 Hz to 30 MHz and the maximum allowable saturation value (Ipeak/frequency) is 0.15 As. The monitor has a maximum droop of 7%/ms and a usable risetime of 10 ns.

Electrostatically shielded, the IPC Current Monitor model CM-100-6L provides output voltage equal to the current times monitor sensitivity, which can be read on a voltmeter or oscilloscope. This device is doughnut shaped with an inner diameter of 1.6", an outer diameter of 4" and a thickness of 4.25". The selling price is $725.

McQuay Previews 700-Ton Daikin McQuay Magnitude 
McQuay International previewed the new 700 ton Magnitude. Already known for its oil-free, magnetic bearing design, the new model is an extension to the company’s line of energy efficient chillers branded Magnitude. The chiller is well suited for use in universities, hospitals, manufacturing facilities and data centers.  

With improved efficiency, sustainable performance and low sound levels, thousands of Magnitude chillers are installed around the world. They help owners reduce energy and operating costs, create a comfortable environment and meet requirements for sustainable design, such as Leadership in Energy and Environmental Design (LEED) certification criteria.

“The larger 700-ton units are a natural evolution of magnetic bearing compressor technology and makes the benefits of this technology available to a larger range of applications,” said Ray Good, director of chiller product management for McQuay.  “This oil-free technology increases reliability and reduces maintenance because there are no conventional bearings and hence no oil management system and associated maintenance costs. In a typical chiller, oil builds up in the evaporator, reducing energy efficiency up to 15 percent. As a result of its higher sustainable operating efficiency and reduced maintenance, the Magnitude chiller delivers a lower cost of ownership compared to conventional centrifugal chillers.” 

With its positive pressure, oil-free design, the ultra-efficient performance of the Magnitude chiller is sustainable through its operating life because there’s no oil to contaminate the refrigerant and degrade system efficiency.

By eliminating the high friction losses of conventional centrifugal compressors, the Magnitude chiller achieves exceptional full and part-load performance.  Part-load IPLV for the 700-ton unit is as low as 0.306kW/ton, while maintaining world-class full load efficiency 0.532kW/ton.

For building owners who want to pursue LEED Green Building Certification, the Magnitude chiller can be part of practical and measureable green building design, construction, operation and maintenance solutions. Using R-134a refrigerant, the Magnitude chiller has no ozone depletion potential or phase-out schedule.  The 400 to 700-ton Magnitude chiller earns two LEED points for Energy and Atmosphere Credit 4, Enhanced Refrigerant Management. In addition, its energy efficient performance may contribute to LEED Energy and Atmosphere Credit 1, Optimize Energy Efficiency, in which one to 19 points are possible.

The Magnitude chiller line has been tested and International Building Code (IBC) certified for seismic installations to remain online and functional after an event.  For critical health facility buildings in California, Magnitude chillers have also received the more rigorous Office of Statewide Health Planning and Development (OSHPD) Special Seismic Certification Pre-approval.  IBC and OSHPD certification pre-approvals save time and money on projects by reducing design time and speeding the commissioning process. 


arnold1Passive Magnetic Bearing: Design Becomes Reality
The collaboration between Lawrence Livermore National Laboratory (LLNL) and Arnold Magnetic Technologies (Arnold) began with a theoretical design developed by Dr. Dick Post of LLNL, and became a reality through the manufacturing expertise of Arnold. For the past several months, Arnold and LLNL collaborated on designing, building and testing a prototype passive magnetic bearing system. The objective of the Arnold / LLNL relationship was to prove Dr. Post’s analytical code work by making and testing a working prototype of one embodiment of the magnetic bearing. Once validated, these codes can be used in the design of passive magnetic bearing for multiple applications on a variety of scales. (Arnold Magnetic Technologies Corporation and Lawrence Livermore National Laboratory Collaborate on Passive Magnetic Bearing System, May 26, 2010).

The prototype design involves two precision-machined plates, each 19 inches in diameter, which encase magnetic Halbach arrays. In the final assembly, the plates face each other and are aligned such that opposing magnetic fields create a central equilibrium plane between them. A stabilization force is created in this region and a passive magnetic bearing is created. The permanent magnets in these arrays are made of high magnetic field strength material and are precision ground to tight tolerances in order to fit into the machined slots in the plates.

arnold2Due to the strong interaction of the individual magnetic fields, the placement of the high strength magnets creating the Halbach array in the plate support structure proved to be the most challenging portion of the assembly. The magnets, each with its own angle of orientation, were fabricated at Arnold and assembled into the plates to ensure correct phasing to achieve the proper overall magnetic field orientation. They are positioned using precision custom designed tooling and held in place with suitable adhesives.

Understanding the interactions between magnetic fields is essential in designing the magnet array to achieve the desired magnetic field strength and orientation. The individual components are assembled and the initial testing to verify Dr. Post’s code predictions is about to begin. Upon completion of the prototype testing, LLNL and Arnold will continue to work together analyzing the results in order to commercialize this technology.

Today magnetic bearings are used, in limited quantities, in uninterruptible power supplies, such as flywheel energy storage systems, couplers, motors, compressors, generators, magnetic levitation transportation, and medical devices. Passive magnetic bearings have several advantages over electromagnetic bearings. For example, they do not require an external power source to run and have no active control circuits. Consequently, they are far more efficient to operate.

Great Western Minerals Group Signs Letter of Intent to Supply Rare Earth Alloys to Electron Energy Corp.
Great Western Minerals Group Ltd. (GWMG) has signed a non-binding Letter of Intent (LOI) with Electron Energy Corporation (EEC) of Landisville, Penn. to supply samarium metal, gadolinium metal and samarium-cobalt alloys used by EEC to manufacture magnets and magnet systems.

“The ability of GWMG to enter into this LOI is based on our Company’s plans to put the formerly producing Steenkampskraal mine back into production,” said GWMG President and Chief Executive Officer Jim Engdahl. “The interest of EEC in entering into this agreement with our Company is a concrete example of the importance of certainty of supply in today’s Rare Earths market.”

“As a supplier to our own customers it is essential that we secure long term supplies of raw materials,” said Michael H. Walmer, president of Electron Energy Corp. “As a customer of a company such as Great Western Minerals Group, it is equally important that we express our intent, as we have done through this LOI, so that GWMG can adequately plan its own capacity.”

The LOI focuses primarily on samarium metal, gadolinium metal, samarium cobalt alloys produced by co-reduction and samarium cobalt alloys produced by vacuum induction melting.


headshotThe Magnetics Recording Industry: At the Top of the S-Curve?
By Ed Murdock, Ph.D., Principal, MurdockTech Solutions

Revolutionary inventions in previous decades have enabled the manufacturing of inexpensive magnetic disk drives, low-cost devices with properties that even computing centers did not have in the 1980s. To perpetuate the gains in storage capacity, the magnetic storage industry is in pursuit of “planned revolutions.” Some of these revolutionary technologies are bit-patterned magnetic media, schemes of energy-assisted (heat, microwave) magnetic recording and some others. However, these are all difficult and expensive in practice. Recently, the pace of growth in areal density of recording (hence, capacity per disk drive) has shown signs of dramatic slowing. This is characteristic of the transition to a fully mature technology, often described in terms of the “S-Curve” of product maturity [1]. New types of non-rotating data storage technologies may become able to replace an increasing part of the market now occupied by standard disk drives. This article will take a look at some of the issues in extending existing magnetic recording and the potential impact of new storage technologies.

Read article here



Top 5 Reasons to Attend:

  1. Gain insight from the top minds in magnetic technologies worldwide
  2. Discover the latest advancements in magnetics performance and technology
  3. Find the latest pricing, market & manufacturing trends
  4. Develop new professional contacts & business leads
  5. Network with global leaders & experts

MAGNETICS 2011, taking place March 1-2, 2011 in San Antonio, TX, will feature an interactive exhibit hall, the chance to attend pre-conference workshops, unmatched networking/business opportunities and more than 20 technical presentations. Join leading global, market and technical leaders at the forefront of today’s magnetic technologies as they discuss how recent developments in magnetic materials and related technologies are impacting product and system performance for a variety of industries and applications. Register Now!


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richardsonSpeaker Q&A: Manufacturing Sintered NdFeB Magnets

The topic of rare earths has seen some impressive coverage in the media recently. This is true for news outlets all over the world. However, much of the coverage has concerned the status of mining rare earth oxides. As the magnet industry knows, the rare earth story certainly doesn't stop with oxides. Ed Richardson, the president of the USMMA will give a presentation at MAGNETICS 2011 titled, The USMMA’s “Manufacturing First” Proposal for Sintered NdFeB Magnets. Ed took the time to discuss why this strategy is critical for US manufacturing, and how it can have a positive impact on the US economy.

steveCSpeaker Q&A: The Important Role of Materials with Intermediate Coercivity

Much of the current focus of industry is on high coercivity permanent magnets and very low coercivity soft magnetic steels. A less glamorous, but no less important set of materials provide modest coercivity for applications such as brakes, tensioners and hysteresis coupled drives. Steve Constantinides, the director of technology for Arnold Magnetic Technologies Corp. will give a presentation at MAGNETICS 2011 titled, Semi-Hard Magnets: The Important Role of Materials with Intermediate Coercivity. Steve took the time to discuss this topic, its value and its importance in today’s environment.

londonSpeaker Q&A: Rare Earth Price Trends & Expectations

The demand of rare earths and rare earth magnets continue to rise, driven by consumer and government policy expectations for renewable energy technologies, off-oil transportation and other CleanTech innovations. Ian London, the market development and energy advisor for Avalon Rare Metals, Inc. will give a presentation at MAGNETICS 2011 titled, ‘Rest of the World Rare Earth Supply Chains’ Galloping Forward. Ian took the time to discuss this topic, its value and its importance in today’s environment.

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winter10Download the Winter 2010 Resource Guide Issue of Magnetics Business & Technology Magazine

Features & Columns:

  • Rare Earth Mining and Processing Developments Galloping Forward… But Will it be Enough and in Time?
  • Efficient Machine Design in Finite Element-Based Software Simulators
  • An Easier Method of Calculating Initial EMI Filter Value
  • Spontaneous Thoughts: The View from Slovenia
  • 2010 Resource Guide
Upcoming Industry Events -- click here for the full Magnetics Calendar of Events

MARCH 2011

3/1 - 3/2, MAGNETICS 2011, San Antonio, TX

3/1 - 3/2, Motor, Drive & Automation Systems 2011, San Antonio, TX

3/6 - 3/10, APEC 2011 - The Applied Power Electronics Conference & Exposition, Fort Worth, TX

3/14 - 3/16, MIM 2011 – International Conference on Injection Molding of Metals, Ceramics and Carbides, Orlando, FL

3/22 - 3/23, TREM11, Arlington, VA


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