Why Rare Earth Magnet Prices are Likely to Continue Their Upward Trend
China currently dominates Rare Earth production and numerous applications are currently competing for existing supplies. Chinese production difficulties, product imbalance, export quotas and increased market demand, have resulted in significant price increases over the past eighteen months. The future supply and demand balance strongly suggests that future price levels are more likely to increase than decline. Implications and strategic options for NdFeB magnet users will be discussed.
Walt Benecki, President, Walter T. Benecki LLC, Elgin, Ill.
Technical and Economic Issues for the Selection And Design of Permanent Magnets
Discover and understand the key technical and economic issues that should be considered in deciding whether or not to adopt a permanent magnet solution, and which type of magnet material to best employ.
Dr. Peter Campbell, President, Princeton Electro-Technology, Inc., North Myrtle Beach, S.C.
Magnetic Sensors for Consumer Electronics
The use of magnetic sensors has crawled out from military weapon systems and industrial controls into Consumer Electronics (CE) products used everywhere. Learn about magnetic sensor applications for personal navigation and pointing, and hear descriptions of the technical parameters necessary for measuring magnetic fields.
Mark Amundson, Applications Engineer, Honeywell Magnetics Sensors Group, Plymouth, Minn.
Fundamentals of Permanent Magnets
This overview of permanent magnets includes a brief history and a general review of magnet applications. Magnet chemistries, methods of manufacture and physical and magnetic properties of different materials will also be covered.
Robert Wolf, President, Data Decisions, Valparaiso, Ind.
Technologies for Precision Magnetic Field Mapping
Mapping a magnetic field is a common problem, yet it defies a common solution. Three applications will be described along with their requirements, measurement approach, equipment and analysis.
Philip Keller, Marketing & Product Management, Metrolab, Geneva, Switzerland
Magnetorheological Fluid Technology
To illustrate the present state of MR Fluid technology for enabling semi-active control, several applications wherein MR Fluid dampers have been successfully implemented will be described.
J. David Carlson, Senior Engineer, Lord Corporation, Cary, N.C.
Magnetostrictive Technologies
Magnetostriction is a response associated with a change in physical dimensions when a ferromagnetic material is exposed to an applied magnetic field. The dimensional changes can be used to convert electrical energy to mechanical energy or vice versa. A history of magnetostrictive materials will be presented and will lead towards the understanding of why the giant magnetostrictive material, Terfenol-D, was developed.
Eric Summers, Director of Materials Engineering, ETREMA Products, Inc., Ames, Iowa
Influence of the Heat Treatment on Magnetic Properties of Complex-Alloyed NdFeB Based Sintered Magnets
The influence of the chemical composition and parameters of heat treatment on magnetic properties of NdFeB based sintered magnets alloyed additionally by Dy, Tb, Nb, Co, Cu, Al and Ga will be described.
Yuri M. Rabinovich, CEO, Applied Magnet Technology, Portage, Ind.
Optimization of DC Link Choke Using Genetic Algorithm Method
Learn about a step by step procedure of a DC link choke optimization using Genetic Algorithm (GA) Method. This proposed method can give a VSD designer a direct answer on the cost difference of a DC link choke under various lamination shapes and various air gap configurations.
Lixiang Wei, Project Engineer, Rockwell Automation - Allen Bradley, Inc., Mequon, Wis.
Compact Electrical Machine Design with Substantial Copper Savings
Höganäs AB develops metal powder solutions for a wide range of applications. Powder Metallurgy (P/M), which refers to the production of solid metal components from powdered metal will be described along with how P/M technology can be used as a base for production of Soft Magnetic Composites (SMC).
Göran Nord, Marketing Development SMC Technology, Höganäs AB, Sweden
A Vapor Phase for Reliability Enhancement of Power Electronics and Magnetic Components
A recent development in the area of vapor phase deposited protective coatings will be discussed along with how it offers solutions to many existing packaging and reliability challenges of power electronic component industry.
Rakesh Kumar, Director of Technology, Specialty Coating Systems, Indianapolis, Ind.
New SPICE Model for EMI Ferrite Chip Beads Under DC Current Bias
Discover how ferrite chip beads are widely used in high frequency circuits for better EMI/EMC performance and the accuracy of SPICE simulation depends on the accuracy of SPICE model for the ferrite beads. Learn how the new Steward SPICE model has the capability of predicting the performance of an EMI chip bead actually in circuit operation.
William Feaster, Test & Measurement Supervisor, Steward, Inc., Chattanooga, Tenn.
Novel Magnetic Nanocomposite for Embedded High Frequency Mixed Signal Systems
The Inframat/Georgia Tech team is pioneering the development of magnetic nanocomposites for high frequency electronic applications. Learn about the work of a magnetic nanocomposite, including silica coated cobalt-BCB and Ni ferrite-epoxy that were investigated as candidate materials.
Dr. Danny Xiao, Co-founder/CTO, Inframat Corp., Farmington, Conn.
Measurement and Evaluation of Neodymium-Iron-Boron Magnets
Common methods for performing magnetic measurements with advantages and disadvantages of each will be reviewed along with the equipment calibration and standards creation. Also discussed are several methods for evaluating magnet coatings, especially the newer HAST (Highly Accelerated Stress Test) procedure.
Steve Constantinides, Director of Technology, Arnold Magnetics Technology Corp., Rochester, N.Y.
Limited Angle Torquer as a Bi-Directional Controllable Electromagnetic Torsion Spring
A Limited Angle Torquer that BEI has developed will be discussed, in which a moving part (field assembly) returns to the initial mid-stroke position, when the coil is de-energized. This design can be considered as a bi-directional electromagnetic torsion spring. The analysis of the "magnetic spring" characteristic has been performed using Boundary Element Method.
Mikhail Godkin, Director R&D, BEI Kimco Magnetics, Vista, Calif.
Isotropic Very Low Frequency Electromagnetic Field Detector with Data Acquisition
Naturally occurring electromagnetic fields in the Very Low Frequency (VLF) spectrum from 1 kHz to 200 kHz are so weak and rare that they are difficult to detect under normal conditions. This presentation describes the development of a triaxial “VLF Gaussmeter” that can monitor VLF electromagnetic radiation in residential and occupational environments.
Saba Hanna, Senior Engineer, Integrity Design & Research Corp., Essex, Vt.
Advancements in Sintered NdFeB Magnets
The manufacturing technologies of sintered NdFeB permanent magnets have changed from those of the 80's and 90's. Today's methods have evolved to allow noticeable property improvements. This new landscape of processes, materials, and costs creates new design opportunities for an even larger range of applications. See his paper here.
Mike Guthrie, Director of Engineering, Quadrant Technology, Hodgenville, Ky.
Pushing the Boundaries of Magnetics
Learn what's happening in some of the most exciting areas of magnetics technology development taking place around the world today. This session will highlight numerous projects that offer the promise of high-growth potential and significant impact for future product and system performance in a variety of applications. It will discuss their technical and economic implications for applying new magnetics technologies in medical, defense, electronics, automotive and industrial products and systems. Who are the leading players? What stage is their development and what's ahead?
David Webster, Editor, Magnetics Business & Technology, Greenwood Village, Colo.
The Global Permanent Magnet Market
The Global Permanent Magnet Market is forecasted to grow from around $8 billion in 2007 to approximately $11 billion by 2010. The global population and pricing will have very little effect on the forecasted growth. The primary factor behind future growth will be an expansion of magnet applications driven by technology and the need for improved fuel/energy efficiencies.
Terry Clagett, President, WebMagnetics, Inc., Elizabethtown, Ky.
Staying Competitive - With Chinese Competition
In the last 10 years much of the Western magnet production business has either gone out of business, or transferred operations to China. Being one of the few remaining US manufacturers of magnet based assemblies has its challenges. The reasons for this retention of competitiveness are examined, along with discussion of the different material types and how they can remain competitive in the future.
James Bell, Technical Director, Magnet Applications Group, DuBois, Ind.
The Perpendicular Recording Revolution in Magnetic Data Storage: Its Impacts on the Data Storage Market & Magnetics Technology
Panel Chairman: Giora Tarnopolsky, TarnoTek
Panelists:
Paul D. Frank, Executive Director, INSIC
Peter Goglia, VP Head of R&D, Western Digital Magnetic Head Operation
Pat J. Ryan, Advanced Technology Development, Seagate Technology, Inc.
Magnetic Materials for Digital Storage
Learn about state-of-the-art magnetic recording media, the record heads, and the quantum tunneling magnetic junctions that have enabled these storage products.
Giora J. Tarnopolsky, Founder, TarnoTek, Palo Alto, Calif.
Thermally Curable, Dual-Stage PSAs for VCM Bonding and Other Applications
Adhesives Research has developed a dual-stage adhesive system that acts as a pressure-sensitive adhesive in its first stage and then converts to a structural bond when exposed to heat. The concept behind this adhesive tape is to bond substrates with ease, replacing liquid adhesives or other mechanical means. The research and testing used to develop the tape will be discussed.
Deepak Hariharan, R&D Group Leader, Adhesives Research, Glen Rock, Pa.
Active Magnetic Bearing Technology Applied in High Precision Application
The basic design of guide ways in positioning systems (stages) for semiconductor applications that are often equipped with air bearings and roller bearings will be presented, along with some of the components, and one embodiment of an AMB stage will be described.
Meindert Norg, Sr. Mechatronics Specialist, Philips Applied Technologies, Houston, Pa.
NdFeB Materials Update
The recent market expansion of sintered NdFeB magnets in Japan will be reviewed, along with the rapid increase of motor applications, such as automotive applications of EPS (electric power steering) and HEV (hybrid electric vehicle).
Dr. Hitoshi Yamamoto, GM of Engineering and Marketing, NEOMAX Co., Ltd., Tokyo Head Office, Japan
Power Electronics and Amorphous High Frequency-Low Inductance Machines
Materials technology advancements have lead the rotating machine developments thru many generations with improved properties
of hard and soft magnetic materials. With the advanced development of the axial air gap amorphous metal motor, permanent magnets of a sufficiently high energy have meshed with low loss amorphous metal material to result in the development of a higher efficient, higher power dense, lighter weight and more cost effective machine. This high frequency machine and the power electronics to operate it at >400 Hz will be compared to a more traditional system.
Burley C. Semones, VP of Engineering, Light Engineering, Inc., Boones Mill, Va.
Low AC and DC Resistance Inductor
This presentation will detail an exciting new patented technology which combines the highly efficient use of the winding window area typical of a foil winding, with the low eddy current loss of a litz wire winding. Computer simulation and laboratory testing of power inductors has demonstrated significantly lower winding losses using the new technology compared to inductors wound with conventional solid wire, litz wire wound inductors and foil wound inductors. This technology holds great promise for future inductors used in high frequency, high ripple current applications.
Weyman Lundquist, President, West Coast Magnetics, Stockton, Calif.
Rare Earth Permanent Magnet Materials, Circuit Design and US Defense Contractual Considerations
This presentation will provide an overview of the use of Finite Element Analysis (FEA) in magnetic circuit design for rare earth magnet applications in a number of areas such as sensors, couplings, motors and electron beam control devices. Discussions of Halbach and magnetic Mangles will be reviewed in an overview of magnetic circuit design configurations. Considerations in the use of sintered Samarium Cobalt and Neodymium Iron Boron magnets will be discussed. Extreme environmental service uses in space vacuum, high radiation environments, near zero change in reversible temperature coefficient and uses at temperatures to 500°C in applications such as permanent magnet bearings, electric spacecraft propulsion and others will be discussed. An up to the moment status report will be provided on the contractual and legal implications of the "Berry Amendment" as it pertains to rare earth magnets and magnet circuits produced for end use by the US Department of Defense.
Peter C. Dent, Director of Sales & Marketing, Electron Energy Corp. Landisville, PA
