March 2017




Feature Article



Permanent Magnet Mistakes, Part Six

Stan Trout, Spontaneous Materials

We continue with the sixth blog in this series, describing the many types of mistakes made with permanent magnets. Again, my intent is to help engineers in the future avoid mistakes made in the past, and not to embarrass anyone.
The sixth group of mistakes on my list are:
13. Assuming that large magnetized parts are easy and safe to handle
14. Failing to consider natural product variations in both magnetic properties and dimensions
15. Assuming that the attractive and repulsive forces are equivalent and can be precisely calculated <read more>








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  New Products

New Teardrop Tube Magnet from Bunting
Bunting has developed a new design of Rare Earth Tube Magnet for use in removing fine iron from dry powders.  The Teardrop Tube Magnet retains the high surface magnetic field of 12,000 gauss, but the shape prevents fine powder from building up on the surface. <read more>


Pulse Electronics Power BU Releases New AEC-Q200 Qualified PA1005.XXXQNL Current Sense Transformer Series
Pulse Electronics Power BU, a  provider of electronic components, has released its new AEC-Q200 qualified line of high frequency current sense transformers. The PA1005.XXXQNL series offers a low-profile EE5 SMD package with a 5.5 mm height and a frequency range of 50 kHz to 1 MHz. <read more>



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  Industry News

IBM Researchers Store Data on World’s Smallest Magnet: A Single Atom
IBM has created the world’s smallest magnet using a single atom, and stored one bit of data on it. Currently, hard disk drives use about 100,000 atoms to store a single bit. The ability to read and write one bit on one atom creates new possibilities for developing significantly smaller and denser storage devices, that could someday, for example, enable storing the entire iTunes library of 35 million songs on a device the size of a credit card. <read more>


Magnets Without Metals: Czech Scientists Develop Magnetic Carbon
A dream of many generations of researchers has been fulfilled by a discovery made by scientists at the Regional Centre of Advanced Technologies and Materials (RCPTM) at the Palacky University in Olomouc. By using graphene, an ultrathin form of carbon, these scientists prepared the first non-metallic magnet that retains its magnetic properties up to room temperature. In doing so, they disproved the old belief that all materials with room temperature magnetism are based on metals or their compounds. <read more>


HZDR Researchers Investigate the Potential of Metal Grids for Future Electronic Components
Nanometer-scale magnetic perforated grids could create new possibilities for computing. Together with international colleagues, scientists from the Helmholtz Zentrum Dresden-Rossendorf (HZDR) have shown how a cobalt grid can be reliably programmed at room temperature. In addition they discovered that for every hole (antidot) three magnetic states can be configured.<read more>


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