Magnetics Business & Technology - January/February 2020 - 22

PRODUCT NEWS

New Developments in GMW Projected Field
Electromagnet Systems

GMW reports continued improvement in its Projected Field
Electromagnet Systems with added power supply, pole option
and probe card integration possibilities. Systems can be customized for individual device testing, or for array testing where larger
region of interest is required without extensively compromising
on magnetic field magnitude.
Recently added to the line is the Model 5207, shown at top, optimized for perpendicular field with continuously adjustable pole
for optimal position with respect to sample. The pole tip can be
customized for specific geometries, including 4mm x 4mm array
testing or individual devices with peak fields above 1.3T. The
5207 can also be easily configured from series to parallel coil
connections, allowing for use with a wide range of supplies.
It is designed primarily for integration into probe stations for
testing of magnetoresistive random-access memory (MRAM)
systems. The location of the pole face can be adjusted precisely
to be located relative to the device under test with high accuracy.
A range of bipolar power
supplies are available to
take advantage of required
waveforms including options for very fast ramping
with higher voltage power
supplies. Even ramping at
85% of full field is possible
by changing coil configuration to lower resistance and
inductance.
Similar techniques are
available for the 5203
Electromagnet, now with
significant installation base
Model 5203 Electromagnet
and integrated into many
commercial probe stations.
A projected field magnet
providing uniform field at a location above the magnet surface, it
is intended for applications where the space around the working
volume needs to be freely accessible. Poles are interchangeable

22

Magnetics Business & Technology * January/February 2020

and are available with an axial access bore. The 5203 can be
mounted in any orientation and its light weight (2.5kg) allows the
magnet to be integrated into dynamic applications such as wafer
testing.
GMW has also been adding
to its line of dipole electromagnets and is announcing
first results for its new Model
3483 H-Frame dipole. Options
on the compact Model 3480
Dipole continue to expand,
including inclined poles for
open access, or modified
yoke geometries including
Model 3480 Dipole
the extended throat, allowing
for an entire 300mm wafer to
be measured at high fields
without having to cut the wafer to pieces. It can provide fields
above 2 Tesla. Light in weight at 32 kg, it can easily be moved
between applications and can be operated in any orientation
while compatible with systems that already utilize GMW's 3470
electromagnet.
For more info see www.gmw.com.

Eddy Current Probes from Zetec Feature
Flexible Circuit Design

Zetec has developed a family of eddy current array probes with
a new flexible circuit design and the company's X-Probe coil
technology that allow each probe to easily conform to numerous
materials, shapes and geometries for inspecting aerospace, oil
and gas, and power generation equipment.
A key feature of the Surf-X array probe is its highly flexible design
featuring interchangeable multiple coil sets. Users in the field
can change a coil set in less than a minute, enabling the probe to
easily adapt to different materials and surface geometries. The
probes have a detachable encoder that can connect in multiple
locations on both the handle and electronics module enabling
multiple positions for probing.
"Surf-X array probes are easy to use, extremely efficient and
can reduce inspection time by up to 95% versus pencil probes,"

www.MagneticsMag.com


http://www.gmw.com http://www.MagneticsMag.com

Magnetics Business & Technology - January/February 2020

Table of Contents for the Digital Edition of Magnetics Business & Technology - January/February 2020

Magnetics Business & Technology - January/February 2020
Contents
Editor’s Choice/ Features
Revolutionary Ferrite-Magnet Fault Current Limiter Graduates from Testing and Heads to Market
Continental Transforms Powertrain Division into Vitesco Technologies in Response to High-Growth Momentum to Electrification
Urban Mining Progresses in Pioneering Effort to Scale Up Rare-Earth Magnet Production from Recycled Magnets
Research & Development
Product News
Industry News
Marketplace/ Advertising Index
How Hall Effect Switches Enable Autonomous Vehicles
Tech Tips
Magnetics Business & Technology - January/February 2020 - Magnetics Business & Technology - January/February 2020
Magnetics Business & Technology - January/February 2020 - Cover2
Magnetics Business & Technology - January/February 2020 - Contents
Magnetics Business & Technology - January/February 2020 - Editor’s Choice/ Features
Magnetics Business & Technology - January/February 2020 - 5
Magnetics Business & Technology - January/February 2020 - Revolutionary Ferrite-Magnet Fault Current Limiter Graduates from Testing and Heads to Market
Magnetics Business & Technology - January/February 2020 - 7
Magnetics Business & Technology - January/February 2020 - 8
Magnetics Business & Technology - January/February 2020 - 9
Magnetics Business & Technology - January/February 2020 - Continental Transforms Powertrain Division into Vitesco Technologies in Response to High-Growth Momentum to Electrification
Magnetics Business & Technology - January/February 2020 - 11
Magnetics Business & Technology - January/February 2020 - 12
Magnetics Business & Technology - January/February 2020 - 13
Magnetics Business & Technology - January/February 2020 - Urban Mining Progresses in Pioneering Effort to Scale Up Rare-Earth Magnet Production from Recycled Magnets
Magnetics Business & Technology - January/February 2020 - 15
Magnetics Business & Technology - January/February 2020 - 16
Magnetics Business & Technology - January/February 2020 - 17
Magnetics Business & Technology - January/February 2020 - Research & Development
Magnetics Business & Technology - January/February 2020 - 19
Magnetics Business & Technology - January/February 2020 - Product News
Magnetics Business & Technology - January/February 2020 - 21
Magnetics Business & Technology - January/February 2020 - 22
Magnetics Business & Technology - January/February 2020 - 23
Magnetics Business & Technology - January/February 2020 - Industry News
Magnetics Business & Technology - January/February 2020 - 25
Magnetics Business & Technology - January/February 2020 - 26
Magnetics Business & Technology - January/February 2020 - 27
Magnetics Business & Technology - January/February 2020 - Marketplace/ Advertising Index
Magnetics Business & Technology - January/February 2020 - 29
Magnetics Business & Technology - January/February 2020 - Tech Tips
Magnetics Business & Technology - January/February 2020 - Cover3
Magnetics Business & Technology - January/February 2020 - Cover4
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