Magnetics Business & Technology - January/February 2020 - 5

Magnetic Field Measurement
Magnetic Field Visualization in a plane and in time
Addition of a mirror surface to a magneto-optic film enables imaging the
fringe field polarity and magnitude.

Magneto-Optic Sensors
Operating Principle: Faraday Rotation of Polarized Light
β
β
Magneto-Optic
Sensor

Magnetic
Sample

Field Range

Type A: ±2.5mT; Type B: ±38mT;
Type C: ±163mT; Type D: ±6mT

Dimensions

8x8mm; 20.5x15.5mm; 60x45mm;
or 3inch diameter

Optical Resolution

1 to 25µm

Time Resolution

~1µs

Operating Temp

+15 to +30˚C

Analog and Digital Magneto-Optic Systems
Analysis Of:
* Polarity, homogeneity, distribution of the magnetic
material, magnetization properties, and flux density
Geometrical resolution:
* Minimum of 25μm (depending on sensor and camera)
Applications:
* Magnetized and non-magnetized permanent magnets
* Magnetic encoders, electrical steel, construction steel,
and stainless steel
* Variations in structure due to heat input or deformation
* Investigations of magnetic security tags as well as serial
numbers on vehicles and weapons

MagEye

Minimo

MagView

CMOS MagView

Magnetic Field Mapping
High Resolution 3- Component, 3D Magnetic Field Mapping
Integrated with Commercially Available
Coordinate Measuring Machine (CMM)

Complete Magnetic Field Mapping System (MMS)

By

SENIS 3-Axis Hall Magnetic
Field Single- or Multi-Probe

Bx
Bz

03A 3-Axis Integrated Hall Probe
with Field Sensitive Volume of
0.15 x 0.01 x 0.15mm

Zeiss Contura G2 Coordinate Measuring Machine (CMM)

SENIS Magnetic Field Mapping System (MMS); Up to 500 x 500 x 500mm
Scanning Volume; 10µm Spatial Resolution; 0.1% Magnetic Field Accuracy

GMW Associates * www.gmw.com


http://www.gmw.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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