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Electrical Steel Domains

M
Marco Koschny

The document discusses different magnetic sensor systems from Matesy GmbH for analyzing steel domains. The CMOS-MagView uses an A or D sensor and can visualize domains in oriented and non-oriented silicon steel. It can map domains from multiple images. The BIAS CMOS-MagView applies an external magnetic field and is best for investigating domain walls. The Handheld MagView is cordless and portable but has less sensitivity. The systems provide different capabilities for domain investigation and visualization.

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Magnetic technologies & systems Matesy GmbH Steel domain analysis with the magneto-optical sensor system CMOS-MagView Contact: Company: November 2012 Marco Koschny Matesy GmbH Wildenbruchstrae 15 07745 Jena, Germany Phone.: +49 3641 875 904 Fax: +49 3641 875 905 Email: m.koschny@matesy.de 28.11.2012 1
Magnetic technologies & systems Specimen and investigation devices Oriented Silicon Steel Non Oriented Silicon Steel CMOS-MagView BIAS CMOS-MagView Handheld MagView A Sensor (max: 賊2.6) D Sensor (max: 賊7.7); A Sensor (max: 賊2.6); Mobile Good domain orientation visibility external BIAS magnetic field Medium domain orientation visibility Medium domain wall recognition Domain orientation visibility adjustable Medium domain wall recognition Most contrasty domain wall recognition 28.11.2012 2
Magnetic technologies & systems CMOS-MagView A Sensor Non Oriented Silicon Steel Oriented Silicon Steel 28.11.2012 3
Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView A Sensor Domain-Mapping merged from 9 single images 28.11.2012 4
Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView A Sensor 28.11.2012 5
Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView A Sensor 28.11.2012 6
Non Oriented Silicon Oriented Silicon SteelSteel Magnetic technologies & systems CMOS-MagView A Sensor 28.11.2012 7
Non Oriented Silicon Oriented Silicon SteelSteel Magnetic technologies & systems CMOS-MagView A Sensor 28.11.2012 8
Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView D Sensor 28.11.2012 9
Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView D Sensor 28.11.2012 10
Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView D Sensor 28.11.2012 11
Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView D Sensor 28.11.2012 12
Non Oriented Silicon Oriented Silicon SteelSteel Magnetic technologies & systems CMOS-MagView D Sensor 28.11.2012 13
Oriented Silicon Steel Magnetic technologies & systems Handheld MagView A Sensor 28.11.2012 14
Oriented Silicon Steel Magnetic technologies & systems Handheld MagView A Sensor 28.11.2012 15
Oriented Silicon Steel Magnetic technologies & systems Handheld MagView A Sensor 28.11.2012 16
Non Oriented Silicon Oriented Silicon SteelSteel Magnetic technologies & systems Handheld MagView A Sensor 28.11.2012 17
Magnetic technologies & systems Overview and Comparison CMOS-MagView BIAS CMOS-MagView Handheld MagView Very good visualization Due to the static external Handheld MagView is best capabilities for oriented steel magnetic field, perfectly suited suited to be used for mobile domain investigations. to investigate domain walls. needs since its totally cordless With special adjustable can be easily operated. magnetic field generator the BIAS CMOS-MagView can be easily upgraded to investigate domain wall movements. Since the CMOS-MagView body is the same for BIAS CMOS- MagView (D sensor) and CMOS-MagView (A sensor) the system can be adjusted to have changeable sensor modules and external field generation module, providing both investigation methods within one system. 28.11.2012 18

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Electrical Steel Domains

  • 1. Magnetic technologies & systems Matesy GmbH Steel domain analysis with the magneto-optical sensor system CMOS-MagView Contact: Company: November 2012 Marco Koschny Matesy GmbH Wildenbruchstrae 15 07745 Jena, Germany Phone.: +49 3641 875 904 Fax: +49 3641 875 905 Email: m.koschny@matesy.de 28.11.2012 1
  • 2. Magnetic technologies & systems Specimen and investigation devices Oriented Silicon Steel Non Oriented Silicon Steel CMOS-MagView BIAS CMOS-MagView Handheld MagView A Sensor (max: 賊2.6) D Sensor (max: 賊7.7); A Sensor (max: 賊2.6); Mobile Good domain orientation visibility external BIAS magnetic field Medium domain orientation visibility Medium domain wall recognition Domain orientation visibility adjustable Medium domain wall recognition Most contrasty domain wall recognition 28.11.2012 2
  • 3. Magnetic technologies & systems CMOS-MagView A Sensor Non Oriented Silicon Steel Oriented Silicon Steel 28.11.2012 3
  • 4. Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView A Sensor Domain-Mapping merged from 9 single images 28.11.2012 4
  • 5. Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView A Sensor 28.11.2012 5
  • 6. Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView A Sensor 28.11.2012 6
  • 7. Non Oriented Silicon Oriented Silicon SteelSteel Magnetic technologies & systems CMOS-MagView A Sensor 28.11.2012 7
  • 8. Non Oriented Silicon Oriented Silicon SteelSteel Magnetic technologies & systems CMOS-MagView A Sensor 28.11.2012 8
  • 9. Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView D Sensor 28.11.2012 9
  • 10. Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView D Sensor 28.11.2012 10
  • 11. Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView D Sensor 28.11.2012 11
  • 12. Oriented Silicon Steel Magnetic technologies & systems CMOS-MagView D Sensor 28.11.2012 12
  • 13. Non Oriented Silicon Oriented Silicon SteelSteel Magnetic technologies & systems CMOS-MagView D Sensor 28.11.2012 13
  • 14. Oriented Silicon Steel Magnetic technologies & systems Handheld MagView A Sensor 28.11.2012 14
  • 15. Oriented Silicon Steel Magnetic technologies & systems Handheld MagView A Sensor 28.11.2012 15
  • 16. Oriented Silicon Steel Magnetic technologies & systems Handheld MagView A Sensor 28.11.2012 16
  • 17. Non Oriented Silicon Oriented Silicon SteelSteel Magnetic technologies & systems Handheld MagView A Sensor 28.11.2012 17
  • 18. Magnetic technologies & systems Overview and Comparison CMOS-MagView BIAS CMOS-MagView Handheld MagView Very good visualization Due to the static external Handheld MagView is best capabilities for oriented steel magnetic field, perfectly suited suited to be used for mobile domain investigations. to investigate domain walls. needs since its totally cordless With special adjustable can be easily operated. magnetic field generator the BIAS CMOS-MagView can be easily upgraded to investigate domain wall movements. Since the CMOS-MagView body is the same for BIAS CMOS- MagView (D sensor) and CMOS-MagView (A sensor) the system can be adjusted to have changeable sensor modules and external field generation module, providing both investigation methods within one system. 28.11.2012 18