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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
                                                    Wildenbruchstraße 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: ±2.6𝑚𝑇)               D Sensor (max: ±7.7𝑚𝑇);                     A Sensor (max: ±2.6𝑚𝑇); 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 it‘s 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 Wildenbruchstraße 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: ±2.6𝑚𝑇) D Sensor (max: ±7.7𝑚𝑇); A Sensor (max: ±2.6𝑚𝑇); 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 it‘s 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