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Curriculum Vitae

Personal information

Name

Kent Bertilsson

Date of birth

1973-02-26

Nationality

Swedish

Place of living

Sundsvall
Academic degrees

Ph.D. in solid state devices, 2005, KTH, Stockholm, Sweden

M.Sc. in electrical engineering, 1999, Mid-Sweden University, Sundsvall
Contact Information Mid-Sweden University
Department of information technology and Media (ITM)
Electronics Design Division
S-851 70 Sundsvall
Sweden

e-mail: Kent.Bertilsson@miun.se, Kent.Bertilsson@seps.se
Phone: +46 60 148915, Fax: +46 60 148456

Employment

Time period

Employer and position

2008 -

Employer:

SEPS Technologies

Position:

CEO and Co-founder

2005 -

Employer:

Mid-Sweden University

Position:

Associate Professor                                     2011 -

Assistant Professor                                       2010 -

Deputy head of electronic design division   2009 -

Research Assistant                                       2005 - 2009

2005 - 2008

Employer:

Cree Sweden AB
(former AMDS AB, Instrinsc Semiconductor AB)

Position:

Devices design engineer

1999 - 2005

Employer:

Mid-Sweden University

Position:

Ph. D. Student

Fields of research

bullet

Switch mode power supplies and transformer technology

bullet

Semiconductor device design and Optimization

bullet

Silicon carbide devices for switched power and RF power applications

bullet

Detector technology (IR-detectors, position sensitive detectors)

Scientific merits
Summary/Highlights

bullet Built up the research activities in the area of switched power at Mid Sweden University.
bullet Recieved "Kungliga Skytteanska Samfundet" price to a younger scientist at Mid Sweden University 2011.
bulletSix Approved Research applications Grants of more than 11 000 000sek from VINNOVA, KK Foundation, Swedish Energy Agency an EU whereof Grant Holder for four projects of  7 860 000 sek. 
bullet Supervised paper receiving Young Engineer Award at PCIM 2012.
bulletProject leader for research project "Research and Development of high speed switch mode power supplies"
bulletProject leader for research project "Development of high performance SiC devices" since 2005-2008
bulletReviewer for papers in IEEE trans. on Power Electronics, IEEE Electronic Device Letter, IEEE Transaction of Electron Devices, IEEE Sensors Journal, Solid State Electronics, Arabian Journal for Science and Engineering and Diamond and Related Materials. 
bulletSupervisor for four Ph.D. Students whereof three have successfully reached licentiate degree
bullet20 papers in Scientific international refereed Journals.
bullet35 conference contributions to refereed international research conferences
bullet85 citations to published research.

Industrial and leadership experience
Summary/Highlights

bulletCo-founder and CEO for SEPS Technolgies AB
bulletDeputy head of electronic design division at Mid-Sweden University
bullet Leader of "Switched Power" research group at Mid-Sweden University
bullet4 years part time employment as semiconductor device designer at Cree Sweden AB (former Intrinsic Semiconductors AB and AMDS AB)
bullet Industrial collaboration with more than 10 different companies in different sizes
bullet External representative of management team for "yrkeshögskoleutbildningen, Avancerad automationstekniker" 
bullet Participated in leadership training course
bullet Approved in course "Supervision of Ph.D. students" in 2008
bullet Supervisor for until now four Ph.D. students since 2008

Pedagogical merits
Summary/Highlights

bullet Responsible for two educational programmes  "Electrical Power Engineering" and "International Bachelor program in Electronics"
bullet Partly developed three educational programmes "Electrical Power Engineering", "Electronic design for vehicles" and "International Bachelor program in Electronics"
bullet Chairman of faculty meetings for the educational subjects Electrical Engineering and Electronics at Mid Sweden university.
bullet Board member of YH-programme for Automation techniques.
bullet Board member of "Programme Board for International Educations" at Mid-Sweden University
bullet Exchange teacher at Tallin Technical University campus Virumaa in Estonia, April, 2010
bullet Exchange teacher at Misr International University in Cairo, Egypt, 2007
bulletDevelopment and responsible for new summer course for international students in the usage of advanced equipment in solid state devices and circuits  
bulletSupervised 15 Master thesis projects and about 50 other projects in electronics
bulletApproved in course "Pedagogy for higher level education" in 2000
bulletLecturer in electronics at Mid-Sweden University with course responsibility since 2005 in courses such as:
bullet Sensor systems and measurement technology
bullet Analog and Digital electronics
bullet Solid state electronic devices
bullet High frequency electronics
bulletTeaching laborative courses in analog and digital electronics, micro-controllers, microwave circuits and sensor systems from 1998 (prior to M.Sc graduation)

List of Publications

  1. J. Saleem, A. Majid, K. Bertilsson, T. Carlberg, “Spot welding Al 6082 sheets with preheating by induction heating process", submitted to Journal of Electrical engineering and Technology

  2. A. Majid, J. Saleem, F. Alam,  K. Bertilsson “Analysis of radiated EMI for power converters switching in MHz frequency range”, IEEE International symposium on diagnostics for Electric Machines, Power Electronics and Drives August 27-30, 2013, Valencia.

  3. J. Saleem, A. Majid, K. Bertilsson, T. Carlberg “3 Dimensional Finite Element Simulation of Seam Welding Process” Journal of elektronika ir Elektrotechnika ISSN 1392-1215, Vol 19, No 8, pp. 75-80, 2013, DOi: 10.5755/j01.eee.19.8.5398

  4. A. Majid, J. Saleem, F. Alam,  and K. Bertilsson, “EMI Suppression in High Frequency (MHz) Half Bridge Converter”, Journal of elektronika ir Elektrotechnika  ISSN 1392-1215, Vol 19, No 8, pp 73-78,  DOi: 10.5755/j01.eee.19.9.5653

  5. K. Bertilsson, "Compact power converter", Invited presentation at Workshop on Silicon Carbide Power Electronic Applications, June 2013, Stocholm, Sweden

  6. H. B. Kotte, R. Ambatipudi and K. Bertilsson, "A 45W LLC resonant Converter in MHz Frequency Region for Laptop Adapter Applications", PCIM 2013, Nürnberg, May 2013

  7. R. Ambatipudi, H. K. Babu, K. Bertilsson, "High Performance Planar Power Transformer with High Power Density in MHz Frequency Region for Next Generation Switch Mode Power Supplies", 28th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2013), p 2139-43, 2013, DOi: 10.1109/APEC.2013.6520591

  8. H. B. Kotte, R. Ambatipudi and K. Bertilsson, “High Speed (MHz)Series Resonant Converter (SRC) Using Multilayered Coreless Printed Circuit Board (PCB) Step-Down Power Transformer",  IEEE transaction of Power electronics Vol. 20, No 3, 2013

  9. J. Saleem, A. Majid, K. Bertilsson, T. Carlberg, N. Ul Islam, "Nugget Formation during Resistance Spot Welding
    using Finite Element Model",     International Conference on Aerospace, Mechanical, Automotive and Materials Engineering, Stockholm 2012

  10. A. Majid, J. Saleem, K. Bertilsson, "Design and Implementation of EMI Filter For High Frequency (MHz) Power Converters", Proceeding of EMC Europe 2012, 17-21 September, 2012, Rome, DOi: 10.1109/EMCEurope.2012.6396738

  11. A. Majid, J. Saleem, K. Bertilsson, "EMI filter design for high frequency power converters", proceedings of IEEE International Conference on Environment and Electrical Engineering, Venice, May 2012

  12. K. Bertilsson, "Nästa generations kompakta spänningsomvandlare", THULE, Kungl. Skytteanska Samfundets årsbok 2012, Umeå, pp. 153-157

  13. R. Ambatipudi, H. K. Babu, K. Bertilsson, “Effect of Air Gap on the Performance Characteristics of Transformer for High Frequency (MHz) Switch Mode Power Supplies“, Accepted for publication in INDUCTICA 2012, Coil Winding, Insulation and Electrical Manufacturing International

  14. R. Ambatipudi, H. K. Babu, K. Bertilsson, “Effect of Dielectric Material on the Performance of Printed Circuit Board Power Transformers in MHz Frequency Region", Accepted for publication in INDUCTICA 2012, Coil Winding, Insulation and Electrical Manufacturing International

  15. H. B. Kotte, R. Ambatipudi, S. Haller , K. Bertilsson, “A ZVS Half Bridge DC-DC Converter in MHz Frequency Region Using Novel Hybrid Power Transformer”, in Proceedings of PCIM Europe 2012, 8 – 10 May 2012, Nuremberg, Germany, pp.399 – 406

  16. H. B. Kotte, R. Ambatipudi and K. Bertilsson, “High Speed Series Resonant Converter (SRC) Using Multilayered Coreless Printed Circuit Board (PCB) Step-Down Power Transformer”, proceedings of 33rd International Telecommunicatons Energy Conference, 9-13 October 2011, Amsterdam, The Netherlands.

  17. J. Saleem, A. Majid, S. Haller, K. Bertilsson, "A Study of IGBT Rupture Phenomenon in Medium Frequency Resistance Welding Machine" , International Aegean Conference on Electric Machines and Power Electronics & Electromotion, 08-10 September 2011 İstanbul, Turkey

  18. A. Majid, J. Saleem, H. B. Kotte, R. Ambatipudi, S. Haller, K .Bertilsson,”Analysis of Feedback in Converter using Coreless Printed Circuit Board Transformer”, International Aegean Conference on Electrical Machines and Power Electronics & Electromotion-ACEMP 2011 at Turkey Istambul (September 08-10, 2011)

  19. J. Saleem, A. Majid, R. Ambatipudi, H. B. Kotte, Kent Bertilsson, "High Frequency Full Bridge Converter using Multilayer Coreless Printed Circuit Board Step-Up Power Transformer" 20th European Conference on Circuit Theory and Design, ECCTD2011, August 29 to 31, 2011 Linköping, Sweden

  20. A. Majid, H. B. Kotte, S. Haller, R. Ambatipudi, J. Saleem, K. Bertilsson "High Frequency Half-Bridge Converter using Multilayered Coreless Printed Circuit Board Step-Down Power Transformer", proceedings of 8th Internastional Conference on Power Electronics-ECCE Asia, June 2011, Jeju, Korea

  21. R. Ambatipudi, H. B. Kotte, K. Bertilsson, "Radiated Emissions of Multilayered Coreless Printed Circuit Board Step-Down Power Transformers in Switch Mode Power Supplies", proceedings of 8th Internastional Conference on Power Electronics-ECCE Asia, June 2011, Jeju, Korea

  22. H. B. Kotte, R. Ambatipudi, K. Bertilsson, "High Speed Cascode Flyback Converter Using Multilayered Coreless Printed Circuit Board (PCB) Step-Down Power Transformer", proceedings of 8th Internastional Conference on Power Electronics-ECCE Asia, June 2011, Jeju, Korea

  23. J. Saleem, A. Majid, L. Schüberg, and K. Bertilsson, "Study the influence of the alignment and nearby metallic objects on the Hall sensor system for current measurement in Resistance Spot Welding Machine", proceedings of IEEE International Conference on Environment and Electrical Engineering 2011, May 2011, Rome, Italy

  24. K. Bertilsson, "High frequency power converters", Invited presentation at Workshop on Silicon Carbide Power Electronic Applications, May 2011, Kista, Sweden,

  25. R. Ambatipudi, H. B. Kotte and K. Bertilsson, “Comparison of Two Layered and Three Layered Coreless Printed Circuit Board (PCB) Step-down Transformers”, proceedings of 2010 3rd The International Conference on Power Electronics and Intelligent Transportation System (PEITS 2010)”, November 20-21, 2010, Shenzhen, China.

  26. H. B. Kotte, R. Ambatipudi and K. Bertilsson, “Comparitive results of GaN and Si MOSFET in a ZVS Flyback Converter using Multilayered Coreless Printed Circuit Board Step down Transformer”, proceeding of 2010 3rd The International Conference on Power Electronics and Intelligent Transportation System (PEITS 2010)”, November 20-21, 2010, Shenzhen, China. .

  27. R. Ambatipudi, H. B. Kotte and K. Bertilsson, “Coreless Printed Circuit Board (PCB) Step-down Transformers for DC-DC Converter Applications”, Int. Conference on Electrical Machines and Power Electronics, Issue 71, ISSN: 1307-6892, pp. 370-379, 2010.

  28. Hari. B. Kotte, R. Ambatipudi and K. Bertilsson, ‘’A ZVS Flyback DC-DC Converter using Multilayered Coreless Printed-Circuit Board (PCB) Step-down Power Transformer”, Int. Conference on Electrical Machines and Power Electronics, Issue 71, ISSN: 1307-6892, pp. 80-88, 2010

  29. C. G Mattsson, G. Thungström, K. Bertilsson, H.-E. Nilsson and H. Martin, "Fabrication and characterization of a design optimized SU-8 thermopile with enhanced sensitivity", Measuremenst Science and Technology, 20, 2009

  30. C. G. Mattsson, G. Thungström, H. Rödjegård, K. Bertilsson, H.-E. Nilsson, H. Martin, "Experimental evaluation of a thermopile detector with SU-8 membrane, in a carbon dioxide meter setup", IEEE Sensors Journal, Vol. 9, No. 12, 2009

  31. C. G. Mattsson, K. Bertilsson, G. Thungström, H.-E. Nilsson and H. Martin, "Thermal simulation and design optimization of a thermopile infrared detector with SU-8 membrane", Micromachnics and Microengineering, Vol 19, No. 5, 2009

  32. C. G. Mattsson, G. Thungström, K. Bertilsson, H.-E. Nilsson, Hans Martin, "Design of a Micromachined Thermopile Infrared Sensor With a Self-Supported Membrane", IEEE Sensors Journal, Vol. 8, No. 12, 2008, pp. 2044-2052

  33. H. A. Andersson, K. Bertilsson, G. Thungström, H.-E. Nilsson, "Processing and Characterization of a MOS-Type Tetra Lateral Position Sensitive Detector With Indium Tin Oxide Gate Contact", IEEE Sensors Journal, Vol. 8, No. 10, 2008, pp. 1704-1709

  34. C. G. Mattsson, G. Thungström, K. Bertilsson, H.-E. Nilsson, "Fabrication and evaluation of a thermoelectric IR sensor formed on a thin photosensitive epoxy membrane with low thermal conductance" in Journal of Physics: Conf. series, IVC-17 / ICSS-13 and ICN+T 2007 congress, 2007,

  35. C. G. Mattsson, G. Thungstrom, K. Bertilsson, H.-E. Nilsson, H Martin, "Development of an infrared thermopile detector with a thin self-supporting SU-8 membrane", IEEE Sensors Conference, 2007, pp. 836-839

  36. K. Bertilsson, C. I. Harris, "Comparison of Bipolar and Unipolar SiC Switching Devices for Very High Power Applications", Materials Science Forum Vols. 556-557, 2007, pp. 975-978

  37. S. Intarasiri, A. Hallén, J. Lu, J. Jensen, L. D. Yu, K. Bertilsson, M. Wolborski, S. Singkarat, and G. Possnert, “Crystalline quality of 3C-SiC formed by high-dose C+-implanted Si”, Applied Surface Science, Volume 253, Issue 11, 2007, pp. 4836-4842

  38. M. O'nils, B. Oelmann, K. Bertilsson, G. Thungström, H.-E. Nilsson, "A Project Based Master’s Program for SoF/SoC based Sensor Systems", Proceedings of the European Conference on Circuit Theory and Design, 2005.

  39. * K. Bertilsson, C. Harris, H-E. Nilsson, "Calculation of lattice heating in SiC RF power devices", Solid State Electronics Vol 48 (12), 2004, pp. 2103-2107.

  40. * K. Bertilsson, H-E. Nilsson, "The power of using automatic device optimization, based on iterative device simulations, in design of high-performance devices", Solid State Electronics Vol 48 (10-11), 2004, pp 1721-1725.

  41. C. Mattsson, K. Bertilsson, G. Thungström, H.-E. Nilsson, "Manufacturing and characterization of a modified four quadrant position sensitive detector for out-door applications", Nuclear Instruments and Methods in Physics Research A 531, 2004, pp. 134–139

  42. K. Bertilsson, H.-E. Nilsson, “Optimization of 2H, 4H and 6H-SiC MESFETs for High Frequency Applications”, Physica Scripta T101, 2002, pp.75-77

  43. * E. Dubaric, K. Bertilsson, H.-E. Nilsson, “Simulations of Submicron MOSFETs in 2H, 4H and 6H-SiC”, Physica Scripta T101, 2002, pp. 14-17

  44. H.-E. Nilsson, E. Dubaric, M. Hjelm, K. Bertilsson, “Simulation of photon and charge transport in X-ray imaging semiconductor sensors”, Nuclear Instruments and Methods in Physics Research A 487, 2002, pp.151-162

  45. * H.-E. Nilsson, K. Bertilsson, M. Hjelm, E. Dubaric, “Numerical Simulation of Field Effect Transistors in 4H- and 6H-SiC”, Journal of Wide Bandgap Materials, Vol. 9, No. 4, 2002, pp. 293-305.

  46. * K. Bertilsson, H.-E. Nilsson, “Optimization of 2H, 4H and 6H-SiC high-speed vertical MESFETs”, Diamond and Related Materials No. 11, 2002, pp. 1254-1257.

  47. K. Bertilsson, M. Hjelm, H.-E. Nilsson, C. S. Petersson, “Monte Carlo Simulation of 4H and 6H-SiC short channel MOSFETs”, Proceedings of HITEN 2001, pp. 79-80.

  48. * M. Hjelm, K. Bertilsson, H.-E. Nilsson, “Full Band Monte Carlo Study of Bulk and Surface Transport Properties in 4H and 6H-SiC”, Applied Surface Science No. 184, 2001 pp. 194-198.

  49. K. Bertilsson, E. Dubaric, G. Thungström, H.-E. Nilsson, C. S. Petersson, “Simulation of a low atmospherical noise four-quadrant position sensitive detector”, Nuclear Inst. and Methods in Physics Research, A, Vol 466 (1), 2001,  pp. 183-187.

  50. * K. Bertilsson, H.-E. Nilsson, M. Hjelm, C. S. Petersson, P. Käckell, C. Persson, “The Effect of Different Transport Models in Simulation of High Frequency 4H-SiC and 6H-SiC Vertical MESFETs”, Solid-State Electronics, Vol 45 (5), 2001, pp. 645-653.

  51. * K. Bertilsson, E. Dubaric, H.-E. Nilsson, M. Hjelm, C. S. Petersson, “Monte Carlo simulation of vertical MESFETs in 2H, 4H and 6H-SiC”, Diamond and Related Materials No. 10, 2001, pp. 1283-1286

  52. * K. Bertilsson, H.-E. Nilsson, C. S. Petersson, “Simulation of anisotropic Breakdown in 4H-SiC Diodes”, Proceeding of Computers in Power Electronics -2000, Virginia Tech, Blacksburg, Virginia, USA, 16-18 July 2000.

* - Included in Ph.D. Thesis, Kent Bertilsson, “Simulation and Optimization of SiC Field Effect Transistors”, ISSN 1650-8599, KTH, Stockholm, 2004

 

Patents and patent applications

  1. K. Bertilsson, "A transformer", EP2242067A1

  2. K. Bertilsson, "Transformer", US7,978,041 B2

  3. C. Harris, K. Bertilsson, A. Konstantinov, "Silicon Carbide self aligned epitaxial MOSFET and method of manufacturing the same", JP2008227486,

  4. C. Harris, K. Bertilsson, A. Konstantinov, "Silicon Carbide self aligned epitaxial MOSFET and method of manufacturing thereof", EP1965436

  5. C. Harris, K. Bertilsson, A. Konstantinov, "Silicon Carbide self aligned epitaxial MOSFET and method of manufacturing thereof", US20080203398

  6. C.Harris, K. Bertilsson, . Konstantinov, "Method of manufacturing Silicon Carbide self-aligned epitaxial MOSFET for highe powered device applications", US20100041195

  7. C. Harris, C. Basceri, K. Bertilsson, "Schottky Diode with incorporated PN-junctions", EP2033226

  8. C. Harris, C. Basceri, K. Bertilsson, "Schottky Diode with incorporated PN-junctions",WO2007139487

  9. C. Harris, K. Bertilsson, A. Konstantinov, "Silicon Carbide self aligned epitaxial MOSFET and method of manufacturing thereof", US7629616

  10. C. Harris, C. Basceri, K. Bertilsson, "Semiconductor device", US20070278609

  11. C. Harris, C. Basceri, K. Bertilsson, "Semiconductor device", US7728403

  12. H.-E. Nilsson, H. Olin, K. Bertilsson, M. Hummelgård "Nanoelectronic device" in Swedish Patent Application no 0501443-6, 2005
Kent Bertilsson

Kent.Bertilsson@miun.se

Phone:  +4660 148915
Fax:   +4660 148456
Cellular:  +4670 6864443

_______________________

Visiting adress:

Kent Bertilsson
Mid-Sweden University
Åkroken-S 205
Holmgatan 10
Sundsvall

Mailing adress:

Kent Bertilsson
ITM
Mid-Sweden University
S-851 70 Sundsvall
Sweden


     
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