1. D. Han and V. Kaajakari, "Microstructured polymer for shoe power generation", Transducers 2009, International Solid-State Sensors, Actuators and Microsystems Conference, pp. 1393-1396 , Denver, CO, June 21-25, 2009.
  2. W. Clower, E. Rodrique, C. Wilson, and V. Kaajakari, "Electrical control for wet etching of quartz resonators", IEEE Int. Frequency Control Symposium, pp. 939-942, Besancon, France, Apr. 20-24, 2009.
  3. E. Rodrique and V. Kaajakari, "Electrochemical etching of quartz", IEEE Int. Ultrasonics Symposium, pp. 2586-2589, New York, NY, Oct. 28-31, 2007.
  4. M. Koskenvuori, V. Kaajakari, T. Mattila, and I. Tittonen, "Temperature Measurement and Compensation Based on Two Vibrating Modes of a Bulk Acoustic Mode Microresonator", MEMS’08. Proceedings of the 21st IEEE International Conference on Micro Electro Mechanical Systems, pp. 78-81, Tucson, AZ, Jan. 13-17, 2008.
  5. V. Kaajakari, J. Kiihamäki, H. Kuisma, V. Kokkala, and M. Tuohiniemi, "Stability of wafer level vacuum encapsulated silicon resonators", 2nd International Conference on Wafer Bonding for MEMS Technologies, Halle, Germany, pp. 59-60, Apr. 9-11, 2006. Invited
  6. V. Kaajakari, J. Koskinen, T. Mattila, P. Rantakari, J. Kiihamäki, M. Koskenvuori, I. Tittonen, and A. Oja, "Low noise silicon micromechanical bulk acoustic wave oscillator", IEEE International Ultrasonics Symposium, Rotterdam, Netherlands, pp. 1299-1302, Sep. 18-21, 2005.
  7. A. T. Alastalo and V. Kaajakari, "Designing capacitively coupled microelectromechanical filters", IEEE International Ultrasonics Symposium, Rotterdam, Netherlands, pp. 1588-1591, Sep. 18-21, 2005.
  8. O. Holmgren, K. Kokkonen, V. Kaajakari, A. Oja, and J. V. Knuuttila, "Direct optical measurement of the Q values of RF-MEMS resonators", IEEE International Ultrasonics Symposium, Rotterdam, Netherlands, pp. 2112-2115, Sep. 18-21, 2005.
  9. V.Kaajakari, J. Kiihamäki, A. Oja, H. Seppä, S. Pietikäinen, V. Kokkala, and H. Kuisma, "Stability of wafer level vacuum encapsulated single-crystal silicon resonators", The 13th International Conference on Solid-State Sensors, Actuators and Microsystems, Seoul, Korea, pp. 916 - 919, June 5-9, 2005. Download
  10. P. Rantakari, V.Kaajakari, T. Mattila, J. Kiihamäki, A. Oja, I. Tittonen, and H. Seppä, "Low noise, low power micromechanical oscillator", The 13th International Conference on Solid-State Sensors, Actuators and Microsystems, Seoul, Korea, pp. 2135-2138, June 5-9, 2005.
  11. J. Kiihamäki, V.Kaajakari, H. Luoto, H. Kattelus, and M. Yli-Koski, "Fabrication of single crystal silicon resonators with narrow gaps", The 13th International Conference on Solid-State Sensors, Actuators and Microsystems, Seoul, Korea, pp. 1354-1357, June 5-9, 2005.
  12. O. Holmgren, K. Kokkonen, T. Mattila, V. Kaajakari, A. Oja, J.Kiihamäki, J. V. Knuuttila, and M. M. Salomaa, "Visualization of in- and out-of-plane vibrations in a micromechanical RF-resonator", 2004 IEEE International Ultrasonics, Ferroelectrics, and Frequency Control, 50th Anniversary Joint Conference, Montréal, Canada, August , 2004.
  13. M. Koskenvuori, P. Rantakari, J. Väisäsvaara, I. Tittonen, T. Mattila, A. Oja, V. Kaajakari, H. Seppä, H. Kattelus, and J. Kiihamäki, "Active post-processing method to increase the electro-mechanical coupling in microresonators", Eurosensors 17th European Conference on Solid-state Transducers, Guimarães, Portugal, pp. 675 - 676, Sept. 21 - 24, 2003.
  14. V. Kaajakari, T. Mattila, A. Oja, J. Kiihamäki, H. Kattelus, M. Koskenvuori, P. Rantakari, I. Tittonen, and H. Seppä, "Square-extensional mode single-crystal silicon micromechanical RF-resonator", Transducers'03, The 12th International Conference on Solid-State Sensors and Actuators, Boston, USA, pp. 425-432, June 8-12, 2003. Download
  15. V. Kaajakari, T. Mattila, J. Kiihamäki, H. Kattelus, A. Oja, and H. Seppä, "Nonlinearities in single-crystal silicon micromechanical resonators", Transducers'03, The 12th International Conference on Solid-State Sensors and Actuators, Boston, USA, pp. 1574-1577, June 8-12, 2003. Download
  16. V. Kaajakari and A. Lal, "Thermo-kinetic actuation for hinged structure batch microassembly", MEMS 2002, Proceedings of the Fifteenth Annual International Workshop on Micro Electro Mechanical Systems, Las Vegas, USA, pp. 196-199, January 20-24, 2002. Download
  17. V. Kaajakari and A. Lal, "Parametric excitation of whispering gallery modes on circular micromachined polysilicon disks", IEEE International Ultrasonics Symposium, Munich, Germany, pp. 1015-1018, October 8-11, 2002.
  18. V. Kaajakari and A. Lal, "Optimization of ultrasonically driven surface micromachined micromotor", IEEE International Ultrasonics Symposium, Atlanta, pp. 541-544, October 7-10, 2001. Winner of the UFFC student paper competition. Download
  19. V. Kaajakari, A. Sathaye, and A. Lal, "A frequency addressable ultrasonic microfluidic actuator array", Transducers'01 and Eurosensors XV, The 11th International Conference on Solid-State Sensors and Actuators, Munich, Germany, pp. 958-961, June 10-14, 2001. Download
  20. V. Kaajakari and A. Lal, "Electrostatic batch assembly of surface MEMS using ultrasonic triboelectricity", MEMS 2001, Proceedings of the Fourteenth Annual International Workshop on Micro Electro Mechanical Systems, Interlaken, Switzerland, pp. 10-13, January 23-27, 2001.
  21. V. Kaajakari, S.-H. Kan, L.-J. Lin, A. Lal, and S. Rodgers, "Ultrasonic actuation for MEMS dormancy-related stiction reduction", Proceedings of the SPIE, vol.4180, MEMS Reliability for Critical Applications, Santa Clara, pp.60-65, September 20, 2000.
  22. V. Kaajakari, S. Rodgers and A. Lal, "Ultrasonically driven surface micromachined motor", MEMS 2000, Proceedings of the Thirteenth Annual International Workshop on Micro Electro Mechanical Systems, Miyazaki, Japan, pp. 40-45, January 23-27, 2000. Download
  23. H.-C. Lee, V. Kaajakari, and A. Lal, "Impact testing of silicon micromachined beams", Proceedings of the SPIE, vol.3875, Santa Clara, pp.80-86, September 20-21, 1999.
  24. V. Kaajakari and A. Lal, "Pulsed ultrasonic actuation of polysilicon surface micromachines", IEEE Ultrasonics Symposium, Lake Tahoe, pp. 643-646, October 17-20, 1999. Download
  25. V. Kaajakari and A. Lal, "Direct force and temperature measurements in ultrasonic tissue cutting", Presented at the IEEE International Ultrasonics Symposium, Lake Tahoe, October 17-20, 1999.
  26. V. Kaajakari and A. Lal, "Pulsed ultrasonic release and assembly of micromachines", Transducers'99, The 10th International Conference on Solid-State Sensors and Actuators, Sendai, Japan, pp. 212-215, June 7-10, 1999. Download

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