1. V. Kaajakari, "Closed form expressions for RF MEMS switch actuation and release time", Electr. Let., Vol. 43, No. 3, pp. 149-150, Jan. 2009. DOI: 10.1049/el:20093281
  2. E. Rodrique and V. Kaajakari, "Electrochemical etching of quartz", Electrochem. Solid-State Lett., Vol. 12, No. 1, pp. D1-D2, Jan. 2009. DOI: 10.1149/1.3013807
  3. O. Holmgren, K. Kokkonen, T. Veijola, T. Mattila, V. Kaajakari, A. Oja, J. V. Knuuttila, and M. Kaivola, "Analysis of vibration modes in a micromechanical square-plate resonator, Journal of Micromechanics and Microengineering, Vol. 19, No. 1, p. 015028, Jan. 2009.
  4. V. Kaajakari, A. T. Alastalo, K. Jaakkola, and H. Seppä, "Variable antenna load for transmitter efficiency improvement", IEEE Transactions on Microwave Theory and Techniques, Vol. 55, No. 8, pp. 1666-1672, Aug. 2007. Download.
  5. V. Kaajakari and A. Lal, "Micromachined ultrasonic motor based on parametric polycrystalline silicon plate excitation", Sensors and Actuators A: Physical, Vol. 137, No. 1, pp. 120-128, June 2007. DOI: 10.1016/j.sna.2007.01.020
  6. V. Kaajakari, A. T. Alastalo and Tomi Mattila, "Electrostatic transducers for micromechanical resonators: free space and solid dielectric", IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 53, No. 12, pp. 2484-2489, Dec. 2006. Download
  7. A. T. Alastalo and V. Kaajakari, "Systematic design approach for capacitively coupled microelectromechanical filters", IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 53, No. 9, pp. 1662-1670, Sep. 2006. Download
  8. V. Kaajakari, J. Kiihamäki, A. Oja, S. Pietikäinen, V. Kokkala, and H. Kuisma, "Stability of wafer level vacuum encapsulated single-crystal silicon resonators", Sensors and Actuators A: Physical, Vol. 130-131, pp. 42-47, Aug. 2006. DOI: 10.1016/j.sna.2005.10.034
  9. A. T. Alastalo and V. Kaajakari, "Third-order intermodulation in microelectromechanical filters coupled with capacitive transducers", IEEE Journal of Microelectromechanical Systems, Vol. 15, No. 1, pp. 141-148, Feb. 2006. Download
  10. V. Kaajakari, J. K. Koskinen, and T. Mattila, "Phase noise in capacitively coupled micromechanical oscillators", IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 52, No. 12, pp. 2322-2331, Dec. 2005. Download
  11. A. T. Alastalo and V. Kaajakari, "Intermodulation in capacitively coupled microelectromechanical filters", IEEE Electron Device Letters, Vol. 26, No. 5, pp. 189-191, May 2005. Download
  12. V. Kaajakari, T. Mattila, A. Lipsanen, and A. Oja,"Nonlinear mechanical effects in silicon longitudinal mode beam resonators", Sensors and Actuators A: Physical, Vol. 120, No. 1, pp. 64-70, Apr. 2005. DOI: 10.1016/j.sna.2004.11.010 or download pre-print
  13. O. Holmgren, K. Kokkonen, T. Mattila, V. Kaajakari, A. Oja, J. Kiihamäki, J. V. Knuuttila, and M. M. Salomaa, "Imaging of in- and out-of-plane vibrations in micromechanical resonator", Electronics Letters, Vol. 41, No. 3, pp. 121-122, Feb. 2005.
  14. V. Kaajakari and A. Lal, "Parametric excitation of circular micromachined polycrystalline silicon disks", Applied Physics Letters,  Vol. 85, No. 17, pp 3923-3925, Oct. 2004.
  15. V. Kaajakari, T. Mattila, A. Oja, and H. Seppä, "Nonlinear limits for single-crystal silicon microresonators", IEEE Journal of Microelectromechanical Systems, Vol. 13, No. 5, pp. 715-724, Oct. 2004. Download - Cited by
  16. T. Mattila, V. Kaajakari, J. Kiihamäki, Jyrki, A. Oja, H. Kattelus, H. Seppä, M. Koskenvuori, P. Rantakari, I. Tittonen,"Silicon micromechanical resonators for RF-Applications", Physica Scripta. Vol. T114, pp. 181-184, 2004.
  17. V. Kaajakari, T. Mattila, A. Oja, J. Kiihamäki, and H. Seppä, "Square-extensional mode single-crystal silicon micromechanical resonator for low phase noise oscillator applications", IEEE Electron Device Letters, Vol. 25, No. 4, pp. 173-175, Apr. 2004. Download - Cited by
  18. V. Kaajakari and A. Lal, "Thermokinetic actuation for batch assembly of microscale hinged structures", Journal of Microelectromechanical Systems, Vol. 12, No. 4, pp. 425-432, Aug. 2003. Download

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