Publications

Papers in refereed journals:

 
  1. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2006] -"Using dynamic voltage drive in a parallel-plate electrostatic actuator for full-gap travel range and positioning," in IEEE J. of Microelectromechanical Systems, vol. 15, No. 1, pp. 69-83, Feb. 2006
  2. G. de Graaf, L. Mol, L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2005] - "Predistorted sinewave-driven parallel-plate electrostatic actuator for harmonic displacement," in IOP Journal of Micromechanics and Microengineering, vol. 15, No. 7, pp. S103-S108, July 2005
  3. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2005]-"Measuring and interpreting the mechanical-thermal noise spectrum in MEMS," in IOP Journal of Micromechanics and Microengineering, vol. 15, No. 7, pp. S30-S38, July 2005
  4. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2005]-"MEMS-based mechanical spectrum analyzer", in IEEE Trans. on Instrumentation and Measurement, vol. 54, No. 3, pp.1260-1265, June 2005
  5. L.A.Rocha, E. Cretu and R.F.Wolffenbuttel [2004] -"Compensation of temperature effects on the pull-in voltage of microstructures", in Sensors and Actuators A: Physical, vol. 115, No 2-3, pp 351-356, September 2004  
  6. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2004] -"Behavioural analysis of the pull-in dynamic transition", in IOP Journal of Micromechanics and Microengineering, vol. 4, No. 9. pp S37-S42, August 2004
  7. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2004] -”Analysis and Analytical Modeling of Static Pull-In with Applications to MEMS-based Voltage References and Process Monitoring”, in IEEE J. of Microelectromechanical Systems, vol. 13, No. 2, pp. 342-354, April 2004
  8. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2004] - "Full characterisation of pull-in in single-sided clamped beams", in Sensors and Actuators A: Physical, Vol. 110, No 1-3, pp301-309, Febr. 2004
  9. L.A. Rocha, E. Cretu, R.F. Wolffenbuttel [2003]-”Stability of a Micromechanical Pull-in Reference Voltage”, in IEEE Trans. on Instrumentation and Measurement, April 1003, Vol. 52, No.3, pp. 457-460
  10. E. Cretu, L.A. Rocha, and R.F. Wolffenbuttel [2001] - “Micromechanical Voltage Reference Using the Pull-in of a Beam”, in IEEE Trans. on Instrumentation and Measurement, Dec. 2001, vol. 50, No. 6, pp.1504-1508
  11. E. Cretu, M. Bartek and R.F. Wolffenbuttel [2000] -”Spectral Analysis Through Electromechanical Coupling”, in Sensors and Actuators A, vol. A85, No 1-3, 25 Aug. 2000, pp. 23-32
  12. Correia, J.H., E. Cretu, M. Bartek and R.F. Wolffenbuttel [1998]-”A Local Bus for MCM-Based Microinstrumentation Systems”, Sensors and Actuators A, Vol. A 68, No. 1-3, 1998, pp. 460-465 (ISSN 0924-4247)
  13. E. Cretu, A Silard, M. Duta, D. Poenar [1991] - “The dv/dt Capability of Power MOSFETs and Merged Bipolar-MOS Devices”, in Revue Roumaine des Sciences Techniques, serie Electrotechnique et Energetique, tome 36, vol. 4, p. 517-524
  14. D.Poenar, E. Cretu [1988]- “Recent Applications of Neurobionics”, in Studies and Researches of Biotechnology (ed. M.D. Nicu), vol. 20, p.280-289, IPB Litography, Bucharest, Romania

 

  

Contributions to refereed conferences:

 
  1. L.Mol, L.A. Rocha, E. Cretu and R.F. Wolfenbuttel [2006] - "Experimental Verification of Rarefied Gas Squeezed-Film Damping Models Used in MEMS", in Proc. of IMECE2006, 2006 ASME International Mechanical Engineering Congress and Exposition, Nov. 5-10, Chicago, Illinois, USA
  2. L.Mol, L.A. Rocha, E. Cretu and R.F. Wolfenbuttel [2006] - "On-Off Control for Full-Gap Positioning of Parallel-plate Electrostatic MEMS", in Proc. of IMECE2006, 2006 ASME International Mechanical Engineering Congress and Exposition, Nov. 5-10, Chicago, Illinois, USA
  3.            J. Raman, E. Cretu, P. Rombouts and L. Weyten [2006] - "A digitally controlled MEMS gyroscope with unconstrained sigma-delta force-feedback architecture," IEEE Int. Conf. on MEMS, Jan. 22-26, Istanbul, Turkey
  4. G.de Graaf, L. Mol, L.Rocha, E. Cretu and R.F. Wolffenbuttel [2004] -"Quadrature oscillator with pre-distorted waveforms for application in MEMS-based mechanical spectrum analyser", in Proc. of ESSCIRC2004, 30th European Solid-State Circuits Conference, Leuven, Belgium, 21-23 September 2004
  5. G. de Graaf, L. Mol, L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2004] - "Harmonic displacement of a parallel-plate electrostatic actuator using a pre-distorted sinewave oscillator", in Proc. of MME’04, Micromechanics Europe Workshop,  September 5-7, 2004, Leuven, Belgium, pp.53-56
  6. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2004] - "Mechanical-thermal and 1/f Noise in MEMS Devices", in Proc. of MME’04, Micromechanics Europe Workshop,  September 5-7, 2004, Leuven, Belgium, pp. 100-103
  7. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2004] - "A Full-System Dynamic Model for Complex MEMS Structures", in Proc. of  Nanotech2004, 2004 NSTI Nanotechnology Conference and Trade Show, March 7-11, 2004, Boston, Massachusetts, USA
  8. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2004] - "Analytical Model for the Pull-in Time of Low-Q MEMS devices", in Proc. of  Nanotech2004, 2004 NSTI Nanotechnology Conference and Trade Show, March 7-11, 2004, Boston, Massachusetts, USA
  9. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2004] -”Pull-In Dynamics: Analysis and Modeling of the Transitional Regime”, in Proc. of the 17th IEEE International Conference on Micro Electro Mechanical Systems MEMS 2004,  January 25-29, 2004, Maastricht, The Netherlands
  10. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2003] -”Dynamics of pull-in: analysis of the meta-stable regime”, in MME’03, The 14th MicroMechanics Europe Workshop, 2-4 November 2003, Delft, The Netherlands
  11. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2003] -”Electro-Mechanical Compensation of the Temperature Coefficient of the Pull-In Voltage of Microstructures”, in Eurosensors XVII, 17th European Conference on Solid-State Transducers, 20-21 September 2003, Guimar‹es, Portugal
  12. L.A. Rocha, E. Cretu and R.F. Wolffenbuttel [2003] - “Displacement Model for Dynamic Pull-In Analysis and Application in Large-Stroke Electrostatic Actuators”, in Eurosensors XVII, 17th European Conference on Solid-State Transducers, 20-21 September 2003, Guimar‹es, Portugal
  13. E.Cretu, L.A. Rocha, R.F. Wolffenbuttel [2003] -”Electro-mechanical Feedback for Realization of a Mechanical Spectrum Analyzer”, in Transducers’03, The 12th International Conf. on Solid-State Sensors, Actuators and Microsystems, Boston, Ma, USA, June 8-12,  pp1407-1410
  14. L.A.Rocha, E.Cretu, G. de Graaf and R.F. Wolffenbuttel [2003] -”Mechanical Spectrum Analyzer in Silicon using Micromachined Accelerometers with Time-Varying Electrostatic Feedback”, in IMTC2003, The 20th IEEE Instrumentation and Measurement Technology Conference, Vail, Co, USA, 20-22 May 2003
  15. L.A. Rocha, E. Cretu, R.F. Wolffenbuttel [2002] -” Hysteresis in the Pull-in of Microstructures”, in MME 2002, October 6-8 2002 Sinaia, Romania
  16. L.A. Rocha and E. Cretu and R.F. Wolffenbuttel [2002] -”Stability of Silicon microfabricated pull-in voltage references”, Proc. of CPEM 2002, IEEE Conf. on Precision Electromagnetic Measurements, June 16-21, Ottawa, Canada
  17. L.A. Rocha, E. Cretu, R.F. Wolffenbuttel [2002] -”The pull-in of symmetrically and asymmetrically driven microstructures and the use in DC voltage references”, in IMTC2002, The 19th IEEE Instrumentation and Measurement Technology Conference, Anchorage, Alaska, USA, May 21-23
  18. L. Rocha, E. Cretu, R.F. Wolffenbuttel [2001] -”Design of a Pull-in Voltage Reference Structure”, MME’2001 (Micromechanics Europe), Sept. 16-18, Cork, Ireland
  19. E. Cretu, L. Rocha, R.F. Wolffenbuttel [2001] - “Using the Pull-in voltage as voltage reference”, in Transducers’2001/Eurosensors XV, Munich, Germany, June 10-14 , pp 678-680
  20. E.Cretu, R. Diels [2000] -” Intelligent sensors in silicon - an industrial perspective”, in Microtechnology in Metrology and Metrology in Microsystems, Delft, The Netherlands,    31 Aug-1 Sept 2000, pp. 59-68
  21. D.D.L. Wijngaards, E. Cretu, S.H. Kong and R.F. Wolffenbuttel [2000] - “Modelling of integrated polySiGe Peltier elements”, in Proc. of  the 6th Therminic Workshop, Sept. 24-27, Budapest, Hungary
  22. D.D.L. Wijngaards, E. Cretu, S.H. Kong and R.F. Wolffenbuttel [2000] - “Modelling of Integrated Peltier Elements”, in MSM2000 (Modeling and Simulation of Microsystems), March 27-29, San Diego, USA.
  23. E. Cretu, M. Bartek, R.F. Wolffenbuttel [1999] - “Spectral Analysis Through Electromechanical Coupling”, in Eurosensors XIII - The 13th European Conf. on Solid-State Transducers, Hague, The Netherlands, Sept. 12-15, 1999, pp. 403-404
  24. E. Cretu, M. Bartek and R.F. Wolffenbuttel [1999]- “Accelerometer with Electrically Tunable  Spectral Sensitivity”,in  Transducers '99, Sendai, Japan, June, 7-10, 1999, pp. 1298-1301
  25. E. Cretu, M. Bartek, and R.F. Wolffenbuttel [1999]- “Analytical Modelling for Accelerometers with  Electrically Tunable Sensitivity”, in Proc. of the International Conference on Modeling and Simulation of Microsystems - MSM'99, San Juan, Puerto Rico, USA, 19-21 April 1999, pp. 601-604
  26. J.H. Correia, E. Cretu, M. Bartek and R.F. Wolffenbuttel [1998]-”Bulk-micromachined tuneable Fabry-Perot microinterferometer for the visible spectral range", Proc. Eurosensors XII, Southampton, UK, September 1998
  27. Correia, J.H., E. Cretu, S.H. Kong, M.P. BrŸnner, M. Bartek and R.F. Wolffenbuttel [1997]- “Microinstrumentation System in Silicon for Industrial applications”, Workshop  Sensortechnologie 1997, 12-13 March, Zeist, The Netherlands
  28. Correia, J.H., E. Cretu, M. Bartek and R.F. Wolffenbuttel [1997]- “A Micro-Instrumentation System for Industrial Applications”, in Proc. IEEE International Symposium on Industrial Electronics (ISIE'97), Guimar‹es, Portugal, July 7-11, 1997, pp. 846-850
  29. Correia, J.H., E. Cretu, M. Bartek and R.F. Wolffenbuttel [1997]- “A Low-Power Low-Voltage Digital Bus Interface for MCM-Based Microsystems”, in Proc. 23rd European Solid-State Circuits Conference (ESSCIRC '97), September 16-18, Southampton, UK, 1997, p. 116-119
  30. Correia, J.H., E. Cretu, M. Bartek and R.F. Wolffenbuttel [1997]- “A Local Bus for MCM-Based Microinstrumentation Systems”, in Proc. Eurosensors XI, September 21-24, Warsaw, Poland,  1997, p. 909-912
  31. Cretu, E., J.H. Correia, S.H. Kong, M.P. BrŸnner, M. Bartek and R. Wolffenbuttel [1997] “Flexible  Architecture for Microinstrumentation Systems in Silicon”, in Proc. of the ProRISC Workshop on Circuits, Systems and Signal Processing 1997, November 27-28, Mierlo, The Netherlands, 1997, pp. 115-120
  32. C. Suteanu, F. Munteanu, C. Ioana, E. Cretu [1995] - “Dynamics in The Critical State: Local and Global Aspects”, in Fractal in the Natural and Applied Sciences, 3rd Int. Conf., Febr. 1995, Marseille, France
  33. F. Munteanu, C. Ioana, E. Cretu, C. Suteanu, D. Zugravescu [1994] - “Algorithm for Discrimination/Classification of Time-Series - Implications for Geophysics”, in Proc. of the XVIIth Symposium of Applied Geophysics and Earth Physics, Nov. 1994, Bucharest, Romania
  34. F. Munteanu, C. Suteanu, C. Ioana, E. Cretu [1994] - “The Smoothing Dimension - a New Fractal Analysis Method”, in Nonlinear Aspects of Physicochemical Phenomena, Proc. of The IXth Europhysics Summer School on Chemical Physics and The Vth International School on Computational Chemistry, July 4-8, Girona, Catalonia (Spain)
  35. E. Cretu, C. Ioana, F. Munteanu, C. Suteanu [1994]- “Spatial Configuration Dynamics of Models with Self-Organized Criticality”, in Nonlinear Aspects of Physicochemical Phenomena, Proc. of The IXth Europhysics Summer School on Chemical Physics and The Vth International School on Computational Chemistry, July 4-8, Girona, Catalonia (Spain)
  36. C. Ioana, F. Munteanu, C. Suteanu, E. Cretu [1994] - “Complex Experimental Setup for The Study of  Biological Sensors”, in Nonlinear Aspects of Physicochemical Phenomena, Proc. of The IXth Europhysics Summer School on Chemical Physics and The Vth International School on Computational Chemistry, July 4-8, Girona, Catalonia (Spain)
  37. C. Suteanu, C. Ioana, E. Cretu, F. Munteanu [1994] - “Fractal Analysis Methods for Signal Type Discrimination”, in Nonlinear Aspects of Physicochemical Phenomena, Proc. of The IXth Europhysics Summer School on Chemical Physics and The Vth International School on Computational Chemistry, July 4-8, Girona, Catalonia (Spain)
  38. E. Cretu, C. Ioana, C. Suteanu, F. Munteanu [1994]- “Distribution Functions in Models Emphasizing Self-organized Criticality”, in Dynamics Days ‘94, Proc. of the XIIIth European Conf. on Nonlinear Dynamical Systems in Applied Physics, 14-18 June 1994, Budapest, Hungary
  39. R. Dogaru, E. Cretu [1993] - “ Information, Structure and Complexity in Neural Networks”, The XVIIth National Symposium on Biotechnology, September 1993, Bucharest, Romania
  40. E. Cretu [1993] - “Can Chaos Be Controlled?”, The XVIIth National Symposium on Biotechnology, September 1993, Bucharest, Romania
  41. E. Cretu, A. Silard, M.J. Duta, D. Poenar [1991]- “The dv/dt Capability of Power MOSFET and BIMOS Devices”, in Proc. of the Symposium on Materials and Devices for Power Electronics, MADEP, Sept. 2-6, 1991, Firenze, Italy
  42. E. Cretu, A. Silard, M. Duta, D. Poenar [1990] - “The dv/dt Effect in Power MOS Structures: Analysis and Design”, in Proc. of the National Conf. on Semiconductors, October 10-13, 1990, Sinaia, Romania

Non-refereed contributions:

  E. Cretu [2003]-"Inertial MEMS Devices. Modeling, design and applications," Ph.D. Thesis, Delft University of Technology, October 2003, ISBN: 90 6734 029 4