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CURRICULUM VITAE   

First name: Niculae
Surname: Dumbravescu
Date and place of birth: June 04, 1953, Bucharest

Education: MS (5 years) in electronics, Polytechnica Institute from Bucharest, Faculty of Electronics and Telecomunications, 1977.

Professional experience:
   1. Non-conventional microstructuring techniques such as:
-High Aspect Ratio Microstructuring (HARM) of thick resists by LiGA (S-LiGA, Hot embossing) and LiGA based techniques (E-Beam LiGA, Laser-LiGA, EDM-LiGA, Gray-tone-LiGA);
-3-D structuring of thick resists by gray-tone lithography (including an original novel proposal: “3-D high resolution”);
   2. Standard (Cr on glass) / special (metallic stencils, photoplot type, Cr. on PC and 3-D, high resolution, deep X-ray absorber) masks fabrication.
   3. Failure analysis (more than one year at ROOD Technology Deutschland + Co)
   4. Design of high resolution cantilever-type, piezoresistive accelerometer

Career:
   1. 1977-1981: ICCE (Research and Development Center in Electronic Components);
   2. 1981-1983: IFA (Atomic Physics Institute);
   3. 1983-1994: ICCE (Research and Development Center in Electronic Components);
   4. 1994-2000: IMT (Institute for Microtechnologies);
   5. 2000-2001: ROOD Technology, Noerdlinger, Germany;
   6. 2002-present: INCD for Microtechnologies.

Stages abroad:
 

INSTITUTE AND PLACE

   PROFESSIONAL DEGREE

YEAR

FIELD OF

EXPERTISE

Carl Zeiss, Jena.

Service engineer for mini-computer E 60

1985

Service course for computer

E 60 from AER repeater.

Carl Zeiss, Jena.

Service engineer for AUER.fotorepeater

1985

Service curse for AUER fotorepeater.

Institut fuer Mikrostrukturtechnik, Karlsruhe.

3 month stay fellowship

1996

Accelerometer made by

S-LiGA technique

ROOD Technology Deutschland, Noerdlingen.

Internal training  course.

2001

Operator for SEM and EDX analysis (ISIS and INCA)

Glen Technologies,

Holiday Inn, Glasgow

One week training course in FA

2001

New techniques for failure analysis


Present position: III rank stientific researcher

Research interests: EB Lithography, Direct Laser Writing for mask fabrication, hot embossing in thermoplastic polymers, PDMS procesing for microoptics and microfluidic devices.

Past and current projects:
   TOXICHIP, international project (2005-2009)
   Technologies for fabrication of nano-objects applying up-down method, (2005)
   MITRAC, Matnantech project (2003)
   Capilar Electrophoresis device, internal funding project (2003)

Recent scientific publications:
   1 N. Dumbravescu, “Improvements in photoplot-based reticle Fabrication” Annual Semiconductor Conference, Proc. CAS’03, pp.171-174, Sinaia, 2003.
   2 N. Dumbravescu, A.Enescu, “Enhancements in Design and Technology applied to a high sensitivity piezoresistive Accelerometer”, Annual Semiconductor Conference, Proc. CAS’03, pp.205-208, Sinaia, 2003.
   3 N. Dumbravescu, A.Enescu, “Solutions applied to increase Sensitivity of a cantilever-type Micro-accelerometer”, Micro Mechanics Europe Workshop, Proc. MME’03, pp.227-230, Delft, 2003.
   4 N. Dumbravescu, A.Enescu, “Design Optimisation applied to a cantilever-type piezoresistive Accelerometer” International Forum on MicroNano Integration, Book of MINIT’03, pp.289-291, Potsdam, 2003.
   5 N. Dumbravescu, A.Enescu, “Original Technology applied for Manufacturing a cantilever type Micro-accelerometer”, MM&MF, Proc. SPIE, Vol.5342, pp. 260-268, San Jose, 2004.
   6 N. Dumbravescu, S. Nedelcu, “Photoplot-based reticle design using dots approach”, MicroMechanics Europe Workshop, Proc. MME’04, pp.135-138, Leuven, 2004.
   7 N. Dumbravescu, S. Nedelcu, E. Dascalu, F. Babarada, “Optimization of photoplot-based Mask Fabrication”, Annual Semiconductor Conference, Proc. CAS’04, pp. 245-248, Sinaia, 2004.
   8 D. Apostol, V. Damian, M. Kusko, N. Dumbravescu, R. Muller, C. Podaru, D. Cojoc, S. N. Toma, “On a diffractive optical Element”, Annual Semiconductor Conference, Proc. CAS’04, pp.513-516, Sinaia, 2004.
   9 S. N. Toma, A. Alexandrescu, D. Cristea, R. Muller, M. Kusko, N. Dumbravescu, V. Nascov, D. Cojoc, “Binary Phase reflective diffractive optical Elements. Design and Fabrication”, Annual Semiconductor Conference, Proc. CAS’04, pp. 401-404, Sinaia, 2004..
   10 F. Babarada, E. Lakatos, M. D. Profirescu, C. Amza, E. Manea, N. Dumbravescu, O. Profirescu, “MOSFET Process Optimisation and characteristics Extraction”, Annual Semiconductor Conference, Proc. CAS’04, pp..319-322, Sinaia, 2004.
   11 B. Firtat C. Moldovan, N. Dumbravescu, S.Ionita, I. Bostan, “Design, Microfabrication and Testing of acceleration Microtransducers for automotiveApplications”, Annual Semiconductor Conference, Proc. CAS’04, pp..271-274, Sinaia, 2004.
   12 O. Profirescu, F. Babarada, M. D. Profirescu, C. Ravariu, E. Manea, N. Dumbravescu, C. Dunare, D. Ulieru, “MOSFET conductance Modelling including distortion analysis Aspects”, Annual Semiconductor Conference, Proc. CAS’05, pp. 439-442, Sinaia, 2005.
   13 I. Cernica, E. Manea, N. Dumbravescu, “New hybrid integration Technique for custom designed high speed optical Micromatrix”, Oral to Annual Semiconductor Conference, Proc. CAS’05, pp. 183-186, Sinaia, 2005
   14 Babarada Florin, Profirescu Marcel D., Ravariu Cristian, Profirescu Ovidiu, Manea Elena, N. Dumbravescu, Dunare Camelia , Ulieru Dumitru; MOSFET MODELLING INCLUDING SECOND ORDER EFFECTS; Applied Simulation and Modelling; 2006; pp.606-510
   15 F. Babarada, M. Profirescu, C. Ravariu, O. Profirescu, E. Manea, N. Dumbravescu, C. Dunare, D. Ulieru; Mosfet Modelling for Distortion Analysis; International Conference on Micro and Nanotehnologies; 2006; pp.123-126
   16 F. Babarada, M.D. Profirescu, C. Ravariu, O. Profirescu, E. Manea, N. Dumbravescu, C. Dunare, D. Ulieru; Microelectronics Interactive Distance Learning; International Conference Interactive Computer Aided Learning; 2006; pp.214-218

Member of professional associations:

Additional information:
   1 N. Dumbravescu, "Smooth 3-D Shaping of thick Resists by means of gray-tone Lithography", Best Poster Award at CAS ’ 99, Sinaia.
   2 N. Dumbravescu, S. Schiaua, "Possibilities to increase the Resolution of photoelectric incremental rotary Encoders", paper published in: Materials Science in Semiconductor Processing 3 (2000), pp. 557 – 561.
   3 N. Dumbravescu, "Experiments for 3-D Structuring of thick Resists by gray-tone Lithography", paper published in: Materials Science in Semiconductor Processing 3 (2000), pp. 569 - 573
   4 E. Manea, I. Cernica, N. Dumbravescu, “Microconcentrateurs pour cellules solaires basees sur la microstructuration de surface du substrat” Medaille d’or at EUREKA 2005, Brusseles.

Foreign languages: English, French and German

Contact information:
   E-mail: niculae.dumbravescu[at]imt.ro
   Tel: +40.21.490 84 12; +40.21.490 85 84; Fax: +40.21.490 82 38
   Classic mailing address: PO Box 38-160, 023573 Bucharest, Romania.
   Fast mailing address: National Institute for Reseach and Development in Microtechologies, 32B Erou Iancu Nicolae, 077190 Bucharest, Romania.

     

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Last update: May 25, 2005