Research Output

2011

Promoting Entrepreneurship in Organic and Large Area Electronics in Europe: Issues and Recommendations

Kettunen, J., Kaisto, I., Weisenborn, G., Kieboom, E. V. D., Rikkola, R. & Korhonen, R., 2011, Espoo: VTT Technical Research Centre of Finland. 85 p. (VTT Tiedotteita - Research Notes; No. 2579).

Research output: Book/ReportReport

Open Access

R2R printing of organic solar cells

Kopola, P., Ylikunnari, M., Välimäki, M., Maaninen, T., Maaninen, A., Tuomikoski, M., Rousu, S., Rönkä, K. & Haast, J., 2011.

Research output: Contribution to conferenceConference articleScientific

Renewal through co-creation in business networks

Hyötyläinen, R., Valkokari, K. & Kalliokoski, P., 2011, Proceedings of EBRF 2010. Seppä, M., Helander, N. & Ilmonen, I. (eds.).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access

Renewal through co-creation in business networks

Hyötyläinen, R., Valkokari, K. & Kalliokoski, P., 2011, In : Open Source Business Resource (OSBR). 2011, March, p. 29-37 9 p.

Research output: Contribution to journalArticle

Open Access
2010

Adaptive Ambient Empowerment of the Elderly (a2e2): Technical viewpoint and challenges

Merilahti, J., Similä, H., Perälä, J., Kivikunnas, S., Kyllönen, V., Kaartinen, J., Ylimaula, A., Hegerstrøm, F. & Ritterfeld, U., 2010.

Research output: Contribution to conferenceConference PosterScientific

Open Access

Biosensing with low-index waveguides: An experimental study of a polymer-based young interferometer sensor

Uusitalo, S., Känsäkoski, M., Kärkkäinen, A., Hannu-Kuure, M., Aikio, S. & Kopola, H., 2010, In : Micro and Nanosystems. 2, 2, p. 65-69 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Cooperative spectrum occupancy measurements in the 2.4 GHz ISM band

Matinmikko, M., Mustonen, M., Höyhtyä, M., Rauma, T., Sarvanko, H. & Mämmelä, A., 2010, 2010 3rd International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL 2010). p. 1-5 5702856

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

7 Citations (Scopus)

Distributed and directional spectrum occupancy measurements in the 2.4 GHz ISM band

Matinmikko, M., Mustonen, M., Höyhtyä, M., Rauma, T., Sarvanko, H. & Mämmelä, A., 2010, 2010 7th International Symposium on Wireless Communication Systems. IEEE Institute of Electrical and Electronic Engineers , p. 976-980

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

26 Citations (Scopus)

Electromagnetic design of W-band circuits in LTCC technology

Neculoiu, D., Muller, A. A., Stefanescu, A., Vähä-Heikkilä, T., Petrini, I. & Buiculescu, C., 2010, Proceedings: International Semiconductor Conference, CAS 2010. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers , p. 287-290

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

3 Citations (Scopus)

High efficient plastic solar cells fabricated with a high-throughput gravure printing method

Kopola, P., Aernouts, T., Guillerez, S., Jin, H., Tuomikoski, M., Maaninen, A. & Hast, J., 2010, In : Solar Energy Materials and Solar Cells. 94, 10, p. 1673-1680 8 p.

Research output: Contribution to journalArticleScientificpeer-review

100 Citations (Scopus)

High quality factor integrated passive devices for microwave and millimeter wave applications

Vähä-Heikkilä, T., Marttila, I. & Heikkinen, H., 2010, Proceedings of 5th ESA Workshop on Millimetre Wave Technology and Applications. Noordwijk: European Space Agency ESA, p. 247-251

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Ka-band RF MEMS phase shifters for energy starved millimetre-wave radar sensors

Malmqvist, R., Samuelsson, C., Carlegrim, B., Rantakari, P., Vähä-Heikkilä, T., Rydberg, A. & Varis, J., 2010, Proceedings of the 2010 International Semiconductor Conference, CAS 2010. Sinaia, Romania: IEEE Institute of Electrical and Electronic Engineers , p. 261-264

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

9 Citations (Scopus)

Low-temperature CMOS-compatible 3D-integration of monocrystalline-silicon based PZT RF MEMS switch actuators on rf substrates

Saharil, F., Wright, R. V., Rantakari, P., Kirby, P. B., Vähä-Heikkilä, T., Niklaus, F., Stemme, G. & Oberhammer, J., 2010, Proceedings: 23rd IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2010. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers , p. 47-50

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

10 Citations (Scopus)

MEMS-4-MMIC: Advances in combined GaAs MEMS-MMIC technology

Baggen, L., Simon, W., Malmqvist, R., Vähä-Heikkilä, T. & Smith, D., 2010, Proceedings: 14th International Symposium on Antenna Technology and Applied Electromagnetics and the American Electromagnetics Conference, ANTEM/AMEREM 2010. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers , 4 p. 5552490

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

MEMS-4-MMIC: Merging RF-MEMS switches & MMIC

Baggen, R., Malmqvist, R., Smith, D., Vähä-Heikkilä, T. & Simon, W., 2010, Proceedings of the 5th ESA Workshop on Millimetre Wave Technology and Applications and 31st ESA Antenna Workshop - ESTEC. Noordwijk: European Space Agency ESA, p. 321-327

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Practical application of a parallel research-business innovation process to accelerate the deployment of research results

Koppinen, S., Lammasniemi, J. & Kalliokoski, P., 2010, In : R&D Management. 40, 1, p. 101-106 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

RF MEMS and MMIC based Reconfigurable Matching Networks for Adaptive Multi-Band RF Front-Ends

Malmqvist, R., Samuelsson, C., Rantakari, P., Vähä-Heikkilä, T., Smith, D., Varis, J. & Baggen, R., 2010, Proceedings of the IEEE International Microwave Workshop Series on RF Front-Ends for Software Defined and Cognitive Radio Solutions, IMWS 2010. IEEE Institute of Electrical and Electronic Engineers , 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

16 Citations (Scopus)

Spectroscopic measurement of air temperature

Hieta, T. & Merimaa, M., 2010, In : International Journal of Thermophysics. 31, 8-9, p. 1710-1718 9 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Switched LNAs using GaAs MMIC based RF MEMS switches

Malmqvist, R., Samuelsson, C., Smith, D., Vähä-Heikkilä, T. & Baggen, R., 2010, Proceedings: International Semiconductor Conference, CAS 2010. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers , p. 283-286

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Theory and applications of millimeter wave identification

Pursula, P., Viikari, V. & Vähä-Heikkilä, T., 2010, Proceedings of International Semiconductor Conference, CAS 2010. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers , p. 53-56

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
1 Citation (Scopus)

Thickness dependence and solution-degradation effect in poly(3-hexylthiophene):phenyl-C61-butyric acid methyl ester based solar cells

Jin, H., Olkkonen, J., Tuomikoski, M., Kopola, P., Maaninen, A. & Hast, J., 2010, In : Solar Energy Materials and Solar Cells. 94, 3, p. 465-470 6 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Transcript and gene analyses by gel electrophoresis on microchips

Amundsen, L., Del Bueno, N., Rautio, J., Pakanen, M., Iljin, K., Nees, M., Ketola, K., Hakalahti, L., Liebert, R., Uusitalo, S., Kurkinen, M., Hokkanen, A., Stuns, I., Mathies, R. A., Nevanen, T., Söderlund, H. & Siitari, H., 2010, p. 18-19.

Research output: Contribution to conferenceConference articleScientific

2009

A 20 GHz Antenna Integrated RF MEMS Based Router and Switching Networks Made on Quartz

Malmqvist, R., Cheng, S., Rantakari, P., Samuelsson, C., Carlegrim, B., Vähä-Heikkilä, T., Sagberg, H., Holter, B., Hanke, U., Rydberg, A. & Varis, J., 2009, Smart Systems Integrations, 10 – 11 March 2009, Brussels, Belgium. Brussels

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access

Application of fuzzy logic to cognitive radio systems

Matinmikko, M., Rauma, T., Mustonen, M., Harjula, I., Sarvanko, H. & Mämmelä, A., 2009, In : IEICE Transactions on Communications. E92.B, 12, p. 3572-3580 9 p.

Research output: Contribution to journalArticle

Open Access
40 Citations (Scopus)

BST Varactors for Tunable RF Circuits

Saijets, J., Vähä-Heikkilä, T., Riekkinen, T. & Mattila, T., 2009, Proceedigns of the 10th International Symposium on RF MEMS and RF Microsystems, MEMSWAVE 2009. p. 19-22

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Comparison of DMTL Phase Shifter Designs

Saijets, J., Rantakari, P., Tuohiniemi, M. & Vähä-Heikkilä, T., 2009, Proceedigns of the 10th International Symposium on RF MEMS and RF Microsystems, MEMSWAVE 2009. p. 37-40

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Effect of molecular aggregation by thermal treatment on photovoltaic properties of MEH-PPV: Fullerene-based solar cells

Jin, H., Hou, Y., Teng, F., Kopola, P., Tuomikoski, M. & Maaninen, A., 2009, In : Solar Energy Materials and Solar Cells. 93, 2, p. 289-294 6 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Fiber-based acetylene-stabilized laser

Ahtee, V., Merimaa, M. & Nyholm, K., 2009, In : IEEE Transactions on Instrumentation and Measurement. 58, 4, p. 1211-1216 6 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Gravure printed organic light emitting diodes for lighting applications

Kopola, P., Tuomikoski, M., Suhonen, R. & Maaninen, A., 2009, In : Thin Solid Films. 517, 19, p. 5757-5762 6 p.

Research output: Contribution to journalArticleScientificpeer-review

85 Citations (Scopus)

High quality factor integrated passive devices for microwave and millimeter wave applications

Vähä-Heikkilä, T., 2009, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2009. International Society for Optics and Photonics SPIE, 6 p. 72910E . (Proceedings of SPIE; No. 7291).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Large area printed sensors: System and manufacturing integration

Kemppainen, A., Kopola, H., Maaninen, A., Tukkiniemi, K., Sumén, J., Hast, J., Koskinen, J. & Laakso, P., 2009, Plastic Electronics Europe 2009.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsProfessional

Large area printed smart systems: From components to systems

Kemppainen, A., Kopola, H., Korhonen, R., Alastalo, A., Maaninen, A., Tuomikoski, M., Hast, J. & Laakso, P., 2009.

Research output: Contribution to conferenceConference articleScientific

MEMS-4-MMIC: Innovative RF-MEMS MMIC components for agile RF-frontends

Baggen, R., Malmqvist, R., Frijlink, P., Vähä-Heikkilä, T. & Gustafsson, A., 2009, Proceedings of the International Conference on Electromagnetics in Advanced Applications, ICEAA 2009. Piscataway, NJ: IEEE Institute of Electrical and Electronic Engineers , p. 311-314

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Micro roll-to-roll patterning process and its application on flexible display

Lo, C-Y., Hiitola-Keinänen, J., Huttunen, O-H., Petäjä, J., Hast, J., Maaninen, A. & Kopola, H., 2009, In : Japanese Journal of Applied Physics. 48, 6 Part 2

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)

Millimeter wave Identification - MMID: From applications to components: Invited plenary presentation

Vähä-Heikkilä, T., 2009.

Research output: Contribution to conferenceOther conference contributionScientificpeer-review

Millimeter wave microsystems applications

Vähä-Heikkilä, T., 2009. 13 p.

Research output: Contribution to conferenceOther conference contributionScientificpeer-review

Open Access

Novel roll-to-roll lift-off patterned active-matrix display on flexible polymer substrate

Lo, C-Y., Hiitola-Keinänen, J., Huttunen, O-H., Petäjä, J., Hast, J., Maaninen, A., Kopola, H., Fujita, H. & Toshiyoshi, H., 2009, In : Microelectronic Engineering. 86, 4-6, p. 979-983 5 p.

Research output: Contribution to journalArticleScientificpeer-review

32 Citations (Scopus)

Precision spectroscopy of acetylene transitions using an optical frequency synthesizer

Ahtee, V., Merimaa, M. & Nyholm, K., 2009, In : Optics Letters. 34, 17, p. 2619-2621 3 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Public Transportation

Huomo, T., 2009, Touch the Future with a Smart Touch. Tuikka, T. & Isomursu, M. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 183-198 (VTT Tiedotteita - Meddelanden - Research Notes; No. 2492).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access

Reconfigurable RF MEMS tuning networks from handset to millimeter wave applications (Invited)

Vähä-Heikkilä, T., 2009.

Research output: Contribution to conferenceConference articleScientificpeer-review

RF MEMS Based Impedance Matching Networks for Tunable Multi-Band Microwave Low Noise Amplifiers

Malmqvist, R., Rantakari, P., Samuelsson, C., Lahti, M., Cheng, S., Saijets, J., Vähä-Heikkilä, T., Rydberg, A. & Varis, J., 2009, Proceedings of the International Semiconductor Conference, 2009 - CAS 2009. IEEE Institute of Electrical and Electronic Engineers , p. 303-306

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
12 Citations (Scopus)

RF MEMS Circuit Design and Modeling

Vähä-Heikkilä, T., 2009.

Research output: Contribution to conferenceConference articleScientific

RF MEMS-MMIC building blocks for emerging wireless systems and RF-sensing applications

Malmqvist, R., Samuelsson, C., Rantakari, P., Frijlink, P., Smith, D., Simon, W., Saijets, J., Vähä-Heikkilä, T. & Baggen, R., 2009, Proceedings: European Microwave Integrated Circuits Conference, EuMIC 2009. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers , p. 363-366

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

3 Citations (Scopus)

RF-PLATFORM Solutions from Technologies

Vähä-Heikkilä, T., 2009, Proceedings of the RF-MST Cluster Workshop at MEMSWAVE 2009 10th International Symposium on RF MEMS and RF Microsystems. Trento

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Single-frequency synthesis at telecommunication wavelengths

Ahtee, V., Merimaa, M. & Nyholm, K., 16 Mar 2009, In : Optics Express. 17, 6, p. 4890-4896 7 p.

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)

System Analysis of a Ka-band Multi-Functional Radar Sensor based on RF MEMS Phase Shifters

Malmqvist, R., Saijets, J., Rantakari, P., Boman, T., Samuelsson, C., Gustafsson, A., Vähä-Heikkilä, T. & Varis, J., 2009, Proceedings of the 10th International Symposium on RF MEMS and RF Microsystems, MEMSWAVE 2009. Trento, p. 147-150

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Towards large area roll-to-roll manufactured MEMS display

Hast, J., Huttunen, O-H., Hiitola-Keinänen, J., Petäjä, J., Maaninen, A., Kopola, H., Lo, C., Toshiyoshi, H. & Fujita, H., 2009.

Research output: Contribution to conferenceConference articleScientific

2008

Absolute frequency measurement of an iodine-stabilized 543-nm He-Ne laser with modulation-synchronized phase-locked loop for improved frequency counting

Merimaa, M., Ahtee, V. & Nyholm, K., 23 Sep 2008, 2008 Conference on Precision Electromagnetic Measurements Digest, CPEM 2008. p. 312-313 2 p. 4574778

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Active matrix flexible display array fabricated by MEMS printing techniques

Lo, C-Y., Huttunen, O-H., Hiitola-Keinänen, J., Petäjä, J., Hast, J., Maaninen, A., Kopola, H., Fujita, H. & Toshiyoshi, H., 2008, Proceedings of the 15th International Display Workshop. p. 1353-1356

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Ceramic systems in package for RF and microwave

Bartnitzek, T., Schönlinner, B., Gautier, W., Cheng, S., Rydberg, A., Purtova, T., Qu, G., Feger, T., Janes, J., Vähä-Heikkilä, T. & Afshin, Z., 2008.

Research output: Contribution to conferenceConference articleScientificpeer-review