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Research Output 2012 2019

  • 13 Article
  • 7 Conference article in proceedings
  • 1 Conference abstract in proceedings
  • 1 Conference article
2019

All-optical difference engine for in-process defect inspection for roll-to-roll printed electronics

Feng, X., Su, R., Happonen, T., Liu, J. & Leach, R., 7 Mar 2019, Tenth International Symposium on Precision Engineering Measurements and Instrumentation. Tan, J. & Lin, J. (eds.). International Society for Optics and Photonics SPIE, p. 1105308-1-1105308-8 8 p. 1105308. (Proceedings of SPIE, Vol. 11053).

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

Defect Inspection
engines
inspection
Engine
Electronic equipment

Porous Enzymatic Membrane for Nanotextured Glucose Sweat Sensors with High Stability toward Reliable Noninvasive Health Monitoring

Lin, Y., Bariya, M., Nyein, H. Y. Y., Kivimäki, L., Uusitalo, S., Jansson, E., Ji, W., Yuan, Z., Happonen, T., Liedert, C., Hiltunen, J., Fan, Z. & Javey, A., 15 Aug 2019, In : Advanced Functional Materials. 29, 33, 1902521.

Research output: Contribution to journalArticleScientificpeer-review

sweat
Glucose sensors
glucose
health
Health

Quality assurance for rotary screen printed wiring backplanes with automated roll-to-roll electrical test equipment

Happonen, T., Kokko, T., Juntunen, E. & Rönkä, K., Apr 2019, In : Flexible and Printed Electronics. 4, 2, 025002.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Electric wiring
Quality assurance
Nails
Testing
Electronic equipment

Regional and correlative sweat analysis using high-throughput microfluidic sensing patches toward decoding sweat

Nyein, H. Y. Y., Bariya, M., Kivimäki, L., Uusitalo, S., Liaw, T. S., Jansson, E., Ahn, C. H., Hangasky, J. A., Zhao, J., Lin, Y., Happonen, T., Chao, M., Liedert, C., Zhao, Y., Tai, L. C., Hiltunen, J. & Javey, A., 16 Aug 2019, In : Science advances. 5, 8, 13 p., eaaw9906.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
sweat
decoding
physical exercise
glucose
body fluids
2018

Adopting Hybrid Integrated Flexible Electronics in Products: Case Personal Activity Meter

Kololuoma, T., Keränen, M., Kurkela, T., Happonen, T., Korkalainen, M., Kehusmaa, M., Gomes, L., Branco, A., Ihme, S., Pinhero, C., Kaisto, I., Colley, A. & Rönkä, K., 20 Dec 2018, 2018 International Flexible Electronics Technology Conference, IFETC 2018. Institute of Electrical and Electronic Engineers IEEE, 6 p. 8583901

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

Flexible electronics
Injection molding
Scalability
Printing
Lasers
4 Citations (Scopus)

Fast and cost-effective in-process defect inspection for printed electronics based on coherent optical processing

Feng, X., Su, R., Happonen, T., Liu, J. & Leach, R., 28 May 2018, In : Optics Express. 26, 11, p. 13927-13936 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
inspection
costs
sensors
defects
engines
1 Citation (Scopus)

High throughput R2R printing, testing and assembly processing of flexible RGB LED displays

Keranen, K., Korhonen, P., Happonen, T., Paakkolanvaara, M., Kangas, J. & Ronka, K., 29 Nov 2018, 2018 7th Electronic System-Integration Technology Conference (ESTC). Institute of Electrical and Electronic Engineers IEEE, p. 1-5 8546465

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

Light emitting diodes
Printing
Display devices
Throughput
Flexible displays

Roll-to-roll functional testing of printed conductors and organic light emitting devices

Happonen, T., Tuomikoski, M., Kokko, T. & Rönkä, K., 29 Nov 2018, 2018 7th Electronic System-Integration Technology Conference (ESTC). Institute of Electrical and Electronic Engineers IEEE, p. 1-5 5 p. 8546333

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

Printing
Electronic equipment
Testing
Polyethylene terephthalates
Nails

Verification of roll-to-roll printing quality for printed wiring backplanes with automated roll-to-roll electrical test equipment

Happonen, T., Kokko, T., Juntunen, E. & Rönkä, K., 2018, LOPEC Conference Proceedings.

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

Electric wiring
Printing
Nails
Light emitting diodes
Testing
2017

Reliability of electrically conductive adhesive interconnections in printed flex-to-flex system integration

Happonen, T., Tuomikoski, M. & Rönkä, K., 2017.

Research output: Contribution to conferenceConference articleScientific

Adhesives
Organic light emitting diodes (OLED)
Curing
Flexible electronics
Bending tests
2016
8 Citations (Scopus)

Bending reliability of printed conductors deposited on plastic foil with various silver pastes

Happonen, T., Ritvonen, T., Korhonen, P., Häkkinen, J. & Fabritius, T., 1 Feb 2016, In : The International Journal of Advanced Manufacturing Technology. 82, 9-12, p. 1663-1673 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Adhesive pastes
Metal foil
Silver
Plastics
Printing
5 Citations (Scopus)

Modeling the lifetime of printed silver conductors in cyclic bending with the Coffin-Manson relation

Happonen, T., Ritvonen, T., Korhonen, P., Häkkinen, J. & Fabritius, T. E. J., 2016, In : IEEE Transactions on Device and Materials Reliability. 16, 1, p. 25-29

Research output: Contribution to journalArticleScientificpeer-review

Silver
Plastic films
Reliability analysis
Geometry
Substrates
2 Citations (Scopus)

Processing and reliability of bare die LED chip bonding on flexible plastic substrate

Huttunen, A., Happonen, T. & Välimäki, M., 5 Dec 2016, Electronic System-Integration Technology Conference (ESTC), 2016 6th . Institute of Electrical and Electronic Engineers IEEE, p. 1-5

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

Light emitting diodes
Plastics
Electronic equipment
Substrates
Processing
2 Citations (Scopus)

Screen-Printed Remotely Readable Environmental Sensor Pair

Voutilainen, J. V., Happonen, T., Häkkinen, J. & Fabritius, T., 15 May 2016, In : IEEE Sensors Journal. 16, 10, p. 3523-3531 9 p., 7416139.

Research output: Contribution to journalArticleScientificpeer-review

humidity
Atmospheric humidity
sensors
Sensors
Temperature
1 Citation (Scopus)

The Effect of Width and Thickness on Cyclic Bending Reliability of Screen-Printed Silver Traces on a Plastic Substrate

Happonen, T., Voutilainen, J. V., Häkkinen, J. & Fabritius, T., 1 May 2016, In : IEEE Transactions on Components, Packaging and Manufacturing Technology. 6, 5, p. 722-728 7 p., 7451205.

Research output: Contribution to journalArticleScientificpeer-review

Silver
Plastics
Substrates
Polyethylene Terephthalates
Geometry
2015
10 Citations (Scopus)

All silk-screen printed polymer-based remotely readable temperature sensor

Voutilainen, J. V., Happonen, T., Hakkinen, J. & Fabritius, T., Feb 2015, In : IEEE Sensors Journal. 15, 2, p. 723-733 11 p., 6881652.

Research output: Contribution to journalArticleScientificpeer-review

silk
temperature sensors
Silk
Temperature sensors
sensors
6 Citations (Scopus)

Cyclic Bending Reliability of Silk Screen Printed Silver Traces on Plastic and Paper Substrates

Happonen, T., Hakkinen, J. & Fabritius, T., 1 Sep 2015, In : IEEE Transactions on Device and Materials Reliability. 15, 3, p. 394-401 8 p., 715902.

Research output: Contribution to journalArticleScientificpeer-review

Silk
Silver
Plastics
Substrates
Polyethylene Terephthalates
21 Citations (Scopus)

Roll-to-roll printed and assembled large area LED lighting element

Keränen, K., Korhonen, P., Rekilä, J., Tapaninen, O., Happonen, T., Makkonen, P. & Rönkä, K., 2015, In : The International Journal of Advanced Manufacturing Technology. 81, 1-4, p. 529-536

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Light emitting diodes
Lighting
Metal foil
Ink
Adhesives
2014

Printed temperature and moisture sensors

Voutilainen, J. V., Happonen, T., Häkkinen, J. & Fabritius, T., 1 Jan 2014, IMAPS Nordic Annual Conference 2014. Kutilainen, J. (ed.). IMAPS Nordic, p. 109-110

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

Moisture
Sensors
Humidity sensors
Temperature
Monitoring
8 Citations (Scopus)

Reliability study on adhesive interconnections in flex-to-flex printed electronics applications under environmental stresses

Happonen, T., Voutilainen, J. V. & Fabritius, T., 1 Dec 2014, In : IEEE Transactions on Device and Materials Reliability. 14, 4, p. 1005-1012 8 p., 6899652.

Research output: Contribution to journalArticleScientificpeer-review

Adhesives
Electronic equipment
Bending tests
Thermal cycling
Silver
2013
2 Citations (Scopus)

Modeling the behavior of printed passive components on flexible substrate under environmental loadings

Happonen, T., Voutilainen, J. V. & Häkkinen, J., 1 Apr 2013, In : Nanoscience and Nanotechnology Letters. 5, 4, p. 505-509 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Atmospheric humidity
Capacitors
Substrates
Temperature
Inductance
2012
2 Citations (Scopus)

Reliability of silkscreen printed planar capacitors and inductors under accelerated thermal cycling and humidity bias life testing

Voutilainen, J. V., Happonen, T. & Häkkinen, J., 1 Jan 2012, 2012 4th Electronic System-Integration Technology Conference, ESTC 2012. Institute of Electrical and Electronic Engineers IEEE, 6542201

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

Thermal cycling
Atmospheric humidity
Capacitors
Testing
Encapsulation