Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Kimmo Keränen"'
Publikováno v:
International Journal of Electronics and Telecommunications, Vol vol. 66, Iss No 2, Pp 361-367 (2020)
VTT Technical Research Centre of Finland Ltd. has developed and utilized Low Temperature Co-fired Ceramic (LTCC) technology for about 25 years. This paper presents our activities related to photonics and millimetre-waves, including also a relevant li
Externí odkaz:
https://doaj.org/article/fbc97ea49b084b639f33899645bddfcc
Publikováno v:
Hannila, E, Heinilehto, N, Remes, K, Lauri, J, Keranen, K & Fabritius, T 2021, ' Hybrid Thermal Modeling to Predict LED Thermal Behavior in Hybrid Electronics ', IEEE Transactions on Instrumentation and Measurement, vol. 70, 9286559 . https://doi.org/10.1109/TIM.2020.3043112
Hybrid structural electronics (HSE) consists of printed electronics, conventional rigid electronics, and load-bearing supporting parts of a device (plastic, glass etc.). Extra-large area and flexible lighting elements with embedded light-emitting dio
Publikováno v:
I2MTC
Hannila, E, Heinilehto, N, Lauri, J, Keränen, K & Fabritius, T 2020, Measuring and modelling the thermal behavior of LEDs in structural electronics . in 2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) . IEEE Institute of Electrical and Electronic Engineers, Piscataway, IEEE International Instrumentation and Measurement Technology Conference, 2020 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2020, Dubrovnik, Croatia, 25/05/20 . https://doi.org/10.1109/I2MTC43012.2020.9128941
Hannila, E, Heinilehto, N, Lauri, J, Keränen, K & Fabritius, T 2020, Measuring and modelling the thermal behavior of LEDs in structural electronics . in 2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) . IEEE Institute of Electrical and Electronic Engineers, Piscataway, IEEE International Instrumentation and Measurement Technology Conference, 2020 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2020, Dubrovnik, Croatia, 25/05/20 . https://doi.org/10.1109/I2MTC43012.2020.9128941
Structural electronics consists of printed electronics and silicon-based rigid electronics and load-bearing supporting parts of a device (plastic, glass etc.). One interesting example of structural electronics is large area elements in which light em
Publikováno v:
Hannila, E, Remes, K, Kurkela, T, Happonen, T, Keranen, K & Fabritius, T 2020, ' The Effect of Torsional Bending on Reliability and Lifetime of Printed Silver Conductors ', IEEE Transactions on Electron Devices, vol. 67, no. 6, 9089357, pp. 2522-2528 . https://doi.org/10.1109/TED.2020.2990125
Capability of high-speed and low-cost manufacturing makes the printing techniques a very promising approach for large-area flexible electronics mass manufacturing. Due to fast and intensive technology development, the lack of knowledge about the reli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49c8473b10d54af03abc25171f9d8ac0
http://urn.fi/urn:nbn:fi-fe2020062645936
http://urn.fi/urn:nbn:fi-fe2020062645936
Autor:
Jouni Kangas, Mikko Paakkolanvaara, Pentti Korhonen, Tuomas Happonen, Kari Rönkä, Kimmo Keränen
Publikováno v:
Keranen, K, Korhonen, P, Happonen, T, Paakkolanvaara, M, Kangas, J & Ronka, K 2018, High throughput R2R printing, testing and assembly processing of flexible RGB LED displays . in 2018 7th Electronic System-Integration Technology Conference (ESTC) ., 8546465, IEEE Institute of Electrical and Electronic Engineers, pp. 1-5, 7th Electronic System-Integration Technology Conference, ESTC 2018, Dresden, Saxony, Germany, 18/09/18 . https://doi.org/10.1109/ESTC.2018.8546465
This paper introduces high throughput processing of hybrid flexible RGB LED displays. Processing consists of conductive tracks printing on PET substrate, verification of printed substrate quality by specific characterization equipment and assembly of
Autor:
Pekka Makkonen, Kimmo Keränen, Jari Rekilä, Kari Rönkä, Tuomas Happonen, Pentti Korhonen, Olli Tapaninen
Publikováno v:
Keränen, K, Korhonen, P, Rekilä, J, Tapaninen, O, Happonen, T, Makkonen, P & Rönkä, K 2015, ' Roll-to-roll printed and assembled large area LED lighting element ', The International Journal of Advanced Manufacturing Technology, vol. 81, no. 1-4, pp. 529-536 . https://doi.org/10.1007/s00170-015-7244-6
Novel continuous and mass customizable light-emitting diode (LED) lighting foil system, capable to produce adequate lighting levels for general lighting, was designed, processed, and characterized. Lighting element substrate was processed by roll-to-
Autor:
Kimmo Keränen, Arttu Huttunen, Pekka Makkonen, Jyrki Ollila, Marko Korkalainen, Esa-Matti Sarjanoja, Samuli Yrjänä
Publikováno v:
Keränen, K, Ollila, J, Sarjanoja, E-M, Yrjänä, S, Huttunen, A, Korkalainen, M & Makkonen, P 2016, Large area flexible lighting element controlled by mobile phone user interface . in Electronic System-Integration Technology Conference (ESTC), 2016 6th . IEEE Institute of Electrical and Electronic Engineers, pp. 1-5, 6th Electronic System-Integration Technology Conference, ESTC 2016, Grenoble, France, 13/09/16 . https://doi.org/10.1109/ESTC.2016.7764709
Roll-to-roll compatible processes are opening up the new opportunity for high throughput and cost-efficient manufacturing of electronics and other required functionalities. Extending the continuous roll-to-roll manufacturing approach as far as possib
Autor:
Rolando Ferrini, Oscar Fernandez, Leire Barruetabeña, Stephan Junger, Thierry Dreyfus, Adrian von Mühlenen, Kimmo Keränen
Publikováno v:
Light, Energy and the Environment.
This communication will present the main results of the European project LASSIE-FP7, whose objective is to implement large-area intelligent SSL modules with high efficiency and high lighting quality, while assessing their environmental footprint.
Autor:
Mikko Karppinen, J. Raittila, Ismo Kauppinen, L. Pierno, H. Saloniemi, Tom Kuusela, Jyrki Ollila, Pentti Karioja, B. A. Matveev, A. Helle, Kimmo Keränen
Publikováno v:
Keränen, K, Ollila, J, Saloniemi, H, Matveev, B, Raittila, J, Helle, A, Kauppinen, I, Kuusela, T, Pierno, L, Karioja, P & Karppinen, M 2012, ' Portable methane sensor Demonstrator based on LTCC differential photo acoustic cell and silicon cantilever ', Procedia Engineering, vol. 47, pp. 1438-1441 . https://doi.org/10.1016/j.proeng.2012.09.428
A novel portable methane sensor demonstrator based on Low Temperature Co-fired Ceramic (LTCC) differential Photo Acoustic (PA) cell, silicon cantilever and spatial interferometer was demonstrated. Silicon Micro-Electro-Mechanical-System (MEMS) cantil
Autor:
Jyrki Ollila, Veli Heikkinen, Kari Kautio, Pentti Korhonen, Pentti Karioja, Jukka-Tapani Mäkinen, Kimmo Keränen
Publikováno v:
Keränen, K, Ollila, J, Mäkinen, J-T, Korhonen, P, Kautio, K, Heikkinen, V & Karioja, P 2009, ' Hermetic fiber pigtailed laser module utilizing passive device alignment on an LTCC substrate ', IEEE Transactions on Advanced Packaging, vol. 32, no. 1, pp. 223-227 . https://doi.org/10.1109/TADVP.2008.2007130
A hermetic fiber pigtailed laser module utilizing passive device alignment on a low-temperature cofired ceramics (LTCC) substrate is demonstrated. The 3-D shape of the laminated and cofired ceramic substrate provides the necessary alignment structure