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Skerved, Vincent
Publications (3 of 3) Show all publications
Andersson, H., Sidén, J., Skerved, V., Li, X. & Gyllner, L. (2016). Soldering Surface Mount Components onto Inkjet Printed Conductors on Paper Substrate using Industrial Processes. IEEE Transactions on Components, Packaging, and Manufacturing Technology, 6(3), 478-485, Article ID 7422029.
Open this publication in new window or tab >>Soldering Surface Mount Components onto Inkjet Printed Conductors on Paper Substrate using Industrial Processes
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2016 (English)In: IEEE Transactions on Components, Packaging, and Manufacturing Technology, ISSN 2156-3950, E-ISSN 2156-3985, Vol. 6, no 3, p. 478-485, article id 7422029Article in journal (Refereed) Published
Abstract [en]

This paper describes mounting of standard surface mount component packages on a paper substrate using an industrial solder process with a low-temperature solder. The use of paper as a substrate for printed flexible electronics is becoming more and more widespread as an alternative to the more commonly used plastic substrates, such as polyethylene and polyimide. Paper has the benefits of being environmentally friendly, recyclable, and renewable, as well as inexpensive. It is shown that it is possible to mount standard surface mount device components on paper substrates using low-temperature solder in an industrial soldering process. The contact resistances obtained are mostly low, although the yield of functioning contacts is low. The reason is cracking of the substrate coating layer that goes through the printed silver tracks. It was observed that the cracks appear mostly close to the contact pads, the most likely cause is thermal mismatch between the coating layer and solder and also thermal expansion of the photo paper resin coating. The smallest component package size, 0201, resulted in the highest yield of >80% with decreasing yield for larger package sizes.

Keywords
Electronic components, printing, soldering, surface-mount technology
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:miun:diva-26841 (URN)10.1109/TCPMT.2016.2522474 (DOI)000372787300017 ()2-s2.0-84960154273 (Scopus ID)STC (Local ID)STC (Archive number)STC (OAI)
Projects
IDPOS
Funder
Knowledge Foundation, 20130324
Available from: 2016-01-07 Created: 2016-01-07 Last updated: 2018-10-12Bibliographically approved
Sidén, J., Skerved, V. & Andersson, H. (2015). Sensing and Actuating with NFC. In: : . Paper presented at IEEE International Conference on RFID,San Diego, April 15-17, 2015.
Open this publication in new window or tab >>Sensing and Actuating with NFC
2015 (English)Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

Near Field Communication (NFC) is currently being widely launched as a new wireless feature in cell phones, allowing NFC equipped phones to act as 13.56 MHz RFID readers or as tags as well as to utilize NFC for short range inter-phone communication. While many applications based on the most basic NFC cell phone technology have started to appear, this work addresses the possibility to not only retrieve static data such as ID numbers and web addresses from NFC tags but also sensor data. The work shows how commercially available NFC chips can be used for communicating sensor data to a smart phone, either directly through existing analogue input ports or by powering and communicating with an additional microcontroller. The work also shows how an NFC tag can operate as an actuator rather than a sensor, which is exemplified by the construction of a bi-stable switch capable of switching 250 Volt / 2 Ampere. Power transfer capability via the NFC interface is characterized with coils designed for different resonant frequencies as is inkjet printed coils on paper substrate where components are soldered with a low temperature solder compound.

National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:miun:diva-26838 (URN)STC (Local ID)STC (Archive number)STC (OAI)
Conference
IEEE International Conference on RFID,San Diego, April 15-17, 2015
Projects
MOBISENSE
Available from: 2016-01-07 Created: 2016-01-07 Last updated: 2016-12-23Bibliographically approved
Sidén, J., Skerved, V., Forsström, S., Gao, J., Nilsson, H.-E., Kanter, T. & Gulliksson, M. (2011). Home Care with NFC Sensors and a Smart Phone. In: ACM International Conference Proceeding Series: . Paper presented at 4th International Symposium on Applied Sciences in Biomedical and Communication Technologies, ISABEL'11;Barcelona;26 October 2011through29 October 2011;Code88372. ACM Press
Open this publication in new window or tab >>Home Care with NFC Sensors and a Smart Phone
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2011 (English)In: ACM International Conference Proceeding Series, ACM Press, 2011Conference paper, Published paper (Refereed)
Abstract [en]

The world's aging population and limited hospital resources together with advancements in information technology provides a thorough basis for further development of tele-healthcare and assisted living. For ordinary people, and especially elderly people, to be diagnosed and treated in their homes there is a definite need for technical equipment that is extremely easy to handle. One way to facilitate tele-healthcare is to take advantage of modern cell phone technology and the infrastructure surrounding these units. Many elderly people are today comfortable with using cell phones and even advanced smart phones can be purchased to a cost that is low compared to corresponding specialized medical equipment. The concept presented in this work is based upon Near Field Communication (NFC), a wireless feature that is currently being widely launched in cell phones. Amongst other capabilities, NFC technology allows a phone to act as a 13.56 MHz RFID reader. This work shows how NFC-equipped phones can be used to read passive NFC tags that in turn are equipped with general resistive sensors and how sensor data are read and communicated to a web server without the need to push a single button. © 2011 ACM.

Place, publisher, year, edition, pages
ACM Press, 2011
Keywords
NFC, Smart phones, Mobile services, RFID, Tele-Healthcare, Assisted Living, ISO 15693, Wireless sensors
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:miun:diva-15449 (URN)10.1145/2093698.2093848 (DOI)2-s2.0-84856748708 (Scopus ID)STC (Local ID)978-145030913-4 (ISBN)STC (Archive number)STC (OAI)
Conference
4th International Symposium on Applied Sciences in Biomedical and Communication Technologies, ISABEL'11;Barcelona;26 October 2011through29 October 2011;Code88372
Note

Invited paper

Available from: 2011-12-19 Created: 2011-12-19 Last updated: 2017-08-30Bibliographically approved
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