| Publication type: | Conference poster |
| Type of review: | Not specified |
| Title: | Smart RFID label printed on PET substrate with CMOS sensors |
| Authors: | Vásquez-Quintero, A. Frolet, N. Lemaire, E. Koller, M. Furrer, L. Graf, M. Küng, Roland Briand, D. de Rooij, N.F. |
| Conference details: | LOPEC, Munich, Germany, 26-28 May 2014 |
| Issue Date: | 2014 |
| Language: | English |
| Subjects: | RFID; Electronics; Printed; Harvesting |
| Subject (DDC): | 006: Special computer methods |
| Abstract: | The present work shows the fabrication of a printed RFID label using large-area printing processes, such as roto-screen and stencil printing, and the integration with advanced assembly methods of CMOS-based humidity and temperature sensors. The fabrication of the antenna and the PCB on flexible plastic substrates (i.e. polyethylene terephthalate - PET) was performed by means of roto-screen printing in combination with flash photonic sintering. This allows a high thermal transfer to the printed material, which is necessary for its sintering, while preserving the delicate polymeric substrate. Cost-effective and low temperature methods are also developed for the assembling of the components onto polymeric substrates. The electrical interconnections were stencil-printed with isotropic conductive adhesives by using laser-ablated stencil masks on polymer foils. Additionally, the label incorporates an RF remotely rechargeable thin film battery which is used for data logging. Finally, the roto-screen printing of copper oxide patterns and their reduction to copper by means of a Xenon flash photonic process is presented. |
| URI: | https://digitalcollection.zhaw.ch/handle/11475/16698 |
| Fulltext version: | Published version |
| License (according to publishing contract): | Licence according to publishing contract |
| Departement: | School of Engineering |
| Organisational Unit: | Institute for Signal Processing and Wireless Communications (ISC) |
| Appears in collections: | Publikationen School of Engineering |
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