sOc-EUSAI'2005 conference

Special session - RFID technology
S1-1 Introduction to the special session on "RFID Technology"
Dansou, Joel
As formated for the printed proceedings - - 1002.pdf - pages 7-8
As delivered by the authors - 1002_pdf_file.pdf

S1-2 Technical State of Art of "Radio Frequency Identification - RFID" and implications regarding standardization, regulations, human exposure, privacy
Paret, Dominique
As formated for the printed proceedings - - 90.pdf - pages 9-12
As delivered by the authors - 90_pdf_file.pdf
Abstract :
Starting from near and far electromagnetic field theory, the conference introduces the main principles used in Radio Frequency Identification - RFID i.e. inductive coupling or propagation using backscattering principle (batteryless / battery assisted) from LF 125 kHz up to SHF 5,8 GHz.
We will continue by introducing the main problems for reception of the small signals coming back from tag load modulations and demodulation mechanics and possible simulations. We will introduce also some new technological points such as Very High Baud Rate possibilities and relations between wafer processing / mounting and global tag cost.
We will conclude describing important inter relations between technical ideas, technologies, standardizations, regulations, human exposure, privacy, etc.

S1-3 New technologies for Contactless Microsystems
Vacherand, François
As formated for the printed proceedings - - 88.pdf - pages 13-18
As delivered by the authors - 88_pdf_file.pdf
Abstract :
This paper presents some new emerging technological avenues for contactless chips in order to tackle emerging and demanding future specifications. Basically RFID chips will evolve towards new embedded functions such as power, sensing and security.
Today, R&D works on future contactless Microsystems can be clustered into four main directions :
- silicon technologies for low power and non volatile memories
- contactless air interfaces
- embedded micro power sources
- embedded micro-sensors

S1-4 Antennas for RFID tags
Tedjini, Smail - Vuong, Tan-Phu - Beroulle, Vincent
As formated for the printed proceedings - - 87.pdf - pages 19-22
As delivered by the authors - 87_pdf_file.pdf
Abstract :
This communication covers the design and optimization of antennas for RFID tags at UHF and microwave frequencies. Such design will focus on the specific characteristics of RFID applications such as back-scattering mode, variability of substrates and low cost constraints. The introduction includes a short history of RFID development. The second part will address the main characteristics of RFID antennas. The third part introduces the material characterization. Current developments of RFID antennas that meet the objectives of low-cost and size reduction are presented in part four. Design of antennas on plastic substrate using conductive inks will be shown as an example of low-cost approach. Advanced design techniques for size reduction, such as fractal techniques will be introduced and some design examples will be discussed. The fifth part concerns antenna modeling from the system point of view and examples of system simulation of an RFID communication will be shown.

S1-5 Chip versus chipless for RFID applications
Das, Raghu
As formated for the printed proceedings - - 84.pdf - pages 23-26
As delivered by the authors - 84_pdf_file.pdf
Abstract :
The RFID market is expected to reach $7.26Bn in 2008. Raghu Das will provide detailed market forecasts by RFID technology to 2015 with an analysis of the various technologies being implemented today. He will introduce the nine types of chipless RFID technologies. Chipless RFID has the biggest market potential - ultimately replacing every barcode and much more, the ultimate demand being some 10 trillion tags a year. They are usually ultra low cost ranging from 0.1 to 10 cents each, even in modest quantities, but often with limited performance. However, this is something that is constantly changing. On the basis of case histories and company profiles of the many trials and sales successes of chipless RFID, Raghu Das will provide an unbiased assessment of who will be the winners and losers in the shakeout and what the future will bring.

S1-6 Printing Processes and their Potential for RFID Printing
Blayo, Anne - Pineaux, Bernard
As formated for the printed proceedings - - 89.pdf - pages 27-30
As delivered by the authors - 89_pdf_file.pdf
Abstract :
This paper explains the basics of a number of printing processes (offset lithography, gravure, flexography, ink jet, electrophotography and screen printing). Characteristics such as the process principles, the type of inks and substrates used, the resolution, but also the limitations of these processes (in terms of regularity, for instance) are tackled. Then, their potential for RFID printing is addressed.