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Series in Microelectronics

edited by       Wolfgang Fichtner
                        Qiuting Huang
                        Heinz Jäckel
                        Hans Melchior
                        George S. Moschytz
                        Gerhard Tröster

Vol. 165



Ivo Locher


Technologies for

2006; VI, 150 pages. € 64,00.
ISBN 3-86628-061-0

Wearable computing demands an unobtrusive integration of electronics into clothing in order to achieve user acceptance. Our approaches for such an integration focus on a woven polyester fabric with embedded thin copper wires as substrate for the electronics. An interconnect technology is presented to establish arbitrary wiring structures among these wires. Our component assembly method utilizes an innovative interposer design such that arbitrary electronic components can easily be mounted onto the fabric.

Secondly, textile Bluetooth antennas are presented for the use in 'wireless personal area networks'. They are purely textile using a felt and a spacer fabric as dielectric and conductively plated fabrics for the antenna patch and ground plane. The Bluetooth antennas satisfy specifications even when bent.

Eventually, we show how the woven fabric can be used as textile temperature sensor.


Ivo Locher received the MSc. degree in electrical engineering with focus on signal processing from UCLA, Los Angeles in 2002, and the Dr. sc. ETH Zurich (PhD) degree in information technology and electrical engineering from the Swiss Federal Institute of Technology Zurich, Switzerland in 2006. He joined the Electronics Laboratory at ETH Zurich in Fall 2002 as a research and teaching assistant in the Wearable Computing Group under Prof. Gerhard Tröster.

His research interests include wearable computing with focus on system-on-textile packaging, signal processing and textile antennas.


Keywords: System-on-Textile, Wearable Computing, Electronic Fabrics, Textile Substrates, Textile Interconnects, Interposer Technology, Textile Routing, Textile Antennas, Textile Sensors, Screen-printed transmission lines

Series in Microelectronics

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