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SUMMARY:Woven sensor fibers for wearable computing - Dr Kunigunde H Cheren
 ack\, Swiss Federal Institute of Technology\, ETH Zürich
DTSTART:20100122T140000Z
DTEND:20100122T150000Z
UID:TALK21180@talks.cam.ac.uk
CONTACT:spl37
DESCRIPTION:Electronic textiles (or e-textiles) have a wide range of poten
 tial applications in wearable computing and large-area applications\, incl
 uding medical monitoring\, assistance to the disabled\, and distributed se
 nsor networks. Integrating electronics into textiles conventionally involv
 es attaching printed circuit boards (PCBs) with sensing and data processin
 g capabilities to textile substrates. By contrast\, our approach focuses o
 n incorporating electronic sensors into textiles during the weaving proces
 s. The first step of our process involves fabricating thin-film sensors an
 d transistors on plastic substrates or attaching sensor chips directly to 
 interconnect lines patterned on the substrate. Next\, we cut the substrate
  into sensor-stripes as narrow as 50µm that can be woven into a textile u
 sing an industrial weaving machine. This talk will present the various thi
 n-film devices that were developed for textile integration\, the details o
 f our weaving method and first demonstrators that were developed. It will 
 also include a discussion of how device fabrication needs to be adapted to
  fabricate rugged devices that are capable of surviving the high strain ra
 tes and small bending radii that plastic stripes experience during weaving
 .
LOCATION:Kapitza Building Seminar Room\, Cavendish Laboratory\, Department
  of Physics
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