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Self-assembly and self-interconnection of thin RFID devices on plasma-programmed foil substrates

 
: Landesberger, C.; Yacoub-George, E.; Hell, W.; Bock, K.

:

Institute of Electrical and Electronics Engineers -IEEE-; VDE/VDI-Gesellschaft Mikroelektronik, Mikro- und Feinwerktechnik -GMM-:
3rd Electronics System Integration Technology Conference, ESTC 2010. Proceedings. Vol.1 : Berlin, Germany, 13 - 16 September 2010
New York, NY: IEEE, 2010
ISBN: 978-1-4244-8553-6
ISBN: 978-1-4244-8554-3
S.460-464
Electronics System Integration Technology Conference (ESTC) <3, 2010, Berlin>
Englisch
Konferenzbeitrag
Fraunhofer EMFT ()

Abstract
The paper reports on a self-assembly process that enables both self-alignment of microelectronic devices and self-interconnection of devices with the surrounding electrical wiring. The complete process was successfully demonstrated using state-of-the-art RFID devices (radio frequency identification device) which were self-connected to four metal pads on polymer foil substrates. The new self-assembly concept comprises the following steps: mask-less plasma patterning process to define target areas for die assembly on polymer tapes, application and self-alignment of a liquid assembly medium at the target area, dropping of the chip device onto the assembly liquid, self-orientation of the chip with respect to the contact pads and finally heat induced bonding and interconnection of the device.

: http://publica.fraunhofer.de/dokumente/N-188536.html