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Direct ink-jet printing of electric materials with active alignment control

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4 Author(s)
Nagai, T. ; Dept. of Mechano-Informatics, Tokyo Univ., Japan ; Hoshino, K. ; Matsumoto, K. ; Shimoyama, I.

We have made a system for direct ink-jet printing of electric materials with active alignment control. The system consists of nozzles, image sensors and a target tracking system. Each nozzle is integrated with a microlens for an image sensor and a pair of electrodes to control ink-jets according to the output of the image processing. The performance of the target detecting system was accurate enough to obtain 5-μm-precision. The fabricated nozzles achieved patterning of silver nanoparticles, which can be used as conductive wires after sintering, and the patterning position was successfully controlled by the microelectrodes. The voltage-displacement relationship with R2 = 0.99 was measured.

Published in:

Solid-State Sensors, Actuators and Microsystems, 2005. Digest of Technical Papers. TRANSDUCERS '05. The 13th International Conference on  (Volume:2 )

Date of Conference:

5-9 June 2005