Printable electronics: patterning of conductive materials for novel applications

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Title: Printable electronics: patterning of conductive materials for novel applications
Author: Karwa, Anupama; Xia, Yu; Clark, Daniel; Smith, Thomas; Kahn, Bruce
Abstract: The convergence of materials science, printing, and electronics promises to offer low cost and high volume production of devices such as transistors, RFID tags, wearable electronics and other novel applications. Although a number of “soft lithographic” techniques have been used to make these devices, they are slow and have a limited production volume. Here high volume printing processes like rotary letterpress, flexography and offset lithography have been investigated for patterning conductive materials. The synthesis and development of conducting inks using electrically functional polymers and their direct applicability in gas sensors has been studied. The feasibility of using such inks in high volume printing processes has been studied. An attempt has been made to print conductive interdigitated electrodes using these inks to obtain uniform coating properties and appropriate electrical characteristics. Various process parameters like type of substrate, inking time and speed, printing pressure, printing force and ink formulation have been investigated.
Description: Article may be found at: http://www.mrs.org/s_mrs/sec_subscribe.asp?CID=2684&DID=114329&action=detail
Record URI: http://hdl.handle.net/1850/2353
Date: 2005

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