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Hybrid Stacked RFID Antenna Coil Fabricated by Ink-Jet Printing of Catalyst with Self-assembled Polyelectolytes & Electroless Plating

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This article describes a method of forming stacked hybrid metal structure and pattern to enhance RFID antenna coil inductance. The essential strategies included the use of self-assembled polyelectolytes to modify surface property, an ink-jet printing process for catalyst, and a stacked hybrid metal layer formed by electroless plating. The minimum line width and line spacing can reach 100μm / 100μm. In addition, the characteristics of prior researches about metal antenna formed by use of ink-jet printing or other traditional methods were also compared with this case. It is verified that this process with different substrates, like PI, PET, and FR-4, could render satisfactory performance in related application. Laboratory experiments showed that the inductance of this antenna is tunable from range 300 nH up to 20 uH, depending on the resulting metal coil thickness.

Document Type: Research Article

Publication date: 2006-01-01

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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