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Method for Forming Cu Metal Wires by Microdispensing Pattern, Part I: Self Assembly Treatment & The Ink-Jet Process

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In this paper, we successfully combined three processes: selfassembled polyelectrolytes, catalyst ink-jet printing, and electroless metal plating technologies for the fabrication of electronic circuits. Poly (acrylic acid) (PAA) and poly (allylamine hydrochloride) (PAH) are primarily layer-bylayer adsorbed on the substrate. An inkjet-deposuted catalyst pattern binds by ion exchange to topped-surface PAH and forms metal nanoparticles. Finally, the electroless plating process form the electronic circuit on the pattern of catalyst. Besides, the process of immersing in acidic aqueous environments causes the microporous transformation. Therefore, due to the higher surface area and the microporous structure, these self-assembled polyelectrolyte layers are of great benefit to the absorption of the catalyst used for metal deposition. Hence, the above processes form excellent metal pattern for various substrate, like PET, Glass, PI, FR-4 etc.

Document Type: Research Article

Publication date: 2004-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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