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Nanopowder molding method for creating implantable high-aspect-ratio electrodes on thin flexible substrates

Paper ID Volume ID Publish Year Pages File Format Full-Text
10794 702 2017 9 PDF Available
Title
Nanopowder molding method for creating implantable high-aspect-ratio electrodes on thin flexible substrates
Abstract

Metal nanoparticles and a nanopowder molding process were used to fabricate 2D and 3D patternable structures having a height-to-width ratio of up to 10:1. By means of this process, an entire neural stimulation circuit, including stimulating electrode, connection trace, and contact pad, can be fused into one continuous, integrated structure where different sections can have different heights, widths, and shapes. The technique is suitable for mass production, and the fabricated electrode is robust and very flexible. More importantly for biomedical applications, the entire fabricated structure can be packed at room temperature onto a biocompatible flexible substrate, such as polydimethylsiloxane, parylene, and polyimide as well as other temperature-sensitive or vacuum-sensitive materials. The electrodes and wires have about the same electrical resistivities as bulk materials and desirable electrochemical properties, including low impedance.

Keywords
Neural prosthesis; Nanoparticle; Micromachining; Biocompatibility; Micropatterning; Electrodes
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Nanopowder molding method for creating implantable high-aspect-ratio electrodes on thin flexible substrates
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 27, Issue 9, March 2006, Pages 2009–2017
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
Online Support
Any Questions? feel free to contact us