Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 19 of 19 for “"Conductive Ink"”.
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Printing conductive ink tracks on textile materials
… Traditionally the techniques used to create conductive textiles are conductive fibers, treated conductive fibers, conductive woven fabrics and conductive ink. The technologies to print conductive ink on textile materials are still under progress of development thus this study is to …
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THE USE OF CONDUCTIVE INK IN ANTENNA EDUCATION AND DESIGN
Conductive ink from a printer allows for the fabrication of conductive material with tight tolerances without the cost and time of chemical etching. This paper explores the use of AGIC printable conductive ink on a paper substrate as design tool for antennas as well as classroom use in antenna …
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Novel Integration of Conductive-Ink Circuitry with a Paper-Based Microfluidic Battery as an All-Printed Sensing Platform
… battery was mated with silver-nanoparticle conductive ink to prototype an all-printed sensing platform. A multi-layer, two-cell device was fabricated, generating 200 μA of direct electrical current at 2.5 V sustained for 16 minutes with a power loss of less than 0.1% through the printed …
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Hybridization of PolyJet and Direct Write for the Direct Manufacture of Functional Electronics in Additively Manufactured Components
… in conjunction with direct write (DW) of conductive materials, enables the direct manufacture of parts featuring embedded electronics, including interconnects and sensors. The scope of previous works in which DW and AM processes are combined has been limited to single material AM …
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Drawing the electric
… of craft and electronics by way of paper and conductive ink, a domain that I'm terming papercraft electronics-a synthesis of electronics, drawing, and painting. I investigate the nature of making a physical electronic artifact, and the ways in which that making informs our relationship with …
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Flexible electronics : materials and sensor fabrication
… piezoelectric/pyroelectric sensors. Ink-jet, screen and stencil printing techniques were developed to print these devices. This work outlines attempts to develop a solution processable conductive ink for ink-jet printing. It then details the printing of commercial conductive ink on …
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Development of a Novel, Manufacturing Method of Producing Cost-Effective Thin-Film Heat Flux Sensors
… etching and stencil printing nickel/silver conductive ink thermocouple materials onto a thin-film polyimide Kapton® substrate. The semi-automated production capabilities of this manufacturing process significantly decrease the cost of producing thin-film heat flux sensors while still …
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Materials for bioimplantable / bioresorbable electronics
… target lifetimes. The last chapter describes a conductive ink formulation that exploits electrochemical sintering of Zn microparticles in aqueous solutions at room temperature, with relevance to emerging classes of biologically and environmentally degradable electronic devices. The resulting …
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Fabrication and material characterization of silver cantilevers via direct surface micromachining
… are needed. Using Hewlett-Packard thermal inkjet technology mounted to an X-Y microcontroller stage, we present a mask-less, or direct, surface micromachining process flow with a 250°C thermal budget. The process uses Cabot Corp.'s silver-based conductive ink for the structural layer and …
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Wireless Coupled Feed Structure for Additively Manufactured Conformal Antennas
… printed directly onto 3D surfaces using conductive inks and dielectric pastes. Instance, the traditional antenna radomes that had the purpose of protecting the antenna on its inside can now become the antenna itself. With the components on the surface of the structure, instead of inside …
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Flexible Electronics: Materials and Device Fabrication
… flexible electronic devices from them. Conductive ink formulations and inkjet printing of gold and silver on plastic substrates were examined. Line patterning and mask printing methods were also investigated as a means of selective metal deposition on various flexible substrate …
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Microwave Overlay Capacitor Fabrication on Printed Circuit Boards
… a Voltera V-One printer with the Elegant Eel conductive ink of thickness 120 𝜇𝑚. Ferroelectric film thicknesses were measured using a Mitutoyo micrometer to be 15−120 𝜇𝑚. Surface profile sweeps were taken with a profilometer as high texture made the profilometer unsuitable for thickness …
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UHF RFID Antenna Impedance Matching Techniques
… Department by silk-screening silver conductive ink onto DuPont Melinix Polyethylene Terephthalate (PET) plastic. Impedance simulations are compared to fabricated antenna impedance measurements and range testing results.</p>
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Multi-material Non-planar Additive Manufacturing for Conformal Electronics on Curvilinear Surfaces
… data acquisition and customized 3D printable conductive ink are proposed for capturing the topographical information of patient-specific malformations and integrating conformal sensing electronics across anatomical tissue-device interface. 2） To fabricate conformal antennas on flexible …
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Micro- and nano-soft lithography for the fabrication of photonic devices
… photonic materials at the micro- and nano-scale. Inkjet printing and Dip-Pen Nanolithography, respectively, have been used to pattern organic molecules, photoresists, and conductive inks to create optically active structures and devices. A series of light emitting polymers (LEPs), blended with a …
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Pen-on-paper electronics
… devices that are made by printing or etching conductive materials on a substrate. Printed circuit boards (PCBs) are typically made on rigid fiberglass sheets, however plastic and paper substrates have emerged as alternative materials that are flexible, lightweight, and disposable. To date, …
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Synthesis and patterning of reactive silver inks
Silver inks are ubiquitous in printed electronic devices due to their high conductivity and oxidation resistance. However, many inks developed to date have numerous drawbacks such as difficult synthesis, high annealing temperatures, and electrical conductivities far below bulk silver. The …
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Characterization of Resistance Change in Stretchable Silver Ink Screen Printed on TPU-Laminated Fabrics Under Cyclic Tensile Loading
<p>A stretchable silver ink was screen printed to TPU sheets, then tensile coupons of the TPU, both bare and laminated to cotton, Denim and spandex fabric, were subjected to 1000 cycles of 20% uniaxial strain. In-situ resistance measurements of printed traces were processed to generate datasets of …
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2d Material Inks for Printed Electronics
… material printing demonstrations have been with inkjet. Methods such as blade coating, screen printing and flexography have received less attention despite having notable advantages. Also, the majority of 2d material printing research has focused on conducting (e.g. graphene) and semiconducting …