Fabricating Metallic Circuit Patterns on Polymer Substrates through ..- laser direct writing of copper circuits on flexible substrates for electronic devices ,Nowadays, with the rapid development of portable electronics, wearable electronics, LEDs, microelectronics, and bioelectronics, the fabrication of metallic circuits onto polymer substrates with strong adhesion property is an ever-increasing challenge.. In this study, the high-resolution and well-defined metallic circuits were successfully prepared on the polymer surface via laser direct ..3D printed microstructures for flexible electronic devicesHere, we introduce a 3D microprinting technology that can expand one more dimension of the circuit in flexible electronics.. We fabricated three-dimensional serpentine microstructures based on direct laser writing.. These microstructures with a thin metal coated layer can be used as stretchable conducting meshes..
PC/ABS substrate.. Keywords: laser direct writing, catalytic ink, metal deposition, Copper circuit, PC/ABS 1.. INTRODUCTION Flexible electronics with thin and light features are used in wearable electronic equipments, portable apparatuses and radio frequency identification (RFID) devices and make related products more convenient for current ..
Laser-Assisted Reduction of Highly Conductive Circuits Based on Copper Nitrate for Flexible Printed Sensors.. .. copper electrodes were fabricated on polydimethylsiloxane as sensitive stretchable microsensors by integrating laser direct writing and transfer printing approaches to lead to a path toward electronic devices on flexible substrates..
Direct Laser Writing of Graphene-Based Electrical Interconnects for Printed Circuit Board Repair.. Chin Huat Joel Lim, .. The system capability is demonstrated by printing conductive traces on top of a flexible substrate to form a closed path for turning on a light-emitting diode, as well as, by repairing a commercial PCB.. ..
Background Conventional approaches of making a flexible circuit are generally complex, environment unfriendly, time and energy consuming, and thus expensive.. Here, we describe for the first time the method of using high-performance GaIn10-based electrical ink, a significantly neglected room temperature liquid metal, as both electrical conductors and interconnects, for directly writing flexible ..
By these examples we wanted to address common challenges in modern flexible and printed electronics: high-resolution printing of conductive structures, printing on flexible substrates, printing on ..
Flexible electronics generally refer to the electronic devices built on conformable or stretchable substrates.. In 2000, organic flexible electronics were nominated as one of the Top 10 scientific and technological achievements by Science, together with human genome editing and clone technology..On account of rapid development in the information era, flexible electronics are thought very highly ..
The copper electrode was reduced from copper salt using laser writing rather than the general approach of printing with pre-synthesized copper or copper oxide nanoparticles.. An electrical resistivity of 96 μΩ cm was achieved on 40-μm-thick Cu electrodes on flexible substrates..
Abstract.. Flexible electrodes have attracted much attention in consumer electronic applications.. In this work, laser direct writing is used to fabricate copper/graphene composite electrodes on a flexible substrate in one step.. This direct writing process with a low power laser can reduce copper ions in thin films to form copper nanomaterials ..
Basic Structure of Flexible Electronic Devices.. Generally, flexible electronic devices include at least four parts: electronic components, flexible substrates, cross-linked conductors, and sealing layers (Wong et al.., 2009).. The parts are combined using an adhesive layer, so the adhesive must be sufficiently strong, flexible, and chemically stable..
Stretchable electronic sensing devices are defining the path toward wearable electronics.. High-performance flexible strain sensors attached on clothing or human skin are required for potential applications in the entertainment, health monitoring, and medical care sectors.. In this work, conducting copper electrodes were fabricated on polydimethylsiloxane as sensitive stretchable microsensors by ..
The composite film has a sheet resistance of 0..57Ω sq −1 and the capacitance of as-written copper-graphene all-solid-state flexible micro-supercapacitor is 13..2mF cm −2 at a current density of 0..5mA cm −2.. This simple and low temperature process for composite structures will enable the rapid fabrication of flexible devices with low cost..
Portable and wearable devices have attracted wide research attention due to their intimate relations with human daily life.. As basic structures in the devices, the preparation of high-conductive metallic circuits or micro-circuits on flexible substrates should be facile, cost-effective, and easily integrated with other electronic units.. In this work, high-conductive carbon/Ni composite ..
Wearable electronic devices have attracted more and more attentions due to their unique .. we demonstrate a novel approach to fabricate waterproof sensors in flexible substrates by laser direct writing.. Silver nanoparticles conductive circuits were simultaneously synthesized and patterned inside PDMS films by laser direct writing to form a ..
by integrating laser direct writing and transfer printing approaches.. The copper electrode was reduced from copper salt using laser writing rather than the general approach of printing with pre-synthesized copper or copper oxide nanoparticles.. An electrical resistivity of 96 lX cm was achieved on 40-lm-thick Cu electrodes on flexible sub-strates..
Laser Direct Writing and Photonic Manufacturing of Microball Lens for Wide-angle Imaging, Energy Devices, and Sensors on Flexible Substrates [DOI: 10..2961/jlmn..2016..03..0001] .. Laser Direct Writing of Copper Circuits on Flexible Substrates for Electronic Devices [DOI: 10..2961/jlmn..2016..03..0009]
Owing to the development of additive manufacturing, conductive inks can be directly printed on various substrates without physical contact.. Various printing techniques, including laser-aided direct writing , ink-jet printing [23,24,25,26], and aerosol-jet printing [14,27,28,29,30] have been developed for printed electronics.. The maskless ..
Abstract A flexible antenna based on polyether ether ketone (PEEK) substrate is prepared through laser induced graphene-selective plating (LIGSP) technology, which involves laser modification, sensitization and activation, and electroless deposition, respectively.. Specifically, PEEK film is modified by a simple 355 nm ultraviolet (UV) laser and the selectively irradiated area will in-situ ..
The copper electrode was reduced from copper salt using laser writing rather than the general approach of printing with pre-synthesized copper or copper oxide nanoparticles.. An electrical resistivity of 96 μΩ cm was achieved on 40-μm-thick Cu electrodes on flexible substrates..
Keywords: laser direct writing, laser reduction, copper circuit, flexible device, flexible sensor 1.. Introduction Recently, flexible devices have been widely researched and showed remarkably promising in wearable monitoring technology [1], entertainment [2], medical cares [3] and electronic devices [4].. Some of them have entered into our
PC/ABS substrate.. Keywords: laser direct writing, catalytic ink, metal deposition, Copper circuit, PC/ABS 1.. INTRODUCTION Flexible electronics with thin and light features are used in wearable electronic equipments, portable apparatuses and radio frequency identification (RFID) devices and make related products more convenient for current ..
The history of paper as substrates for electronic devices can be traced back to the manufacture of flexible circuits for credit cards and biomedical sensors in the late 1960s.. In recent years, a new surge of interest in paper-based electronics has risen again due to the urgent need for low-cost and sustainable flexible electronics..
S.. Bai, W.. Zhou, T.. Hou, A.. Hu, Laser direct writing of copper circuits on flexible substrates for electronic devices.. J.. Laser Micro Nanoeng.. 11(3), 333–336 (2016) Article Google Scholar J.. Zhang, T.. Zhou, L.. Wen, A.. Zhang, Fabricating metallic circuit patterns on polymer substrates through laser and selective metallization..
In recent years new forms of electronic devices such as electronic papers, flexible displays, epidermal sensors, and smart textiles have become reality.. Thin-film transistors (TFTs) are the basic blocks of the circuits used in such devices and need to operate above 100 MHz to efficiently treat signals in RF systems and address pixels in high ..
Portable and wearable devices have attracted wide research attention due to their intimate relations with human daily life.. As basic structures in the devices, the preparation of high-conductive metallic circuits or micro-circuits on flexible substrates should be facile, cost-effective, and easily integrated with other electronic units.. In this work, high-conductive carbon/Ni composite ..
