Articles tagged with Printing
A new 3D printer developed by researchers at MIT and NIST can automatically identify the parameters for printing with unknown materials. This allows for the use of renewable or recyclable materials that were previously difficult to characterize, reducing the environmental impact of additive manufacturing.
Researchers have introduced a more efficient processing technique that enables scalable fabrication of custom microscale particles for applications in drug delivery, microelectronics, and abrasives. This process, called roll-to-roll CLIP, achieves unprecedented fabrication rates while preserving high resolution.
Researchers at TU Graz have discovered that the cause of curling paper lies in solvents contained in the ink, which migrate towards the unprinted side over time. This causes the cellulose fibres on the unprinted side to swell and the paper starts to curl.
Researchers at MIT successfully printed compact, magnetic-cored solenoids using a customized multimaterial 3D printer. The printed solenoids can withstand twice as much electric current and generate a magnetic field three times larger than other 3D-printed devices.
Researchers have developed a method called mask wafer co-optimization (MWCO) that allows for the creation of curved shapes using variable-shaped beam mask writers. This technique reduces wafer variation by 3x and improves the process window by 2x compared to existing methods.
Researchers developed a sustainable technique to 3D print multiple dynamic colors from a single ink using UV-assisted direct-ink-write printing. The new method produces structural colors in the visible wavelength spectrum, offering vibrant and potentially more sustainable alternatives.
Researchers at Kobe University developed a new approach to producing colors using the scattering of light from tiny silicon crystals. The material enables non-fading structural colors that do not depend on the viewing angle and can be printed, promising significant weight improvements over conventional paints.
A new technique using superluminescent light projection can print metal nanostructures at 480 times the speed and 35 times the cost of current methods. This breakthrough has the potential to democratize nanoscale 3D printing, making it accessible to more researchers and industries.
Researchers at KAIST have developed a micro-vacuum assisted selective transfer printing (µVAST) technology to improve the transfer of microLED chips. The technology uses laser-induced etching to create micro-hole arrays on glass substrates, allowing for precise alignment and higher adhesion switchability.
The researchers successfully created a stable hybrid laser by 3D printing micro-optics onto fibers, reducing the size and cost of traditional lasers. The new design enables high-power laser sources with compactness and robustness, opening up opportunities for applications such as autonomous vehicles, medical procedures, and lithography.
Researchers developed a new 3D inkjet printing system that works with a wider range of materials, including slower-curing materials. The system utilizes computer vision to automatically scan the print surface and adjust the amount of resin deposited in real time.
A new technology enables the printing of complex robots with soft, elastic, and rigid materials in one go. This allows for the creation of delicate structures and parts with cavities as desired.
Researchers introduced a cost-effective solution to correct tilt and curvature errors in two-photon polymerization 3D printing. The method uses Fourier scatterometry, which offers lower uncertainties than traditional methods, resulting in improved image quality and precision.
A team of researchers from City University of Hong Kong and Shanghai Jiao Tong University has developed a novel aluminium alloy with unprecedented fatigue resistance using advanced 3D printing techniques. The new alloy, called NTD-Al, surpasses the fatigue strength of high-strength wrought Al alloys and conventional metals.
Recent progress in metallic powders characterization, preparation, and reuse for laser powder bed fusion (L-PBF) enhances printing consistency and reduces costs. Novel cost-effective methods like fluidized bed and cold mechanically derived method are emerging to prepare powders.
Multistable mechanical metamaterials can switch between multiple stable configurations under external loading, making them reusable and efficient for quick action. Their unique properties make them promising for various engineering applications, including energy absorption, soft actuators/robots, and wave control.
Researchers introduce a game-changing technology that enables fabrication of high-resolution, transformable 3D structures at the micro/nanoscale using Two-photon polymerization-based (TTP-based) 4D printing. The technology has vast potential for applications in biomedicine, flexible electronics, soft robotics, and aerospace.
A new fabrication process for photo-thermoelectric imagers on soft sheets has been developed, enabling highly durable non-destructive inspections. The process simplifies the integration of multi-functional device substrates, contributing to the manufacturing of image sensor sheets.
Researchers have developed an integrated sensor capable of capturing and enhancing bio-signals, paving the way for potential treatments of brain disorders. The innovative technology uses inkjet printing to create a flexible substrate with a custom-made sensor.
Dr Saskia Limbach receives ERC Starting Grant to investigate the effects of the printing press on widows' rights and agency. The project 'WidowsPrint' aims to reconstruct the professional networks of women book printers and analyse their economic contributions in 16th-17th century Germany.
Printable electronics have potential in solar power and LED screens but face challenges in scalable manufacturing. Professor Adam Printz is using a new RAPID printing process to examine fundamental characteristics and advance the field.
Researchers at Harvard developed a fiber-infused ink that allows 3D-printed heart muscle cells to align and contract like human heart cells, enabling the creation of functional heart ventricles. The innovation can be used to build life-like heart tissues with thicker muscle walls, paving the way for regenerative therapeutics.
The new method creates complex 3D shapes in seconds by applying heat to pre-folded flat sheets with origami patterns. This innovation has the potential to mitigate issues with traditional 3D printing, such as material wastage and long print times, and can be used in various fields like fashion, disaster recovery, and more.
A team of researchers at the University of Notre Dame analyzed nearly 600 colonial notes to understand Franklin's innovative techniques for making paper money. They found distinctive security features, including pigments and materials like muscovite that made his bills harder to counterfeit.
Researchers developed bio-piezoelectric smart scaffolds for next-generation bone tissue engineering, demonstrating potential for clinical applications. The scaffolds can reconstruct desired tissue EM through non-invasive ultrasonic stimulation, promoting cell adhesion and osteogenic differentiation.
Researchers developed super flexible composite semiconductors using inkjet printing, outperforming previous studies with up to 40% polymer addition. The material maintains electronic transport properties while achieving high flexibility and foldability.
Scientists have developed a metallic gel that allows for highly conductive 3D printing at room temperature. The gel, which is 97.5% metal, enables the creation of electronic components and devices with unprecedented conductivity.
The technique has the potential to overcome major shortcomings associated with conventional bioprinting, allowing real-time wound treatment and immediate anastomosis with native tissue. However, challenges remain, including integration with surrounding tissues and limited access to defect sites in articular joints.
Washington State University engineers have created a way to 3D-print two types of steel in the same circular layer using two welding machines. The resulting bimetallic material proved stronger than either metal alone due to pressure caused between the metals as they cool together.
A research team from Taiwan has found a way to massively speed up aerial image simulations using wavelength scaling and fast Fourier transformation. The new algorithm improves computation speed by 4000-5000 times while maintaining only a slight intensity deviation.
The study proposes a new method called programmable pulsed aerodynamic printing (PPAP) that enables precise generation of multi-interface droplets with varying Z numbers. This technology has broad potential for applications such as cell encapsulation, controlled drug release, and self-assembly.
Researchers at UMC Utrecht successfully merged two printing techniques to create functional tissues made from stem cells. Granular biogels enable high cell density, survival, and specialization, surpassing solid gels. This breakthrough boosts tissue functionality and opens up opportunities for regenerative medicine.
Researchers at the University Medical Center Utrecht combined volumetric bioprinting and melt electrowriting to create functional blood vessels. The technique allowed for the creation of tubes, forked vessels, and even venous valves with unidirectional flow, paving the way for further development into a fully functional blood vessel.
Researchers developed a novel printing method that controls the precise deposition of bioink in embedding medium, achieving accurate and homogeneous structures. The method enables the creation of complex three-dimensional structures with multiple materials, which has potential applications in manufacturing heterogeneous tissue models.
Researchers at NC State University have developed a novel method for creating CO2 capture filters using 3D printing. The filters, made from a hydrogel material infused with the enzyme carbonic anhydrase, captured 24% of CO2 in a gas mixture and retained 52% of its performance after over 1,000 hours. This technology has potential applic...
Researchers at POSTECH have developed a bioink using alginate from algae and visible light, resulting in enhanced cell viability and printing resolution. This innovation could lead to the creation of artificial organs and tissues, as well as cultivated meat with lower environmental impact.
Scientists adapted volumetric bioprinting to create three-dimensional, biologically functional areas within printed gels. The technique enables the infusion of biomolecules and growth factors into gelatin structures, creating a chemical map that guides cells to develop or specialize accordingly.
A novel 3D printing method called high-throughput combinatorial printing (HTCP) produces materials with unique compositions and properties at microscale spatial resolution. This approach has the potential to accelerate materials discovery, particularly for clean energy and biomedical applications.
Xiayun Zhao receives $657,610 NSF CAREER Award for her research in photopolymer additive manufacturing. She aims to develop a smart digital light processing method that uses two wavelengths to control curing and curb exposure, improving the accuracy and strength of printed parts.
Researchers have developed a novel 3D printing strategy that preserves the folding structure and molecular function of various biopolymers, enabling precise control over size and geometry at submicron resolution. The technique allows for the production of 3D biopolymeric architectures with functional integrity and biofunctions.
Researchers developed 'BioArm,' a portable 3D bioprinter for cancer research, which can print complex tumoroids in under 90 seconds. The device enables testing of immunotherapy treatments and mimics the tumor microenvironment.
A research team from Pohang University of Science & Technology has engineered an artificial kidney to detect adverse drug reactions and provide personalized treatment. The team successfully fabricated a glomerular microvessel-on-a-chip that recapitulates the kidney's filtering function and evaluates its response to various toxins.
Chemical engineers have created a new technique for shaping glass into intricate 3D forms using origami and kirigami. By combining folding and heating, they can produce transparent glass with complex shapes and layered textures.
Researchers create a 3D-printing system to construct cheesecake from edible food inks, enabling customizable foods with improved nutrient content. The technology could address issues with low-nutrient processed foods, making it appealing for individuals with dietary restrictions and those requiring personalized nutrition.
Researchers at Swansea University have created a low-cost and scalable method to manufacture fully printable perovskite photovoltaics using carbon ink. The devices achieved similar performance to conventional gold electrodes, with power conversion efficiencies of up to 14%.
Researchers have developed a smart contact lens capable of implementing AR-based navigation using a novel electrochromic display technology. The device uses Prussian blue to display directions to the user in real-time, overcame limitations of existing AR devices.
The team creates software and hardware for a 4D printer that can control shape-changing materials in response to external magnetic fields or mechanical deformation. This technology enables the design of soft robots, smart sensors, and substrates with self-healing capabilities.
A new cybersecurity framework uses digital twin technology, machine learning, and human expertise to detect cyberattacks in manufacturing processes. The framework analyzes continuous data streams from physical machines and their digital twins to identify irregularities and flag potential threats.
EPFL researchers have created a 3D printing ink containing calcium carbonate-producing bacteria that produces bone-like composites. The resulting bio-composite is exceptionally strong, light, and environmentally friendly. This innovation has potential applications in art restoration, coral reef regeneration, and biomedical fields.
Researchers from Saarland University have developed a method to create complex, structurally colored 3D objects using core-shell particles. These materials can be used in anti-counterfeiting technology and versatile measurement sensors.
Researchers at Max Planck Institute and Heidelberg University have developed a technology to assemble matter in 3D using sound waves. They successfully printed microparticles, gel beads, and biological cells into three-dimensional shapes, paving the way for novel 3D cell culture techniques.
Researchers at Washington State University have developed a new screen-printing method to create stretchable and durable wearable electronics. The process uses a multi-step layering technique to create snake-like electrode structures that can be transferred onto fabric or worn directly on human skin.
A new parallel peripheral-photoinhibition lithography system has been developed, enabling the fabrication of subdiffraction-limit features with high efficiency. The system uses two beams to excite and inhibit polymerization, allowing for nonperiodic and complex patterns to be printed simultaneously.
Researchers have developed an edible plant-based ink derived from food waste to create cost-effective scaffolds for culturing meat. This innovation could significantly reduce the cost of large-scale cultured meat production, making it more affordable and environmentally friendly.
MIT engineers create ultralight fabric solar cells that can generate 18 times more power-per-kilogram than conventional solar cells, making them ideal for wearable power fabrics or deployment in remote locations. The technology can be integrated into built environments with minimal installation needs.
A team of researchers created 3D-printed violins using modern materials and techniques, producing a darker, more mellow sound. The project aims to make music education accessible through the printing of affordable instruments.
The use of 3D printing techniques can optimize the shape of uranium targets to increase the production of molybdenum-99. This method allows for a larger active surface area and more effective heat dissipation, resulting in higher processing efficiency.
Researchers have found a way to transfer precise micro Patterns onto unconventional surfaces, including curved surfaces and fibers. This technique, called REFLEX, could open up new possibilities for the development of new materials and microstructures in fields such as electronics and biomedical engineering.
Researchers have made significant progress toward creating robots that can build nearly anything, including vehicles, buildings, and even bigger robots. The new system uses complex voxels that can carry power, data, and force, enabling the building of structures with intelligence.
A new technique allows printing electronic circuits onto curved and corrugated surfaces without binding agents, paving the way for soft electronic technologies. Prototype smart contact lenses, pressure-sensitive gloves, and transparent electrodes have been created using this method.