Lithography
Articles tagged with Lithography
An unexpected breakthrough in flat optics
A team from Harvard and University of Lisbon found that silica, a low-refractive index material, can be used for making metasurfaces despite long-held assumptions. They discovered that by carefully considering the geometry of each nanopillar, silica behaves as a metasurface, enabling efficient design of devices with relaxed feature sizes.
When light teaches materials to self-organize: Writing nature-like 3D nanowrinkles
Scientists create natural surfaces with 3D nanowrinkles that control light, liquids, and living cells. The method uses laser polarization to guide the material's organization, enabling precise control over wrinkle formation and applications in bio-inspired surfaces and sensors.
Goodbye stereolithography: Scientists develop a faster and finer way to 3d print metal
Researchers create a new method for laser-based powder bed fusion that achieves unprecedented lattice walls and surfaces while reducing memory demand. The approach enables the high-fidelity fabrication of microscale shell lattices with improved strength and toughness.
OET inaugural cover | 30 years of nanoimprint lithography: Leading the new era of nanomanufacturing
The article discusses the progress of nanoimprint lithography (NIL) over 30 years, highlighting its high throughput and 3D patterning capabilities. NIL is becoming a key technology for fabricating emerging devices, including metalenses in smartphone cameras and automotive lidar.
IJEM ranked No.1 again—record-breaking Impact Factor of 21.3!
International Journal of Extreme Manufacturing (IJEM) achieves a new Impact Factor of 21.3, surpassing 20 for the first time and maintaining its position as top journal in the field. IJEM has attracted submissions from 853 institutions in 81 countries.
Cool science: Researchers craft tiny biological tools using frozen ethanol
University of Missouri scientists have developed an ice lithography technique that etches small patterns onto fragile biological surfaces without damaging them. The method uses frozen ethanol to protect the surface and apply precise patterns.
New Irresistible Materials CEO to drive commercialization and market adoption
Irresistible Materials Ltd appoints new CEO to lead business strategy and commercial engagements for its Extreme Ultra Violet (EUV) photoresist platform. The company's MTR technology is expected to grow the global EUV photoresist market at a substantial compound annual growth rate of over 20%.
Researchers design new materials for advanced chip manufacturing
The researchers aim to facilitate patterning in the extreme ultraviolet range using indium-based materials, enabling smaller and more precise features on chips. This could lead to better performance and energy efficiency in microchips.
Development of a simple, revolutionary printing technique for periodic nano/microstructures
Researchers developed a simple, repeatable printing technique to create periodic nano/microstructures on glass substrates with useful functions like water-repellency and structural colors. The technique enables fabricating materials without expensive equipment and complex processes, paving the way for innovative gas sensors.
Turning silver to gold: A diacetylene derivative-based metallic luster materials
Scientists create diacetylene derivative-based luster materials with tunable colors and metallic lusters, opening new possibilities for applications in jewelry, printing inks, and cosmetics. The developed material can express a golden luster selectively using light irradiation, minimizing environmental footprint and weight.
Rice neuroscientists to build state-of-the-art neural recording system
Chong Xie and his team at Rice University have won a $2.9 million grant from the National Institutes of Health to develop an implantable neural electrode system for high-resolution, long-term neural recording and stimulation. The project aims to improve the resolution of existing devices by increasing the density of neurons sampled.
Plasma scientists develop computer programs that could reduce the cost of microchips and stimulate American manufacturing
Researchers at PPPL create simulation codes that can accurately predict plasma behavior, reducing the manufacturing and design cycle of silicon chips. This innovation could help the US regain a leadership role in chip industry production.
Advancement in transmitting quantum information for high-speed information processing
A new technology has been developed to transmit quantum information over tens to hundred micrometers, improving the functionality of upcoming quantum electronics. The researchers use a terahertz split-ring resonator and confine only a few electrons to an ultra-small area.
Pick and place: Creating 3D-printed materials that shrink more precisely
Researchers developed a technique to achieve uniform shrinkage of 3D-printed structures, enabling finely detailed structures with advanced light manipulation capabilities. The method has applications in anti-counterfeiting, high-performance devices, and materials with precise structuring.
Let there be (controlled) light
Researchers at HZDR demonstrate the creation of controlled single-photon emitters in silicon, enabling mass production of photonic qubits for quantum computing. The breakthrough paves the way for industrial-scale photonic quantum processor production.
Fast burst of infrared light opens a way for 3D processing inside semiconductor chips
Researchers from LP3 Laboratory developed a light-based technique for local material processing in three-dimensional space of semiconductor chips. They successfully fabricated embedded structures inside Si and GaAs materials, which cannot be 3D processed with conventional ultrafast lasers.
Towards higher nanopatterning resolution with molecules that fill nanogaps better
A research group from Tokyo University of Science has discovered molecular features that govern the filling process at nanoscales, enabling finer resolutions in ultraviolet nanoimprint lithography. The findings provide valuable insights for guiding the selection and design of optimized resists for sub-10 nm resolution.
Advances in lithium niobate photonics
Lithium niobate photonics has developed rapidly, enabling compact devices with high performance. Thin film lithium niobate (TFLN) structures have shown significant improvements in refractive index contrast, paving the way for more integrated photonic devices.
Small structures on a large scale
Researchers from Paderborn University create a simple integrated quantum network using thin layers of lithium niobate to demonstrate large-scale functionalities. The project aims to develop scalable quantum components with industrial application potential.
Researchers invent method to 'sketch' quantum devices with focused electrons
Researchers at the University of Pittsburgh have developed a technique to create quantum devices by 'sketching' patterns of electrons into programmable materials. This approach enables the creation of active nanostructured gates directly below two-dimensional materials like graphene, with feature sizes comparable to electron spacing.
'Etch-a-Sketching' critical p-n nano-junctions for 2D Semiconductor diode
A team of researchers led by Elisa Riedo demonstrated a method for fabricating high-quality p-n junctions on single atomic layers of molybdenum disulfide, enabling bipolar conductivity in 2D semiconductors. The technique uses thermal scanning probe lithography to create nanoscale-resolution doping patterns.
Surprisingly strong and deformable silicon
A team of researchers at ETH Zurich has made a groundbreaking discovery that silicon can be stronger and more deformable than previously thought. They found that by using a specific lithography method, silicon pillars could withstand much greater widths without breaking, offering new possibilities for the fabrication of micro-?electro-...
Bubble group dancing
Researchers at Zhejiang University discovered a new type of bubbling mechanism that generates periodic and aperiodic bubbles with unique properties. This phenomenon has significant implications for industries such as heat transfer enhancement, mass transfer, and bubble motion control.
A big leap toward tinier lines
A team of researchers at MIT and University of Chicago has developed a self-assembly technique to produce narrow wires on microchips, breaking through fundamental limits in manufacturing processes. The new method uses block copolymers and could be scaled up for mass manufacturing with standard equipment.
ASRC professor leads study on reconfigurable magnetic nanopatterns
A team of international scientists has demonstrated a novel approach for designing fully reconfigurable magnetic nanopatterns using thermal scanning probe lithography. This method offers researchers the opportunity to control magnetism at the nanoscale, enabling the development of novel metamaterials and computing devices.
Self-stacking nanogrids
MIT researchers have developed a technique for stacking layers of block-copolymer wires, creating mesh structures with potential applications in memory and optical chips. The ability to easily produce these self-assembled structures could revolutionize the manufacturing process.
Engineers invent a bubble-pen to write with nanoparticles
Researchers developed bubble-pen lithography, a technique that uses microbubbles to inscribe nanoparticles onto a surface with precise control. This method allows for the creation of new materials and devices, such as metamaterials, with unique properties.
Moving origami techniques forward for self-folding 3-D structures
A team at UMass Amherst has developed an approach to make reversibly self-folding origami structures on small length scales. They use ultraviolet photolithographic patterning of photo-crosslinkable polymers to create complex structures that can be folded and redeployed.
Sharpening the focus in quantum photolithography
A new quantum lithography protocol developed by George Miroshnichenko improves the resolution of photolithography technology. The protocol addresses physical limitations caused by light diffraction, allowing for narrower stripes and higher-contrast edges on semiconductors.
Silver nanocubes make super light absorbers
Researchers at Duke University have developed a new method to create large-area absorbers using silver nanocubes, which can control the absorption of electromagnetic waves. This breakthrough could lead to more efficient and cost-effective devices for applications such as sensors and solar cells.
Etched quantum dots shape up as single photon emitters, NIST tests show
Researchers at NIST have developed a precise method to shape and position quantum dots, enabling them to emit individual photons. This breakthrough has significant implications for powering new types of devices in quantum communications.
UMD advance lights possible path to creating next-gen computer chips
University of Maryland researchers introduce a technique called RAPID lithography that uses visible light to create tiny integrated circuits comparable to shorter wavelength radiation. This breakthrough could lead to substantial savings in cost and ease of production for companies like Intel.
Microwave oven key to self-assembly process meeting semi-conductor industry need
Researchers at the National Institute for Nanotechnology developed a new method using microwave ovens to accelerate the self-assembly process for semi-conductors. This technique significantly reduces processing time, creating a viable alternative to conventional lithography methods.
Yorkshire gets £4 million ($6.3 million) electron lithography facility
Researchers in Yorkshire will gain access to a state-of-the-art electron-beam lithography system to study novel magnetic materials and fabricate high-frequency electronics. The £4 million facility, supported by industrial funding, will enable the fabrication of nanostructures with features less than 10 nanometres in size.
Self-assembling polymer arrays improve data storage potential
Researchers develop self-assembling polymer arrays that improve data storage capacity and reduce manufacturing time. The technology uses block copolymers to create precise patterns, enabling higher-density arrays and faster production.
Two-faced miniatures
Researchers at MIT develop a new method to produce tiny particles with defined size and shape featuring regular patterns in two or three dimensions. The team creates Janus particles, microparticles with two chemically different hemispheres, using stop-flow interference lithography.
A new technique for building nanodevices in the lab
Researchers create microscopic devices as small as 10 nanometers, enabling simultaneous real-time atomic imaging and potential applications in sensors, electronics, and DNA sequencing. The new technique surpasses traditional methods, producing reliable metal nanostructures with novel mechanical properties.
New 'liquid lens' data for immersion lithography
Researchers measured key properties of liquids using immersion lithography, including refractive index and molecular size. The NIST report provides useful trends and data to help identify suitable liquids or calibrate measurements.
Predicting the lifetime of extreme ultraviolet optics
Researchers found that increasing water vapor levels caused less damage to mirrors, possibly due to increased ambient hydrocarbon levels. Introducing methanol mitigates water-induced damage, paving the way for accelerated testing and broader illumination capabilities.
New technique aids nano-electronic manufacturing
Researchers have developed a new technique that allows for the creation of complex patterns in nano-electronics using self-assembling materials. This breakthrough enables the production of complex nano-electronic devices with non-regular geometries, which is crucial for advancing computer architecture by Moore's Law.
UO researchers learn to precisely control nanoparticle spacing
Researchers at the University of Oregon have developed a method to organize small gold nanoparticles into linear chains with controlled interparticle spacing, essential for creating electronic and optical applications. The technique uses DNA as a template and has high reproducibility, tolerance for structural defects, and high yield.
MIT's Nanoruler could impact space physics, more
The Nanoruler can pattern gratings with lines and spaces separated by a few hundred nanometers across large surfaces. This precision enables the analysis of light and decoding cosmic bar codes for space telescopes like NASA's Chandra X-ray Observatory.