Results 1 to 10 of about 457,875 (114)

High aspect ratio organic light-emitting diodes [PDF]

open access: yesNature Communications
Reliability is particularly challenging for organic light-emitting diodes (OLEDs) used in solid-state lighting applications, because OLED lifetime is inversely proportional to luminance, and most lighting applications demand high luminance.
Binyu Wang   +9 more
doaj   +2 more sources

Flow study of Dean’s instability in high aspect ratio microchannels [PDF]

open access: yesScientific Reports, 2023
Dean’s flow and Dean’s instability have always been important concepts in the inertial microfluidics. Curved channels are widely used for applications like mixing and sorting but are limited to Dean’s flow only.
Yu Ching Wong   +5 more
doaj   +2 more sources

Ultrafast Laser Processing for High-Aspect-Ratio Structures [PDF]

open access: yesNanomaterials
Over the past few decades, remarkable breakthroughs and progress have been achieved in ultrafast laser processing technology. Notably, the remarkable high-aspect-ratio processing capabilities of ultrafast lasers have garnered significant attention to ...
Muyang Qin   +6 more
doaj   +2 more sources

Very High-Aspect-Ratio Polymeric Micropillars Made by Two-Photon Polymerization [PDF]

open access: yesMicromachines, 2023
Polymeric micropillars with a high-aspect-ratio (HAR) are of interest for a wide range of applications, including drug delivery and the micro-electro-mechanical field.
Keynaz Kamranikia   +5 more
doaj   +2 more sources

A High-Aspect-Ratio Deterministic Lateral Displacement Array for High-Throughput Fractionation [PDF]

open access: yesMicromachines
Future industrial applications of microparticle fractionation with deterministic lateral displacement (DLD) devices are hindered by exceedingly low throughput rates.
Jonathan Kottmeier   +4 more
doaj   +2 more sources

Engineering high aspect-ratio silicon nanostructures

open access: yesPhysical Sciences and Technology, 2023
Large-area high density vertical silicon nanowire arrays are fabricated by metal-assisted chemical etching. Two-dimensional silica colloidal crystal template or laser interference lithography are used to create gold metal nanohole arrays on a silicon ...
Ali Belarouci   +2 more
doaj   +1 more source

Reversibly Photoswitchable High‐Aspect Ratio Surfaces

open access: yesSmall Structures, 2023
Herein, the fabrication of light‐sensitive high‐aspect ratio surfaces with switchable topography using melt‐electrowriting of shape‐memory polymers and deposition of light‐to‐heat converting black ink on it by dip coating is reported on.
Gissela Constante   +4 more
doaj   +1 more source

High Speed Microactuators for Low Aspect Ratio High Speed Micro Aircraft Surfaces

open access: yesActuators, 2021
This paper covers a class of actuators for modern high speed, high performance subscale aircraft. The paper starts with an explanation of the challenges faced by micro aircraft, including low power, extremely tight volume constraints, and high actuator ...
Ronald Barrett-Gonzalez, Nathan Wolf
doaj   +1 more source

Increasing the Stability of Isolated and Dense High-Aspect-Ratio Nanopillars Fabricated Using UV-Nanoimprint Lithography

open access: yesNanomaterials, 2023
Structural anti-reflective coating and bactericidal surfaces, as well as many other effects, rely on high-aspect-ratio (HAR) micro- and nanostructures, and thus, are of great interest for a wide range of applications.
Michael J. Haslinger   +8 more
doaj   +1 more source

Optical Detection Method for High Aspect Ratio Microstructures

open access: yesMicromachines, 2020
High aspect ratio microstructures (HARMS) are of great importance for many application fields. Many defects are generated during the fabrication processes, especially in line microstructures, and it is necessary to examine the quality of the structures ...
Wenbin Wei   +8 more
doaj   +1 more source

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