Results 31 to 40 of about 315,954 (336)

Replica-molded high-Q polymer microresonators [PDF]

open access: yesOptics Letters, 2004
Ultrahigh-Q microtoroids on a chip are applied as replication masters to demonstrate replica-molded high-Q microresonator arrays. Replica Q factors are nearly material loss limited, affirming the integrity of the replication process, and are as high as 5 x 10(6), or nearly a factor of 40 greater than previous polymer-based devices.
Andrea L, Martin   +3 more
openaire   +2 more sources

Realization of high aspect ratio metalenses by facile nanoimprint lithography using water-soluble stamps

open access: yesPhotoniX, 2023
Nanoimprint lithography (NIL) has attracted attention recently as a promising fabrication method for dielectric metalenses owing to its low cost and high throughput, however, high aspect ratio (HAR) nanostructures are required to manipulate the full 2π ...
Hojung Choi   +10 more
doaj   +1 more source

Thermal Nanoimprint Lithography—A Review of the Process, Mold Fabrication, and Material

open access: yesNanomaterials, 2023
Micro- and nanopatterns perform unique functions and have attracted attention in various industrial fields, such as electronic devices, microfluidics, biotechnology, optics, sensors, and smart and anti-adhesion surfaces. To put fine-patterned products to
Noriyuki Unno, Tapio Mäkelä
doaj   +1 more source

Diffractive lens fabrication by replica molding [PDF]

open access: yesTechnical Digest. Summaries of papers presented at the Conference on Lasers and Electro-Optics. Postconference Technical Digest (IEEE Cat. No.01CH37170), 2001
Summary form only given. Diffractive lenses and 2-D gratings were fabricated using electron-beam lithography and replica molding. With electron-beam lithography, feature sizes smaller than 60 nm can be achieved. We demonstrate that we can achieve similar feature sizes with replica molding.
Lee, Benjamin G., Scherer, Axel
openaire   +2 more sources

Facile Fabrication of Three-Dimensional Hydrogel Film with Complex Tissue Morphology

open access: yesBioengineering, 2021
In this study, we proposed a simple and easy method for fabricating a three-dimensional (3D) structure that can recapitulate the morphology of a tissue surface and deliver biological molecules into complex-shaped target tissues.
Young-Hyeon An, Su-Hwan Kim
doaj   +1 more source

Subnanometer Replica Molding of Molecular Steps on Ionic Crystals [PDF]

open access: yesNano Letters, 2010
Replica molding with elastomeric polymers has been used routinely to replicate features less than 10 nm in size. Because the theoretical limit of this technique is set by polymer-surface interactions, atomic radii, and accessible volumes, replication at subnanometer length scales should be possible.
Elhadj, Selim   +4 more
openaire   +3 more sources

The study of polydimethylsiloxane nanocone distortion in the demolding process using molecular dynamics method

open access: yesAIP Advances, 2022
Experimental results show that after demolding process from the polymethylmethacrylate mold, the poly(dimethlysiloxane) (PDMS) nanocone replica yields 150%–160% larger in height as compared to the mold size dimensions before rupture. The observation from
Abdul Haadi Abdul Manap   +2 more
doaj   +1 more source

Low Cost, Ease-of-Access Fabrication of Microfluidic Devices Using Wet Paper Molds

open access: yesMicromachines, 2022
Rapid prototyping methods enable the widespread adoption of microfluidic technologies by empowering end-users from non-engineering disciplines to make devices using processes that are rapid, simple and inexpensive.
Raviraj Thakur, Gene Y. Fridman
doaj   +1 more source

High-temperature softening of nickel-based carbon nanotube composite coatings for the fabrication of nickel-based nanoimprint molds by thermal imprinting

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2014
The development of nickel mold materials that softened at high temperatures was investigated, and their use in the fabrication of replica nickel molds by thermal nanoimprinting was demonstrated.
Tsunehisa SUZUKI   +3 more
doaj   +1 more source

Facile microfabrication of three dimensional-patterned micromixers using additive manufacturing technology

open access: yesScientific Reports, 2022
This study investigates the manufacturing method of oblique patterns in microchannels and the effect of these patterns on mixing performance in microchannels.
Doheon Koo, Hongyun So
doaj   +1 more source

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