scholarly journals Capillary liquid bridge soft lithography for micro-patterning preparation based on SU-8 photoresist templates with special wettability

RSC Advances ◽  
2019 ◽  
Vol 9 (41) ◽  
pp. 23986-23993 ◽  
Author(s):  
Huijie Wang ◽  
Xiaoxun Li ◽  
Kang Luan ◽  
Xilin Bai
Keyword(s):  
Liquid Bridge ◽  
Soft Lithography ◽  
Organic Molecules ◽  
Assembly Strategy ◽  
Micro Patterning ◽  
Capillary Liquid

An interface-induced dewetting assembly strategy based on capillary liquid bridge and SU-8 photoresist templates for patterning organic molecules and nanoparticles.

Modeling the rupture of a capillary liquid bridge between a sphere and plane

Soft Matter ◽  
2010 ◽  
Vol 6 (24) ◽  
pp. 6178 ◽  
Author(s):  
Li Yang ◽  
Yusong Tu ◽  
Haiping Fang
Keyword(s):  
Liquid Bridge ◽  
Capillary Liquid

The profile of a capillary liquid bridge between solid surfaces

2010 ◽  
Vol 78 (3) ◽  
pp. 277-286 ◽  
Author(s):  
J. W. van Honschoten ◽  
N. R. Tas ◽  
M. Elwenspoek
Keyword(s):  
Liquid Bridge ◽  
Solid Surfaces ◽  
Capillary Liquid

Micro-patterning of multiple organic molecules by laser implantation

2004 ◽  
Vol 79 (1) ◽  
pp. 157-160 ◽  
Author(s):  
M. Goto ◽  
J. Hobley ◽  
T. Oishi ◽  
A. Kasahara ◽  
M. Tosa ◽  
...  
Keyword(s):  
Organic Molecules ◽  
Micro Patterning

Improved Micro-Patterning of Soft-Polymers and Elastomers Using Conformally Coated Omni-Coat Nanofilms

2008 ◽  
Author(s):  
Feng Pan ◽  
John Lee ◽  
Alex Di Sciullo Jones ◽  
Adam Huang
Keyword(s):  
Soft Lithography ◽  
Structural Features ◽  
Nano Particles ◽  
Release Process ◽  
Conformal Coating ◽  
Micro Patterning ◽  
Wide Range ◽  
Hard Polymer ◽  
Lift Off ◽  
Soft Polymers

This paper describes the basic Direct Polymer Patterning On Substrate Technique (DPPOST) process and a modified process currently under development to provide higher robustness in the fabrication process, with the goal of achieving near 100% patterning yields. The patterning of soft-polymers and elastomers has gained interest in the last decade as the material of choice for lab-on-the chip applications; i.e., forming micro-fluidic and bio-reactor chambers. Recently, a lithographically compatible patterning method for soft-polymers and elastomers have been demonstrated by using SU-8® hard polymer resists as robust lift-off molds. This patterning technology, DPPOST, has the ability to form a wide range of structural features found in MEMS, from tens of millimeter structures to micrometer level resolutions. It has been used to embed nano-particles, such as carbon-black (∼45nm mean radius) and metal particles, and allows lithographic alignment of electrodes on micro-fluidic channels previously not possible with soft-lithography fabricated PDMS devices. The modified-DPPOST process uses conformal coating of Omnicoat™ nano-films to provide a barrier between the SU-8® and the patterned polymer, hence reducing stiction during the release process.

Micro patterning of hydroxyapatite by soft lithography on hydrogels for selective osteoconduction

2018 ◽  
Vol 81 ◽  
pp. 60-69 ◽  
Author(s):  
Ryuji Kiyama ◽  
Takayuki Nonoyama ◽  
Susumu Wada ◽  
Shingo Semba ◽  
Nobuto Kitamura ◽  
...  
Keyword(s):  
Soft Lithography ◽  
Micro Patterning

Capillary-bridge mediated assembly of aligned perovskite quantum dots for high-performance photodetectors

2019 ◽  
Vol 7 (20) ◽  
pp. 5954-5961 ◽  
Author(s):  
Zhigao Dai ◽  
Qingdong Ou ◽  
Chujie Wang ◽  
Guangyuan Si ◽  
Babar Shabbir ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Liquid Bridge ◽  
High Performance ◽  
Capillary Bridge ◽  
Assembly Strategy ◽  
Perovskite Quantum Dots

A liquid bridge induced assembly strategy to align perovskite QDs in one direction for high-performance photodetectors.

scholarly journals Simple Preparation of Polydimethylsiloxane and Polyurethane Blend Film for Marine Antibiofouling Application

Polymers ◽  
2021 ◽  
Vol 13 (14) ◽  
pp. 2242
Author(s):  
Jirasuta Chungprempree ◽  
Sutep Charoenpongpool ◽  
Jitima Preechawong ◽  
Nithi Atthi ◽  
Manit Nithitanakul
Keyword(s):  
Contact Angle ◽  
Polymer Film ◽  
Water Contact Angle ◽  
Bonding Strength ◽  
Soft Lithography ◽  
Water Contact ◽  
Pdms Film ◽  
Lithography Process ◽  
Micro Patterning ◽  
Marine Industry

A key way to prevent undesirable fouling of any structure in the marine environment, without harming any microorganisms, is to use a polymer film with high hydrophobicity. The polymer film, which was simply prepared from a blend of hydrophobic polydimethylsiloxane elastomer and hydrophilic polyurethane, showed improved properties and economic viability for antifouling film for the marine industry. The field emission scanning electron microscope and energy dispersive X-ray spectrometer (FESEM and EDX) results from the polymer blend suggested a homogenous morphology and good distribution of the polyurethane disperse phase. The PDMS:PU blend (95:5) film gave a water contact angle of 103.4° ± 3.8° and the PDMS film gave a water contact angle of 109.5° ± 4.2°. Moreover, the PDMS:PU blend (95:5) film could also be modified with surface patterning by using soft lithography process to further increase the hydrophobicity. It was found that PDMS:PU blend (95:5) film with micro patterning from soft lithography process increased the contact angle to 128.8° ± 1.6°. The results from a field test in the Gulf of Thailand illustrated that the bonding strength between the barnacles and the PDMS:PU blend (95:5) film (0.07 MPa) were lower than the bonding strength between the barnacles and the carbon steel (1.16 MPa). The barnacles on the PDMS:PU blend (95:5) film were more easily removed from the surface. This indicated that the PDMS:PU blend (95:5) exhibited excellent antifouling properties and the results indicated that the PDMS:PU blend (95:5) film with micro patterning surface could be employed for antifouling application.

scholarly journals Capillary liquid bridge and grain coarsening during liquid phase sintering

2017 ◽  
Vol 49 (1) ◽  
pp. 1-10
Author(s):  
Zoran Nikolic ◽  
Kazunari Shinagawa
Keyword(s):  
Liquid Bridge ◽  
Solid Phase ◽  
Model Simulation ◽  
Liquid Phase Sintering ◽  
Shape Distortion ◽  
Grain Coarsening ◽  
Interfacial Concentration ◽  
Ni Alloy ◽  
Set Of Points ◽  
Capillary Liquid

The finite element method is employed to simulate the microstructural evolution through grain coarsening within capillary liquid bridge. Liquid and solid phase domains will be represented with curved interfaces defined by the discrete set of points. Numerical method for simulation of grain coarsening will be based on the interfacial concentration as given by the Gibbs-Thomson equation and on modeling of intergrain diffusional interactions. It will be shown that the strong intergrain diffusional interactions can induce large shape distortion of multi grain model. Simulation of the grain coarsening for W-Ni alloy will be demonstrated as a first step.

Micro-Patterning of Polymers for High Resolution Microscopy Analysis

2001 ◽  
Vol 7 (S2) ◽  
pp. 128-129
Author(s):  
William Inglis ◽  
Martyn C. Davies ◽  
Clive J. Roberts ◽  
Saul J.B. Tendler ◽  
Philip M. Williams
Keyword(s):  
Optical Microscopy ◽  
Soft Lithography ◽  
Near Field ◽  
Contact Printing ◽  
Force Microscopy ◽  
Micro Patterning ◽  
Micro Pattern ◽  
Micro Array ◽  
Scanning Optical Microscopy ◽  
Microscopy Techniques

Micro-patterned surfaces are of interest in biology and chemistry due to the ability to confine functional sample materials to specific areas. If patterns are visible, either through optical microscopy, or topographically, with scanning probe microscopy, investigating samples in a manner that is cheap and accessible to most laboratories is possible. Examples include micropatterning cells in tissue engineering, and protein micro-array analysis. We have created a micro-patterned surface with tailored optical and topographic properties. These were investigated using the microscopy techniques, confocal microscopy (CM), atomic force microscopy (AFM) and near field scanning optical microscopy (NSOM). AFM and CM were used to investigate different aspects of the micro-pattern. to confirm the properties of the micro-pattern, we show the advantages of NSOM in investigating surfaces with both optical and topographic properties simultaneously. Micro-patterns were fabricated using a soft lithography technique, micro-contact printing, where reagents are ‘stamped’ upon substrates using an elastomeric moulding of a micro-template.

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