Nanofabrication

Marrian, C. R. K.; Tennant, D. M.

doi:10.1116/1.1600446

Cited by 155 publications

(98 citation statements)

References 59 publications

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“…Developments in techniques for investigating and manipulating such flow configurations have been driven by recent advances in micro-fabrication techniques allowing the cheap and reliable manufacture of geometries with micron-scale feature resolution (Quake and Scherer, 2000;Ng et al, 2002;Marrian and Tennant, 2003) combined with the trend of miniaturization in the biotechnology, manufacturing and chemical processing industries. Common microfluidic device applications include coating flows, formation of suspensions, emulsions and foams, heat transfer and flows in lab-on-a-chip devices (Obot, 2002;Hansen and Quake, 2003;Stone et al, 2004;Squires and Quake, 2005).…”

Section: P R E P R I N T 1 Introductionmentioning

confidence: 99%

Microfluidic rheometry

Pipe¹,

McKinley²

2009

Mechanics Research Communications

226

161

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The development and growth of microfluidics has stimulated interest in the behaviour of complex liquids in microscale geometries and provided a rich platform for rheometric investigations of non-Newtonian phenomena at small scales. Microfluidic techniques present the rheologist with new opportunities for material property measurement and this review discusses the use of microfluidic devices to measure bulk rheology in both shear and extensional flows. Capillary, stagnation and contraction flows are presented in this context and developments, limitations and future perspectives are examined.

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Section: P R E P R I N T 1 Introductionmentioning

confidence: 99%

Microfluidic rheometry

Pipe¹,

McKinley²

2009

Mechanics Research Communications

226

161

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“…Presently, a structure like that in Fig. 1 can be made from metals like gold, nickel, copper, and aluminum with the smallest features with tens of nanometers, and structures like the cavity walls can be made with high aspect-ratios [24,25]. Consequently, the small dimensions of the cavities pose no problem if they are kept above a few tens of nanometers.…”

Section: Casimir Energy and Forcesmentioning

confidence: 99%

“…Presently, by means of electron beam lithography a precision in the level of 1.3 nm has been obtained for the fabrication of MEMS and NEMS [28]. However, most usual techniques are not that accurate and a precision at the level of 10 nm is most likely to be found in an experiment [24]. As a first approximation the ACF could also receive the same correction expressed in Eq.…”

Section: Conductivity Roughness and Temperature Correctionsmentioning

confidence: 99%

Repulsive Casimir forces produced in rectangular cavities: possible measurements and applications

Gusso

Schmidt

2006

Braz. J. Phys.

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We perform a theoretical analysis of a setup intended to measure the repulsive (outward) Casimir forces predicted to exist inside of perfectly conducting rectangular cavities. We consider the roles of the conductivity of the real metals, of the temperature and surface roughness. The possible use of this repulsive force to reduce friction and wear in micro and nanoelectromechanical systems (MEMS and NEMS) is also considered.

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“…According to Liddle et al [234], cost-effective nanomanufacturing requires metrology that costs proportionally less than products produced per square meter. In the analysis by Liddle et al areal throughput is related to feature size through Tennant's Law [235], T = αL 5 , where T is areal throughput in μm 2 /h, L is feature length scale in nm, and α is the scaling factor that holds approximately over a wide range of nanomanufacturing technologies. Aside from ES, the smallest feature size produced has been achieved by scanning tunneling lithography (STL), which affords extremely low areal throughput.…”

Section: Fabrication Of Organic Micro-and Nanofiber Semiconductor Symentioning

confidence: 99%

Electrospinning for nano- to mesoscale photonic structures

et al. 2016

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Abstract:The fabrication of photonic and electronic structures and devices has directed the manufacturing industry for the last 50 years. Currently, the majority of small-scale photonic devices are created by traditional microfabrication techniques that create features by processes such as lithography and electron or ion beam direct writing. Microfabrication techniques are often expensive and slow. In contrast, the use of electrospinning (ES) in the fabrication of microand nano-scale devices for the manipulation of photons and electrons provides a relatively simple and economic viable alternative. ES involves the delivery of a polymer solution to a capillary held at a high voltage relative to the fiber deposition surface. Electrostatic force developed between the collection plate and the polymer promotes fiber deposition onto the collection plate. Issues with ES fabrication exist primarily due to an instability region that exists between the capillary and collection plate and is characterized by chaotic motion of the depositing polymer fiber. Material limitations to ES also exist; not all polymers of interest are amenable to the ES process due to process dependencies on molecular weight and chain entanglement or incompatibility with other polymers and overall process compatibility. Passive and active electronic and photonic fibers fabricated through the ES have great potential for use in light generation and collection in optical and electronic structures/ devices. ES produces fiber devices that can be combined with inorganic, metallic, biological, or organic materials for novel device design. Synergistic material selection and postprocessing techniques are also utilized for broad-ranging applications of organic nanofibers that span from biological to electronic, photovoltaic, or photonic. As the ability to electrospin optically and/or electronically active materials in a controlled manner continues to improve, the complexity and diversity of devices fabricated from this process can be expected to grow rapidly and provide an alternative to traditional resource-intensive fabrication techniques.

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Nanofabrication

Cited by 155 publications

References 59 publications

Microfluidic rheometry

Microfluidic rheometry

Repulsive Casimir forces produced in rectangular cavities: possible measurements and applications

Electrospinning for nano- to mesoscale photonic structures

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