نتایج جستجو برای: thin film coatings

تعداد نتایج: 207102  

Journal: :Small 2008
Thad Druffel Natalia Mandzy Mahendra Sunkara Eric Grulke

Thin film metal oxide coatings have been used commercially as electromagnetic filters from the UV to infrared regions for over half a century. Deposition onto a substrate has typically been accomplished using vapor deposition techniques and more recently sol–gel methods. These coatings provide very good optical and mechanical performance when applied to substrates with similar thermal and mecha...

Journal: :Optics express 2014
Emmett E Perl William E McMahon John E Bowers Daniel J Friedman

The successful development of multijunction photovoltaic devices with four or more subcells has placed additional importance on the design of high-quality broadband antireflection coatings. Antireflective nanostructures have shown promise for reducing reflection loss compared to the best thin-film interference coatings. However, material constraints make nanostructures difficult to integrate wi...

2017
Javier Del Hoyo Manuel Quijada

The advancement of far-ultraviolet (FUV) coatings is essential to meet the specified throughput requirements of the Large UV/Optical/IR (LUVOIR) Surveyor Observatory which will cover wavelengths down to the 100 nm range. The biggest constraint in the optical thin film coating design is attenuation in the Lyman-Alpha Ultraviolet range of 100-130 nm in which conventionally deposited thin film mat...

2015
Hungyen Lin Yue Dong Yaochun Shen J Axel Zeitler

Spectral domain optical coherence tomography (OCT) has recently attracted a lot of interest in the pharmaceutical industry as a fast and non-destructive modality for quantification of thin film coatings that cannot easily be resolved with other techniques. Because of the relative infancy of this technique, much of the research to date has focused on developing the in-line measurement technique ...

1999
G. Harris Q. Ma D. R. Walters

Thin film coatings are used to reduce the generation of secondary electrons at the ends of the Advanced Photon Source (APS) rf cavity tuners because these electrons result in increased temperatures on the tuner. To improve the film properties over the existing evaporated titanium film, a magnetron-sputtered film of titanium nitride has been developed that is both harder and adheres more strongl...

2012
G. Covarel B. Bensaid X. Boddaert S. Giljean P. Benaben P. Louis

The mechanical properties of interfaces and more precisely the adhesion are of great importance to understand the reliability of thin film devices. Organic thin film transistors (OTFT) on flexible substrate are a new class of electronic components. Since these devices are flexible and intended for different fields of application like sensors and displays, they will undergo a lot of mechanical a...

2007
Murat Yuksel Tansel Karabacak Hasan Guclu

Thin film coatings have been essential in development of several micro and nano-scale devices. To realize thin film coatings various deposition techniques are employed, each yielding surface morphologies with different characteristics of interest. Therefore, understanding and control of the surface growth is of great interest. In this paper, we devise a novel network-based modeling of the growt...

2008
Alexander Brown

The Energy Recovery Linac (ERL) at Cornell University will require the use of thin film coatings for purposes of achieving Ultra High Vacuum (UHV). At this point, various pipe coatings have been widely used in the field of particle accelerator physics. The vacuum properties of pipe coatings are well documented and have given rise to its popularity in the field. A Non-Evaporable Getter (NEG) coa...

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