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43 Newest Publications about the topic vacuum systems

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All‐Solution‐Processed Transparent Thin Film Transistor and Its Application to Liquid Crystals Driving

22-Apr-2013 | Kwang‐Ho Lee, Sang‐Mook Kim, Huisu Jeong, Yusin Pak, Hui Song, Jeongpil Park, Keon‐Hee Lim, Jae‐Hoon Kim, Youn Sang ..., Advanced Materials, 2013

All‐solution‐processed transparent thin film transistors (TTFTs) are demonstrated with silver grid source/drain electrodes, which are fabricated by printing and subsequent silver nanoparticles solution coating, which allows for continuous processing without using high vacuum systems. The silver ...

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Electron stimulated desorption from the 316 L stainless steel as a function of impact electron energy

01-Apr-2013 | Oleg B. Malyshev, Rebecca M. A. Jones, Benjamin T. Hogan, and Adrian Hannah, Journal of Vacuum Science & Technology B, 2013

The electron stimulated desorption (ESD) yields of vacuum chamber wall materials are required as one of the important input parameters in the design of vacuum systems for particle accelerators and many other vacuum systems where energetic electrons hit vacuum chamber walls. In the present study, ...

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Simple Si(111) surface preparation by thin wafer cleavage

06-Feb-2013 | William Paul, Yoichi Miyahara, and Peter H. Grutter, Journal of Vacuum Science & Technology B, 2013

We describe a simple method to obtain clean Si(111)2 × 1 surfaces with large terrace sizes, up to tens of microns, using commonly available wafers. The sample geometry and cleavage method make it possible to produce semiconductor samples in ultra-high vacuum systems: that are not explicitly ...

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Optik braucht Vakuum

04-Feb-2013 | Thomas Rietmann, Sophie Gottschall, Christoffer Sahib, Michael Flämmich, Ute Bergner, Vakuum in Forschung und Praxis, 2013

Abstract Eine Vielzahl von Anwendungen in der Hochtechnologie verwenden optische Signale, optische Informationen oder Laserstrahlung im Vakuum. Diese Sinale müssen oftmals in ein Vakuum hinein oder aus einem Vakuum heraus überführt werden. Dieser Artikel stellt die Anforderungen und ...

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Characterization of alkali metal dispensers and non-evaporable getter pumps in ultrahigh vacuum systems for cold atomic sensors

09-Oct-2012 | David R. Scherer, David B. Fenner, and Joel M. Hensley, Journal of Vacuum Science & Technology B, 2012

A glass ultrahigh vacuum chamber with rubidium alkali metal dispensers and nonevaporable getter pumps has been developed and used to create a cold atomic sample in a chamber that operates with only passive vacuum pumps. The ion-mass spectrum of evaporated gases from the alkali metal dispenser has ...

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Degassing a vacuum system with in-situ UV radiation

21-Sep-2012 | Sean R. Koebley, Ronald A. Outlaw, and Randy R. Dellwo, Journal of Vacuum Science & Technology B, 2012

Photon-stimulated desorption (PSD) from a high-powered ultraviolet source was investigated as a technique to degas a vacuum system. A stainless steel vacuum system was pumped down from atmosphere with different time doses of 185 nm light, and the resulting outgassing rates were compared to that ...

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Advancement of isotope separation for the production of reference standards

12-Sep-2012 | K. P. Carney, J. J. Horkley, C. A. McGrath, A. J. Edwards, J. E. Davies, G. C. Knighton, J. D. Sommers, J. J. Giglio, Journal of Radioanalytical and Nuclear Chemistry, 2012

Idaho National Laboratory (INL) operates a mass separator that is currently producing high purity isotopes for use as internal standards for high precision isotope dilution mass spectrometry (IDMS). In 2008, INL began the revival of the vintage 1970s era instrument. Advancements thus far include ...

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Transferability of solution processed epitaxial Ga:ZnO films; tailored for gas sensor and transparent conducting oxide applications

18-Jul-2012 | Moe Kevin; Wee Hong Tho; Ghim Wei Ho, Journal of Materials Chemistry, 2012

Problems associated with the costly production of Ga doped ZnO (Ga:ZnO) related to high-quality epitaxial films, which can only be grown on a lattice-matched single-crystal substrate using a vacuum system, have limited its wide-scale commercial applications. Moreover, for many practical ...

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Optimization of Gating System Design for Die Casting of Thin Magnesium Alloy-Based Multi-Cavity LCD Housings

17-Jan-2012 | B. D. Lee, U. H. Baek, J. W. Han, Journal of Materials Engineering and Performance, 2012

High-pressure die casting is the preferred process for manufacturing Mg-alloy components used for numerous applications. High-pressure die casting is suitable for mass production and has the advantage of also being suitable for accurately fashioning objects of complicated shapes. One disadvantage ...

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Status and description of the vacuum system of the Technological Storage Ring Complex

24-Dec-2011 | A. M. Semenov, V. V. Anashin, N. F. Goncharova, V. A. Ushakov, A. V. Filipchenko, L. M. Shchegolev, Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques, 2011

The status and description of the vacuum system of the Technological Storage Ring Complex of synchrotron radiation source in Zelenograd (Moscow, Russia) are presented.

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