نتایج جستجو برای: thin film coatings
تعداد نتایج: 207102 فیلتر نتایج به سال:
A Workshop was held on the subject of Thin Film Thermal Conductivity Measurement as part of the Thirteenth Symposium on Thermophysical Properties at the University of Colorado in Boulder CO, June 25-26, 1997. The purpose of this Workshop was to provide a forum for producers and users of thermal properties data to discuss the unique problems associated with measuring the thermal conductivities o...
Two problems of technological importance for microelectromechanical systems ~MEMS! and microelectronics industry are addressed: fatigue of thin films and nanoscale film cracking. A device is described that can ~1! conduct biaxial fatigue tests on thin films and ~2! be utilized to study fracture patterns in nanoscale coatings under biaxial stress state. Thin-film specimens, in the form of circul...
New and optimized metal-oxide thin films for both transparent-conductor and antireflection coatings have the potential to significantly improve photovoltaic devices. One approach to this task of discovery and improvement is to use a parallel optimization, i.e., a combinatorial, approach. Using internal seed funds, we have developed the initial deposition, characterization and analysis tools nec...
Coatings and thin film materials are employed in many different industrial fields for decades, mainly for protective purposes. This large experience provokes that, currently, a wide variety of technologies for both preparation and characterization are available. Particularly, focusing on energy and environmental applications, three main film types can be distinguished: (1) materials with cataly...
Thin polymer films are playing an increasing role in technological applications such as lithographic resist layers, barrier layers, electronic packaging, and optical coatings. As a result, it is becoming apparent that confined polymers can display subtle or even dramatic differences in their physical properties when compared to the same polymers in the bulk state. Understanding these difference...
The most known methods of pulsed thin film deposition such as magnetron sputtering HIPIMS, laser PLD, vacuum arc deposition, high-intensity ion beams HIPIB, well, were described and analysed. It was shown that the stream material, generated by means a action, impacts to substrate creates preconditions for nanocrystalline amorphous coating manufacture with superhigh hardness.
Environmental stability studies for thin-film coating materials employed on the upgraded OMEGA laser system are essential for defining acceptable air humidity levels and their control, as well as for facilitating proper thin-film coating design of long-term-use OMEGA laser optics. Moisture penetration into porous, dielectric thin-film coatings causes generally undesirable changes in the film's ...
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