نتایج جستجو برای: sputter etching

تعداد نتایج: 18291  

Journal: :Coatings 2022

In–situ cleaning of the substrate surface by ion etching is an integral part all physical vapor deposition (PVD) processes. However, in industrial systems, some side effects occur during process that can cause re-contamination. For example, a magnetron sputtering system with several sputter sources and holder located centered between them, causes contamination unshielded target surfaces batchin...

2011
J. Hüpkes H. Zhu J. I. Owen G. Jost E. Bunte

Texture etched zinc oxide is often used as transparent front contact for silicon thin film solar cells. Reactive sputtering is a potentially low-cost process. However, process stability, film uniformity, and reproducibility are challenges to be solved. Oscillations of the control signal and subsequent reaction of the plasma emission control with moving substrates from rotatable metallic targets...

Journal: :Micromachines 2015
Marco Laurenti Denis Perrone Alessio Verna Candido F. Pirri Alessandro Chiolerio

In this work we report on the fabrication process for the development of a flexible piezopolymeric transducer for health monitoring applications, based on lead-free, piezoelectric zinc oxide (ZnO) thin films. All the selected materials are compatible with the space environment and were deposited by the RF magnetron sputtering technique at room temperature, in view of preserving the total flexib...

2017
Ana Sofia Ramos Lukasz Maj Jerzy Morgiel Maria Teresa Vieira Luís Reis Santos

Self-healing materials are able to partially or completely reverse the damage inflicted on them. The possibility of self-healing mechanical and chemical failures that occur during service will improve the lifetime and reliability of structural materials. For this purpose, two main steps must be considered: (i) detection, and (ii) repairing (healing) of cracks. The exothermic character of reacti...

2011
Shin Takeda Jiang Guo Shinya Morita Marek Bartkowiak Uwe Filges Tobias Panzner Kazuto Yamauchi Kazuya Yamamura Hidekazu Mimura M. Nagano F. Yamaga D. Yamazaki R. Maruyama H. Hayashida K. Soyama K. Yamamura

An aspherical supermirror is one of the most useful neutron-focusing optics. We aim to develop multiple aspherical supermirror devices using high-precision figured aspherical focusing supermirrors to focus neutron beams with high intensities, because multiple mirrors collect a very large beam divergence. Thin mirrors with a millimeter thickness are required to minimize the absorption loss of in...

Journal: :journal of dental research, dental clinics, dental prospects 0
arezoo jahanbin associate professor of orthodontics, faculty of dentistry, mashhad university of medical sciences, mashhad, iran mohammad basafa professor of orthodontics, faculty of dentistry, mashhad university of medical sciences, mashhad, iran mostafa moazzami associate professor of restorative dentistry, dental research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iran behnoush basafa dentist, mashhad, iran neda eslami assistant professor of orthodontics,dental research center, mashhad university of medical sciences

background and aims. the aim of this study was to evaluate the effect of different etching times on enamel color stability after immediate versus delayed exposure to colored artificial saliva (cas). materials and methods. human first premolars were divided into five groups of twenty. a colorimeter was used according to the cie system on the mid-buccal and mid-lingual surfaces to evaluate initia...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی شهید صدوقی یزد - دانشکده دندانپزشکی 1387

چکیده ندارد.

2011
D. Depla S. Mahieu J. E. Greene

Sputter deposition is a widely used technique to deposit thin films on substrates. The technique is based upon ion bombardment of a source material, the target. Ion bombardment results in a vapor due to a purely physical process, i.e. the sputtering of the target material. Hence, this technique is part of the class of physical vapor deposition techniques, which includes, for example, thermal ev...

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