نتایج جستجو برای: pulsed pecvd
تعداد نتایج: 36207 فیلتر نتایج به سال:
Diamond-like carbon (DLC) coatings are recognized for a broad range of industrial applications due to their superior mechanical properties such as high hardness, low friction, and promising wear resistance. DLC commonly produced with physical vapour deposition (PVD) plasma-enhanced chemical (PECVD) methods. New markets emerging in electronics, biomedical, additive manufacturing textiles sectors...
The influence of diamond like carbon films properties on quantum efficiency of prepared transmission photocathodes has been investigated. DLC films were deposited on silicon substrate and stainless steel mesh by PECVD using methane, argon and hydrogen or deuterium gas mixtures. Photocathodes prepared with deuterated DLC film have higher quantum efficiency than photocathodes prepared with hydrog...
Micropatterning of surfaces with varying chemical, physical and topographical properties usually requires a number of fabrication steps. Herein, we describe a micropatterning technique based on plasma enhanced chemical vapour deposition (PECVD) that deposits both protein resistant and protein repellent surface chemistries in a single step. The resulting multifunctional, selective surface chemis...
We experimentally show vertically stacked, multi-layer, low-temperature deposited photonics for integration on processed microelectronics. Waveguides, microrings, and crossings are fabricated out of 400°C PECVD Si3N4 and SiO2 in a two layer configuration. Waveguide losses of ~1 dB/cm in the L-band are demonstrated using standard processing and without post-deposition annealing, along with verti...
In this research similar joining of NiTi shape memory alloy was studied. For this purpose, NiTi alloy in the form of wires with circular cross section possessing martensitic phase structure at room temperature was used. By utilizing Nd:YAG pulsed laser welding method followed by optimizing its technical parameters, a defectless joint in terms of appearance and metallurgical properties was obtai...
Background: Intense Pulsed Light (IPL) technology is one of our new measures in treating dermatologic disorders including undesirable skin pigmentation. In contrast with lentigines and freckling of the skin, few reports about nevus spilus treatment using intense pulsed light have been published. The aim of current study was to evaluate efficacy and safety of nevus spilus treatment with an inten...
introduction: granuloma faciale is an uncommon inflammatory dermatosis which usually affects the face and is often resistant to treatment. case report: a 39-year-old english lady with fitzpatrick skin phototype ii presented with typical lesions of granuloma faciale, confirmed on biopsy, on her cheeks and nose. treatment with scleroplus pulsed dye laser (candela corporation, wayland, mass) produ...
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