نتایج جستجو برای: silicon containing membrane
تعداد نتایج: 783331 فیلتر نتایج به سال:
This work presents a novel method based on the micromachined acoustic wave sensor for evaluating silicon membrane thickness. Like pressure sensors, accelerometers, micro flow sensors and micropumps, many micro-electro-mechanical systems (MEMS) devices require that silicon membrane thickness be known exactly. Precisely controlling silicon membrane thickness during wet etching is important, becau...
This paper describes the development of a polyimide/SU-8 catheter-tip MEMS gauge pressure sensor. Finite element analysis was used to investigate critical parameters, impacting on the device design and sensing characteristics. The sensing element of the device was fabricated by polyimide-based micromachining on a flexible membrane, using embedded thin-film metallic wires as piezoresistive eleme...
Solar energy is a pure and reproducible energy. China has paid more consideration to the investigation employment of solar The focuses on phenomenon PID capability degradation inactivation mediums for instance alumina/silicon nitride in transparent silicon high-efficiency cells. Through laboratorial effect individual in-activation membrane processes damping behavior, it found that deposition ap...
Steels containing sufficient concentrations of silicon tend to form a low melting temperature oxide called fayalite, which then penetrates both the steel and any other oxide to form a mechanical key. As a consequence, routine descaling operations fail to remove all traces of FeO that remain attached to the final product and oxidise to form a red oxide blemish on the surface. The formation of ox...
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