We show a theoretically electromagnetic induction method to detect the changes of fluid volume into an organic tissue. This method is technique to detect a phase shift through measurements of induced electrical currents due a RF signal. This method was designed for volumetric brain edema monitoring. Circular and planar magnetron coils were evaluated and compared for their ability to detect edem...

a cylindrical direct current magnetron sputtering coater with two targets for deposition of multilayer thin films and cermet solar selective surfaces has been constructed. the substrate holder was able to rotate around the target for obtaining the uniform layer and separated multilayer phases. the al/ cu multilayer film was deposited on the glass substrate at the following conditions: working g...

Present paper reports on the results of surface modification of the additively manufactured porous Ti6Al4V scaffolds. Radio frequency (RF) magnetron sputtering was used to modify the surface of the alloy via deposition of the biocompatible hydroxyapatite (HA) coating. The surface morphology, chemical and phase composition of the HA-coated alloy were studied. It was revealed that RF magnetron sp...

A new microwave tube design, suitable for application in microwave ovens, is described. It is a development of the basic planar magnetron in which the cathode and anode are two annuli and the magnetic field is radial. Potential advantages over existing designs are: higher power density, higher efficiency, easier tuning, the probability of reduced harmonics, and lower manufacturing costs. The wo...

Anatase TiO2 thin films were deposited in a d.c. reactive magnetron sputtering system. It was found that there is a strong dependence between anatase-rutil structures of TiO2 films and the technological conditions, the most relevant parameter being the oxygen percentage from the argon and oxygen mixture. Our measurements carried out for electrical properties of d.c. magnetron sputtering TiO2 th...

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The magnetrons used in microwave ovens operate on the same frequency band as Wi-Fi equipment, and the radiation they release can interfere with the operation of wireless networks. This paper presents a multiphysics simulation of a magnetron using CST STUDIO SUITE®, with the aim of testing the electrical, magnetic, thermal and mechanical characteristics of a low-interference magnetron design. Th...

We analyze the motion of an electron in the crossed electromagnetic field of the planar magnetron. Numerically we calculate the parameters of cycloid along which electron moves. We determine the total power of radiation of an electron moving in the magnetron and the power spectrum generated by a single electron and by the system of N electrons moving coherently in the electromagnetic field of p...

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TomoTherapy Quality Assurance (TQA) is a software package developed to monitor certain aspects of machine performance. In this study, the TQA quantities or data trends most effective in monitoring energy drifts and magnetron stability were determined respectively. This retrospective study used data collected from three TomoHD units. The TQA modules investigated were Step-Wedge Helical, Step-Wed...