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For designers of high temperature superconducting equipment with liquid nitrogen as a dielectric, an expedient universal curve is sought that provides breakdown strength for a specified class of electrode shapes, with any practical sizes of electrodes and gap; thus the universal curve fills in missing experimental data. Universal breakdown strength curves at pressures of or slightly above 100 kPa,...
For designers of high temperature superconducting equipment with liquid nitrogen as a dielectric, an expedient universal curve is sought that incorporates area/volume effects for each member of a specified class of electrode shapes, thus providing the breakdown field of all such liquid nitrogen gaps with any practical sizes of electrodes and gap. Currently a single universal curve for breakdown strength...
The potential of bulk silicon with classical gate oxides and poly silicon gate electrodes has not come to its end yet. This paper discusses the possibility to produce conventional MOS-Transistors on bulk silicon in the deep sub-50 nm-region with extreme low demands to the used substrate and process equipment. A process that uses a modified local oxidation of silicon technique with low and high frequency...
We discuss the most important basics of ac (40 kHz) S-Gun reactive sputtering technology we have developed to produce highly c-axis oriented AlN films on Mo electrodes. We have demonstrated that AlN deposition in a poison mode enables producing films with perfect crystallinity in a wide range of process parameters. XRD measurements have shown that FWHM of AlN (002) diffraction peak has explicit correlation...
The effect of a dc uniform electric field on the behaviour of bubbles in liquid nitrogen such as their growth, deformation and departure frequency has been experimentally investigated. The experiment was performed using a stainless steel mesh-plate electrode. The experimental results show that (1) prolate spherical bubbles are formed in the direction of electric field and bubble deformation increases...
Although the gassing of electrical oils under stress has been studied for many years and discussed by a number of authors (1–4, 6–8, 10,11), there appears to be no general agreement as to test methods nor even as to the influence of some of the major test variables. Recent work of Basseches and co-workers indicates that various free-radical reagents will greatly reduce the gassing of paraffinic oils...
It is well known that electrical insulation may be damaged by corona generated when the system is subjected to extreme voltages. We investigated the effects of corona on conventional, high-pressure polyethylene as a part of our program of basic research on electrical insulation for possible use in high voltage cable.
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