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In order to calculate and measure the influence of the internal-power-dependent thermally effected feedback in power amplifiers with bipolar transistors, a calculation method and measurement… (More)
By means of an electrochemical peeling technique the self-diffusion coefficients in 99.99% gold single crystals were determined at 285.9, 299.6, 321.0, 349.7, and 411.7°C. Assuming a linear… (More)
A phased array antenna element which provides good circular polarization over a broad sector of coverage in an array environment has been designed and evaluated. The concept is the superposition of… (More)
In order to evaluate the influence of the internal power dependent thermally effected feedback in bipolar transistors, a model for SPICE simulation is proposed which considers several variable… (More)
Reaction of 3-(propyltrimethoxysilyl)acetylacetone with Ti(OiPr)4 results in new single-source precursors for dispersed silica–titania mixed-metal oxides with low titania crystallization tendencies.
This paper shows the suitabilily of i-line photolithography for production at 0.30 tm. The process performance is demonstrated through the use of off-axis illumination, high NA projection lens, and… (More)
The morphology of gels prepared from a silica/titania single-source precursor (1), obtained by reaction of 3-oxoethyl-6-trimethoxysilyl-hexan-2-one with Ti(OiPr)4, was investigated by small-angle… (More)