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A planer micro-strip to waveguide transition structure is given in this paper. Coupled patch on the bottom of the substrate is excited by the micro-strip feed-line on the top, which realizes the transformation from the TE10 mode in the waveguide to the quasi-TEM mode on the micro-strip line. Modeling and simulation of the structure are conducted for the design by using electromagnetic simulation software...
In this paper, a millimeter-wave transition from waveguide to microstrip is proposed. A rectangular patch element in the short-terminated waveguide is analyzed by the FEM software. The analysis points out that the rectangular patch has optimum sizes which can broad the pass-band of this structure. a prototype transition exhibits an insertion loss of 0.5 dB from 34Ghz to 36GHz, and a bandwidth of 7%...
Processes to produce active-matrix backplanes on plastic substrates have been developed utilizing a-Si:H, multi-component oxide, and organic semiconductor technologies. The suitability of these technologies for future flat panel display applications is discussed. Of these material systems multi-component oxides exhibit highest field-effect mobilities (10cm2/Vs for zinc tin oxide demonstrated), followed...
In this work, the influence of self-doping during epitaxy was discussed, and a back-sealed technology was introduced to fabricate the thick P-type epitaxial films of high resistivity by controlling the self-doping from the heavily-doped P-type substrates with resistivity less than 0.02Omegacm on PE-2061S. Based on investigation of the processing parameters of epitaxial growth, a simplified model describing...
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