Jorg Schulze

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concretely aiming at the efficient millimeter-wave power generation for monolithically integrated design, the smallsignal S-parameter characterization of the impact-ionization avalanche transit-time (IMPATT) diodes was presented in this work. By combining the measured S-parameter data both of the 40 x 2 μm2 IMPATT diode and different short ended coplanar(More)
A simple method using adsorption, heat desorption, and F.I.D. gas chromatography to determine ppb quantities of various organic vapors in air is described. Laboratory results with chemicals such as bischloromethyl ether, vinyl chloride monomer and volatile ketones are discussed.
A novel design approach for the centrifugal compressor blade is proposed in this paper. It is set up based on the offset theory and line geometry. The designed blade surface is represented as a tool path, which consists of two guide curves. It can be manufactured by flank milling method with a cylindrical cutter. The drive surface is a ruled surface that is(More)
This work investigates the impact of Sn segregation on the growth of Ge1−xSnx epi-layers using a reduced pressure chemical vapour deposition (RP-CVD) system with the common precursors Ge2H6 and SnCl4. The investigated samples were grown on top of a 1 µm thick relaxed Ge buffer layer with different amounts of Sn incorporation, achieved by increasing the(More)
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