Patent application number | Description | Published |
20080202257 | Coriolis mass flowmeter with an oscillatable straight measuring tube - The disclosure relates to a Coriolis mass flowmeter with an oscillatable straight measuring tube consisting of a corrosion-resistant metal, in particular of titanium or a titanium alloy, to which are attached mounted parts connected directly to the measuring tube for the implementation of the Coriolis measurement principle. Furthermore, stabilizing elements running parallel to the measuring tube are coupled to the measuring tube via mounted parts connected directly to the measuring tube, the mounted parts and the stabilizing elements consisting of a metal other than that of the measuring tube. The stabilizing elements are manufactured from a second material which possesses a coefficient of thermal expansion adapted to the metal of the measuring tube. The mounted parts connected directly to the measuring tube are manufactured from a third material which possesses a higher coefficient of thermal expansion than the metal of the measuring tube. | 08-28-2008 |
20100005887 | VIBRATION-TYPE MEASURING DEVICE - A vibration-type measuring device includes an exciter arrangement which exerts a time-dependent force with at least one sinusoidal component at an adjustable excitation frequency on a measuring tube, through which a medium can flow, and causes the measuring tube to oscillate. The measuring device includes first and second sensors which are fitted to the measuring tube at different locations. The first and second sensors output first and second measurement signals, respectively. The measuring device includes an evaluation unit which determines a first phase shift between the first and second measurement signals and uses the determined phase shift to determine a measurement variable of the medium. The measuring device includes a phase comparator, which determines a second phase shift between the force and the average value of the first and second measurement signals, and a frequency generator which sets the excitation frequency on the basis of the second phase shift. | 01-14-2010 |
20100011882 | METHOD FOR OPERATING A VIBRATORY MEASURING INSTRUMENT, AND CORRESPONDING INSTRUMENT - A method for operation of a vibratory measurement instrument comprises flowing a fluid through at least one measurement tube; causing the measuring tube to oscillate mechanically using an oscillation production unit; detecting an oscillation behavior of the tube using at least one oscillation sensor; determining at least one of a mass flow, a viscosity, and a density in a narrowband frequency range based on the oscillation behavior; evaluating at least one of the mass flow, the viscosity, and the density using signal processing of an electronics unit; and evaluating the oscillation behavior at least at times in a broadband frequency range using the electronics unit. | 01-21-2010 |
20110186116 | METHOD FOR PRODUCING A SOLAR CELL HAVING A TWO-STAGE DOPING - Method for producing solar cells with a two-stage doping ( | 08-04-2011 |
20110214727 | METHOD FOR MANUFACTURING A SOLAR CELL WITH A TWO-STAGE DOPING - A method for manufacturing a solar cell via a two-stage doping includes the steps of forming an oxide layer, which can be penetrated by a first dopant, on at least one part of the surface of a solar cell substrate, forming an opening in the oxide layer in at least one high-doping region by removing the oxide layer in this high-doping region and diffusing the first dopant into the at least one high-doping region of the solar cell substrate through the opening. The first dopant is diffused into the solar cell substrate through the oxide layer. The diffusing-in through the openings and through the oxide layer takes place at the same time in a common diffusion step and the solar cell substrate is diffused in the common diffusion step in an at least partially hydrophilic state. | 09-08-2011 |
20130014819 | METHOD FOR DOPING A SEMICONDUCTOR SUBSTRATE, AND SOLAR CELL HAVING TWO-STAGE DOPINGAANM Teppe; AndreasAACI KonstanzAACO DEAAGP Teppe; Andreas Konstanz DEAANM Geiger; MatthiasAACI Neu-UlmAACO DEAAGP Geiger; Matthias Neu-Ulm DEAANM Schlosser; ReinholdAACI MuenchenAACO DEAAGP Schlosser; Reinhold Muenchen DEAANM Muenzer; AdolfAACI UnterschleissheimAACO DEAAGP Muenzer; Adolf Unterschleissheim DEAANM Schoene; JanAACI ReichenauAACO DEAAGP Schoene; Jan Reichenau DEAANM Isenberg; JoergAACI FreiburgAACO DEAAGP Isenberg; Joerg Freiburg DEAANM Kuehn; TinoAACI LeipzigAACO DEAAGP Kuehn; Tino Leipzig DEAANM Keller; SteffenAACI KonstanzAACO DEAAGP Keller; Steffen Konstanz DE - A method for doping a semiconductor substrate includes heating the semiconductor substrate by irradiation with laser radiation and at the same time diffusing dopant from a dopant source into the semiconductor substrate in heated regions. The semiconductor substrate is heated by the irradiation with laser radiation. A surface portion of the semiconductor substrate that is less than 10% of the total surface of all irradiated regions is melted and recrystallized. There is also provided a solar cell. | 01-17-2013 |
20130061924 | SOLAR CELL HAVING DIELECTRIC BACK REFLECTIVE COATING AND METHOD FOR THE PRODUCTION THEREOF - In a method for producing a solar cell, a layer stack of dielectric layers is applied to a back of a solar cell substrate and the layer stack is heated and is held at temperatures of at least 700° C. during a time period of at least 5 minutes. The novel solar cell has a layer stack of dielectric layers on its back. At least one of the dielectric layers of the layer stack is densified so that its resistivity to firing-through of pastes with glass components is enhanced. | 03-14-2013 |