SCHOTT SOLAR AG Patent applications |
Patent application number | Title | Published |
20160102888 | ABSORBER TUBE - An absorber tube is provided that includes a metal tube, a glass sleeve tube surrounding the metal tube, and a glass-metal transition element is disposed on at least one end. The metal tube and the transition element can be moved relative to one another in the longitudinal direction and connected to one another by an expansion compensating device. An inner end of the expansion compensating device is fastened to an attachment element, which is connected to the transition element. An outer end of the expansion compensating device is fastened to the metal tube. An annular space section of the annular space is constructed between the transition and attachment elements. The attachment element has an annular disc on which the expansion compensating device is fastened. The absorber tube has at least one shielding device that has a first annular disc-shaped section disposed on at least one end in the annular space. | 04-14-2016 |
20150311356 | CRYSTALLINE SOLAR CELL AND METHOD FOR PRODUCING THE LATTER - A method for producing a crystalline solar cell having a p-doped silicon substrate with an n-doped region on the front side and also at least one antireflection layer is provided. The method includes uniformly applying a solution containing phosphoric acid to the entire front-side surface of the solar cell, forming phosphosilicate glass in a first thermal treatment step applied to the solar cell, and, in the first thermal treatment step or a subsequent thermal treatment step, forming silicon-containing precipitates near the surface with a homogeneous or substantially homogeneous surface coverage in a layer on the front-side surface of the substrate in the range of between 5% and 100%. | 10-29-2015 |
20140318613 | SOLAR CELL - A solar cell is provided that includes a semiconductor substrate with a front-side contact and a rear-side contact. The front-side contact includes contact fingers running parallel to one another and at least one busbar running transversely with respect thereto. A connector runs along the busbar and is cohesively connected thereto. In order to avoid cracking in the event of forces acting on the connector, the busbar includes sections that have soldering edges and over which the connector extends. | 10-30-2014 |
20140299182 | METHOD FOR PRODUCING A SOLAR CELL - A method for producing an MWT-PERC solar cell is provided, in which openings in the substrate of the solar cell have contact passages and emitter regions that are present on the back side of the solar cell are completely removed outside the contact passages and a dielectric layer is applied on the back side, whereby a paste, which does not act in an electrically contacting manner opposite the substrate, is used for the contact passages. | 10-09-2014 |
20140000698 | METHOD FOR PRODUCING ELECTRICALLY CONDUCTIVE CONTACTS ON SOLAR CELLS, AND SOLAR CELL | 01-02-2014 |
20130280898 | METHOD FOR FORMING A DOPANT PROFILE - A method is provided for forming a dopant profile based on a surface of a wafer-like semiconductor component with phosphorus as a dopant. The method includes the steps of applying a phosphorus dopant source onto the surface, forming a first dopant profile with the dopant source that is present on the surface, removing the dopant source, and forming a second dopant profile that has a greater depth in comparison to the first dopant profile. In order to form an optimized dopant profile, the dopant source is removed after forming the first dopant profile, and precipitates that are crystallized selectively on or in the surface from the precipitates Si | 10-24-2013 |
20130255772 | METHOD FOR THE WET-CHEMICAL ETCHING BACK OF A SOLAR CELL EMITTER - A method for the wet-chemical etching of a highly doped silicon layer in an etching solution is provided. The method includes using, as an etching solution so as to perform etching homogeneously, an HF-containing etching solution containing at least one oxidizing agent selected from the group of peroxodisulfates, peroxomonosulfates, and hydrogen peroxide. | 10-03-2013 |
20130228220 | METHOD FOR THE WET-CHEMICAL ETCHING OF A HIGHLY DOPED SEMICONDUCTOR LAYER - A method for the wet-chemical etching of a silicon layer in an alkaline etching solution is provided, where the silicon layer is the surface region of a solar cell emitter. The method ensures that the surface region of the emitter is etched-back homogeneously using an oxidant-free alkaline etching solution comprising at least one organic moderator is used for the isotropic etching back of the surface region of the emitter, where the moderator has a dopant concentration of at least 10 | 09-05-2013 |
20130228166 | ABSORBER TUBE - An absorber tube for solar collectors is provided. The absorber tube comprises a metal tube for carrying and heating a heat transfer medium, a sleeve tube enclosing the metal tube for forming an annular space that can be evacuated, a first container disposed in the annular space and filled with protective gas, an outer ring, and a transition element enclosing the metal tube for sealing off the annular space. The first container includes an outlet opening closed by a closure material, which releases the outlet opening under external actuation for introducing the protective gas into the annular space. The external actuation is applied by an opening unit that is activated for releasing the outlet openings. The first container is fixed in the annular space by a retaining device, which is on the outer ring and/or on the transition element. | 09-05-2013 |
20130220420 | METHOD FOR THE WET-CHEMICAL ETCHING BACK OF A SOLAR CELL EMITTER - A method for the wet-chemical etching of a solar cell emitter is provided. The method performs homogeneous etching using an alkaline etching solution containing at least one oxidizing agent selected from the group consisting of peroxodisulphates, peroxomonosulphates and hypochlorite. | 08-29-2013 |
20120305056 | SOLAR CELL MODULE - The invention relates to a solar cell module comprising electrically interconnected solar cells with front and backs, a transparent first layer running along the front sides, which is covered on the front laterally by a transparent cover, as well as a second layer running along the backsides, which is covered at the back by a second cover. In order to prevent and/or minimize a potential-induced reduction to a large extent and/or obtain an improved stability vis-à-vis thermo-cycling, it is suggested that first layer consists of a first polymer material and the second layer consists of a second polymer material deviating from the first polymer material and the fact that specific resistance is larger p | 12-06-2012 |
20120211003 | ABSORBER TUBE AND METHOD FOR THE REVERSIBLE LOADING AND UNLOADING OF A GETTER MATERIAL - An absorber tube, especially for solar collectors in solar thermal power plants with at least one collector mirror, is provided. The absorber tube includes a metal tube for supplying and heating a heat transfer medium, a sheath tube surrounding the metal tube to form an annular space that can be evacuated, a wall extending through the sheath tube and the metal tube to seal the annular space, and a getter material binding free hydrogen in the annular space. The absorber tube has a temperature variation device that changes the temperature of the getter material and the wall. | 08-23-2012 |
20120199178 | RAW MODULE FOR PRODUCING A THIN-FILM SOLAR MODULE, AND THIN-FILM SOLAR MODULE - A raw module is provided that includes a substrate, a front electrode layer, a semiconductor layer, and a rear electrode layer. The layers are separated by structuring trenches into sub cells, which are electrically connected in series in an interconnection direction. The module has a first separating region separating the module into two sub modules along a first separating line running in the interconnection direction. The separating region includes: a first and a second isolation trench running parallel to one another and on both sides of the first separating line in the interconnection direction; a third isolation trench extending from the first isolation trench at least as far as the first separating line but not as far as the second isolation trench; and a fourth isolation trench extending from the second isolation trench at least as far as the separating line but not as far as the first isolation trench. | 08-09-2012 |
20120186576 | ABSORBER PIPE - An absorber pipe for solar collectors is provided. The absorber pipe includes a metal pipe for and a cladding pipe surrounding the metal pipe to form an annular space that can be evacuated. The absorber pipe can include a wall extending between the cladding pipe and the metal pipe for sealing the annular space and a retaining device for a getter material or a container filled with getter material or inert gas. The retaining device has a receiving section for receiving the getter material or the container. The retaining device is fastened to the wall. The absorber pipe can alternately include a getter material disposed in the annular space for binding free hydrogen present in the annular space and a reflector disposed in the annular space for reflecting radiation. The reflector has a housing with a support section for fastening and protecting the getter material from the radiation. | 07-26-2012 |
20120180851 | CRYSTALLINE SOLAR CELL, METHOD FOR PRODUCING SAID TYPE OF SOLAR CELL AND METHOD FOR PRODUCING A SOLAR CELL MODULE - A crystalline solar cell is provided that includes a front-sided n-doped area and a rear-sided p-doped area, a front-sided contact, a rear-sided contact and at least one front-sided first layer made from SiN. In order to reduce degradation of the parallel resistance, a second layer made of at least one material selected from the group SiN, SiOx, Al2Ox, SiOxNy:Hz, a-Si:H, TiOx or containing said type of material is disposed between the first layer and the n-doped area and is then doped for forming imperfections. | 07-19-2012 |
20110309555 | METHOD FOR THE SOLIDIFICATION OF A NON-METAL MELT - A method is proposed for the solidification of a non-metal melt ( | 12-22-2011 |
20110266876 | POWER SUPPLY SYSTEM AND PHOTOVOLTAIC DEVICE THEREFOR - A power supply system (SYS) and a photovoltaic device (PVE) intended therefor and comprising a plurality of DC voltage-generating photovoltaic modules (PVM) are proposed, wherein the photovoltaic modules (PVM) for generating a DC voltage (Udc*) exceeding the withstand voltage or dialectric strength (Umodmax) of the photovoltaic modules (PVM) and suitable for the high-voltage DC transmission are connected in parallel or in series to one another, wherein the power supply system (SYS) comprises a converter substation (UFS) that can be connected to a power supply network (SVN) installed for users, and includes a high-voltage DC transmission power line (HGUE) so as to transmit in the high voltage range the DC voltage (Udc*) generated by the photovoltaic device (PVE) to the converter substation (UFS). | 11-03-2011 |
20110204126 | METHOD AND APPARATUS FOR APPLYING SOLDER TO A WORK PIECE - The invention concerns a method and an apparatus for the application of solder onto a work piece, wherein the solder is soldered on at a soldering temperature T | 08-25-2011 |
20110201196 | METHOD FOR PRODUCING A METAL CONTACT ON A SEMICONDUCTOR SUBSTRATE PROVIDED WITH A COATING - A method for producing an electrically conducting metal contact on a semiconductor component having a coating on the surface of a semiconductor substrate. In order to keep transfer resistances low while maintaining good mechanical strength, the invention proposes applying a particle-containing fluid onto the coating, where the particles contain at least metal particles and glass frits, curing the fluid while simultaneously forming metal areas in the substrate through heat treatment, removing the cured fluid and the areas of the coating covered by the fluid, and depositing, for the purposes of forming the contact without using intermediate layers, electrically conducting material from a solution onto areas of the semiconductor component in which the coating is removed while at the same time conductively connecting the metal areas present in said areas on the substrate. | 08-18-2011 |
20110183524 | METHOD FOR CHEMICALLY TREATING A SUBSTRATE - A method for chemically treating a disc-shaped substrate having a bottom surface, a top surface and side surfaces by contacting a process medium that is fluid-chemically active with at least the bottom surface of the substrate. The substrate is moved relative to the process medium while forming a triple line between the substrate, the substrate medium and the atmosphere surrounding the substrate and medium. In order to chemically remove errors, particularly in the side surfaces, relative motion should be carried out while avoiding a contacting of the process medium with the top surface of the substrate, where the triple line is formed at a desired height of the side surface facing away from the process medium flow side in relation to the relative motion between the substrate and the process medium. In this way, the atmosphere can be adjusted in relation to the partial pressures of the components in the process medium such that the top surface preserves hydrophobic characteristics. | 07-28-2011 |
20110165726 | METHOD AND ARRANGEMENT FOR PRODUCING A FUNCTIONAL LAYER ON A SEMICONDUCTOR COMPONENT - A method for producing at least one functional layer on at least one region of a surface of a semiconductor component by applying a liquid to at least the one region, where the functional layer has a layer thickness d | 07-07-2011 |
20110132451 | SOLDER SUPPORTING LOCATION FOR SOLAR MODULES AND SEMICONDUCTOR DEVICE - A soldered connection between an outer surface of a semiconductor device, connected to a substrate by means of an adhesive layer, and a connector in the form of a strip. In order that tensile forces acting on the connector do not cause the semiconductor device to become detached from the substrate or the adhesive layer, it is proposed that a supporting location extends from the outer surface of the semiconductor device, which supporting location is formed of solderable material and makes contact with the outer surface by way of a contact surface A, in or on which the connector is soldered while maintaining a distance a from the outer surface where a≧10μ; and/or that the distance b between the edge of the contact surface between the supporting surface and the outer surface and the entry of the connector into the supporting location or the beginning of contact therebetween is b≧50μ. | 06-09-2011 |
20110065231 | PROCESS FOR PRODUCING A CONTACT AREA OF AN ELECTRONIC COMPONENT - A process for forming at least one local contact area of a substrate of an electrical component for contacting the contact area with a connector, in which the substrate, on the contact side, is provided with a sintered porous metal layer. To make available a mechanically durable, electrically faultless solderable contact area, it is proposed that the porous layer be compacted and/or removed in the contact area to be formed. | 03-17-2011 |
20110030236 | Procedure for increasing the long-term stability of transport aids - The invention is related to a procedure for the heat treatment of semiconductor elements, which are fed through a process chamber in the continuous-flow procedure. With it, ceramic transport aids used for the transport of the semiconductor elements demonstrate a clearly better long-term mechanical stability compared with known procedures; it is proposed that at least, by way of example, one specific humid atmosphere be adjusted in the process chamber. | 02-10-2011 |
20100186813 | Photovoltaic module - For fastening the contact strip ( | 07-29-2010 |