Q-CELLS SE Patent applications |
Patent application number | Title | Published |
20130003248 | SUBSTRATE LIFTING METHOD AND SUBSTRATE LIFTING DEVICE - A method for picking up a substrate includes leading an electrostatic holder to the substrate, applying an electrical voltage having a first voltage value to the electrostatic holder in such a way that the substrate is accelerated in the direction of the electrostatic holder, and reducing the voltage applied to the electrostatic holder to a second voltage value, the absolute value of which is lower than the first voltage value. | 01-03-2013 |
20120318351 | SOLAR CELL HAVING A SPECIAL BUSBAR SHAPE, SOLAR CELL ARRANGEMENT CONTAINING SAID SOLAR CELL, AND METHOD FOR PRODUCING THE SOLAR CELL - A solar cell includes a substrate, a semiconductor layer, a first busbar, and a second busbar. Along a connecting line, the first busbar has contact pads which have a maximum width b | 12-20-2012 |
20120318347 | ANTIREFLECTION COATING AS WELL AS SOLAR CELL AND SOLAR MODULE THEREWITH - An antireflection coating for a solar cell includes at least a first SiN | 12-20-2012 |
20120266947 | SOLAR CELL AND METHOD FOR PRODUCING A SOLAR CELL - The invention relates to a solar cell that comprises a planar semiconductor substrate with a front and a back; a multitude of holes that interconnect the front and the back; and current-collecting electrical contacts that are exclusively arranged on the back. The front comprises highly doped regions and lightly doped regions of a first type such that in each case the holes are situated in a highly doped region or adjoin such a region. According to a first aspect of the invention, the highly doped regions are arranged locally around the holes. According to a second aspect of the invention, the front comprises at least one region without holes, and the highly doped regions comprise one region or several regions that extends/extend to the at least one hole-free region. The invention furthermore relates to methods for manufacturing such solar cells. | 10-25-2012 |
20120204930 | THIN-LAYER SOLAR MODULE HAVING IMPROVED INTERCONNECTION OF SOLAR CELLS AND METHOD FOR THE PRODUCTION THEREOF - A thin-layer solar module includes a plurality of interconnected solar cells, having in the order indicated the layers (a) a substrate | 08-16-2012 |
20120167980 | SOLAR CELL - The invention relates to a solar cell with a semiconductor wafer comprising a light incidence facing front side with a base electrode, which is connected to a base layer of the semiconductor wafer, and a front side opposite to the back side with an emitter electrode, which is connected to an emitter structure of the semiconductor wafer, characterized by that the emitter structure comprises a front side emitter layer arranged on the front side of the semiconductor wafer. | 07-05-2012 |
20120111402 | SOLAR CELL AND SOLAR CELL PRODUCTION METHOD - A solar cell includes a semiconductor substrate, a rear side passivation layer arranged on a light-remote rear side surface of the substrate, a covering layer arranged on the rear side passivation layer, and a metallization layer arranged on the covering layer. The covering layer has a protective layer section facing the rear side passivation layer and a contact layer section facing the metallization layers. The contact layer section has a higher refractive index than the protective layer section | 05-10-2012 |
20120091566 | SEMICONDUCTOR APPARATUS AND METHOD OF FABRICATION FOR A SEMICONDUCTOR APPARATUS - The invention relates to a semiconductor apparatus and a method of fabrication for a semiconductor apparatus, whereby the semiconductor apparatus includes a semiconductor layer and a passivation layer arranged on a surface of the semiconductor layer and serving for passivating the semiconductor layer surface, whereby the passivation layer comprises a chemically passivating passivation sublayer and a field-effect-passivating passivation sublayer, which are arranged one above the other on the semiconductor layer surface. | 04-19-2012 |
20120042941 | Back-Side Contact Solar Cell - A back-side contact solar cell has a semiconductor layer ( | 02-23-2012 |
20120042925 | Solar Cell String And Solar Module Equipped With Such Solar Cell String - A solar cell string contains a solar cell ( | 02-23-2012 |
20120032310 | Production Process For A Semi-Conductor Device And Semi-Conductor Device - A process for producing a semiconductor device comprises the following process steps: provision of a semiconductor substrate ( | 02-09-2012 |
20110308602 | SOLAR CELL, SOLAR CELL MANUFACTURING METHOD AND TESTING METHOD - A solar cell includes a semiconductor substrate and an antireflection layer arranged on the light incidence side on the front-side surface of a semiconductor substrate. The antireflection layer has a limit voltage of less than 10 volts, less than 5 volts, or less than 3 volts, along a layer thickness of the antireflection layer. | 12-22-2011 |
20110308581 | SOLAR CELL - A solar cell includes a semiconductor layer, a collecting layer for collecting free charge carriers from the semiconductor layer and a buffer layer which is arranged between the semiconductor layer and the collecting layer. The buffer layer is designed as a tunnel contact between the semiconductor layer and the collecting layer. The buffer layer essentially includes a material with a surface charge density of at least 10 | 12-22-2011 |
20110290318 | Semiconductor Device, In Particular Solar Cell - A semiconductor device, in particular a solar cell, comprises a semiconductor substrate having a semiconductor substrate surface and a passivation composed of at least one passivation layer which surface-passivates the semiconductor substrate surface, wherein the passivation layer comprises a compound composed of aluminium oxide, aluminium nitride or aluminium oxynitride and at least one further element. | 12-01-2011 |
20110284064 | SOLAR CELL - A solar cell includes a semiconductor layer with first doping, an inducing layer arranged on the semiconductor layer and an inversion layer or accumulation layer which due to the inducing layer is induced underneath the inducing layer in the semiconductor layer. The inducing layer includes a material with a surface charge density of at least 10 | 11-24-2011 |
20110250039 | MODULAR CARRIER - The invention relates to a modular carrier for receiving, storing and transporting thin planar workpieces/semi-finished products, such as wafers for photovoltaic elements, in vertical positions that are parallel to each other and uniformly spaced. This problem is solved by a modular design of the carrier. The required components are combined into three modules. The first module is the groove plate having the horizontal support arranged beneath in an angled shape. The second module is formed by the two U-shaped end plates. The third module comprises the spacer rods, which are arranged between said two U-shaped end plates and of which two in each case receive a groove plate at the top and the bottom. The groove plates and the spacer rods are used at the length L, wherein the length L is uniformly graduated. In this way, the carrier can be produced in the length L or n×L, with n always being an integer. Two groove plates are always arranged parallel to each other, with opposing grooves being located on a straight line. The distance of said grooves among each other is so large that a thin planar workpiece/semi-finished product can be easily inserted. The workpiece/semi-finished product rests against the support surface. | 10-13-2011 |
20100139746 | SOLAR CELL DEVICE, SOLAR CELL MODULE, AND CONNECTOR DEVICE - A solar cell device includes a solar cell with a semiconductor having at least one p-doped region and at least one n-doped region. Electrical p-contacts and n-contacts on the back of the solar cell are connected to correspondingly doped regions of the semiconductor. At least one p-busbar is connected to the electrical p-contacts and at least one n-busbar is connected to the electrical n-contacts. The busbars collect current of the electrical contacts and form a direction of longitudinal extension and a connection arrangement providing an electrically conductive connection of at least one busbar of the solar cell to at least one busbar of an adjacent solar cell. The connection arrangement includes at least one first connection section extending essentially perpendicular to the direction of longitudinal extension of the busbars, which connection section, by way of connection regions, is connected in a point-like manner with at least one busbar. | 06-10-2010 |
20100071758 | SOLAR CELL AND METHOD FOR PRODUCING A SOLAR CELL - The invention relates to a solar cell that comprises a planar semiconductor substrate with a front and a back; a multitude of holes that interconnect the front and the back; and current-collecting electrical contacts that are exclusively arranged on the back. The front comprises highly doped regions and lightly doped regions of a first type such that in each case the holes are situated in a highly doped region or adjoin such a region. According to a first aspect of the invention, the highly doped regions are arranged locally around the holes. According to a second aspect of the invention, the front comprises at least one region without holes, and the highly doped regions comprise one region or several regions that extends/extend to the at least one hole-free region. The invention furthermore relates to methods for manufacturing such solar cells. | 03-25-2010 |