Abstract: The invention relates to a device and a method for continuous production of porous silicon layers (single or multiple layers) on workpieces made of silicon or workpieces with a silicon coating. The method according to the invention is thereby based on a one-sided etching method, the workpiece being guided horizontally, by means of a transport device, with the front side of the workpiece to be etched, past at least one etching chamber, comprising an electrolyte and a cathode. This method can be used in particular for the production of PV cells.
Type:
Grant
Filed:
September 29, 2014
Date of Patent:
September 29, 2020
Assignee:
Fraunhofer-Gesellscahft Zur Foerderung Der Angewandten Forschung E.V.
Inventors:
Stefan Reber, Stefan Lindekugel, Stefan Janz, Regina Pavlovic
Abstract: A system for generating an output image is provided. A first camera of a camera pair is configured to record a first portion of a scene to obtain a first recorded image. A second camera of the camera pair is configured to record a second portion of the scene to obtain a second recorded image. Moreover, a central camera is configured to record a further portion of the scene, to obtain a central image. A processor is configured to generate the output image. The first brightness range of the first camera of each camera pair is different from the central-camera brightness range and is different from the first brightness range of the first camera of any other camera pair of the one or more camera pairs.
Type:
Grant
Filed:
July 18, 2013
Date of Patent:
August 19, 2014
Assignee:
Fraunhofer-Gesellscahft zur Foerderung der angewandten Forschung e.V.
Inventors:
Marcus Wetzel, Joachim Keinert, Siegfried Foessel