Alexander Christian
Alexander Christian Keller, Wendlingen/neckar DE
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20120248327 | Method and Arrangement for the Adjustment of Characteristics of a Beam Bundle of High-Energy Radiation Emitted from a Plasma - The invention is related to the adjustment of characteristics of a beam bundle of high-energy radiation emitted from a plasma, particularly for applications in semiconductor lithography. For acquiring and adjusting characteristics of a beam bundle of high-energy radiation emitted from a plasma and focused by means of collector optics, an intensity distribution of the radiation is acquired over the cross section of a convergent beam bundle in a measuring plane perpendicular to the optical axis in front of an intermediate focus of the collector optics, and intensity values are recorded in defined sectors for a quantity of reception regions of a measuring device which are aligned with different radii concentric to the optical axis, and measured quantities and control variables are determined from a comparison of the intensity values of different sectors for aligning the collector optics. | 10-04-2012 |
Alexander Christian Mueller, Mannheim DE
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20140058789 | PROCESS MODEL GENERATION AND WEAK-SPOT ANALYSIS FROM PLAIN EVENT LOGS - Various embodiments of systems and methods for process model extraction and weak-spot analysis from plain event logs are described herein. In an aspect, the method involves obtaining an event log that includes events grouped by process instances. Based on analyzing the event log a process graph is generated. In another aspect, one or more visual representations of the generated process graph, indicating the weak-spots, are generated. At least one of the one or more visual representations of the process model is rendered in response to receiving a selection of the at least one visual representation. In yet another aspect, the weak-spots are transformed into a data structure and provided as input to a rule mining algorithm for generating a set of rules defining the weak-spots. The set of rules received from the rule mining algorithm are rendered on a graphical user interface (GUI). | 02-27-2014 |
Alexander Christian Weber, Ostfildern DE
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20140113535 | Honing Tool - A honing tool for machining cylindrical bores has a tool body provided with a guide bore and a feed rod disposed in the guide bore. The tool body has a honing stone receptacle extending from the guide bore in a radial direction of the tool body outwardly through the tool body. A honing stone is arranged in the honing stone receptacle. A pin is disposed in the honing stone and projects laterally from the honing stone. An elongate spring is disposed in the tool body parallel to the honing stone, wherein the elongate spring element has a first end section, a central section, and a second end section opposite the first end section. The central section is guided across the pin and the first end section is secured in the radial direction in the tool body. | 04-24-2014 |