Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9084296 | Induction heating coil and method for melting granules composed of semiconductor material | Ludwig Altmannshofer, Joerg Fischer, Helge Riemann | 2015-07-14 |
| 9005563 | Silicon wafer and method for producing it | Gudrun Kissinger, Dawid Kot | 2015-04-14 |
| 8906157 | Method for pulling a single crystal composed of silicon with a section having a diameter that remains constant | Thomas Schroeck, Claus Kropshofer | 2014-12-09 |
| 8834627 | Method for producing a single crystal composed of silicon by remelting granules | Ludwig Altmannshofer, Martin Wasner | 2014-09-16 |
| 8580033 | Method for producing a single crystal of semiconductor material | Ludwig Altmannshofer, Helge Riemann, Joerg Fischer | 2013-11-12 |
| 8454746 | Method for producing a single crystal composed of silicon using molten granules | Ludwig Altmannshofer | 2013-06-04 |
| 8241421 | Epitaxial wafer and production method thereof | Katsuhiko Nakai, Timo Mueller, Atsushi Ikari, Martin Weber | 2012-08-14 |
| 8231725 | Semiconductor wafers of silicon and method for their production | Andreas Sattler, Martin Weber, Walter Haeckl, Herbert Schmidt | 2012-07-31 |
| 8221550 | Process and apparatus for producing a single crystal of semiconductor material | — | 2012-07-17 |
| 8197594 | Silicon wafer for semiconductor and manufacturing method thereof | Katsuhiko Nakai, Sei Fukushima, Herbert Schmidt, Martin Weber | 2012-06-12 |
| 8172941 | Method and device for producing semiconductor wafers of silicon | Martin Weber, Herbert Schmidt | 2012-05-08 |
| 8043427 | Semiconductor wafers of silicon and method for their production | Andreas Sattler, Martin Weber, Walter Haeckl, Herbert Schmidt | 2011-10-25 |
| 8043929 | Semiconductor substrate and method for production thereof | Josef X. Brunner, Hiroyuki Deai, Atsushi Ikari, Martin Grassl, Atsuki Matsumura | 2011-10-25 |
| 7868325 | Semiconductor wafer of single crystalline silicon and process for its manufacture | — | 2011-01-11 |
| 7828893 | Silicon wafer and process for the heat treatment of a silicon wafer | Timo Mueller, Erich Daub, Peter Krottenthaler, Klaus Messmann, Friedrich Passek +3 more | 2010-11-09 |
| 7771530 | Process and apparatus for producing a silicon single crystal | Janis Virbulis, Erich Tomzig, Yuri Gelfgat, Lenoid Gorbunov | 2010-08-10 |
| 7708830 | Method and device for the production of a silicon single crystal, silicon single crystal, and silicon semiconductor wafers with determined defect distributions | Janis Virbulis, Martin Weber, Thomas Wetzel, Herbert Schmidt | 2010-05-04 |
| 7655089 | Process and apparatus for producing a single crystal of semiconductor material | — | 2010-02-02 |
| 7537657 | Silicon wafer and process for producing it | Christoph Seuring, Robert Hoelzl, Reinhold Wahlich | 2009-05-26 |
| 7470323 | Process for producing p-doped and epitaxially coated semiconductor wafers from silicon | Katsuhiko Nakai, Martin Weber, Herbert Schmidt, Atsushi Ikari | 2008-12-30 |
| 7417297 | Film or layer of semiconducting material, and process for producing the film or layer | Brian Murphy, Reinhold Wahlich, Rudiger Schmolke, James Moreland | 2008-08-26 |
| 7387676 | Process for producing silicon semiconductor wafers with defined defect properties, and silicon semiconductor wafers having these defect properties | Walter Haeckl, Andreas Huber, Ulrich Lambert | 2008-06-17 |
| 7335256 | Silicon single crystal, and process for producing it | Martin Weber, Herbert Schmidt, Janis Virbulis, Yuri Gelfgat, Leonid Gorbunov | 2008-02-26 |
| 7235863 | Silicon wafer and process for producing it | Christoph Seuring, Robert A. Holzl, Reinhold Wahlich | 2007-06-26 |
| 7052948 | Film or layer made of semi-conductive material and method for producing said film or layer | Brian Murphy, Reinhold Wahlich, Rudiger Schmolke, James Moreland | 2006-05-30 |