| 10202704 |
Side feed system for Czochralski growth of silicon ingots |
William L. Luter, Verlin A. Lauher, Howard P. Zinschlag, Neil Middendorf, David Dubiel |
2019-02-12 |
| 9051659 |
Silicon single crystal doped with gallium, indium, or aluminum |
John P. DeLuca, Frank S. Delk, II, Bayard K. Johnson, William L. Luter, Neil Middendorf +2 more |
2015-06-09 |
| 8434511 |
Retractable and expandable water cooled valve gate useful for sealing a hot processing chamber |
William L. Luter |
2013-05-07 |
| 6609870 |
Granular semiconductor material transport system and process |
Howard VanBooven, Jimmy D. Kurz, Timothy J. Kulage |
2003-08-26 |
| 6435474 |
Non-contaminating gas-tight valve for semiconductor applications |
Treaf Andrus, Timothy J. Kulage, Ken Harrell |
2002-08-20 |
| 5935328 |
Apparatus for use in crystal pulling |
Carl F. Cherko, Harold W. Korb, Richard G. Schrenker |
1999-08-10 |
| 5762491 |
Solid material delivery system for a furnace |
William L. Luter |
1998-06-09 |
| 5582642 |
Apparatus and method for adjusting the position of a pull wire of a crystal pulling machine |
Harold W. Korb, Richard G. Schrenker, Verlin A. Lauher |
1996-12-10 |