Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8968533 | Electroplating processor with geometric electrolyte flow path | Randy Harris, Daniel J. Woodruff, Gregory J. Wilson, Paul R. McHugh | 2015-03-03 |
| 6921468 | Electroplating system having auxiliary electrode exterior to main reactor chamber for contact cleaning operations | Lyndon Graham, Kyle M. Hanson, Thomas Ritzdorf | 2005-07-26 |
| 6776892 | Semiconductor plating system workpiece support having workpiece engaging electrode with pre-conditioned contact face | Thomas Ritzdorf | 2004-08-17 |
| 6599412 | In-situ cleaning processes for semiconductor electroplating electrodes | Lyndon Graham, Thomas Ritzdorf | 2003-07-29 |
| 6454926 | Semiconductor plating system workpiece support having workpiece-engaging electrode with submerged conductive current transfer areas | Thomas Ritzdorf, Robert W. Berner | 2002-09-24 |
| 6270647 | Electroplating system having auxiliary electrode exterior to main reactor chamber for contact cleaning operations | Lyndon Graham, Kyle M. Hanson, Thomas Ritzdorf | 2001-08-07 |
| 6099712 | Semiconductor plating bowl and method using anode shield | Thomas Ritzdorf, Lyndon Graham | 2000-08-08 |