Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9499920 | Methods for producing rectangular seeds for ingot growth | Jihong John Chen, Susan S. Dwyer, Shawn Wesley Hayes, Dale A. Witte, Linda K. Swiney +1 more | 2016-11-22 |
| 9136185 | Methods and systems for grain size evaluation of multi-cystalline solar wafers | Gang Shi, Steven L. Kimbel, Robert H. Fuerhoff | 2015-09-15 |
| 9111745 | Methods for producing rectangular seeds for ingot growth | Jihong John Chen, Susan S. Dwyer, Shawn Wesley Hayes, Dale A. Witte, Linda K. Swiney +1 more | 2015-08-18 |
| 8309464 | Methods for etching the edge of a silicon wafer | Henry F. Erk, Peter Albrecht, Eugene R. Hollander, Judith A. Schmidt, Roland R. Vandamme +1 more | 2012-11-13 |
| 8192822 | Edge etched silicon wafers | Henry F. Erk, Peter Albrecht, Eugene R. Hollander, Judith A. Schmidt, Roland R. Vandamme +1 more | 2012-06-05 |
| 7323421 | Silicon wafer etching process and composition | Mark Stinson, Henry F. Erk, Guoqiang Zhang, Mick Bjelopavlic, Alexis Grabbe +3 more | 2008-01-29 |
| 5837662 | Post-lapping cleaning process for silicon wafers | Jing Chai, Henry F. Erk, Judith A. Schmidt | 1998-11-17 |