Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8657653 | Homogeneous polishing pad for eddy current end-point detection | William C. Allison, Ping Huang, Richard L. Frentzel, Alexander William Simpson | 2014-02-25 |
| 8628384 | Polishing pad for eddy current end-point detection | William C. Allison, Ping Huang, Richard L. Frentzel, Alexander William Simpson | 2014-01-14 |
| 8439994 | Method of fabricating a polishing pad with an end-point detection region for eddy current end-point detection | William C. Allison, Ping Huang, Richard L. Frentzel, Alexander William Simpson | 2013-05-14 |
| 6623337 | Base-pad for a polishing pad | Arthur Richard Baker, III, Tao Zhang | 2003-09-23 |