Issued Patents All Time
Showing 51–75 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7215424 | Broadband ellipsometer or polarimeter system including at least one multiple element lens | Martin M. Liphardt, Blaine D. Johs, Jeffrey S. Hale, Steven E. Green, Ping He +1 more | 2007-05-08 |
| 7193708 | Time efficient method for investigating sample systems with spectroscopic electromagnetic radiation | — | 2007-03-20 |
| 7193710 | Rotating or rotatable compensator spectroscopic ellipsometer system including multiple element lenses | Blaine D. Johs, Martin M. Liphardt, Jeffrey S. Hale, Steven E. Green, Ping He +1 more | 2007-03-20 |
| 7158231 | Spectroscopic ellipsometer and polarimeter systems | John A. Woollam, Blaine D. Johs, Ping He, Martin M. Liphardt, Galen L. Pfeiffer | 2007-01-02 |
| 7151605 | Methodology for providing good data at all wavelengths over a spectroscopic range | Steven E. Green, Ronald A. Synowicki, James D. Welch | 2006-12-19 |
| 7136162 | Alignment of ellipsometer beam to sample surface | Martin M. Liphardt, Brian D. Guenther, Steven E. Green, Galen L. Pfeiffer, Ping He | 2006-11-14 |
| 7075649 | Discrete polarization state rotatable compensator spectroscopic ellipsometer system, and method of calibration | Blaine D. Johs, Steven E. Green, Jeffrey S. Hale | 2006-07-11 |
| 7057717 | System for and method of investigating the exact same point on a sample substrate with at least two wavelengths | Martin M. Liphardt, Blaine D. Johs, Ping He, Christopher A. Goeden, John A. Woollam +1 more | 2006-06-06 |
| 6982792 | Spectrophotometer, ellipsometer, polarimeter and the like systems | John A. Woollam, Steven E. Green, Ping He, Blaine D. Johs, Galen L. Pfeiffer +2 more | 2006-01-03 |
| 6950182 | Functional equivalent to spatial filter in ellipsometer and the like systems | Martin M. Liphardt, Blaine D. Johs, Ping He | 2005-09-27 |
| 6940595 | Application of spectroscopic ellipsometry to in-situ real time fabrication of multiple layer alternating high/low refractive index filters | Blaine D. Johs, Jeffrey S. Hale, John A. Woollam | 2005-09-06 |
| 6937341 | System and method enabling simultaneous investigation of sample with two beams of electromagnetic radiation | John A. Woollam, Galen L. Pfeiffer, Daniel W. Thompson, Blaine D. Johs | 2005-08-30 |
| 6930813 | Spatial filter source beam conditioning in ellipsometer and the like systems | Martin M. Liphardt, Blaine D. Johs, Ping He, James D. Welch | 2005-08-16 |
| 6831740 | Methodology for improving precision of data acquired by spectrophotometer systems | Steven E. Green, Ronald A. Synowicki | 2004-12-14 |
| 6822738 | Spectroscopic rotating compensator ellipsometer system with pseudo-achromatic retarder system | Blaine D. Johs | 2004-11-23 |
| 6804004 | Multiple-element lens systems and methods for uncorrelated evaluation of parameters in parameterized mathematical model equations for lens retardance, in ellipometry and polarimetry | Blaine D. Johs, Ping He, Martin M. Liphardt | 2004-10-12 |
| 6795184 | Odd bounce image rotation system in ellipsometer systems | Steven E. Green, Blaine D. Johs | 2004-09-21 |
| 6549282 | Methods for uncorrelated evaluation of parameters in parameterized mathematical model equations for lens retardance, in ellipsometry and polarimetry systems | Blaine D. Johs, Ping He, Martin M. Ciphardt | 2003-04-15 |
| 6483586 | Beam splitting analyzer means in rotating compensator ellipsometer | Blaine D. Johs, Steven E. Green, Jeffrey S. Hale | 2002-11-19 |
| 6455853 | Determination of thickness and impurity profiles in thin membranes utilizing spectorscopic data obtained from ellipsometric investigation of both front and back surfaces | Thomas E. Tiwald | 2002-09-24 |
| 6456376 | Rotating compensator ellipsometer system with spatial filter | Martin M. Liphardt, Blaine D. Johs, Ping He | 2002-09-24 |
| 6441902 | Method for evaluating sample system anisotropic refractive indices and orientations thereof in multiple dimensions | James N. Hilfiker, Corey L. Bungay | 2002-08-27 |
| 6353477 | Regression calibrated spectroscopic rotating compensator ellipsometer system with pseudo-achromatic retarder system | Blaine D. Johs | 2002-03-05 |
| 6141102 | Single trianglular shaped optical retarder element for use in spectroscopic ellipsometer and polarimeter systems | Blaine D. Johs, Steven E. Green | 2000-10-31 |
| 6137618 | Compact, high extinction coefficient combination brewster angle and other than brewster angle polarizing system, and method of use | — | 2000-10-24 |