Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10684128 | Batch and continuous methods for evaluating the physical and thermal properties of films | Michael J. Ulsh, Przemyslaw Rupnowski, Guido Bender, Michael Penev, Jianlin Li +2 more | 2020-06-16 |
| 9234843 | On-line, continuous monitoring in solar cell and fuel cell manufacturing using spectral reflectance imaging | Przemyslaw Rupnowski, Michael J. Ulsh | 2016-01-12 |
| 8895416 | Semiconductor device PN junction fabrication using optical processing of amorphous semiconductor material | Anikara Rangappan | 2014-11-25 |
| 8796160 | Optical cavity furnace for semiconductor wafer processing | — | 2014-08-05 |
| 8780343 | Wafer screening device and methods for wafer screening | Przemyslaw Rupnowski | 2014-07-15 |
| 8735204 | Contact formation and gettering of precipitated impurities by multiple firing during semiconductor device fabrication | — | 2014-05-27 |
| 8006566 | Screening of silicon wafers used in photovoltaics | Peter Sheldon | 2011-08-30 |
| 7815862 | Wafer characteristics via reflectometry | — | 2010-10-19 |
| 7420669 | Optic probe for semiconductor characterization | Artak Hambarian | 2008-09-02 |
| 7238912 | Wafer characteristics via reflectometry and wafer processing apparatus and method | — | 2007-07-03 |
| 6852371 | Metal processing for impurity gettering in silicon | — | 2005-02-08 |
| 6275295 | Optical system for determining physical characteristics of a solar cell | — | 2001-08-14 |
| 6201261 | High efficiency, low cost, thin film silicon solar cell design and method for making | — | 2001-03-13 |
| 5897331 | High efficiency low cost thin film silicon solar cell design and method for making | — | 1999-04-27 |
| 5757474 | System for characterizing semiconductor materials and photovoltaic devices through calibration | Larry C. Allen, Craig Marshall, Robert Cornelius Murphy, Todd Steven Marshall | 1998-05-26 |
| 5639520 | Application of optical processing for growth of silicon dioxide | — | 1997-06-17 |
| 5581346 | System for characterizing semiconductor materials and photovoltaic device | — | 1996-12-03 |
| 5577157 | Optical processing furnace with quartz muffle and diffuser plate | — | 1996-11-19 |
| 5452396 | Optical processing furnace with quartz muffle and diffuser plate | — | 1995-09-19 |
| 5429985 | Fabrication of optically reflecting ohmic contacts for semiconductor devices | — | 1995-07-04 |
| 5426569 | Method and apparatus for simulating atomospheric absorption of solar energy due to water vapor and CO.sub.2 | — | 1995-06-20 |
| 5426061 | Impurity gettering in semiconductors | — | 1995-06-20 |
| 5406367 | Defect mapping system | — | 1995-04-11 |
| 5358574 | Dry texturing of solar cells | — | 1994-10-25 |
| 5304509 | Back-side hydrogenation technique for defect passivation in silicon solar cells | — | 1994-04-19 |