Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9153728 | Ion implanted solar cells with in situ surface passivation | Vijay Yelundur, Vinodh Chandrasekaran, Preston Davis, Ben Damiani | 2015-10-06 |
| 8945976 | Method for making solar cell having crystalline silicon P—N homojunction and amorphous silicon heterojunctions for surface passivation | Daniel L. Meier | 2015-02-03 |
| 8921968 | Selective emitter solar cells formed by a hybrid diffusion and ion implantation process | Vijay Yelundur, Preston Davis, Vinodh Chandrasekaran, Ben Damiani | 2014-12-30 |
| 8110431 | Ion implanted selective emitter solar cells with in situ surface passivation | Vijay Yelundur, Vinodh Chandrasekaran, Preston Davis, Ben Damiani | 2012-02-07 |
| 8076175 | Method for making solar cell having crystalline silicon P-N homojunction and amorphous silicon heterojunctions for surface passivation | Daniel L. Meier | 2011-12-13 |
| 8071418 | Selective emitter solar cells formed by a hybrid diffusion and ion implantation process | Vijay Yelundur, Preston Davis, Vinodh Chandrasekaran, Ben Damiani | 2011-12-06 |
| 7842596 | Method for formation of high quality back contact with screen-printed local back surface field | Vichai Meemongkolkiat | 2010-11-30 |
| 7790574 | Boron diffusion in silicon devices | Dong-Seop Kim, Kenta Nakayashiki, Brian Rounsaville | 2010-09-07 |
| 7741225 | Method for cleaning a solar cell surface opening made with a solar etch paste | Vichai Meemongkolkiat | 2010-06-22 |
| 6429546 | Systems and methods for preventing islanding of grid-connected electrical power systems | Michael Ropp, Miroslav Begovic | 2002-08-06 |
| 5972784 | Arrangement, dopant source, and method for making solar cells | Thomas W. Krygowski | 1999-10-26 |
| 5766964 | Processes for producing low cost, high efficiency silicon solar cells | Parag Doshi, John Keith Tate, Jose Saul Antonio Mejia, Zhizhang Chen | 1998-06-16 |
| 5521839 | Deep level transient spectroscopy (DLTS) system and method | William Alan Doolittle | 1996-05-28 |
| 5510271 | Processes for producing low cost, high efficiency silicon solar cells | Zhizhang Chen, Parag Doshi | 1996-04-23 |
| 5508610 | Electrical conductivity tester and methods thereof for accurately measuring time-varying and steady state conductivity using phase shift detection | Robert K. Feeney, David R. Hertling | 1996-04-16 |
| 5495170 | Time varying electrical conductivity tester using frequency discrimination and power detector and methods thereof | Robert K. Feeney, David R. Hertling | 1996-02-27 |
| 5462898 | Methods for passivating silicon devices at low temperature to achieve low interface state density and low recombination velocity while preserving carrier lifetime | Zhizhang Chen | 1995-10-31 |
| 5418019 | Method for low temperature plasma enhanced chemical vapor deposition (PECVD) of an oxide and nitride antireflection coating on silicon | Zhizhang Chen | 1995-05-23 |
| 4522657 | Low temperature process for annealing shallow implanted N+/P junctions | Prosenjit Rai-Choudhury, Joseph R. Gigante, Ranbir Singh, Stephen J. Fonash | 1985-06-11 |