Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8906313 | Fluidized bed reactor systems | Puneet Gupta, Balaji Devulapalli, Jameel Ibrahim, Vithal Revankar, Kwasi Foli | 2014-12-09 |
| 8728574 | Methods for introducing a first gas and a second gas into a reaction chamber | Puneet Gupta, Balaji Devulapalli, Jameel Ibrahim, Vithal Revankar, Kwasi Foli | 2014-05-20 |
| 8673248 | Silicon material with controlled agglomerated point defects and oxygen clusters induced by the lateral surface | — | 2014-03-18 |
| 8551247 | Generating a pumping force in a silicon melt by applying a time-varying magnetic field | Hariprasad Sreedharamurthy, Harold W. Korb | 2013-10-08 |
| 8404206 | Methods for producing polycrystalline silicon that reduce the deposition of silicon on reactor walls | Puneet Gupta, Balaji Devulapalli, Jameel Ibrahim, Vithal Revankar, Kwasi Foli | 2013-03-26 |
| 8398765 | Controlling a melt-solid interface shape of a growing silicon crystal using an unbalanced magnetic field and iso-rotation | Hariprasad Sreedharamurthy, Richard G. Schrenker, Joseph C. Holzer, Harold W. Korb | 2013-03-19 |
| 8216362 | Controlling agglomerated point defect and oxygen cluster formation induced by the lateral surface of a silicon single crystal during CZ growth | — | 2012-07-10 |
| 8147613 | Crystal puller and method for growing a monocrystalline ingot | — | 2012-04-03 |
| 7878883 | Wire saw ingot slicing system and method with ingot preheating, web preheating, slurry temperature control and/or slurry flow rate control | Puneet Gupta, Carlo Zavattari, Roland R. Vandamme | 2011-02-01 |
| 7201800 | Process for making silicon wafers with stabilized oxygen precipitate nucleation centers | Luciano Mule'Stagno, Jeffrey L. Libbert, Richard J. Phillips, Mohsen Banan, Stephen J. Brunkhorst | 2007-04-10 |
| 7132091 | Single crystal silicon ingot having a high arsenic concentration | Mohsen Banan, Christopher Vaughn Luers | 2006-11-07 |
| 6808781 | Silicon wafers with stabilized oxygen precipitate nucleation centers and process for making the same | Luciano Mule'Stagno, Jeffrey L. Libbert, Richard J. Phillips, Mohsen Banan, Stephen J. Brunkhorst | 2004-10-26 |
| 6312517 | Multi-stage arsenic doping process to achieve low resistivity in silicon crystal grown by czochralski method | Mohsen Banan, Charles Whitmer | 2001-11-06 |
| 6294469 | Silicon wafering process flow | Ankur H. Desai | 2001-09-25 |