Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10633765 | Method for maintaining contained volume of molten material from which material is depleted and replenished | Ralf Jonczyk, David Harvey | 2020-04-28 |
| 10072351 | Methods and apparati for making thin semi-conductor wafers with locally controlled regions that are relatively thicker than other regions and such wafers | Emanuel M. Sachs, Ralf Jonczyk, Adam L. Lorenz, G. D. Stephen Hudelson | 2018-09-11 |
| 9643342 | Apparati for fabricating thin semiconductor bodies from molten material | Emanuel M. Sachs, Eerik T. Hantsoo, Adam M. Lorenz, G. D. Stephen Hudelson, Ralf Jonczyk | 2017-05-09 |
| 8696810 | Selected methods for efficiently making thin semiconductor bodies from molten material for solar cells and the like | Eerik T. Hantsoo, G. D. Stephen Hudelson, Ralf Jonczyk, Adam M. Lorenz, Emanuel M. Sachs | 2014-04-15 |
| 8628992 | Methods to pattern diffusion layers in solar cells and solar cells made by such methods | Andrew Gabor | 2014-01-14 |
| 8293007 | Removable thermal control for ribbon crystal pulling furnaces | David Harvey, Weidong Huang, Scott Reitsma, Christine Richardson | 2012-10-23 |
| 8293009 | Methods for efficiently making thin semiconductor bodies from molten material for solar cells and the like | Emanuel M. Sachs, Eerik T. Hantsoo, Adam M. Lorenz, G. D. Stephen Hudelson, Ralf Jonczyk | 2012-10-23 |
| 7842270 | Ribbon crystal having reduced wetting string | Christine Richardson, Weidong Huang, Daniel Doble, Scott Reitsma | 2010-11-30 |
| 7780782 | Method and apparatus for growing a ribbon crystal with localized cooling | Weidong Huang, David Harvey, Scott Reitsma | 2010-08-24 |
| 7651768 | Reduced wetting string for ribbon crystal | Christine Richardson, Weidong Huang, Daniel Doble, Scott Reitsma | 2010-01-26 |
| 7507291 | Method and apparatus for growing multiple crystalline ribbons from a single crucible | — | 2009-03-24 |
| 7232484 | Method and apparatus for doping semiconductors | Mary Cretella | 2007-06-19 |
| 7022180 | Method and apparatus for growing multiple crystalline ribbons from a single crucible | — | 2006-04-04 |
| 7001455 | Method and apparatus for doping semiconductors | Mary Cretella | 2006-02-21 |
| 6814802 | Method and apparatus for growing multiple crystalline ribbons from a single crucible | — | 2004-11-09 |
| 6217649 | Continuous melt replenishment for crystal growth | Emanuel M. Sachs, Jennifer Martz | 2001-04-17 |
| 6200383 | Melt depth control for semiconductor materials grown from a melt | Richard C. Krauchune | 2001-03-13 |
| 6090199 | Continuous melt replenishment for crystal growth | Emanuel M. Sachs, Jennifer Martz | 2000-07-18 |