Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8957306 | Multijunction solar cell with two step diffusion region in substrate | Mark A. Stan, Nein-Yi Li, Frank A. Spadafora, Hong Q. Hou, Paul R. Sharps | 2015-02-17 |
| 8859886 | Method of fabricating a multijunction solar cell | Mark A. Stan, Nein-Yi Li, Frank A. Spadafora, Hong Q. Hou, Paul R. Sharps | 2014-10-14 |
| 7709287 | Method of forming a multijunction solar cell structure with a GaAs/AIGaAs tunnel diode | Daniel Aiken, Mark A. Stan | 2010-05-04 |
| 7629240 | Controlling dopant diffusion in a semiconductor region | Mark A. Stan, Nein-Yi Li, Frank A. Spadafora, Hong Q. Hou, Paul R. Sharps | 2009-12-08 |
| 7553691 | Method and apparatus of multiplejunction solar cell structure with high band gap heterojunction middle cell | Daniel Aiken, Mark A. Stan | 2009-06-30 |
| 7339109 | Apparatus and method for optimizing the efficiency of germanium junctions in multi-junction solar cells | Mark A. Stan, Nein-Yi Li, Frank A. Spadafora, Hong Q. Hou, Paul R. Sharps | 2008-03-04 |
| 5294834 | Low resistance contacts for shallow junction semiconductors | Victor George Weizer | 1994-03-15 |