Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8907687 | Integrated circuit with stress generator for stressing test devices | William F. McMahon, Randy W. Mann | 2014-12-09 |
| 8314002 | Semiconductor device having increased switching speed | Chiu Ng | 2012-11-20 |
| 7956419 | Trench IGBT with depletion stop layer | Chiu Ng | 2011-06-07 |
| 7696540 | Structure and method for a fast recovery rectifier structure | Yang Fan, Eric Johnson, Hy Hoang | 2010-04-13 |
| 7696598 | Ultrafast recovery diode | Jian Li, Yang Fan, Eric Johnson | 2010-04-13 |
| 7534666 | High voltage non punch through IGBT for switch mode power supplies | Chiu Ng | 2009-05-19 |
| 7507608 | IGBT with amorphous silicon transparent collector | Chiu Ng, Hamilton Lu, Ranadeep Dutta | 2009-03-24 |
| 7485920 | Process to create buried heavy metal at selected depth | Chiu Ng | 2009-02-03 |
| 7335947 | Angled implant for shorter trench emitter | Chiu Ng | 2008-02-26 |
| 7005702 | IGBT with amorphous silicon transparent collector | Chiu Ng, Hamilton Lu, Ranadeep Dutta | 2006-02-28 |
| 6919248 | Angled implant for shorter trench emitter | Chiu Ng | 2005-07-19 |
| 6884303 | Process of thinning and blunting semiconductor wafer edge and resulting wafer | — | 2005-04-26 |
| 6753580 | Diode with weak anode | Chiu Ng, Fabrizio Ruo Redda | 2004-06-22 |
| 6707111 | Hydrogen implant for buffer zone of punch-through non EPI IGBT | Chiu Ng | 2004-03-16 |
| 6683331 | Trench IGBT | Chiu Ng | 2004-01-27 |
| 6627961 | Hybrid IGBT and MOSFET for zero current at zero voltage | Ranadeep Dutta, Chiu Ng, Peter Wood | 2003-09-30 |
| 6603153 | Fast recovery diode and method for its manufacture | Chiu Ng | 2003-08-05 |
| 6482681 | Hydrogen implant for buffer zone of punch-through non epi IGBT | Chiu Ng | 2002-11-19 |
| 6465353 | Process of thinning and blunting semiconductor wafer edge and resulting wafer | — | 2002-10-15 |
| 6426248 | Process for forming power MOSFET device in float zone, non-epitaxial silicon | Chiu Ng | 2002-07-30 |
| 6261874 | Fast recovery diode and method for its manufacture | Chiu Ng | 2001-07-17 |
| 6242288 | Anneal-free process for forming weak collector | Chiu Ng | 2001-06-05 |
| 6198115 | IGBT with reduced forward voltage drop and reduced switching loss | Perry Merrill | 2001-03-06 |
| 6197649 | Process for manufacturing planar fast recovery diode using reduced number of masking steps | Chiu Ng | 2001-03-06 |
| 6043112 | IGBT with reduced forward voltage drop and reduced switching loss | Perry Merrill | 2000-03-28 |