Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6547939 | Adjustable shadow mask for improving uniformity of film deposition using multiple monitoring points along radius of substrate | Paul Hsueh, Hans Schiesser, Michael Ma, Jack Hsu, Abraham C. Ma | 2003-04-15 |
| 6522462 | All optical logic using cross-phase modulation amplifiers and mach-zehnder interferometers with phase-shift devices | Tzu-Yih Chu, Chi Au, Abraham C. Ma | 2003-02-18 |