Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646753 | In-situ thickness and refractive index monitoring and control system for thin film deposition | Jian Zhang | 2003-11-11 |
| 6606446 | Miniature variable attenuator | Ronggui Shen, Jingyu Xu | 2003-08-12 |