Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5415953 | Photomask blanks comprising transmissive embedded phase shifter | Hakki Ufuk Alpay, Franklin D. Kalk | 1995-05-16 |
| 5393465 | Light-absorbing dielectric compositions | Lorri Drozdyk, Kenneth Warren Hang, Arvind Halliyal | 1995-02-28 |