Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685848 | METHOD AND APPARATUS FOR DRY-ETCHING HALF-TONE PHASE-SHIFT FILMS HALF-TONE PHASE-SHIFT PHOTOMASKS AND METHOD FOR THE PREPARATION THEREOF AND SEMICONDUCTOR CIRCUITS AND METHOD FOR THE FABRICATION THEREOF | Takaei Sasaki, Noriyuki Harashima, Satoshi Aoyama | 2004-02-03 |