Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314783 | Photosensitive quinone diazide and resin composition having high absorbency for a wavelength of 365 nm containing a benzotriazole ultraviolet absorbing compound | Shigeru Koibuchi, Asao Isobe | 1994-05-24 |
| 5290666 | Method of forming a positive photoresist pattern utilizing contrast enhancement overlayer containing trifluoromethanesulfonic, methanesulfonic or trifluoromethaneacetic aromatic diazonium salt | Shouichi Uchino | 1994-03-01 |