Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7601629 | Semiconductive device fabricated using subliming materials to form interlevel dielectrics | Deepak A. Ramappa, Richard L. Guldi, Asad Haider | 2009-10-13 |
| 6442867 | Apparatus and method for cleaning a vertical furnace pedestal and cap | William Pressnall, Richard L. Guldi | 2002-09-03 |
| 6197123 | Method for cleaning a process chamber used for manufacturing substrates during nonproduction intervals | Richard L. Guldi | 2001-03-06 |
| 5958517 | System and method for cleaning nozzle delivering spin-on-glass to substrate | Richard L. Guldi, Douglas E. Paradis, Paul C. Hashim | 1999-09-28 |
| 5839455 | Enhanced high pressure cleansing system for wafer handling implements | Virgil Q. Turner, William D. Light, Hilario T. Trevino, Richard L. Guldi, Douglas E. Paradis | 1998-11-24 |
| 5551165 | Enhanced cleansing process for wafer handling implements | Virgil Q. Turner, William D. Light, Hilario T. Trevino, Richard L. Guldi, Douglas E. Paradis | 1996-09-03 |
| 4720997 | Material level monitor | Roni K. Doak | 1988-01-26 |