Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889825 | High/low doping profile for twin well process | — | 1989-12-26 |
| 4812418 | Micron and submicron patterning without using a lithographic mask having submicron dimensions | James R. Pfiester, J. William Dockrey | 1989-03-14 |
| 4808543 | Well Extensions for trench devices | Richard W. Mauntel, John M. Barden | 1989-02-28 |
| 4808555 | Multiple step formation of conductive material layers | Richard W. Mauntel, Stephen J. Cosentino, Patrick J. Holly | 1989-02-28 |
| 4801555 | Double-implant process for forming graded source/drain regions | Patrick J. Holly, Frank K. Baker, Jr. | 1989-01-31 |