Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6015644 | Process for device fabrication using a variable transmission aperture | Raymond A. Cirelli, Masis Mkrtchyan, George Patrick Watson, David L. Windt | 2000-01-18 |
| 5362575 | Lithographic mask, comprising a membrane having improved strength | — | 1994-11-08 |
| 5051326 | X-Ray lithography mask and devices made therewith | George K. Celler | 1991-09-24 |
| 4835113 | Fabrication of dielectrically isolated devices with buried conductive layers | George K. Celler | 1989-05-30 |
| 4581814 | Process for fabricating dielectrically isolated devices utilizing heating of the polycrystalline support layer to prevent substrate deformation | George K. Celler, Pradip K. Roy, Donald G. Schimmel | 1986-04-15 |
| 4406709 | Method of increasing the grain size of polycrystalline materials by directed energy-beams | George K. Celler, Harry J. Leamy | 1983-09-27 |