Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485807 | Silicon wafers having controlled distribution of defects, and methods of preparing the same | — | 2002-11-26 |
| 6472040 | Semi-pure and pure monocrystalline silicon ingots and wafers | Kyoo-Chul Cho, Gon-Sub Lee | 2002-10-29 |
| 6409833 | Insulating-containing ring-shaped heat shields and support members for Czochralski pullers | — | 2002-06-25 |