| 11939698 |
Wafer manufacturing method, epitaxial wafer manufacturing method, and wafer and epitaxial wafer manufactured thereby |
Jong Hwi Park, Jung-Gyu Kim, Byung Kyu Jang, Jung Woo Choi, Yeon Sik LEE +2 more |
2024-03-26 |
| 11856678 |
Method of measuring a graphite article, apparatus for a measurement, and ingot growing system |
Jong Hwi Park, Jung Woo Choi, Byung Kyu Jang, Sang Ki Ko, Jongmin Shim +2 more |
2023-12-26 |
| 11795572 |
Method of manufacturing a silicon carbide ingot comprising moving a heater surrounding a reactor to induce silicon carbide raw materials to sublimate and growing the silicon carbide ingot on a seed crystal |
Byung Kyu Jang, Jong Hwi Park, Jung Woo Choi, Sang Ki Ko, Kap-Ryeol Ku +1 more |
2023-10-24 |
| 11646209 |
Method of cleaning wafer and wafer with reduced impurities |
Jong Hwi Park, Il Hwan Yoo, Kap-Ryeol Ku, Jung-Gyu Kim, Jung Woo Choi +2 more |
2023-05-09 |
| 11591711 |
Method and system for producing silicon carbide ingot |
Jong Hwi Park, Byung Kyu Jang, Jung Woo Choi, Sang Ki Ko, Kap-Ryeol Ku +1 more |
2023-02-28 |
| 11566344 |
Silicon carbide ingot, wafer, method for producing a silicon carbide ingot, and method for manufacturing a wafer |
Jong Hwi Park, Jongmin Shim, Yeon Sik LEE, Byung Kyu Jang, Jung Woo Choi +3 more |
2023-01-31 |
| 11474012 |
Method for preparing silicon carbide wafer and silicon carbide wafer |
Jong Hwi Park, Jongmin Shim, Yeon Sik LEE, Byung Kyu Jang, Jung Woo Choi +3 more |
2022-10-18 |
| 11447889 |
Adhesive layer of seed crystal, method for preparing a laminate using the same, and method for preparing a wafer |
Jong Hwi Park, Jongmin Shim, Byung Kyu Jang, Jung Woo Choi, Sang Ki Ko +2 more |
2022-09-20 |
| 11359306 |
Method for preparing a SiC ingot and device for preparing a SiC ingot wherein electrical resistance of crucible body is 2.9 ohms or more |
Jong Hwi Park, Myung-Ok Kyun, Jongmin Shim, Byung Kyu Jang, Jung Woo Choi +3 more |
2022-06-14 |
| 11339497 |
Silicon carbide ingot manufacturing method and silicon carbide ingot manufactured thereby |
Jong Hwi Park, Kap-Ryeol Ku, Jung-Gyu Kim, Jung Woo Choi, Sang Ki Ko +2 more |
2022-05-24 |