| 10-0902859 |
Casting device for solar cells and silicon manufacturing |
2009. 06. 08 |
| 10-1095587 |
High-quality annealing furnace with heat flow equalization and cooling acceleration module |
2011. 12. 12 |
| 10-1159796 |
Device for manufacturing polycrystalline silicon ingot for variable production capacity |
2012. 06. 19 |
| 10-1238375 |
Gas reactor |
2013. 02. 22 |
| 10-1469107 |
Device and method for manufacturing silicon ingot |
2014. 11. 28 |
| 10-1524811 |
Single crystal sublimation device and method using resistance heating method |
2015. 05. 26 |
| 10-1627503 |
Feeder for high temperature vacuum furnace |
2016. 05. 31 |
| 10-1634673 |
Bulk single crystal manufacturing device for chemically combined semi-conductor |
2016. 06. 23 |
| 10-1741216 |
Drying machine |
2017. 05. 23 |
| 10-1832723 |
Vacuum gate valve |
2018. 02. 21 |
| 10-1984084 |
Method to remove gallium nitride layer of LED manufacturing parts |
2019. 05. 24 |
| 10-2283222 |
Electrical steel sheet constructed with texture and its manufacturing |
2021. 07. 23 |
| 10-2328768 |
Apparatus for manufacturing high purity powder |
2021. 11. 16 |
| 10-2497875 |
An electric furnace for heat treatment of hollow rod-shaped products |
2023. 02. 06 |
| 10-2509142 |
An electric furnace with a reflector |
2023. 03. 08 |
