| 摘要 |
The present invention relates to a glass preheat treatment apparatus before chemical strengthening, and a heat treatment apparatus using the same. The glass preheat treatment apparatus before chemical strengthening comprises: a preheating part; a heating part; a heating and cooling part; a room temperature cooling part; a transport part; a frame part; and a controller. According to the glass preheat treatment apparatus for chemical strengthening and the heat treatment method, surface compressive strength and flexural strength of a glass are enhanced without changes in a depth of chemical strengthening. |
