| 摘要 |
PURPOSE: A printing method is provided which prevents a discoloration and peeling. CONSTITUTION: The character and picture are screen printed on the crystal products utilizing a special ink comprising platinum or gold, or general ink. The crystal products is heated at 500- 600°C(melting point of the crystal) in an electric furnace, followed by cooling slowly to fix the special ink on the surface of the crystal products.
|
