DongHongXin square wafer ring is processed by slow wire processing with sus420j material. The surface of the wafer ring is polished and heat treated to make it more resistant to folding and flatness. It is more stable when bonding.
In the custom sus420 wafer ring you need to provide the depth of the film tray of your equipment, in order to determine the thickness of the sus420 wafer ring, in general, you buy the equipment manufacturer will tell you the parameters of the ring. If you have special requirements, you can tell Donghongxin Engineering here that you will design and process the sus420 wafer ring according to your needs.
