20p Chemically Stable Ceramic Disk

The production of ceramic disk is divided into the following steps

1. Base Material Matching

2. Base Material Grinding

3. Base Material Forming

4. Base Material Drying

5. Base Material Dehydration

6. Base Material Firing

7. Base Material Grinding by machine

8. Wear resistant layer Spraying

9. Wear resistant layer Drying

10. Wear resistant layer Dehydration

11. Wear resistant layer Firing

12. Wear resistant layer Grinding and Washing

13. Making Installation Hole and Outlet Hole

14. Assemble installation rings and outlets

15. Protective Paint and Outer Packaging

16. Test water pressure and air pressure

17. Warehousing and packaging

Features and Advantages:

1) High thermal conductivity;

2) Expansion coefficient can be matched with semiconductor silicon wafer;

3) High insulation resistance and voltage resistance;

4) Low dielectric constant, low dielectric loss;

5) High mechanical strength;

6) Suitable for flow ducting molding process;

Typical market applications:

1) Used as crucible for compound semiconductor single crystal growth;

2) Substrate for high frequency saw devices;

3) High purity aluminum nitride film target;

4) Window materials for infrared and microwave;

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