Yttrium Oxide Ceramics: The "Scavenger" of Microelectronics Manufacturing
Did you know that there's a material that can withstand high temperatures and resist chemical corrosion, while also serving as a "scavenger" in the electronics manufacturing field? That material is yttrium oxide, a rising star with limitless potential!
Yttrium oxide ceramics use yttrium oxide (Y₂O₃) as the main raw material. Belonging to the cubic crystal system, it possesses excellent heat resistance, corrosion resistance, wear resistance, electromagnetic shielding, high-temperature stability, transparency, and plasma resistance. It is an ideal material for electronic processing equipment where particulate contamination must be avoided, reducing equipment maintenance requirements and thus improving production efficiency.
Yttrium Oxide Ceramic Manufacturing | A Dual Challenge of Process and Performance
The manufacturing process of yttrium oxide ceramics includes key steps such as powder preparation, molding, and sintering. The performance of the powder, the molding process, and the control of the sintering curve are crucial to the performance of the final product. In the preparation of yttrium oxide powder, Cabernet pays particular attention to the morphology, particle size distribution, and uniformity of the powder. Uneven particle size distribution or uneven powder composition can lead to unstable performance of the finished product.
During the molding process, due to the brittle and hard nature of yttrium oxide ceramics, it is necessary to precisely control process parameters such as molding method, pressure, and holding time to ensure dimensional accuracy and shape stability, improve the strength of the green body, and avoid the generation of microscopic defects such as cracks and pores, which will affect the final performance of the ceramic. Sintering is the core step in the preparation process. The sintering regime plays a decisive role in the density, mechanical strength, and microstructure of the ceramic. The control of factors such as sintering rate, holding time, and sintering temperature is crucial. Too low a temperature can easily lead to incomplete densification of the ceramic, resulting in pores and defects; while too high a temperature may cause abnormal grain growth, thereby affecting product performance. Similarly, appropriate sintering rate and holding time are also key factors in obtaining high-performance ceramic products.