In the field of electronic ceramics, the selection of substrate materials is crucial to the performance and reliability of devices. High-purity magnesium oxide, with its excellent mechanical properties, thermal stability and chemical stability, has become one of the preferred electronic ceramic substrate materials.
1. Excellent thermal conductivity and thermal shock resistance
In the manufacture of high-temperature components such as LED chips, substrate materials need to have good thermal conductivity and thermal shock resistance. With its excellent thermal conductivity, high-purity magnesium oxide can effectively dissipate the heat generated by the chip quickly to avoid performance degradation or damage caused by heat accumulation. At the same time, its thermal shock resistance also ensures that the substrate material can remain stable without cracks or deformation in an environment with large temperature changes.
As high-power electronic devices in the fields of high-speed rail, aerospace and military industry develop towards high temperature, high frequency and high integration, efficient heat dissipation has become an urgent need. High-power devices achieve heat exchange with the outside world through ceramic copper-clad laminates. At present, the mainstream ceramic substrates are Si3N4, AlN and Al2O3, all of which require MgO (specification: GFS-1) as a sintering aid. Especially for Si3N4 ceramics with excellent comprehensive performance, in order to avoid the lattice defects caused by Al2O3 as an additive to increase phonon scattering, MgO (specification: GFS-1) has become the preferred sintering aid for the preparation of high thermal conductivity Si3N4 ceramics, and its usage is about 3%.
2. Reduce weight and improve integration
Using high-purity magnesium oxide as a substrate material can also help reduce the weight of electronic devices, reduce volume and improve integration. This is of great significance to the miniaturization and lightweight trend of modern electronic equipment.
3. Improve device reliability and life
With its high purity, high-purity magnesium oxide significantly reduces the impurity content in electronic ceramics and reduces performance fluctuations and defects caused by impurities. This fundamental improvement provides a more stable performance guarantee for electronic ceramic substrate materials, thereby improving the reliability and service life of electronic devices.
4. Broad application prospects
With the continuous advancement of electronic information technology and the continuous expansion of application fields, the application prospects of high-purity magnesium oxide in electronic ceramic substrate materials will be broader. Whether in the fields of integrated circuits, microwave devices or LED chips, high-purity magnesium oxide will inject new impetus into the development of the electronic ceramic industry with its unique performance advantages.
As one of the preferred electronic ceramic substrate materials, high-purity magnesium oxide provides strong support for the development of the electronic ceramic industry with its excellent thermal conductivity and thermal shock resistance, weight reduction, improved integration, and improved device reliability and life. With the continuous advancement of science and technology and the continuous expansion of application fields, the position of high-purity magnesium oxide in electronic ceramic substrate materials will become increasingly important.