Ceramic circuit board is an electronic component carrier with excellent mechanical strength and thermal conductivity, mainly used in electronic devices under harsh environments such as high frequency, high temperature, and high pressure. Its main uses include: 1 Communication equipment: such as RF antennas, microwave modules, wireless sensors, etc; 2. Automotive electronics: such as automotive controllers, onboard radar, onboard monitoring systems, etc; 3. Medical devices: such as medical electronic equipment, medical diagnostic instruments, etc; 4. Industrial control: such as sensors, measuring instruments, industrial control machines, etc; 5. Military equipment: such as radar, missiles, military communications, etc. Overall, ceramic circuit boards have advantages such as high temperature resistance, electromagnetic interference resistance, low dielectric loss, and excellent high-frequency characteristics, making them suitable for various special environments and high-performance electronic devices and systems.