Ceramic circuit board is a substrate material made of ceramic as the base material. Ceramic circuit boards have excellent electrical performance, high-frequency performance, high temperature resistance, and mechanical strength, making them suitable for high demand electronic devices and circuit boards. Due to its superior performance, ceramic circuit boards are commonly used in high-frequency circuits, microwave circuits, power modules, and other fields. It has good stability and reliability in high temperature, high frequency, and high pressure environments, and is commonly used in electronic devices that require high performance and reliability.