Backdrilling is a high-precision machining technique mainly used to remove unnecessary conductive vias inside multi-layer boards. This technology is widely used in modern electronic manufacturing and semiconductor industries and is constantly developing. This article will provide a detailed introduction to the application and development of core machining technology.
1. Basic principles of chip technology
The core walking technology uses laser or mechanical drill bits to process on the inner layer substrate, and uses a high-precision positioning system to control the processing depth and position, removing unnecessary conductive vias layer by layer from the inner layer substrate. This technology can significantly improve the signal integrity of PCB (Printed Circuit Board) and reduce errors in signal transmission.
2. Application areas of chip technology
The chip machining technology is widely used in the manufacturing process of electronic products such as digital signal boards, high-speed communication boards, and RF boards. In digital signal boards, chip routing technology can effectively reduce crosstalk between conductors and interference from echo signals; In high-speed communication boards, chip technology can improve transmission speed and signal stability; In RF boards, chip routing technology can reduce signal reflection and loss, and improve system performance.
3. Development trend of chip technology
With the continuous development of electronic products and the rapid advancement of intelligence, the demand for high-speed, high-frequency, and high-density circuits is also increasing. Therefore, the core machining technology also needs to constantly develop to meet market demand.
The development trend of future chip technology mainly includes the following aspects:
① Higher processing accuracy: With the reduction of circuit board size and wire width, it is required that the core walking technology has higher processing accuracy to ensure the reliability of signal transmission.
② Faster processing speed: In order to improve production efficiency, the core walking machine processing technology needs to achieve faster processing speed while ensuring processing quality.
③ More applicable materials: Core walking technology is currently mainly applied to common FR-4 materials, and in the future, it needs to be expanded to include special materials such as high frequency, high speed, high temperature, and high frequency.
④ More intelligent processing control: Core walking technology needs to be combined with machine vision and automation technology to achieve intelligent processing control, improve processing accuracy and stability.
4. Conclusion
As an important circuit board processing technology, chip machining technology is widely used in the field of electronic manufacturing. With the continuous development of electronic products and the increasing market demand, chip technology is also constantly evolving and improving. I believe that in the near future, chip technology will provide better solutions for high-speed, high-frequency, and high-density design of electronic products.
