With the rapid development of electronic technology, high-frequency materials are playing an increasingly important role in fields such as communication, radar, and satellites. Signal integrity is one of the key indicators for measuring the performance of high-frequency circuits. This article mainly discusses how to choose suitable high-frequency materials for circuit boards to improve signal integrity. [...]
1、 Calculation factors for unit price of circuit board The unit price of circuit boards is not fixed, but is influenced by various factors, including the following: 1. Material cost The main materials for circuit boards include substrates (such as FR4, CEM-1, aluminum substrates, etc.), copper foil, and solder mask ink. The cost and performance [...]
Producing HDI (high-density interconnect) circuit boards is a complex and technology intensive process that involves multiple challenges that need to be overcome. The following are some of the main issues that need to be addressed during the production of HDI circuit boards: 1. Stress problems caused by differences in thermal expansion coefficients of materials Problem [...]
One stop PCBA intelligent manufacturing manufacturer, today we will talk about the difference between gold plating and immersion plating in the production process of PCBA circuit boards? The difference between gold plating and immersion plating in the production process of PCBA circuit boards. In PCBA surface mount processing, the production of PCBA circuit boards is [...]
The first type is finger plating Rare metals often need to be plated on board edge connectors, protruding contacts, or gold fingers to provide lower contact resistance and higher wear resistance. This technology is called finger plating or protruding part plating. Gold is often plated on the protruding contacts of board edge connectors with nickel [...]
The open and short circuits of PCB circuit boards are almost daily problems encountered by PCB manufacturers, which have been troubling production and quality management personnel. We have accumulated some experience in improving the open and short circuits of printed circuit boards. We have now written a summary of the discussion on PCB manufacturing. I [...]
Blind holes and buried holes are two important technologies in circuit board manufacturing. They have some similarities in the manufacturing process, but there are also significant differences. The following is a comparison of the manufacturing processes of these two technologies: 1. Overview of Manufacturing Process Blind hole Blind hole is a type of hole on [...]
In the electronic manufacturing industry, PCB (printed circuit board) is an indispensable component that carries various electronic components and connects them to achieve circuit functions. This article will briefly introduce the production process and key points of PCB processing circuit boards, helping readers understand the technology and techniques behind it. 1、 Design phase 1. Schematic [...]
One stop PCBA intelligent manufacturing manufacturer will delve into what impedance is and the core role of PCB impedance in high-speed circuit design today. In the electronics industry, printed circuit boards (PCBs) play an indispensable role, and PCB impedance is a crucial parameter. This article aims to help readers better understand PCB impedance and its [...]
The quality of the circuit board directly affects the performance and reliability of the product. Therefore, quality inspection of circuit boards has become particularly important. X-ray inspection, as a non-destructive testing technique, can deeply observe the internal structure of circuit boards and plays a crucial role in the production and testing process. Application of X-ray [...]