In the PCB industry, the common types of copper foil are Rolled Annealed Copper (RA) and Electrodeposited Copper (ED).
In circuit board manufacturing, various electroplating methods are employed to enhance performance, durability, and contact quality. This article focuses on four specialized electroplating methods commonly used in PCB (printed circuit board) welding processes
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Microstrip patch antennas and their arrays may be rare but are the most widely used antenna form. They have a simple structure and can be formed by a dielectric, a metal conductor patch on the dielectric layer, and a ground plane. Even the dielectric in the middle can be an air structure. A typical microstrip patch antenna is made on a printed circuit board (PCB), and a fine line structure is etched on the conductive metal layer using a photocopying method
Copper foil used in the PCB industry is more complex than you might think. Copper is both an excellent conductor of electricity and an excellent conductor of heat, making it an ideal conductor for most PCB applications. Copper foil has many other properties that are important for engineers to understand.
With the increase in signal transmission speed and the widespread application of high-frequency circuits, circuit board impedance control has become a key factor in ensuring signal integrity, reducing signal interference, and improving system stability
Copper is both an excellent conductor of electricity and an excellent conductor of heat, making it an ideal conductor for most PCB applications
The electronics industry has undergone many changes over the past few years. Nowadays, millimeter wave radar and millimeter wave communication frequently appear in our sight. In particular, Huawei has made remarkable achievements in 5G, and millimeter wave technology has been put on the table. Why does millimeter wave technology play such a key role in 5G and smart cars? Next, let’s take a closer look at the past and present of millimeter wave technology and its continuation.