In PCB manufacturing, the occurrence of voids in small diameter through-hole copper plating is indeed a troublesome issue, as it directly affects the reliability of the circuit and the yield of the product. This is often the result of multiple factors working together. The table below summarizes the common causes of copper plating voids and … Read more
Wherever there is electricity, printed circuit boards (PCBs) are needed. Today, we will introduce the basic process and principles of outer layer graphic transfer. The outer layer graphic process has several names; some factories call it dry film, others call it dry film transfer, some refer to it as the outer layer, and others as … Read more
Wherever there is electricity, there are printed circuit boards (PCBs). This course will share the basic knowledge of electroplating in PCB/HDI manufacturing. Due to the numerous knowledge points, it will be introduced in batches, and this is the first article. Course Objectives Understand what HDI is, the fields of application for HDI products, and the … Read more
Against the backdrop of the global semiconductor industry chain restructuring and the explosive demand for AI computing power, Chinese semiconductor equipment companies are experiencing unprecedented development opportunities. **Xingqi Microelectronics (688630)** and Dongwei Technology (688700)**, as leading companies in the domestic PCB equipment and electroplating equipment fields, are attracting significant market attention regarding their future development … Read more
Volume: The breakthrough of electroless copper plating and electroplating has been validated by NVIDIA. Price: No special highlights (stable), short capacity expansion cycle, difficult to increase prices. Foreign competitors like Amtech have low willingness to expand production but high willingness to raise prices. After exploring the upstream trio of CCL – copper foil, electronic cloth, … Read more
Click on the arrow “China Electroplating Network” , follow us Modern circuit board surface treatment technology is a new type of coating technology developed based on traditional plating techniques, applying principles, methods, and the latest achievements from materials science, mechanics, electronics, physics, fluid mechanics, electrochemistry, and nanomaterials. It studies the surface and interface characteristics, performance, … Read more
Electronic copper foil is a type of copper foil, which is a cathodic electrolytic material, precipitated as a thin, continuous metal foil on the substrate layer of a circuit board. It easily adheres to the insulating layer, accepts a printed protective layer, and forms circuit patterns after corrosion. Electronic copper foil is the main raw … Read more
Click the blue text to follow us Printed Circuit Boards In the early 20th century, Paul Eisler first proposed the concept of “printed circuits” and developed the world’s first printed circuit board (PCB). As the most widely used substrate in secondary electronic packaging technology, it is a substrate covered with single or multiple layers of … Read more
A PCB (Printed Circuit Board) is a board made of insulating material, designed to create conductive patterns for electrical connections between components. The conductive patterns formed on the insulating substrate are referred to as printed circuits. Thus, the finished board is called a printed circuit board, also known as a printed board or PCB. PCBs … Read more
Click on the arrow “China Electroplating Network” , follow us The electroplating process of printed circuit boards can be classified into: acidic bright copper plating, nickel/gold plating, and tin plating. This article introduces the technology and process flow of the electroplating process during PCB manufacturing, as well as specific operational methods. II. Process Flow: Acid … Read more