Ultrasonic Soldering Breaks Through Multi-Layer FPC Welds As electronic products move toward thinner, lighter, and more integrated designs, flexible printed circuits (FPCs), owing to their flexibility, thinness, and high space efficiency, have become core components in mobile phones, wearable devices, automotive electronics, and other fields. To meet the increasingly complex functional requirements of these devices, single-layer FPCs are gradually being replaced by multi-layer FPCs. By stacking multiple layers of circuits, [...]

Ultrasonic Precision Welding In the consumer electronics and smart sensing sectors, core components such as MEMS sensors and silicon microphones are evolving towards micron-scale, high-integration capabilities. The solder joints of these devices often have diameters less than 0.2mm, with some even less than 0.1mm. These devices are often surrounded by heat-sensitive components and flexible substrates, placing stringent demands on the soldering process: zero contamination, low heat loss, and high precision. [...]

Ultrasonic Soldering: Precision Process for FPC Connections Amid the trend of miniaturization in electronics manufacturing, reliable connections between flexible and rigid printed circuit boards (FPCs) are crucial for product performance. Ultrasonic soldering, with its unique physical properties, has become a core process for solving this connection challenge, providing strong support for the miniaturization and high reliability of electronic devices. Traditional soldering processes have consistently faced significant bottlenecks in connecting FPCs [...]

Ultrasonic Copper Wire Bonding Microelectronics Technology In the semiconductor packaging field, ultrasonic copper wire bonding, a core connection technology, acts like a precise "microscopic bridge builder," establishing a reliable electrical path between the chip and external circuitry. Its performance directly determines the stability and lifespan of electronic devices. This technology, which integrates ultrasonic physics and materials science, is continuously evolving with the trend of miniaturization in the microelectronics industry. The [...]

PCB Surface Plating Process Types and Characteristics In electronics manufacturing, the surface plating process for printed circuit boards is crucial to product performance. It not only prevents copper oxidation but also ensures good solderability and stable electrical connections. Currently, mainstream processes include hot air leveling, organic coating, electroless nickel/immersion gold plating, immersion silver, immersion tin, and electroplated nickel-gold plating. Each process has distinct characteristics and applications. Hot air leveling is [...]

Ultrasonic welding efficiently connects nickel strips In precision industries such as new energy and electronics manufacturing, nickel strips are a key joining material due to their excellent conductivity, corrosion resistance, and mechanical strength. Ultrasonic welding, with its unique advantages of solid-state bonding, has become a core process of choice for joining nickel strips, providing an efficient and reliable solution for industrial production. The core principle of ultrasonic welding nickel strips [...]

Ultrasonic Liquid-Phase Diffusion Brazing Technology In industrial manufacturing, the combined use of copper and aluminum leverages copper's high conductivity and aluminum's lightweight advantages, holding irreplaceable value in industries such as new energy and electronics. However, joining dissimilar copper and aluminum has long faced technical bottlenecks: a dense oxide film easily forms on the aluminum surface, and the significant differences in the melting points and thermal expansion coefficients of the two [...]

Ultrasonic Soldering for Silver-Free Solar Cell Connections In the photovoltaic industry, silver and lead consumption have long been a concern. Conventional PERC+ solar cell production requires extensive silver for connecting the front electrode to the backside, which is costly and unsuitable for environmental protection. Furthermore, the aluminum bars on the backside easily form a stable oxide layer, making conventional thermal soldering ineffective and necessitating the reliance on silver pads. Consequently, [...]