Ultrasonic-Assisted Bonding in Si/Cu Solder Joint

Silicon is a common crystal material with a low coefficient of thermal expansion in modern microelectronics. It is widely used in advanced packaging fields such as power devices and 3D packaging. However, as the packaging density increases.

Classification and selection of wave soldering flux

Wave Soldering is a common PCB soldering technique in which electronic components and boards (pre-applied flux in the soldered area of the board) are placed on a wave of melted solder to make a soldered connection.

What fields are leaded solder pastes suitable for?

Lead-containing solder paste, with its low cost, excellent soldering performance, and adaptability, finds extensive application across various sectors including electronics manufacturing, metal processing, LED lighting, the automotive industry, communication equipment.

What alloy composition is best for solder paste used in LED strips?

Fitech, a renowned enterprise in microelectronics and semiconductor packaging materials, demonstrates significant value in LED strip soldering through its solder paste products, leveraging technological advantages and customization capabilities.

What should We Know about Solder Paste Wettability?

Solder paste is commonly used in the semiconductor packaging to connect chips and pads. Through printing, dispensing, and other processes, solder paste can become the connection medium between copper pads and chips.

Can leaded solder paste and lead-free solder paste be used together?

Properly reheating and mixing lead-free solder paste is a critical step in ensuring soldering quality, requiring attention to uniformity while preventing oxidation and bubble formation. Below are detailed steps and precautions:

The Effect of Metal Segregation on the Reliability of Welded Joints

Metal segregation is a common phenomenon in the welding process, which refers to the inhomogeneous chemical composition distribution in the metal alloy.

Reflow Soldering with Nitrogen Protection

In the process of lead-free reflow soldering, many companies are concerned about one question, that is, whether the oxygen concentration in the reflow oven will rise? What circumstances need to use N2 to protect the soldering method to reduce the oxygen concentration in the reflow oven?