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Company News
4 Common Bad Phenomena and Countermeasures During Solder Paste Soldering
Jan 16, 2023
01-16
2023
Solder paste is an indispensable electronic auxiliary material in the SMT industry. The placement and operation requirements of solder paste are very professional. If the operation is not done properly, it will lead to some adverse phenomena. Below we will discuss four common defects in solder paste during the soldering process. The symptoms and corresponding solutions are summarized as follows:
How to relieve solder wire solder joint fatigue
Jan 13, 2023
01-13
2023
To sum up, in view of the fatigue failure of solder wire solder joints, we require that the solder joints of solder wire must be very bright and not black in actual operation and application. The fatigue failure of solder wire solder joints mainly includes thermal fatigue and mechanical fatigue, of which thermal fatigue is the dominant cause.
What materials can be soldered by tin wire and the details to be paid attention to
Jan 13, 2023
01-13
2023
Solder wire refers to the composition of tin alloy and flux. Lead solder alloy is divided into tin-lead + lead flux. Environmentally friendly solder is composed of tin-copper alloy + lead-free flux. Solder Wire is mainly used to fill, repair, and connect the main welding materials between two components, so what materials can solder wire weld, let's talk about it:
What should I do if the tin wire remains when soldering on the PCB?
Jan 12, 2023
01-12
2023
Solder wire is an indispensable electronic auxiliary material in the post-soldering process, and PCB refers to the printed circuit board, which is the provider of electrical connections for electronic components. The printed circuit board is often represented by "PCB" instead of Call it a "PCB board".
Properties of Solder Paste
Jan 12, 2023
01-12
2023
One of the essential solder raw materials in the SMT production process is solder paste. The solder paste is divided into lead-free environmental protection solder paste and leaded solder paste according to environmental protection standards. Among them, lead-free solder paste is divided into low-temperature solder paste according to the melting point of the solder paste. So how to choose the solder paste suitable for patch in actual production?
How to distinguish between leaded tin wire and lead-free tin wire?
Jan 11, 2023
01-11
2023
Tin wire is a kind of solder material, which is mostly used for manual soldering products. At present, most tin wires contain flux such as rosin. Using tin wire can reduce the process and improve the efficiency of soldering operations. Leaded tin wires and lead-free tin wires can be distinguished from the following aspects:
1. Judging from the glossy color of tin appearance: the surface of lead solder looks bright white; lead-free solder is light yellow.
What are the factors to be considered in the selection criteria of leaded solder paste?
Jan 11, 2023
01-11
2023
The selection criteria of leaded solder paste mainly start from the following factors:
1. Alloy composition: In general, Sn63/Pb37 solder alloy composition can meet most welding requirements; for welding and QFN process of Ag or Pd coated devices, generally choose alloy composition Parts are Sn63/Pb35/Ag2 solder paste; for pcb soldering of devices that are not resistant to thermal shock, choose Bi-containing solder powder.
The reason why the tin wire turns yellow during the soldering process
Jan 10, 2023
01-10
2023
In the welding of electronic circuit boards, the surface of the tin point after tin wire welding is rough, bridged, tin beads, board surface is dirty, and the circuit board is short-circuited. The main materials of electronic tin wire are tin wire, tin bar, auxiliary Flux, PCB board surface and electronic components are several parts, so which part has problems will eventually affect the quality of tin wire.
Reasons for missing parts in low temperature tin wire welding
Jan 10, 2023
01-10
2023
The problem of low-temperature tin wire dropping is a problem that is usually encountered when using low-temperature tin wire products. The main reason is that its tin wire metal composition is tin-bismuth alloy. More bismuth in the solder paste can lower the melting point, but the same solder joints are very brittle, making it easy to drop parts when soldering.
What kind of soldering is suitable for tin wire?
Jan 09, 2023
01-09
2023
Tin wire is a soldering material composed of tin alloy and flux. Lead solder alloy is divided into tin-lead and lead flux. Environmentally friendly solder is composed of tin-copper alloy and lead-free flux. The main function of tin wire is to fill, repair or connect the main soldering material between two electronic components. Can all materials be wire soldered?
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