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Tin Ingot
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Tin Bar
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How to obtain high-quality solder joints during the use of lead-free solder paste
Nov 01, 2022
11-01
2022
Lead-free solder paste is an environmentally friendly material that does not contain lead and plays a very important role in soldering work. And lead-free solder paste is one of the most important factors in obtaining high-quality solder joints in printed circuit board (PCB) assembly using surface mount components. A temperature profile is a function of temperature applied to a circuit assembly as a function of time, and when plotted on a Cartesian plane, at any given time during the reflow process, a curve is formed representing the temperature at a particular point on the PCB.
The difference between solder paste tin bar and tin wire
Nov 01, 2022
11-01
2022
In the PCBA processing process, the soldering process is one of the most important processes, and solder paste, tin bar and tin wire are commonly used soldering materials in the soldering process. The difference between the three welding materials is not very clear. Let's take a closer look at the difference between the three!
Main components and product advantages of leaded solder paste
Oct 31, 2022
10-31
2022
The composition of leaded solder paste depends on the type of solder paste. There are many alloy components of leaded solder paste. Tin and lead are the main components in leaded solder paste alloys. The main components of low-temperature leaded solder paste alloys are bismuth. In addition to these, the alloys of solder pastes will have trace amounts of impurity metal elements (such as iron, zinc, copper, aluminum, silver, mercury, arsenic, etc.).
Advantages of leaded solder paste:
Soldering skills of tin bars
Oct 31, 2022
10-31
2022
Tin bar is an important welding material for PCBA processing plants. Its good welding effect is welcomed by electronic processing factories. Tin bar is made of pure tin, and the price is relatively expensive. In order to obtain better welding effect, it is necessary to master some Soldering skills.
1. What is tin bar
Tin bar is a kind of solder bar made of pure tin. The bar shape is mainly used for the soldering of circuit boards. It has the advantages of easy tinning, bright solder joints, fullness and no false soldering. It is very suitable for wave soldering and immersion tin furnace.
Definition of Tin Alloys
Oct 28, 2022
10-28
2022
(1) Tin Alloy crafts
Tin handicrafts are decorative and practical tin and alloy products, representing one of several application fields that consume a large amount of tin metal. As a kind of high-grade metal crafts, tin crafts have rich themes and huge market development space. Tin crafts can be made into wine sets, tea sets, tableware, trophies and other utensils with various embossed patterns. These products have the appearance characteristics of silverware, are non-toxic and harmless, the price is lower than that of silverware, and they are both ornamental
Four temperature standards for lead-free solder paste SMT reflow soldering
Oct 28, 2022
10-28
2022
There is no very accurate standard for the temperature setting of the eight temperature zones of SMT reflow soldering, which is determined according to the quality of SMT solder paste, actual soldered products and SMT reflow soldering machine. It is usually set according to the actual soldering situation based on the temperature range given by the SMT solder paste manufacturer. The standard temperature standard for SMT reflow soldering in eight temperature zones can only have the highest temperature range. The maximum temperature of SMT reflow soldering with lead-free solder paste is about 245°C, and the maximum temperature of SMT reflow soldering with lead solder paste is about 215°C. If the temperature standard of the eight temperature zones of SMT reflow soldering is specifically given, it can only be a reference temperature curve.
Reasons and countermeasures for yellowing and blackening of PCB solder paste soldering
Oct 27, 2022
10-27
2022
Most electronic circuit board manufacturers will encounter some problems more or less when using solder paste for soldering. For example, false soldering, false soldering, tin beading, sharpening, yellowing, blackening, etc.
Causes and Countermeasures of Solder Paste Yellowing
The production, classification and application of tin wire in the market
Oct 27, 2022
10-27
2022
Understanding the production process of tin wire is also very helpful for us to buy, so suppliers of lead-free tin bars must understand.
In the processing of electronic components, tin wire is a frequently used element. So, do we know how the tin wire is produced? Next, let's take a look at its technological process.
The first step: referring to the relevant standards, prepare the corresponding tin, lead, rosin, antioxidants and other raw materials.
The correct soldering method of tin wire
Oct 26, 2022
10-26
2022
In order to ensure the production of high-quality products, the extrusion is very heavy, and the solder wire is extruded in the hydraulic press and extrusion die. Before soldering, the temperature of the soldering iron should be adjusted correctly, the temperature is too high or too low Can not be tinned normally, and its melting point is different depending on its composition and composition.
What are the characteristics of environmentally friendly lead-free solder paste
Oct 26, 2022
10-26
2022
Nowadays, lead-free solder paste is paid more and more attention, because the lead-free solder paste currently used is mainly environmentally friendly solder paste. Reliability after soldering, and considering the cost borne by customers and many other issues, the characteristics of environmentally friendly lead-free solder paste:
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