Solder Articles

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HOW DOES LEAD-FREE SOLDER DIFFER FROM REGULAR SOLDER?
With the global electronics manufacturing industry moving swiftly towards sustainable production and environmentally safe practices, the demand for eco-friendly raw materials has increased exponentially. The biggest development in the field came with the RoHS directive that urged manufacturers to move towards safer manufacturing materials. That is how lead-free solder gained popularity. This article will provide you with key information on the characteristics that differentiate lead-free, rosin-core solder from the regular solder.Bonding temperaturesThe most prominent difference between lead...

Lead-Bearing Solder Paste Applications
Solder paste is necessary in the manufacturing of PCBs (printed circuit boards), as it is used to connect the surface mount components to the pads on the PCB. It acts like an adhesive or a glue that ensures surface mount parts are secure on the board. Besides holding the PCB components in place, a good solder paste also ensures an excellent electronic bond between the PCB and its components. Hence, it is typically formulated with conductive materials, like lead and tin. Solder paste is basically powdered metal which usually comes suspended in flux. The paste consistency of the solder serves as...

Things to Know About Using Lead-Free Solder Paste
Solder typically contains lead but, due to safety concerns, manufacturers of electronic products and devices are switching to lead-free solder pastes. Certain applications may require lead-free solder paste for PCB assembly in handheld electronic devices (i.e. tablets and smartphones), consumer electronics, automotive systems, military and medical equipment, network servers, and computer motherboards. Lead-free solder paste must be properly formulated to ensure high throughput and reliability for the intended application. Following are some of the most important things to keep in mind while se...

Solder Balls and their Negative Effect on the PCB Assembly Process
If you are a PCB manufacturer, the word ‘solder balls’ must be extremely familiar to you. In fact, you have likely marked the phenomenon of solder ball formation as one of the greatest challenges of your SMT reflow process. The issue is fairly common and can be caused by a host of different factors, mainly poor process conditions, and can genuinely compromise the electrical reliability of the assembled printed circuit board. This article presents a comprehensive overview of the solder ball defect along with an insight into possible causes of the same and also lists out recommended ...

Know About the Process of Solder Dross
The soldering process requires the use of a high-quality solder to ensure that components can stick together and create an efficient bond that will enable electrical current to pass. However, it can involve the production of dross, which naturally develops due to exposure to oxygen. Dross is typically created when solder goes back from the nozzle to the solder pot when it mixes with the air around it to oxidize. The result is waste material that is typically a combination of used flux and oxidized solder alloy. Dross usually settles over the solder when lead-based alloys are involved, and this...

Things to Consider While Choosing Lead-Bearing Solder Paste
PCB (printed circuit board) manufacturing cannot be completed without solder paste, the material used to connect the surface mount parts to the board’s pads. There are various types of solder pastes available, but those that contain lead are widely preferred. Lead-bearing solder paste is manufactured to meet the unique requirements of tin-lead soldering processes to ensure excellent and reliable print volume repeatability.Here are some things to keep in mind before deciding to buy lead-bearing solder paste:Types of lead-bearing solder pastesLead-bearing solder paste can be made in differ...

WHAT ARE THE SOLDER FLUX TYPES AVAILABLE FOR SOLDERING IN ELECTRONICS?
Soldering is a complicated process – one that requires various intricate factors and processes to work together seamlessly in order to generate the desired output. Solder alloy is heated to create a conductive, reliable and strong joint between two metal surfaces. This joint actually is a metallurgical bond that needs to be resilient and electrically conductive. The chemical reaction responsible for the creation of this bond is dependent upon various factors, the most important of them being quality of the metal surfaces being joined. They should be free of dust, grime and oxidation &nda...

Solder Stencils - An Electronic Assembly Material That Fits Your Needs
Solder stencils are an integral part of electronic assembling process. They are also the most extensively used assembly tool in the manufacturing of large or small printed circuit boards. Solder stencils are basically used to print the solder paste over the printed circuit board. This article will provide readers with a detailed study about solder stencils and how they fit within your electronic manufacturing needs. Solder stencils – functionThe prime function of a solder stencil is to effectively transfer the solder paste to an exposed area of a circuit board. Once the appropriate solde...

Tips on Solder Paste Application to a PCB
Solder paste is a crucial aspect of a PCB assembly, especially when reflow soldering techniques are used. It is typically a mixture of specially formulated flux and solder spheres. Hence, the solder creates a type of paste that can be integrated onto the surface of a PCB without causing problems with how the board should function. There are different types of solder pastes for different applications, but the best one for PCB assembly is something that can be printed onto the surface of the product in the place where it is needed. To use solder paste properly, you need to follow certain steps f...

Advantages of Using Tin Solder Paste
Lead is a common component of solder, but it can be harmful to your health, especially when you are constantly exposed to it. Tin solder paste can be an alternative to lead-based solder pastes. However, applications that require excellent repeatability in print volume may require tin-lead solder pastes to boost productivity and reduce waste. Tin-lead solder pastes are designed to fulfill the demands of the tin-soldering process and the highest manufacturing standards. Suppliers of materials for electronics assembly, photovoltaic, LED lighting, and power electronics industries offer lead-free, ...

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