Solder Paste Articles

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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 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 Top Reasons for 3D Solder Paste Inspection (SPI) to be used?
What are the Top Reasons for 3D Solder Paste Inspection (SPI) to be used?3-D Solder Paste Inspection is used for the detection of printer pads when it comes to offset, smearing, form, volume and more. However, the usefulness of 3-D SPI does not begin and end only with the spotting of defects. This system is able to achieve a lot more, and its usefulness goes beyond its primary functionality. Know about some of the main reasons why 3D Solder Paste Inspection System or SPI systems should be used.Helps enhance process controlOver the last few years, a number of studies have been carried out...

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 Paste Stencils ? What You Need To Know
Creating a circuit board requires multiple phases and steps, the most important one of them being the application of solder paste to the board surface. Accurate placement of the correct amount of paste to the right parts of the pad will ensure that there are no defects in the resultant circuit assembly. And considering the commercial mass production parameters pertaining to the electronics industry, this accuracy and precision will have to be maintained time after time, on each circuit board being assembled in your facility. The way to achieve this is through the use of solder paste stencils. ...

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...

An Overview of Solder Paste
Printed circuit board (PCB) manufacturing requires a bonding agent to connect the surface mount components to the board’s pads. This bonding agent is known as ‘solder paste’, a material that is not just an adhesive, but a component that can form the mechanical bond and electrical connection between the PCB and the components. It is formulated with a mixture of solder alloy in powdered form suspended in flux, and it works by initially holding the components in place before the soldering process, which heats the paste and the entire board to establish the connection. Solder pas...

Solder Alloys?How to Select the Best Option for Your PCB Assembly
Not all solders are created equal. Each alloy type has a specific temperature specification and is suited to a specific set of applications. Choosing the right solder alloy can make or break your PCB assembly, affecting the reliability, accuracy and performance of the circuit board being manufactured as well as the cost effectiveness of your overall operations. Therefore, as a PCB manufacturer, it is important that you carefully analyze different solder alloys and select the one that perfectly fits your requirements. To help you with the selection, here is a guide that talks about all the fact...

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...

A Guide for Lead Solder Paste
PCB assembly requires high-quality materials and products that can ensure proper connection between the surface mount components and the printed circuit board. One of the necessary materials for this job is the solder paste. Solder paste is a combination of fusible metal alloy, commonly used while creating joints during the manufacturing of printed circuit boards.  The purpose of solder paste is to hold certain components of electronics together, while making sure that the surface mount components are bound properly to the circuit board. Solder paste is essential for thermal and electrica...

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