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What is microsoldering and what equipment do you need for it?

When repairing electronics, it is not uncommon to encounter a situation where some conductive components lose electrical contact, resulting in a loss of functionality. The solution to this problem is microsoldering. What does it involve and which tools should you buy in order to be able to work as efficiently as possible? 

Standard soldering is based on melting the soldering material (most often tin wire) by means of a soldering iron. The liquid tin is applied between the components to be soldered, hardens quickly and forms a conductive connection. This repair is quick, easy and the equipment can continue to serve at its full capacity.
However, in the case of printed circuit boards and other small electronic components found in laptops, smartphones, smart watches or cameras, conventional soldering is oftentimes not possible. The tips of soldering irons are too coarse and thus do not allow careful handling. This is where microsoldering comes in.

Basic equipment for microsoldering

Micro soldering tools are characterized by high precision and attention to detail. In the basic equipment you should not miss the following.

Microsoldering machine or microsoldering station

It differs from the classic soldering iron primarily by the soldering tip, which is incomparably thinner. This makes it possible to apply the solder precisely to the desired location. The micro soldering iron is a cheaper solution. It consists of a handle with a switch, a soldering tip and a power cable. 
If you repair electronics at a professional level and want to achieve even better results, a microsoldering station is the best solution. It includes an electric controller, which allows you to easily change the soldering temperature in a wide range according to the specific repair. Often, the micro soldering station also includes a set of multiple soldering tips


Microsolder, sometimes referred to as microsolder, is usually made from tin alloys. Its material structure is sized to melt gradually, evenly and not form large droplets that could damage the components being joined.

Flux for soldering

The flux is applied to the components to be soldered before the solder itself is applied. Its role is to keep the components in the right place and to ensure even melting of the micro-solder. Soldering flux is often also referred to as solder paste.


A microscope with 0.5 - 10x magnification is often useful for repairing sensitive electronic components. This will allow you to see damage and imperfections that the naked eye would not pick up.

Heat gun

A bonus tool that can come in handy when soldering on printed circuit boards, for example. In this case, it is a good idea to firstly heat the PCB evenly. However, the heat gun is usually not critically important and you can do without it.

Soldering procedure

The microsoldering itself is quite simple. The first repairs may take more time, but once you get the hang of it, the next ones will be a piece of cake.
The first step is to disassemble the components that are about to be joined so that you have good access to them. Apply soldering flux to the joining point and set both components in the exact position you want to join them. You can also use insulation  tape to help, keep the cable in the correct position so that it does not twist. Switch on the microsoldering machine and wait for it to warm up to operating temperature. 
Unwind a piece of microsolder from the roll and attach it tightly to the joint. Then, using a microsoldering machine, melt the end of the microsolder and apply it to the components to be joined. Estimate the amount of solder according to the size of the surfaces to be joined. Then let the solder cure for a while and the repaired component can be mounted back into the device.

All the micro soldering tools you need

Do you lack a quality microsoldering machine, microsoldering station, solder, paste or heat gun for your equipment? Just visit our e-shop! We offer all the necessary tools for microsoldering, from which every professional technician and hobby repairer can choose from.

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