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Speaking of soldering systems using tin spraying, friends in the laser welding field should be familiar with this technology—after all, it’s a new type of welding technique that employs laser-induced tin-sphere bonding. Judging from the current situation, this technology is already widely adopted. Next, let me share some basic information about it with you all. If you’re curious, let’s dive in together!

The application of soldering with hot-air soldering is quite widespread and is now used in many places. For example, in... Soldering of data cable solder joints, soldering of flexible circuit board connection points for mobile phones and digital cameras—these are just some of the applications. Moreover, this technique is also widely used in the soldering of high-definition camera modules. Additionally, spray-tinning soldering technology finds application in areas such as sensor soldering, high-precision electronic product soldering for aerospace and aviation, and the soldering of precision sound-controlled components. In the future, when you come across these applications, be sure to recognize them clearly. The wide range of its applications is closely linked to its inherent characteristics and advantages. In fact, spray-tinning soldering systems feature non-contact operation, no need for flux, low thermal input, and precise control over solder material. It’s precisely because of these outstanding benefits that this technology has gained widespread popularity. During operation, the system uses laser beams and inert gases to separate individual tin spheres, and then, while the process is underway, it can precisely spray molten solder droplets at a controlled temperature onto metallized pads. Throughout this process... It is possible to precisely spray by utilizing the heat carried by tin-sphere droplets. The surface of the area to be welded, thereby heating the solder pads to form bumps or achieve bonding.

Therefore, spray-tinning soldering has quite a few advantages, which are truly evident in various aspects. Many companies still choose this spray-tinning soldering technology precisely because of these benefits. Another important point to understand here is that compared with conventional soldering methods, spray-tinning soldering features impact-induced deformation and instantaneous solidification. During the process, these characteristics uniquely manifest themselves, giving rise to a distinctive procedural profile. Consequently, when using a laser spray-tinning soldering system for welding, it becomes possible—at least to some extent—to achieve extremely small-sized interconnections. In spray-tinning soldering, the size of the molten droplets can be as small as tens of micrometers, and the distribution of tin spheres occurs simultaneously with the heating process, resulting in exceptionally high production efficiency. Moreover, colleagues should also be aware that spray-tinning soldering boasts an incredibly fast welding speed, making it particularly well-suited for soldering tiny via-hole pads and even for use on three-dimensional pad configurations. Thanks to digital control over the tin spheres, precise control of the jetting position is achieved here, enabling interconnections with extremely narrow pitch. Furthermore, during the connection process, no tools come into direct contact with the components. As a result, this approach effectively avoids any potential damage to component surfaces caused by tool-to-surface contact.

The above is the basic information about soldering with hot air soldering that our editor has shared with you. If you weren’t aware of it before, now’s a good time to take a minute and learn more—so next time you encounter this kind of issue, you’ll no longer need to ask for advice.