SMT007 Magazine

SMT007-Jan2024

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18 SMT007 MAGAZINE I JANUARY 2024 an optical head that is moving, and the board is fixed. We developed a proprietary optical head for both machines that can be used for all pro- cesses: plated through-hole, SMT, SPI, and mechanical objects, as it can be used to iden- tify whatever is available on a board. Is this optical head something that you developed in-house? Yes, totally in-house, together with some uni- versities in Switzerland. It's a project that took almost three years. It has several patents. Our system is the only one on the market with six cameras, all fully integrated with FPGA and underbolt interface. e telecentric lens is another customized system with two arms. On one arm you get the polarized camera; on the other, you get a 12- or 25-megapixel top cam- era. e reason for such a complex optical head is the fact that we need to acquire a lot of information from the board because we do an inspection that is the opposite of everything our competitors are doing. Our competitors—extremely good compa- nies—are looking at what is wrong inside the window with a mathematical algorithm or an image comparison. We, on the contrary, check everything that is happening in each window, even what is good and why it is good. We apply AI to everything, but not an algorithm. e machine is AI-based, so whatever you touch in the machine has an impact on different neu- ral networks that are doing different jobs. You can train the machine to inspect new compo- nents and new technologies. You take the com- ponent and tell the machine to learn it. e machine learns the component, and while it learns, it already understands the best way to inspect it. is system is web-based and is totally avail- able on the cloud which provides a big advan- tage, especially for those international custom- ers who need to have different types of systems in their production line—SPI, pre-reflow, and post-reflow. With Delvitech, they don't need to buy different machines, they can buy one

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