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Multilayer Perceptron for CAM in PCB Industry

NeuroCAM™ is a system for correcting internal layer misalignment in multilayer printed circuits.

The system based on hardware, firmware and software is part of our project patented in Italy in 1994. The acronym CAM does not mean camera but means Computer Aided Machinery. In fact, the system uses a probe connected to the PCBs during the drilling of a patented test coupon with CNC machines, to receive electrical signals and, using the signal delays, calculates the misalignments of the internal layers. A software that implements a Multilayer Perceptron modifies the coordinates of the CNC Excellon drilling files of the printed circuit and the Gerber files of the external layers in order to optimize the centering of the holes on the pads, respecting the expected "mimimum annular ring". The system in 1994 was an excellent alternative to expensive x-ray machines and was then produced by an Israeli company.

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General Synaptics

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