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This invention describes a method for creating 3D objects by stacking and joining thin sheets of material. A sheet is fed from a supply drum, placed on the growing object, pressed with a mask, ultrasonically welded to the previous layer, and then cut to the desired shape. This process repeats, allowing for different materials and embedded components within the final part.
Why it matters: Filed before the widespread demand for multi-material 3D printing and embedded functional components. Advances in material science and precision control for ultrasonic welding now make this approach more viable for creating integrated, functional parts with temperature-sensitive elements.
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