Printing computers with chiplets
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Tiny chiplets the size of a grain of sand could lead to 3D printers able to print the circuitry for devices such as flexible smartphones and smart bandages.
In contrast to today's chips, which are made on large wafers cut into individual dies and reassembled on circuit boards, the tiny chips could be printed directly on a surface in precisely the correct location and orientation. The chiplets will be able to function as microprocessors, computer memory and other necessary circuits, and could be used to create complete computers.
The chips could be used as part of a 3D printing system able to print objects with computing power embedded in them.