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https://www.raypcb.com/wp-content/uploads/2021/06/pcb-half-hole.jpg1920800Mainly for board-on-board contacts, plated half-holes PCBs or castellated holes are used, often when two printed circuit boards are mixed with various technology. For example, the configuration of complex modules of microcontrollers and typical individual PCBs. Further implementations are displays, HF, or concrete modules soldered to the base circuit board. Therefore, board-on-board PCBs require plated halves that […]