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61285
PCB manufacture
Descrição
Electronics Mapa Mental sobre PCB manufacture, criado por 08sarginson_re em 29-04-2013.
Sem etiquetas
electronics
electronics
Mapa Mental por
08sarginson_re
, atualizado more than 1 year ago
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Criado por
08sarginson_re
mais de 11 anos atrás
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Resumo de Recurso
PCB manufacture
Photo-etch method
1. draw the circuit on to a mask
2. The mask is then placed on the board, which has a thin coating of copper, and the circuit diagram transferred onto the board using an etch-resist.
alternatively, a photosensitive board is covered by the mask and then exposed to light.
3. The circuit is then etched onto the board using ferric chloride in an etching tank.
4. Next, a small PCB drill is used to drill out the centre of the pads
5. the components are pushed through the board and soldered in place.
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