Chemistry: electrical and wave energy – Processes and products
Patent
1989-12-18
1991-07-16
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
C25D 502
Patent
active
050322346
ABSTRACT:
A printed circuit board is plated through the steps of providing a printed circuit board, covering at least a predetermined portion to be plated of the printed circuit board with a mask, sealing tightly the periphery of the concavity by sandwiching a sealing material between the mask and the circuit board, providing an electric contact piece, filling up the space with plating solution, connecting the electric contact piece to a power supply, and supplying a plating electric current to the predetermined portion to be plated of the printed circuit board.
Oku Shunji
Seigenji Kiyoshi
Minolta Camera Kabushiki Kaisha
Price Joseph W.
Tufariello T. M.
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