A method of manufacturing a brake pedal coil printed circuit board is provided. The method comprises preparing a first epoxy layer having first copper foil laminated on both surfaces thereof; laminating each of second epoxy layers on the first copper foil, and laminating second copper foil on each of the second epoxy layers; forming a through hole, performing electroless copper plating on an inside surface of the through hole and the second copper foil, and forming an electrolytic copper-plated layer on each of the electroless copper-plated layer; forming circuits having a predetermined pattern on the electrolytic copper-plated layer and the electroless copper-plated layer and forming a gap between the circuits; applying a PSR ink onto the electrolytic copper-plated layer; applying a marking ink onto the PSR ink; forming a Ni-plated layer around the through hole and the hole land; and forming an Au-plated layer on the Ni-plated layer.
Method of manufacturing brake pedal coil printed circuit board for vehicle
2018-10-23
Patent
Electronic Resource
English
IPC: | H01K ELECTRIC INCANDESCENT LAMPS , Elektrische Glühlampen / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / G05G CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY , Steuer- oder Regelvorrichtungen oder Steuer- oder Regelsysteme gekennzeichnet ausschließlich durch mechanische Einzelheiten / H05K PRINTED CIRCUITS , Gedruckte Schaltungen |
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