These Keyboards comprise of a snap dome switch and a gold plated glass epoxy PCB for base and circuit. Snap Dome Switches (Special SS Alloys) are mounted and sealed on a gold plated PCB to conduct the signals in the keyboard circuit. The switch contacts can be terminated on any type of solderable connector which can be then interfaced with the controller. This entire assembly is then covered by a polyester overlay using industrial grade adhesives.
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