Design a membrane switch circuit

The flexible tail in a membrane switch is created by die cutting the tail shape from the bottom, top, or both circuit layers. From a switch design standpoint, this means that the tail can exit from any clear area within the switch that is larger than the tail, or from any edge. The length of the tail has a cost factor that should always be considered.
We will create the membrane keyboard switch circuitry from your schematic, or we can create it for you. More times than not, it will be a more cost efficient design if we are allowed to determine the switch schematic. If you have a schematic preference or requirement, we will create the circuitry using the most efficient trace routing.
Whether your application requires common bus circuitry, x-y matrix circuitry, a combination of both, or any other configuration, we will accommodate it. Common bus circuitry requires more tail terminations than matrix circuitry and often requires more intricate trace routing, although matrix circuitry can also be complex. Some forethought in your design can often save design and production costs in your switch.
Coordinating membrane keypad positions to tail pin positions can save a lot of crossover circuitry and possible expense in both common bus and matrix circuits. Allowing as much clearance as possible between the tail exit location and the nearest key position, or window, will also help to eliminate trace routing problems.
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