For convex part of membrane switch’s panels, “convex circle” may be used for production, hand-feeling of keypads is comfortable, beautiful appearance, and can prolong the service life of the keys.A simple example is introduced as follows:
Applicated Products: a,on the keys’ back directly printed silver pulp, can be directly put on the PCB containing buttons.
B, combined domes, key force better stability, longer service life.
Advantage: product’s appearance is beautiful,hand-feeling of keys is good, long service life.
Application: widely used in household appliances, electronic communication, industrial automation equipment and other fields.