Metal Dome Array, Stainless Dome Array, Metal Dome Arrays A metal dome array & sheet(dome array) is a kind of PET sheet that carries metal dome contacts. The dome array(metal dome array) is the most cost effective solution for a simple switch with a superior tactile interface between your equipment and the user. Compared to the membrane polyester switch which was formerly used, it gives good click feeling. It also gives much longer lasting life span compared to poly dome sheets. It also takes place of down going productivity of tact switches with its potential productivity. Metal dome contacts on the arrays(sheets) are positioned over the contact point of PCBs. When a dome is pressed, the center of it contacts to the PCB and let the electric current flow through. This is how metal dome work. Type of Dome array: 1. Single Layer Dome Array 2. Double Layer Dome Array 3. EMI Printing Dome Array 4. LGF Dome Array 5. Rubber Glue Dome Array 6. Custom Designs Dome Array