metal Dome Tactile Membrane Switch for Machine Exterior Control Panel

Quick Details

Five layers in total: 

                     1. Surface layer, the main material is PC & PET

                     2. Spacer layer (common used is 3M adhesive), can be customized.

                     3. Silicone button layer

                     4. Circuit layer, Toray PET t=0.125mm

                     5. 3M adhesive