La description

Membrane Keypad The construction of a regular membrane keypad is graphic overlay(faceplate) + adhesive + top circuit(sometimes with metal dome)+spacer +bottom circuit + rear adhesive  Graphic overlay: made of PET, the best material for this layer.We can design and make perfect graphic overlay to impress your customers.  Printing technique: usually adopt screen printing method to add color and patterns to the faceplate and make circuit trace on PET. we do this extremely carefully and inspect 3 times throughout producing process to ensure a high quality printing effect.  Domes: we can offer either stainless steel dome or polyester dome which can be pressed more than 1 million times without damaging it.We can promise that the domes can still work well after your machine is scraped  Flex circuit: Made of PET with silver printed trace, sometimes also with connector, LEDs etc  Rear adhesive Usually use the best name brand adhesive—3M adhesive