What is Graphic Overlay?
Graphic Overlay is A thin polyester or polycarbonate substrate that acts as the top layer of a membrane switch.
Normally,it is silk screen printed or digitally printed onto the second (back) surface,
then adhesive is applied to the back for easy application.
Printing on the second surface allows the substrate to protect the printing from damage.
This process distinguishes an overlay from a label.
it may also be the intuitive part of the electronic interface that connects the user to the machine, device or device or the company’s logo and is widely used in medical, advertising, electronics and commerce industries.
Material selection: …