Scanner windows are transparent protective components that are commonly used in optical electronic devices, scanners, passport readers, and various other devices. They serve as the outermost surface that allows light to pass through while providing protection to the internal components of the device.
A first surface mirror is a special type of mirror that is different from a traditional back surface mirror (two-sided mirror) in that its reflective layer is located on the front side of the mirror (that is, the side that light first touches), rather than on the other side. Glass back. This allows it to reduce light loss and distortion during reflection.