| 摘要 |
PURPOSE:To make the display behind a sheet easy to see through and to reduce the reflection of a worker himself or the background thereof. CONSTITUTION:Unevenness 2 is formed on the single surface of a light pervious substrate sheet 1 composed of polycarbonate by a stamping method and a transparent membrane layer 3 composed of a fluorine compd. with a refractive index of 1.34 is formed on both surfaces of the light pervious substrate sheet in a dry film thickness of 1026Angstrom by dip coating. |
