| 摘要 |
<p>A simulated opal or decorative object, including a layer (15) in the form of a distorted film of iridescent material, a layer (17) of a semi-metallised hologram material, and a layer (19) of laser diffraction grating material, all bonded together by layers (16 and 18) of a thermosetting resin, and in turn bonded by a layer (14) of thermosetting resin to a housing (10).</p> |
