| 摘要 |
FIELD: manufacture of decorations. SUBSTANCE: curved surface member has diffraction grid formed on inner or outer side of at least part of said surface, said diffraction grid gives feeling for color to spectator. Diffraction grid may be made in the form of holographic optical member connected to curved surface, or diffraction holographic picture embossed on curved surface. EFFECT: increased efficiency in manufacturing of Christmas decorations including decorative holograms. 44 cl, 11 dwg |
