发明授权
US09001401B2 Fabrication process of multi-image type hologram, and multi-image type hologram fabricated by that process 有权
多图像全息图的制作工艺,以及通过该工艺制造的多图像型全息图

Fabrication process of multi-image type hologram, and multi-image type hologram fabricated by that process
摘要:
A process by which a multi-image type hologram, wherein one 3D image changes over to another depending on a viewing direction, can be fabricated in a simple construction, and a multi-image type hologram fabricated by that process. According to the process for the fabrication of a multi-image type hologram wherein one image changes over to another depending on a viewing direction, the area of a hologram recording material is divided into a plurality of sub-areas. Objects to be displayed on different images are holographically recorded in the respective sub-areas, using reference light having the same angle of incidence, images recorded in the respective sub-areas are simultaneously reconstructed from the recorded first-stage hologram, so that a second-stage hologram recording material is located near the reconstructed object images for recording them as a reflection or transmission type volume hologram.
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