Invention Grant
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
- Patent Title: Fabrication process of multi-image type hologram, and multi-image type hologram fabricated by that process
- Patent Title (中): 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
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Application No.: US11608097Application Date: 2006-12-07
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Publication No.: US09001401B2Publication Date: 2015-04-07
- Inventor: Tsuyoshi Yamauchi , Masachika Watanabe , Tomoko Kumasawa , Makio Kurashige , Akiko Kitamura , Mitsuru Kitamura , Kenji Ueda
- Applicant: Tsuyoshi Yamauchi , Masachika Watanabe , Tomoko Kumasawa , Makio Kurashige , Akiko Kitamura , Mitsuru Kitamura , Kenji Ueda
- Applicant Address: JP Tokyo
- Assignee: Dai Nippon Printing Co., Ltd.
- Current Assignee: Dai Nippon Printing Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2005-358637 20051213; JP2006-012642 20060120; JP2006-306502 20061113; JP2006-306503 20061113
- Main IPC: G03H1/20
- IPC: G03H1/20 ; G03H1/26 ; G03H1/30 ; G03H1/02 ; G03H1/22

Abstract:
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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