Hologram recording material and hologram recording medium

一种全息照相、记录材料的技术，应用在全息图记录材料、记录载体材料、记录信息存储等方向，能够解决记录不均匀、基体单一等问题，达到容易设计、柔软性优越、相溶性良好的效果

Inactive Publication Date: 2007-04-25
TDK CORPARATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is generally believed that the introduction of a large organic main chain component makes the matrix material have a two-component structure of an organic main chain and an inorganic network, which may not show a single property as a matrix during recording, causing uneven recording.

Method used

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  • Hologram recording material and hologram recording medium
  • Hologram recording material and hologram recording medium
  • Hologram recording material and hologram recording medium

Examples

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Embodiment 1

[0080] Using diphenyldimethoxysilane and a titanium butoxide polymer represented by the following structural formula, a holographic recording material was produced by the sol-gel method in the following steps.

[0081]

[0082] (Synthesis of organometallic compounds)

[0083] 7.8 g of diphenyldimethoxysilane and 7.2 g of a titanium butoxide polymer (manufactured by Nippon Soda, B-10) were mixed in 40 mL of a tetrahydrofuran solvent to prepare an alkoxide solution. That is, the molar ratio of Si and Ti is 1:1.

[0084] A solution consisting of 2.1 mL of water, 0.3 mL of 1N aqueous hydrochloric acid solution, and 5 mL of tetrahydrofuran was dropped into the alkoxide solution at room temperature while stirring, and the stirring was continued for 2 hours to carry out a hydrolysis reaction. Thus, a sol solution of an organometallic compound containing Si:Ti:phenyl=1:1:2 (molar ratio) was obtained.

[0085] (photopolymerizable compound)

[0086] 3 parts by weight of IRG-784 (C...

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Abstract

A hologram recording material and a hologram recording medium suitable for volume hologram recording in which high refractive index variation, flexibility, high sensitivity, low scattering, environmental resistance, durability, low dimensional variation and high multiplicity are attained. The hologram recording material contains an organic metal compound having at least two kinds of metal, oxygen and an aromatic group and having an organic metal unit wherein two aromatic groups are directly bonded to one metal, and a photopolymerizable compound. One of the above-mentioned at least two kinds of metal is Si and metal other than Si are preferably selected from a group consisting of Ti, Zr, Ge, Sn, Al and Zn. In the organic metal unit, two aromatic groups are preferably bonded to Si directly. A hologram recording medium (11) has a hologram recording material layer (21).

Description

technical field [0001] The present invention relates to a hologram recording material suitable for volume type hologram recording and a hologram recording medium having the hologram recording material. Background technique [0002] As a recording technology capable of large-capacity and high-speed transmission, research and development of holographic memory is underway. In O plus E, Vol. 25, No. 4, 385-390 (2003), the basic configuration and future prospects of the holographic memory are described. [0003] The properties sought for holographic recording materials include, for example, high refractive index change during recording, high sensitivity, low scattering, environmental resistance, durability, low dimensional change, and high multiplicity. As a holographic recording material, a photopolymer material mainly composed of an organic binder polymer and a photopolymerizable monomer is known. However, photopolymer materials have problems in terms of environmental resista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03H1/02G03F7/004G03F7/075G11B7/0065G03F7/00
CPCG03H2001/0264G11B7/0065G03H2260/12G03H2250/37G03H1/02G11B7/245G03F7/0042G03F7/001G11B7/24044G11B7/2492G03F7/0757
Inventor 水岛哲郎塚越拓哉三浦荣明吉成次郎
Owner TDK CORPARATION
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