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REWRITABLE HOLOGRAM RECORDING MATERIAL, METHOD FOR RECORDING/ERASING HOLOGRAM, AND HOLOGRAM RECORDING DEVICE NEW

外国特許コード F170009160
整理番号 (S2016-0281-N0)
掲載日 2017年8月29日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2016JP089023
国際公開番号 WO 2017138277
国際出願日 平成28年12月28日(2016.12.28)
国際公開日 平成29年8月17日(2017.8.17)
優先権データ
  • 特願2016-025264 (2016.2.12) JP
発明の名称 (英語) REWRITABLE HOLOGRAM RECORDING MATERIAL, METHOD FOR RECORDING/ERASING HOLOGRAM, AND HOLOGRAM RECORDING DEVICE NEW
発明の概要(英語) A rewritable hologram recording material having characteristics in which fast responsiveness and long-term memory are both achieved, wherein the rewritable hologram recording material is characterized by containing: a copolymer obtained by introducing a carbazole azobenzene in a portion of the side chain of an acrylic polymer; and a carbazole azobenzene molecule that is the same type or a different type as the above-noted carbazole azobenzene.
特許請求の範囲(英語) [claim1]
1. Introducing the carbazole azobenzen into portion of the side chain of the modacrylic polymer, the copolymer which becomes, and,
The above-mentioned carbazole azobenzen and same kind or it features that the carbazole azobenzen molecule of different kind is contained, it rewrites, the type hologram record material.
(Here, the carbazole azobenzen is displayed formula below at (1).)
[claim2]
2. The above-mentioned carbazole azobenzen, in the above-mentioned formula (1) it is the carbazole azobenzen where X is the cyano basis, the nitro group or the methoxy basis, in claim 1 the rewriting type hologram record material of statement.
[claim3]
3. The carbazole azobenzen and, description above carbazole azobenzen molecule which introduce into the side chain -description above copolymer do be be same kind be, claim 1 or in 2 the rewrite type hologram record material of statement.
[claim4]
4. The above-mentioned modacrylic polymer, 1 kinds is selected at least from the group which consists of poly- methyl methacrylate, poly- ethyl methacrylate and poly- methyl acrylate, either of the claim 1-3 in 1 sections the rewriting type hologram record material of statement.
[claim5]
5. Molar concentration of total of the basis and the above-mentioned carbazole azobenzen molecule which are derived from the above-mentioned carbazole azobenzen which confronts the total weight of the above-mentioned copolymer and the above-mentioned carbazole azobenzen molecule which are contained in the above-mentioned rewriting type hologram record material, is included in the above-mentioned copolymer, the 5x10 (- 4) above mol/g, the 2.0x10 (- 3) is below mol/g, either of the claim 1-4 in 1 sections the rewriting type hologram record material of statement.
[claim6]
6. It confronts the basis which is derived from the carbazole azobenzen which is included in the above-mentioned copolymer, mol ratio of the above-mentioned carbazole azobenzen molecule, 0.5 or more and is 2.0 or less, either of the claim 1-5 in 1 sections the rewriting type hologram record material of statement.
[claim7]
7. The weight average molecular weight of the above-mentioned copolymer 10,000 or more and is 200,000 or less, either of the claim 1-6 in 1 sections the rewriting type hologram record material of statement.
[claim8]
8. Being the record medium which possesses the hologram record element,
The above-mentioned hologram record element either of the claim 1-7 features that the rewriting type hologram record material of statement is contained in 1 sections, record medium.
[claim9]
9. Irradiating the polarized light vis-a-vis process and the above-mentioned hologram record element which make the interference fringes form inside the particular hologram record element interfering coherent object light and reference beam (2 luminous flux interferences) with inside the hologram record element containing the rewriting type hologram record material, the spatial optical modulator (SLM) pattern of stripes above making use of the laser light of 1 luminous flux, or, record hologram to the above-mentioned hologram record element being record elimination method of the hologram which includes the process which eliminates particular hologram by,
The above-mentioned rewriting type hologram record material, introducing the carbazole azobenzen into portion of the side chain of the modacrylic polymer, the copolymer which becomes, and,
The above-mentioned carbazole azobenzen which is introduced into the above-mentioned copolymer and same kind or vis-a-vis the hologram record element which consists of the material which furthermore contains the carbazole azobenzen molecule of different kind,
At least, it features that the process which eliminates particular hologram is done with the lighting of the circularly polarized light, record elimination method of hologram.
[claim10]
10. The above-mentioned object light and the above-mentioned reference beam in the process which it describes records, are the circularly polarized light, in claim 9 record elimination method of hologram of statement.
[claim11]
11. The process which plays back the hologram which is recorded by irradiating the polarized light of the same phase vis-a-vis the above-mentioned hologram record element which records hologram, as the above-mentioned reference beam, furthermore is included, in claim 9 or 10 record elimination method of hologram of statement.
[claim12]
12. The polarized light which is irradiated vis-a-vis the above-mentioned hologram record element which records hologram in the process which plays back the hologram which it describes records, is the circularly polarized light, in claim 11 record elimination method of hologram of statement.
[claim13]
13. Either of the claim 9-12 in order to do the record elimination method of hologram of statement in 1 sections, being the hologram recorder in order to use the record elimination method of the hologram due to 2 luminous flux interferences,
At least, it features that mechanism in order to obtain the circularly polarized light in the process which it describes eliminates, through the element for the circularly polarized light, vis-a-vis the above-mentioned hologram record element, is had, the hologram recorder.
[claim14]
14. Mechanism in order to obtain the above-mentioned circularly polarized light, is the .lambda./4 board, in claim 13 the hologram recorder of statement.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • Kyoto Institute of Technology
  • 発明者(英語)
  • TSUTSUMI NAOTO
  • KINASHI KENJI
  • YABUHARA YUKI
  • MOTOISHI SATSUKI
国際特許分類(IPC)
指定国 (WO2017138277)
National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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