Thermoplastic holographic media
First Claim
1. An article comprising a holographic recording medium comprising:
- a binder component comprising at least one thermoplastic;
a polymerizable component comprising at least one photoactive monomer that is soluble in said binder component, wherein the at least one photoactive monomer is dissolved in said binder component;
a photoinitiator component comprising at least one photoinitiator that causes said polymerizable component to form a polymer or co-polymer when a portion of said polymerizable component is exposed to a light source; and
a photoactive component and photobinding receptorswherein said holographic recording medium is capable of recording spatial light distribution via a spatial refractive index change to provide recorded data pages in said holographic recording medium;
wherein said article behaves as a thermoplastic;
wherein said article is volatile compound free;
wherein said article has a melting point at least 10°
C. greater than room temperature; and
wherein said article has a thickness greater than 150 μ
m.
3 Assignments
0 Petitions
Accused Products
Abstract
The present invention provides an article comprising: a binder component, a polymerizable component; and a photoinitiator component comprising at least one photoinitiator that causes the polymerizable component to form a polymer or co-polymer when a portion of the polymerizable component is exposed to a light source. The present invention also provides a method for making such an article, and a method and a system for holographically recording a spatial light distribution to such an article. The present invention also provides an article comprising: a binder component and a photoactive component, a method of making such an article, a method of recording to such an article and a system for recording to such an article.
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Citations
65 Claims
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1. An article comprising a holographic recording medium comprising:
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a binder component comprising at least one thermoplastic; a polymerizable component comprising at least one photoactive monomer that is soluble in said binder component, wherein the at least one photoactive monomer is dissolved in said binder component; a photoinitiator component comprising at least one photoinitiator that causes said polymerizable component to form a polymer or co-polymer when a portion of said polymerizable component is exposed to a light source; and a photoactive component and photobinding receptors wherein said holographic recording medium is capable of recording spatial light distribution via a spatial refractive index change to provide recorded data pages in said holographic recording medium; wherein said article behaves as a thermoplastic; wherein said article is volatile compound free; wherein said article has a melting point at least 10°
C. greater than room temperature; andwherein said article has a thickness greater than 150 μ
m. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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31. An article comprising a holographic recording medium comprising:
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a porous substrate; a binder component comprising at least one thermoplastic; a polymerizable component comprising at least one photoactive monomer that is soluble in said binder component, wherein the at least one photoactive monomer is dissolved in said binder component; a photoinitiator component comprising at least one photoinitiator that causes said polymerizable component to form a polymer or co-polymer when a portion of said polymerizable component is exposed to a light source; and a photoactive component and photobinding receptors wherein said holographic recording medium is capable of recording spatial light distribution via a spatial refractive index change to provide recorded data pages in said holographic recording medium; wherein said article behaves as a thermoplastic; wherein said article is volatile compound free; wherein said article has a melting point at least 10°
C. greater than room temperature;wherein said article has a thickness greater than 150 μ
m;wherein said porous substrate is infused with said binder component, said polymerizable component and said photoinitiator. - View Dependent Claims (32, 33, 34, 35)
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54. An article comprising a holographic recording medium comprising:
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a binder component comprising at least one thermoplastic; a polymerizable component comprising at least one photoactive monomer that is soluble in said binder component, wherein the at least one photoactive monomer is dissolved in said binder component; and a photoinitiator component comprising at least one photoinitiator that causes said polymerizable component to form a polymer or co-polymer when a portion of said polymerizable component is exposed to a light source; wherein said holographic recording medium is capable of recording spatial light distribution via a spatial refractive index change to provide recorded data pages in said holographic recording medium; wherein said article behaves as a thermoplastic; wherein said article is volatile compound free; wherein said article has a melting point at least 10°
C. greater than room temperature;wherein said article has a thickness greater than 150 μ
m; andwherein when a portion of said polymerizable component forms a polymer or copolymer due to being exposed to said light source said binder component becomes covalently crosslinked with said polymer or copolymer.
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55. An article comprising a holographic recording medium comprising:
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a binder component comprising at least one thermoplastic; a polymerizable component comprising at least one photoactive monomer that is soluble in said binder component, wherein the at least one photoactive monomer is dissolved in said binder component; and a photoinitiator component comprising at least one photoinitiator that causes said polymerizable component to form a polymer or co-polymer when a portion of said polymerizable component is exposed to a light source; wherein said holographic recording medium is capable of recording spatial light distribution via a spatial refractive index change to provide recorded data pages in said holographic recording medium; wherein said article behaves as a thermoplastic; wherein said article is volatile compound free; wherein said article has a melting point at least 10°
C. greater than room temperature;wherein said article has a thickness greater than 150 μ
m; andwherein when a portion of said polymerizable component forms a polymer or copolymer due to being exposed to said light source said binder component becomes non-covalently crosslinked with said polymer or copolymer.
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56. An article comprising a holographic recording medium comprising:
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a binder component comprising at least one thermoplastic; a polymerizable component comprising at least one photoactive monomer that is soluble in said binder component, wherein the at least one photoactive monomer is dissolved in said binder component; and a photoinitiator component comprising at least one photoinitiator that causes said polymerizable component to form a polymer or co-polymer when a portion of said polymerizable component is exposed to a light source, wherein said holographic recording medium is capable of recording spatial light distribution via a spatial refractive index change to provide recorded data pages in said holographic recording medium; wherein said holographic recording medium is capable of recording spatial light distribution via a spatial refractive index change to provide recorded data pages in said holographic recording medium; wherein said article includes a slow thermosetting agent, wherein the thermosetting agent causes one or more thermoplastics in the binder component to eventually thermoset, but does not cause any of the thermoplastics in the binder component to become thermoset in fewer than 10 minutes when the article is cooled back to room temperature after the article has been heated to be in a flowable state; wherein said article behaves as a thermoplastic prior to the thermosetting agent causing one or more thermoplastics in the binder component to thermoset; wherein said article is volatile compound free; wherein said article has a melting point at least 10°
C. greater than room temperature; andwherein said article has a thickness greater than 150 μ
m. - View Dependent Claims (57, 58)
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59. An article comprising a holographic recording medium comprising:
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a binder component comprising at least one thermoplastic; a polymerizable component comprising at least one photoactive monomer that is soluble in said binder component, wherein the at least one photoactive monomer is dissolved in said binder component; and a photoinitiator component comprising at least one photoinitiator that causes said polymerizable component to form a polymer or co-polymer when a portion of said polymerizable component is exposed to a light source; wherein said holographic recording medium is capable of recording spatial light distribution via a spatial refractive index change to provide recorded data pages in said holographic recording medium; wherein said article behaves as a thermoplastic; wherein said article is volatile compound free; wherein said article has a melting point at least 10°
C. greater than room temperature;wherein said article has a thickness greater than 150 μ
m; andwherein vinyl ether functionalities are attached to said at least one thermoplastic.
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60. An article comprising a holographic recording medium comprising:
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a binder component comprising at least one thermoplastic; a polymerizable component comprising at least one photoactive monomer that is soluble in said binder component, wherein the at least one photoactive monomer is dissolved in said binder component; and a photoinitiator component comprising at least one photoinitiator that causes said polymerizable component to form a polymer or co-polymer when a portion of said polymerizable component is exposed to a light source; wherein said holographic recording medium is capable of recording spatial light distribution via a spatial refractive index change to provide recorded data pages in said holographic recording medium; wherein said article behaves as a thermoplastic; wherein said article is volatile compound free; wherein said article has a melting point at least 10°
C. greater than room temperature;wherein said article has a thickness greater than 150 μ
m; andwherein said binder component comprises a plurality of thermoplastics and wherein vinyl ether functionalities are attached to at least one of said thermoplastics.
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61. A solid article comprising a holographic recording medium comprising:
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a binder component comprising at least one thermoplastic; and a photoactive component comprising at least one photoactive molecule that is soluble and dissolved in said binder component, wherein said article has a melting point at least 10°
C. greater than room temperature and wherein said holographic recording medium is capable of recording spatial light distribution via a spatial refractive index change to provide recorded data pages in said holographic recording medium;wherein part or all of said photoactive component is photoreversible and wherein said binder component contains photobinding receptor wherein said article behaves as a thermoplastic, and wherein said article is volatile compound free; and wherein said article has a thickness greater than 150 μ
m. - View Dependent Claims (62, 63)
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64. An article comprising:
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a binder component comprising at least one thermoplastic; a polymerizable component comprising at least one photoactive monomer that is soluble in said binder component, wherein the at least one photoactive monomer is dissolved in said binder component; and a photoinitiator component comprising at least one photoinitiator that causes said polymerizable component to form a polymer or co-polymer when a portion of said polymerizable component is exposed to a light source, wherein said article is capable of recording spatial light distribution via a spatial refractive index change; wherein said article has a 90°
light scattering Rayleigh ratio of less than 7×
10−
3 cm−
1;wherein said article behaves as a thermoplastic; wherein said article is volatile compound free; wherein said article has a melting point at least 10°
C. greater than room temperature; andwherein said article has a thickness greater than 150 μ
m. - View Dependent Claims (65)
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Specification