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US4113494A Expired / Lapsed US ⏱️ 0.0 years remaining

Structure for producing imaged structures

Assignee: Energy Conversion Devices Inc
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Filing: 1971-12-08
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Granted: 1978-09-12
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Expires: 1991-12-08
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Abstract

Abstract A structure for producing images, such as microform, comprises a layer of a water soluble high molecular weight condensation product of a nitrogen compound, which is capable of giving off nitrogen upon subjecting it to energy, to form an insoluble resinous product, and thereunder a layer of an image forming material which is not soluble in water. The imaging structure may also comprise as the image forming material a layer of a composition which contains from about 50 to 100 atomic percent, and preferably from about 80 to 100 atomic percent tellurium and extended thereover a layer of an energy sensitive material, which is capable of changing, upon subjecting it to energy, its solubility such that a latent image of soluble and insoluble areas is formed upon imagewise exposure. The image is formed by dissolving the energy sensitive material in the areas where it has the greater solubility in one solvent and dissolving the portions of the image forming material in the areas where the energy sensitive material has been dissolved, in another solvent.

Inventors

  • 👤 Robert W. Hallman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 17:31
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/016

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 154 words
An imaging material comprising: a layer comprising a thin film of an energy sensitive high molecular weight condensation product of a nitrogen containing compound which is soluble in a first solvent and which upon the application of energy thereto is capable of giving off nitrogen thereby becoming insoluble in said first solvent; and a layer comprising a thin film of an image forming material, which is soluble in a second solvent and not soluble in said first solvent, the film of the condensation product and the film of the image forming material and the thinnesses thereof being such that the change in state of the condensation product upon the application of energy thereto and the dissolution by said second solvent of the image forming material in the areas where the condensation product has not undergone a change in state, can, together, take place in substantially less than 1 minute to provide an imaged product.
Claim 2
Dependent Claim 154 words
An imaging material comprising: a layer comprising a thin film of an energy sensitive high molecular weight condensation product of a nitrogen containing compound which is soluble in a first solvent and which upon the application of energy thereto is capable of giving off nitrogen thereby becoming insoluble in said first solvent; and a layer comprising a thin film of an image forming material, which is soluble in a second solvent and not soluble in said first solvent, the film of the condensation product and the film of the image forming material and the thinnesses thereof being such that the change in state of the condensation product upon the application of energy thereto and the dissolution by said second solvent of the image forming material in the areas where the condensation product has not undergone a change in state, can, together, take place in substantially less than 1 minute to provide an imaged product.
Claim 3
Dependent Claim 24 words
The imaging material of claim 1, in which said energy sensitive high molecular weight condensation product is a condensation product of a diazonium compound.
Claim 4
Dependent Claim 25 words
The imaging material of claim 1, in which said energy sensitive high molecular weight condensation product is a condensation product of an aromatic diazonium compound.
Claim 5
Dependent Claim 22 words
The imaging material of claim 2, in which said energy sensitive condensation product is a formaldehyde condensation product of a diazonium compound.
Claim 6
Dependent Claim 18 words
The imaging material of claim 1, in which said energy sensitive condensation product is Diazo Resin No. 4.
Claim 7
Dependent Claim 16 words
The imaging material of claim 1, in which said image forming material is a non-metallic material.
Claim 8
Dependent Claim 23 words
The imaging material of claim 1, in which said image forming material is a material, which is readily soluble in a non-obnoxious solvent.
Claim 9
Dependent Claim 16 words
The imaging material of claim 1, in which said image forming material is a memory material.
Claim 10
Dependent Claim 25 words
The imaging material of claim 1, in which said image forming material is a composition from about 50 atomic percent to 100 atomic percent tellurium.
Claim 11
Dependent Claim 17 words
The imaging material of claim 1, in which said energy sensitive condensation product is soluble in water.
Claim 12
Dependent Claim 22 words
The imaging material of claim 1, in which said image forming material is soluble in liquid medium, which contains an oxidizing agent.
Claim 13
Dependent Claim 20 words
The imaging material of claim 1, in which said layer comprising the image forming material is contained on a substrate.
Claim 14
Dependent Claim 19 words
The imaging material of claim 1, in which said image forming material is a composition composed substantially of molybdenum.
Claim 15
Dependent Claim 179 words
An imaging material comprising: a layer comprising a thin film of an energy sensitive material which is capable of changing upon the application of energy between two states, one of which is a state in which the material is soluble in a first solvent, the other being a state in which the material is not soluble in said first solvent; and a layer comprising as an image forming material a thin film of an opaque tellurium composition which comprises from about 50 atomic percent to 100 atomic percent tellurium and which is soluble in a second solvent, but not soluble in said first solvent, the film of energy sensitive material and the film of the tellurium composition and the thinnesses thereof being such that the change in state of the energy sensitive material upon the application of energy thereto and dissolution by said second solvent of the tellurium composition in the areas where the energy sensitive material has not undergone a change in state, can, together, take place in substantially less than 1 minute to provide an imaged product.
Claim 16
Dependent Claim 179 words
An imaging material comprising: a layer comprising a thin film of an energy sensitive material which is capable of changing upon the application of energy between two states, one of which is a state in which the material is soluble in a first solvent, the other being a state in which the material is not soluble in said first solvent; and a layer comprising as an image forming material a thin film of an opaque tellurium composition which comprises from about 50 atomic percent to 100 atomic percent tellurium and which is soluble in a second solvent, but not soluble in said first solvent, the film of energy sensitive material and the film of the tellurium composition and the thinnesses thereof being such that the change in state of the energy sensitive material upon the application of energy thereto and dissolution by said second solvent of the tellurium composition in the areas where the energy sensitive material has not undergone a change in state, can, together, take place in substantially less than 1 minute to provide an imaged product.
Claim 17
Dependent Claim 28 words
The imaging material of claim 14, in which said image forming material comprises a tellurium composition which contains from about 80 atomic percent to 100 atomic percent tellurium.
Claim 18
Dependent Claim 56 words
The imaging material of claim 14, in which the energy sensitive material comprises a compound which changes, upon the application of energy from one chemical composition to another chemical composition, said compounds of different composition having a substantially different solubility in said first solvent, which is not a solvent for said tellurium containing image forming material.
Claim 19
Dependent Claim 16 words
The imaging material of claim 14, in which the energy sensitive material is a photo-sensitive material.
Claim 20
Dependent Claim 27 words
The imaging material of claim 14, in which the energy sensitive material is a water soluble diazonium compound, which upon the application of energy becomes water insoluble.

References Cited (Backward Citations)

US3479182A Cited
US3639185A Cited
US3682636A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-09-11 1982-03-13 1982-09-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-09-11 1986-03-13 1986-09-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-09-11 1990-03-13 1990-09-12 $7700.00 Window Closed / Lapsed

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