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US3753705A Expired / Lapsed US ⏱️ 0.0 years remaining

Agglomeration imaging process using hardenable material

Assignee: Xerox Corp
•
Filing: 1969-10-01
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Granted: 1973-08-21
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Expires: 1989-10-01
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Abstract

Abstract An imaging system comprising providing an imaging member comprising an agglomerable layer in contact with an imagewise hardenable-softenable layer and imagewise hardening said member. An image is developed by imagewise softening said member to cause relative transparentizing in the imagewise softened areas due to an agglomeration of the agglomerable layer in the imagewise softened portions of said member.

Inventors

  • 👤 W Goffe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:14
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/56

Claims Analysis

Total Claims: 34
Claim 1
Independent Claim 24 words
An imaging method according to claim 1 wherein said imagewise hardening is at least partially accomplished by imagewise exposing the member to hardening radiation.
Claim 2
Dependent Claim 14 words
An imaging method according to claim 2 wherein said hardening radiation is ultraviolet radiation.
Claim 3
Dependent Claim 20 words
An imaging method according to claim 2 wherein the member is softened by substantially uniform exposure to a softening agent.
Claim 4
Dependent Claim 20 words
An imaging method according to claim 1 wherein said agglomerable layer is between about 0.05 and about 5 microns thick.
Claim 5
Dependent Claim 20 words
An imaging method according to claim 5 wherein said agglomerable layer is between about 0.1 and about 1 micron thick.
Claim 6
Dependent Claim 16 words
An imaging method according to claim 5 wherein said agglomerable layer is a microscopically discontinuous layer.
Claim 7
Dependent Claim 19 words
An imaging method according to claim 7 wherein said microscopically discontinuous agglomerable layer is composed of closely packed particles.
Claim 8
Dependent Claim 15 words
An imaging method according to claim 5 wherein said agglomerable layer comprises predominantly amorphous selenium.
Claim 9
Dependent Claim 15 words
An imaging method according to claim 8 wherein said agglomerable layer comprises predominantly amorphous selenium.
Claim 10
Dependent Claim 22 words
An imaging method according to claim 10 wherein the average diameter of said particles is between about 0.1 and about 0.5 microns.
Claim 11
Dependent Claim 17 words
An imaging method according to claim 1 wherein said member comprises agglomerable particles dispersed in a binder.
Claim 12
Dependent Claim 21 words
An imaging method according to claim 12 wherein the weight ratio of particles to binder is between about 1/1 and one-third.
Claim 13
Dependent Claim 18 words
An imaging method according to claim 13 wherein the binder layer is less than about 5 microns thick.
Claim 14
Dependent Claim 13 words
An imaging method according to claim 1 wherein said agglomerable layer comprises selenium.
Claim 15
Dependent Claim 14 words
An imaging method according to claim 15 wherein said agglomerable layer comprises amorphous selenium.
Claim 16
Dependent Claim 15 words
An imaging method according to claim 16 wherein said agglomerable layer comprises predominantly amorphous selenium.
Claim 17
Dependent Claim 22 words
An imaging method according to claim 4 wherein said softening is at least partially accomplished by exposing said member to softening vapors.
Claim 18
Dependent Claim 22 words
An imaging method according to claim 4 whereIn softening is at least partially accomplished by exposing said member to a softening liquid.
Claim 19
Dependent Claim 27 words
An imaging method according to claim 18 wherein said agglomerable layer is not separated from said vapors by more than about 1 micron of hardenable softenable layer.
Claim 20
Dependent Claim 27 words
An imaging method according to claim 19 wherein said agglomerable layer is not separated from said liquid by more than about 1 micron of hardenable softenable layer.
Claim 21
Dependent Claim 28 words
An imaging method according to claim 2 wherein said agglomerable layer is between about 0.05 and about 5 microns thick, is microscopically discontinuous and comprises predominantly amorphous selenium.
Claim 22
Dependent Claim 28 words
An imaging method according to claim 4 wherein said agglomerable layer is between about 0.05 and about 5 microns thick, is microscopically discontinuous and comprises predominantly amorphous selenium.
Claim 23
Dependent Claim 28 words
An imaging method according to claim 1 wherein said hardenable softenable layer overlies a substrate and said hardenable agglomerable layer is at least embedded in said softenable layer.
Claim 24
Dependent Claim 17 words
An imaging method according to claim 24 wherein said agglomerable layer is spaced apart from said substrate.
Claim 25
Dependent Claim 28 words
An imaging method according to claim 22 wherein said hardenable softenable layer overlies a substrate and said agglomerable layer is at least embedded in said hardenable softenable layer.
Claim 26
Dependent Claim 31 words
An imaging method according to claim 26 wherein said substrate is at least partially transparent to said hardening radiation and said member is imagewise hardening radiation exposed from the substrate side.
Claim 27
Dependent Claim 18 words
An imaging method according to claim 24 wherein said agglomerable layer is completely embedded in said hardenable-softenable layer.
Claim 28
Dependent Claim 32 words
An imaging method according to claim 28 wherein said agglomerable layer comprises predominantly amorphous selenium and is composed of closely packed particles and is between about 0.05 and about 5 microns thick.
Claim 29
Dependent Claim 15 words
An imaging method according to claim 1 wherein said agglomerable layer comprises a photohardenable material.
Claim 30
Dependent Claim 46 words
An imaging method according to claim 4 wherein said hardenable-softenable layer overlies a substrate which is at least partially transparent to softening radiation for said hardenable-softenable layer and said softening is at least partially accomplished by exposing said member from the substrate side to softening radiation.
Claim 31
Dependent Claim 31 words
An imaging method according to claim 1 wherein said agglomerable layer in contact with an imagewise hardenable-softenable layer is a binder structure composed of agglomerable particles dispersed in said hardenable-softenable layer.
Claim 32
Dependent Claim 31 words
An imaging method according to claim 32 wherein said agglomerable particles are substantially uniformly dispersed in said hardenable-softenable layer in a particle/binder weight ratio of from about 1/1 to about one-third.
Claim 33
Dependent Claim 20 words
An imaging method according to claim 33 wherein the thickness of said hardenable-softenable layer is less than about 5 microns.
Claim 34
Dependent Claim 23 words
An imaging method according to claim 31 wherein said softening radiation is infrared radiation at an exposure greater than about 0.2 watts/square mm.

References Cited (Backward Citations)

US3236647A Cited
US3484238A Cited
US3556781A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-08-20 1977-02-19 1977-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-08-20 1981-02-19 1981-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-08-20 1985-02-19 1985-08-21 $7700.00 Window Closed / Lapsed

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