EP0030642A3 - Lithographic printing plate and method for producing the same - Google Patents

Lithographic printing plate and method for producing the same Download PDF

Info

Publication number
EP0030642A3
EP0030642A3 EP19800107228 EP80107228A EP0030642A3 EP 0030642 A3 EP0030642 A3 EP 0030642A3 EP 19800107228 EP19800107228 EP 19800107228 EP 80107228 A EP80107228 A EP 80107228A EP 0030642 A3 EP0030642 A3 EP 0030642A3
Authority
EP
Grant status
Application
Patent type
Prior art keywords
printing
film
lithographic
dielectric
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19800107228
Other languages
German (de)
French (fr)
Other versions
EP0030642A2 (en )
Inventor
Ari Aviram
John Gregory Cahill
Peter Swift Hauge
Keith Samuel Pennington
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM In this subclass the COPES System is used
    • B41N3/00Preparing for use and conserving printing surfaces
    • B41N3/03Chemical or electrical pretreatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41CPROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00Forme preparation
    • B41C1/10Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B41C1/1008Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials
    • B41C1/1033Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials by laser or spark ablation

Abstract

An improved lithographic printing plate includes a subs­ trate layer (21 of a nonconducting, hydrophobic material, an intermediate film (3) of conducting, hydrophilic material such as aluminum and a top protective film (5) of relatively hard hydrophilic dielectric material, such as aluminum oxide. A printing image is formed in the lithographic printing plate by an electroerosion process wherein erosion electrodes (7) are pulsed with voltage to break down the dielectric film (5) in areas adjacent to the erosion electrodes (7) and to evaporate or otherwise remove corresponding portions of the conduct­ ing film (3), thereby creating holes (8) that extend through the dielectric (5) and conducting (3) films and that expose por­ tions of the surface of the underlying hydrophobic substrate (2).
EP19800107228 1979-12-17 1980-11-20 Lithographic printing plate and method for producing the same Withdrawn EP0030642A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10396579 true 1979-12-17 1979-12-17
US103965 1979-12-17

Publications (2)

Publication Number Publication Date
EP0030642A2 true EP0030642A2 (en) 1981-06-24
EP0030642A3 true true EP0030642A3 (en) 1982-05-26

Family

ID=22297957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800107228 Withdrawn EP0030642A3 (en) 1979-12-17 1980-11-20 Lithographic printing plate and method for producing the same

Country Status (3)

Country Link
EP (1) EP0030642A3 (en)
JP (1) JPS6151558B2 (en)
CA (1) CA1144418A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3275025D1 (en) * 1982-03-09 1987-02-12 Ibm Deutschland Lithographic printing plate and method for producing the same
EP0101266A3 (en) * 1982-08-09 1985-04-03 Milliken Research Corporation Printing method and apparatus
JPS59114543A (en) * 1982-12-15 1984-07-02 Roneo Arukateru Ltd Opaque recording sheet and manufacture of offset lithographic plate using same
DE3416867A1 (en) * 1984-05-08 1985-11-14 Hoechst Ag Single-stage electrochemical image forming process for reproduction layers
EP0164461A1 (en) * 1984-06-06 1985-12-18 Roneo Alcatel Limited IMprovements in or relating to electro-sensitive materials
GB2200323B (en) * 1986-12-16 1991-05-01 Tetra Pak Ab Offset printing
DE3717652A1 (en) * 1987-05-26 1988-12-08 Hoechst Ag Single-stage electrochemical image forming process for reproduction layers
DE3717653A1 (en) * 1987-05-26 1988-12-08 Hoechst Ag Process for the selective additive correction of voids in emulsions
DE69313835D1 (en) * 1993-06-11 1997-10-16 Agfa Gevaert Nv Thermal recording method and process for producing printing plates
US5674416A (en) * 1995-08-28 1997-10-07 Aluminum Company Of America Arc treatment of metal surfaces
US5783364A (en) * 1996-08-20 1998-07-21 Presstek, Inc. Thin-film imaging recording constructions incorporating metallic inorganic layers and optical interference structures
GB9626230D0 (en) * 1996-12-18 1997-02-05 British Aerospace Application of stop-off material,particularly for use in diffusion bonding a superplastic forming
US6107001A (en) * 1997-05-05 2000-08-22 Presstek, Inc. Method and apparatus for non-ablative, heat-activated lithographic imaging

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE849609C (en) * 1950-11-06 1952-09-15 Bosch Gmbh Robert Bandfoermiger record carrier for recording measuring instruments
DE2111274A1 (en) * 1971-03-09 1972-10-12 Bosch Gmbh Robert Record carrier with a metallic coating to recorders and method for determining a bound oxygen content in the aluminum coating
FR2163199A5 (en) * 1972-02-01 1973-07-20 Bosch
FR2254440A1 (en) * 1973-12-13 1975-07-11 Vickers Ltd
US4082902A (en) * 1973-09-18 1978-04-04 Kabushiki Kaisha Ricoh Spark-recording type printing method and spark-recording material for use thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5550794B2 (en) * 1973-09-26 1980-12-19
JPS5059112A (en) * 1973-09-26 1975-05-22
JPS518574A (en) * 1974-07-10 1976-01-23 Matsushita Electric Ind Co Ltd Insatsuhaisenbanno seizohoho

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE849609C (en) * 1950-11-06 1952-09-15 Bosch Gmbh Robert Bandfoermiger record carrier for recording measuring instruments
DE2111274A1 (en) * 1971-03-09 1972-10-12 Bosch Gmbh Robert Record carrier with a metallic coating to recorders and method for determining a bound oxygen content in the aluminum coating
FR2163199A5 (en) * 1972-02-01 1973-07-20 Bosch
US4082902A (en) * 1973-09-18 1978-04-04 Kabushiki Kaisha Ricoh Spark-recording type printing method and spark-recording material for use thereof
FR2254440A1 (en) * 1973-12-13 1975-07-11 Vickers Ltd

Also Published As

Publication number Publication date Type
JPS6151558B2 (en) 1986-11-10 grant
CA1144418A (en) 1983-04-12 grant
CA1144418A1 (en) grant
JP1392557C (en) grant
EP0030642A2 (en) 1981-06-24 application
JPS5693590A (en) 1981-07-29 application

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Legal Events

Date Code Title Description
AK Designated contracting states:

Designated state(s): DE FR GB

AK Designated contracting states:

Designated state(s): DE FR GB

17P Request for examination filed

Effective date: 19820813

18D Deemed to be withdrawn

Effective date: 19831220

RIN1 Inventor (correction)

Inventor name: CAHILL, JOHN GREGORY

Inventor name: HAUGE, PETER SWIFT

Inventor name: PENNINGTON, KEITH SAMUEL

Inventor name: AVIRAM, ARI