WO1996000262A1 - Marking composition and laser marking method - Google Patents
Marking composition and laser marking method Download PDFInfo
- Publication number
- WO1996000262A1 WO1996000262A1 PCT/JP1994/001108 JP9401108W WO9600262A1 WO 1996000262 A1 WO1996000262 A1 WO 1996000262A1 JP 9401108 W JP9401108 W JP 9401108W WO 9600262 A1 WO9600262 A1 WO 9600262A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- marking
- developer
- toluene
- composition
- solubility
- 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.)
- Ceased
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
- B41M5/3333—Non-macromolecular compounds
- B41M5/3335—Compounds containing phenolic or carboxylic acid groups or metal salts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/447—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
- B41J2/455—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using laser arrays, the laser array being smaller than the medium to be recorded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/323—Organic colour formers, e.g. leuco dyes
- B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
- B41M5/3275—Fluoran compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
- B41M5/3331—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0041—Optical brightening agents, organic pigments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/333—Colour developing components therefor, e.g. acidic compounds
- B41M5/3333—Non-macromolecular compounds
- B41M5/3335—Compounds containing phenolic or carboxylic acid groups or metal salts thereof
- B41M5/3336—Sulfur compounds, e.g. sulfones, sulfides, sulfonamides
Definitions
- the present invention relates to a marking composition and a laser marking method for imparting a clear mark by irradiating a laser beam onto a surface of a molded material.
- coating such as electronic and electrical component housing, packaging, etc. is applied to the surface, and a UV-curable resin that can be laser-marked is applied to the surface.
- a method is known in which after curing, the resin is carved and marked by laser light. This method has the advantages that only a short process is required, and it is possible to mark fine products and obtain good marking.
- a commercially available ultraviolet-curable resin is used, there is a drawback that the obtained mark disappears due to oil adhesion or the like, depending on what is marked. I have.
- inks that are colored by lasers, especially black the use of compounds containing heavy metals such as lead has been used as a coloring agent in the past.
- a system using a leuco dye and a color developer which is known as a thermal recording material, is considered as a material that develops black without using heavy metals that cause environmental pollution.
- a system using leuco dye and color developer is applied, it has the disadvantage that the color gradually develops even when laser light is not irradiated (referred to as geostrophic pull). Disclosure of the invention
- a composition for laser marking using an ultraviolet curable resin even in a system using a leuco dye and a developer, there is no ground fog, and a clear black color is formed.
- the present invention has been achieved. That is, the inventors of the present invention use a leuco dye having low solubility in toluene, particularly one having a solubility at 25 ° C of 5 w / V% or less, and As a coloring agent, it has been found that a marking composition having the above-mentioned properties can be obtained by using a developing agent having low solubility in toluene, in particular, and the present invention. Was completed.
- the present invention more specifically
- R 1, R 2 represents a methyl group or an ethyl group
- X represents fluorine or chlorine
- n represents an integer of 0 to 2.
- the rho-dye is 2,2-bis (4— (6 '-(N-cyclohexyl-N-methyl-amino) -13'-methyl-spiro (phthalide-3 , 9'-xanthen) 1-2 '-(ilamino) phenyl) propane, the marking composition of (1) or (3) above,
- Developers whose solubility in toluene at 65 ° C is 1000 ppm or less are sulfonylphenol-type developers and methylenebisphenol-type developers.
- the solubility in toluene at 65 ° C is ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ (7) wherein the color developer having a pm or less is a 4,4'-ose phenol diphenyl-based color developer having a substituent or a phenol polymer.
- An ultraviolet curable resin a marking composition comprising one or more of the leuco dye described in (5) and the color developer described in (12) above,
- the color developer is 2,2 ', 6,6'-tetramethyl-,, 4'-sulfonic acid Diphenol, 2, 2 ', 6: 6'-tetrabromo 4, 4 '-phenolic diphenol or poly p-vinyl vinyl Color-forming composition,
- the energy-curable resin used in the present invention is, for example, a resin which can be cured by an energy ray such as infrared ray, visible light, ultraviolet ray, electron beam or the like, and preferably a resin which can be cured by ultraviolet ray.
- an energy ray such as infrared ray, visible light, ultraviolet ray, electron beam or the like
- examples thereof include a radical polymerization type resin and a cationic polymerization type resin, and the radical polymerization type is preferable.
- Radical polymerizable resins include various acrylic monomers, oligomers, and polyether-based, unsaturated polyester-based, epoxy-based, and urethane-based resins.
- acrylic monomers such as tan, polybenzene, polyacetar, polyester / urethane, and oligomers.
- Atariate Monomers are, for example, Trimethylone propane Recreate, Zipene Eri Retriole Pen Pen Recree , Tri-Methyl Roll Pro, Zero Jet Trirecreate, Trimethylolone Propane Recreate, Tripropylene Reconorelet Recreate, Neopentry Glycol Alloxy Regulation, Neopentry Glycol Propoxy Regulation, Triple Proprietary Recognition Recall Poliethylene Recall Recall, Bisphenol A Ekiseki Relate, Bisphenol Enol A Proboxile Recreator, 1, 6 — Hexanediol Recreator, 1, 4 — Butanion Reagentary Relay , Stealer create, phenol creature, non cre ate Norelet Nokia Recreate, 2 — Nokia Shechia Recreate, Nometo Recipient Reproducing Recall MONOTEX CINEO TECHNOLOGY GRIP COLOR PRO BOX MONO ACRATE, MONO METRIC CIT METALLOL PRONO.
- Polyester acrylate oligomers such as a reaction product of a polyester and acrylic acid based on a dibasic acid and an aliphatic diol as shown in the formula (4)
- Aliphatic or aromatic compounds obtained by reaction with an aliphatic or aromatic isocyanate based on a polyol or a polyester as shown in Relates are provided.
- cation polymerization type resin various aliphatic, alicyclic and aromatic epoxy resins are used, and particularly preferred are monovalent and polyvalent alcohols.
- a photoinitiator for curing.
- an initiator for example, thioxanthone is used for the radical polymerization type resin.
- Known photoinitiators such as benzoquinone-based, anthraquinone-based, acetate phenone-based, benzoin ether-based, benzophenone-based, and cationic polymerization type
- Known resins such as aromatic diazonium salt, aromatic halonium salt, aromatic sulfonium salt and metallocene compound are used for the resin.
- the temperature is preferably in the range of 80 to 170 ° C, more preferably 100 to 1100 ° C, in order to further complete the curing. Heating in the range of 50 ° C is desirable. The heating time depends on the temperature, but is usually between 5 and 30 minutes.
- the loco dye used in the present invention is preferably a loi dye having a low solubility in toluene, for example, a lohi dye represented by the formula (1) or 2,2-bis (4.1 (6 '1 (N-cyclohexinole 1-N-methylamino)-1 3'-methylspiro (phthalide 3, 9 '-xanthanten) 1 2'-ilami No.) Phenyl) propane (solubility to toluene: 25.
- a lohi dye represented by the formula (1) or 2,2-bis (4.1 (6 '1 (N-cyclohexinole 1-N-methylamino)-1 3'-methylspiro (phthalide 3, 9 '-xanthanten) 1 2'-ilami No.) Phenyl) propane (solubility to toluene: 25.
- rhoic dyes represented by the formula (1) are 3—Jetylamino 1-7—o—Holenoloaniline Fluorolan, 3—Dimethylamino 17 — 0 — Fenolelo Anilino Fnoleolan, 3 — Getylamino 1 7 — p — Fenoleolo Anilino Fnoleolan, 3 — Dimethylamino 7 — p — Fluoroa Nilinofluoran, 3—Jetilaminor 7—0—Chloroanilinofluoran, 3—Jetliumminoran 7— ⁇ —Kuroguchi 7 — p-Chloromino 7 — p — Chloro 1 0 — Phono Leo Ani Lino F No Leo Lan, 3 — Dimethyl
- w / v% Of 25%, preferably less than 5 w / v% (% by weight, etc.), more preferably less than 3 wZ v%, more preferably less than 2 w / v% It is preferable to use w / v% or less of the rho-dye ..
- These fluoran compounds also have a high solubility in energy ray-curable resins. It is considered that it is difficult to generate the soil power because it is small.If the amount is too small, a clear mark cannot be obtained, and if it is too large, there is no difference in the sharpness of the mark. Because it is wasteful in nature, it is preferably about 5 to 50% by weight, more preferably about 5 to 45% by weight, based on the energy ray-curable resin.
- Examples of the color developing agent used in the present invention include 4,4′-monophenol phenol resin (insoluble in tonolene, solubility in water at 25 ° C. 0-O ppm), bis- (3-aryl-1-4-hydroxyphenyl) snorphone (insoluble in toluene, insoluble in water 5 ppm at 25 ° C), 2,2 ', 6,6'-Tetramethyl 1-4,4'-Sorrenofoniljifenoreno (insoluble in toluene or water), 2,2', 6, 6 '-Tetrabrom 4,4'-Sulfoninoresif enol (insoluble in toluene or water), 4-1 (4 '-Isoproboxifenyl) Sulfoninolef enol (A solubility in toluene of 200 ppm at 65 ° C and a solubility in water of 198 ppm at 250 ° C).
- Methylene bisphenol type developers such as (p—hydroxy phenyl) methane, 1, 1—bis- (p—hydroxy phenyl) -cyclohexane , P—octyl phenol.
- P—hydrocarbon monophenol type developer such as phenyl phenol, p—hydroxy benzoate Benzyl perfate, 4-methyl dimethyl carboxylate, 5-hydroxyethyl thioethylate, 3,5-di-tert-butyl salicylic acid, salicylic acid, ⁇ — Hydroxinaphthalene phenolic aromatic carboxylic acid derivatives such as benzyl oleonic acid, and polyvalent metal salts of phenolic aromatic carboxylic acids.
- a sulfonylphenol type developer and more preferably a 4,4′-sulfonyldiphenol type developer having a substituent on the phenol nucleus. Agent is good.
- the substituent for example, C!
- a phenol polymer can be used as a color developer.
- This phenolic polymer is insoluble in toluene and water.
- a homopolymer of p-vinylphenol (Marcalin Chemical Co., Ltd. M: manufactured by Maruzen Petrochemical Co., Ltd.)
- P Copolymer of vinylphenol and 2-hydroxyethyl methacrylate
- p Vinyl phenol Copolymer of methyl methacrylate and methyl methacrylate
- Markinka I CMM manufactured by Maruzen Petrochemical Co., Ltd.
- bromide of poly p-vinylphenol Markinka I MB : Maruzen Petrochemical Co., Ltd.
- p-Copolymer of vinyl phenol and styrene (Maliki Linker CST: Maruzen Petrochemical Co., Ltd.)
- the solubility in toluene is preferably at a temperature of 65 ° C, preferably less than lO ppm, more preferably less than 500 ppm, more preferably less than 500 ppm.
- Color development of 300 O ppm or less Agent is good.
- a scratch-resistant property is required, such as when the product is easily bent, such as a packing sheet, or when the mark part is easy to contact between products, it has a substituent. Preference is given to color-based color developers and phenolic polymer-type color developers.
- a developer is preferred. These developers are used alone or in combination of two or more.
- the amount of the developer used for the leuco dye is 30 to 300% by weight, preferably 50 to 200% by weight based on the leuco dye.
- the most preferred developers are those that are hardly soluble in toluene or water, for example, 2,2 ', 6,6'-tetramethyl-14,4'-sulfo Nil diphenol, 2, 2 ', 6, 6'-Tetrab mouth mode 4, 4 '-source phenol, polyphenol, poly p-vinyl phenol And phenol polymers such as phenols.
- additives and the like can be added to the composition for laser marking of the present invention as needed.
- additives that can be used include fillers, colorants, dispersants, flow regulators, mold release agents, flame retardants, lubricants, and light, in addition to sensitizers for increasing color sensitivity.
- Materials used in coating of ultraviolet curable resin such as stabilizers and antioxidants are exemplified.
- the sensitizer include higher fatty acid amides such as stearic acid amide, animal varieties such as mitou, and ceracou, and carnaunox.
- Vegetable waxes such as wax, mineral waxes, such as montane wax. Raffin wax, petroleum wax, higher fatty acid esters, chlorinated oil, etc.
- Carboxylate esters such as benzene, diphenyl sulfonate, etc., sulfonate amides, such as benzenesulfonate anilide, p-toluene sulfonate Sulfonates such as acid phenoxyethyl ester, benzenesolephonic acid phenyl ester, and bis- (4-phenyloleoxyphenyl) snorphone, bis (4-pe Diphenols such as phenolic, phenolic, etc., 1 benzoylazine, 1 benzoylazine, 2 benzoylamine, etc.
- N-stearyl urea etc.
- Urea derivatives 4 - Asechiruase walk et Bruno down, O Selector Selector dec down one 2, 1 7 - wearer's own hair tons compounds such geo down are used.
- the amount is usually in the range of 0.5 to 2 parts per part of the developer.
- Fillers that can be used in the present invention include carbonated calcium, silica, aluminum, myrica, calcium silicate, clay, talc, and glass.
- examples include inorganic fillers such as fibers and carbon fibers, and organic fillers such as polyethylene, polyamide, epoxy resin, and guanamine resin.
- colorants include carbon black, phthalocyanine, monoazo, disazo, quinatalidone, anthraquinone, frananoquinone, and perrinon.
- Perylene dioxazine, condensed azo, abmethine or methine-based organic pigments, titanium oxide, lead sulfate, zinc oxide, iron black, chromero, zinc Inorganic pigments such as Kuguchi, Kurumoku Mirion, Bengala, cobalt violet, ultramarine, navy blue, chrome green, and cobalt green.
- the amount used is usually such that the filler is less than 80 w / w% of the total solids, and in the case of colorants, the proportion occupying 3 wZw% or less of the total solids Used in
- the marking composition of the present invention comprises an ultraviolet curable resin, a leuco dye and, if necessary, a sensitizer, a filler, a colorant, a dispersant, a flow regulator, a release agent, a flame retardant, and a lubricant. , A light stabilizer-antioxidant, etc., mixed using a three-roll agitator, preferably at a temperature of 15 to 30 ° C.
- the laser marking method of the present invention may be implemented, for example, as follows. That is, the marking composition of the present invention is applied to a substrate to be marked (usually after curing). Is applied so that the film thickness becomes 10 to 100 ⁇ m). The material is cured by irradiating with energy rays and, if necessary, formed.
- a clear contrast black marking By irradiating one light of a YAG laser, one light of an excimer laser, or the like, a clear contrast black marking can be obtained.
- the base material for example, polyesters such as polyethylene terephthalate and polybutylene terephthalate, vinyl chloride polyethylene, polypropylene, etc.
- Plastic film made of plastics, etc., and plastics made of these plastics and plastics commonly used such as acrylic resin and ABS resin Examples include paper, metal plates such as aluminum and iron, and papers such as vapor-deposited paper, coated paper, and synthetic paper.
- the marking composition of the present invention can be used for various containers such as sheets, packaging sheets, cards, labels, bottles, caps, metal cans, etc. It is used to display the name of one person, the contents, the date of manufacture, the lot number, etc. on the surface of wrappers.
- T 4 * (4 * —isopropoxyphenyl) sulfonylphenol (200 ppm in toluene at a solubility of 65 ° C, water Solubility at 25 ° C 198 O p P m)
- a marking composition prepared using a leuco dye having a low solubility in toluene as a coloring agent was used. This was coated on an iron plate by Barco overnight so that the film thickness after curing became 20 m, and the composition was cured by irradiating ultraviolet rays with a high-pressure mercury lamp to obtain a test piece.
- test piece was irradiated with a laser beam using a pulsed carbon dioxide laser-irradiator (BLAZAR 600, energy density 3 JZ cm 2 , manufactured by Laser Technology).
- BLAZAR 600 pulsed carbon dioxide laser-irradiator
- a clear black mark was obtained in Example 11 but not in Comparative Examples 1 and 2.
- the numbers in Table 1 represent parts by weight.
- Example Ink I Coloring agent Coloring agent
- Other auxiliaries
- test pieces obtained in Examples 1 to 11 and Comparative Examples 1 and 2 were used, and a pulsed carbon dioxide laser irradiator (manufactured by Lasertechnics Co., Ltd., BLAZAR 600 Using a laser density of 3 J / cm 2 ), irradiate a laser beam to form a black mark, and 1) the ground force blur, 2) the color density,
- Clarity Visual readability of the mark ⁇ : Visibility X: Poor clarity (Generally, the smaller the ground force blur and the higher the color density, the better the clarity. )
- Hot water resistance Marked test pieces are placed in water at 80 ° C.
- a marking composition that has a low soil pressure and that develops a clear color when irradiated with laser light, and a marking composition that develops a clear color and is further excellent in robustness and Since a laser marking method using the composition is provided, its industrial applicability is considered to be high.
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- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Wood Science & Technology (AREA)
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- Heat Sensitive Colour Forming Recording (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP94919867A EP0716135B1 (en) | 1994-06-24 | 1994-07-07 | Marking composition and laser marking method |
| US08/592,424 US5824715A (en) | 1994-06-24 | 1994-07-07 | Marking composition and laser marking method |
| DE69420971T DE69420971T2 (de) | 1994-06-24 | 1994-07-07 | Markierungsmittel und lasermarkierungsverfahren |
| KR1019960700890A KR960703993A (ko) | 1994-06-24 | 1994-07-07 | 마아킹용 조성물 및 레이저 마아킹 방법 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6/164809 | 1994-06-24 | ||
| JP6164809A JPH082106A (ja) | 1994-06-24 | 1994-06-24 | マーキング用組成物及びレーザーマーキング方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1996000262A1 true WO1996000262A1 (en) | 1996-01-04 |
Family
ID=15800333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1994/001108 Ceased WO1996000262A1 (en) | 1994-06-24 | 1994-07-07 | Marking composition and laser marking method |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5824715A (ja) |
| EP (1) | EP0716135B1 (ja) |
| JP (1) | JPH082106A (ja) |
| KR (1) | KR960703993A (ja) |
| CN (1) | CN1063470C (ja) |
| DE (1) | DE69420971T2 (ja) |
| ES (1) | ES2136737T3 (ja) |
| WO (1) | WO1996000262A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0792756A3 (en) * | 1996-02-28 | 1998-01-07 | Nippon Kayaku Kabushiki Kaisha | Liquid composition laser marking article and marking process |
| US5788754A (en) * | 1997-03-03 | 1998-08-04 | Hewlett-Packard Company | Ink-jet inks for improved image quality |
| US5851273A (en) * | 1997-03-03 | 1998-12-22 | Hewlett-Packard Company | Dye set for improved ink-jet print quality |
| EP2639074A1 (en) | 2012-03-16 | 2013-09-18 | Agfa-Gevaert | Colour laser markable laminates and documents |
| WO2022053415A1 (en) | 2020-09-12 | 2022-03-17 | Wysokinski Karol | A method of modifying metals with laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19522397A1 (de) * | 1995-06-23 | 1997-01-02 | Merck Patent Gmbh | Lasermarkierbare Kunststoffe |
| US6852948B1 (en) | 1997-09-08 | 2005-02-08 | Thermark, Llc | High contrast surface marking using irradiation of electrostatically applied marking materials |
| US6075223A (en) * | 1997-09-08 | 2000-06-13 | Thermark, Llc | High contrast surface marking |
| US6124377A (en) * | 1998-07-01 | 2000-09-26 | Binney & Smith Inc. | Marking system |
| AU4286601A (en) * | 2000-03-14 | 2001-09-24 | Dsm N.V. | Fully identifiable optical fiber assemblies |
| US6835457B2 (en) | 2001-05-15 | 2004-12-28 | Markem Corporation | Marking substrates |
| DE10146820B4 (de) * | 2001-09-19 | 2005-02-24 | Tampoprint Gmbh | Dekoriervorrichtung und Verfahren zum Dekorieren von Oberflächen |
| US7060654B2 (en) * | 2003-10-28 | 2006-06-13 | Hewlett-Packard Development Company | Imaging media and materials used therein |
| AU2002366244A1 (en) | 2001-12-18 | 2003-06-30 | Digimarc Id System, Llc | Multiple image security features for identification documents and methods of making same |
| ATE435757T1 (de) | 2001-12-24 | 2009-07-15 | Digimarc Id Systems Llc | Lasergravierverfahren sowie mit lasergravur versehene artikel |
| US7793846B2 (en) | 2001-12-24 | 2010-09-14 | L-1 Secure Credentialing, Inc. | Systems, compositions, and methods for full color laser engraving of ID documents |
| WO2003055638A1 (en) | 2001-12-24 | 2003-07-10 | Digimarc Id Systems, Llc | Laser etched security features for identification documents and methods of making same |
| US7728048B2 (en) | 2002-12-20 | 2010-06-01 | L-1 Secure Credentialing, Inc. | Increasing thermal conductivity of host polymer used with laser engraving methods and compositions |
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- 1994-07-07 EP EP94919867A patent/EP0716135B1/en not_active Expired - Lifetime
- 1994-07-07 ES ES94919867T patent/ES2136737T3/es not_active Expired - Lifetime
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0792756A3 (en) * | 1996-02-28 | 1998-01-07 | Nippon Kayaku Kabushiki Kaisha | Liquid composition laser marking article and marking process |
| US5788754A (en) * | 1997-03-03 | 1998-08-04 | Hewlett-Packard Company | Ink-jet inks for improved image quality |
| US5851273A (en) * | 1997-03-03 | 1998-12-22 | Hewlett-Packard Company | Dye set for improved ink-jet print quality |
| US5858075A (en) * | 1997-03-03 | 1999-01-12 | Hewlett-Packard Company | Dye set for improved ink-jet image quality |
| EP2639074A1 (en) | 2012-03-16 | 2013-09-18 | Agfa-Gevaert | Colour laser markable laminates and documents |
| WO2013135675A1 (en) | 2012-03-16 | 2013-09-19 | Agfa-Gevaert | Colour laser markable laminates and documents |
| US9403395B2 (en) | 2012-03-16 | 2016-08-02 | Agfa-Gevaert | Colour laser markable laminates and documents |
| WO2022053415A1 (en) | 2020-09-12 | 2022-03-17 | Wysokinski Karol | A method of modifying metals with laser |
Also Published As
| Publication number | Publication date |
|---|---|
| KR960703993A (ko) | 1996-08-31 |
| EP0716135A1 (en) | 1996-06-12 |
| EP0716135A4 (en) | 1997-01-02 |
| US5824715A (en) | 1998-10-20 |
| JPH082106A (ja) | 1996-01-09 |
| DE69420971T2 (de) | 2000-04-06 |
| DE69420971D1 (de) | 1999-11-04 |
| CN1129458A (zh) | 1996-08-21 |
| ES2136737T3 (es) | 1999-12-01 |
| CN1063470C (zh) | 2001-03-21 |
| EP0716135B1 (en) | 1999-09-29 |
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