CN101949045A - The treatment process of mould - Google Patents
The treatment process of mould Download PDFInfo
- Publication number
- CN101949045A CN101949045A CN2010102252352A CN201010225235A CN101949045A CN 101949045 A CN101949045 A CN 101949045A CN 2010102252352 A CN2010102252352 A CN 2010102252352A CN 201010225235 A CN201010225235 A CN 201010225235A CN 101949045 A CN101949045 A CN 101949045A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/02—Electroplating of selected surface areas
- C25D5/026—Electroplating of selected surface areas using locally applied jets of electrolyte
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
- C25D17/12—Shape or form
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/38—Pretreatment of metallic surfaces to be electroplated of refractory metals or nickel
- C25D5/40—Nickel; Chromium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention provides a kind of treatment process of mould, it possesses following operation: on the recess that is present in the metal die surface, place the operation of the liquid that comprises metal ion; In the mode that contacts this liquid electrode is set, makes electric current between metal die and electrode, flow the operation that metal is separated out in the inside of recess.The surface of metal die can be made of chromium coating.In addition, metal ion preferably comprises chromium ion.
Description
Technical field
The present invention relates to a kind of treatment process that is used to make the metal die of device used for image display optical components such as antiglare film etc.
Background technology
(cathode tube: CRT) image display device such as indicating meter, organic electroluminescent (EL) indicating meter, when light was mirrored its display surface outside, its visuality can be subjected to significantly impaired for liquid-crystal display, plasm display panel, Braun tube.In the past, mirror in order to prevent so outer light, at the pick up camera or the digital camera of the televisor of paying attention to image quality or PC, light intensive outdoor application outside and utilize in the portable phone that reflected light shows etc., be provided with on the surface of image display device usually by form the fine concavo-convex antiglare film that the incident light scattering is desalinated mirror picture etc. on the surface.
As the method for making above-mentioned antiglare film, at present known have the surface of use have the mould of fine concaveconvex shape, with the method (for example TOHKEMY 2007-237541 communique) of its concaveconvex shape transfer printing on transparent resin film.
Generally, when the surface shape of roller mould obtains molding, because therefore the important factor of the quality of the molding that the precision of the surface shape of mould is decision to be obtained, requires the surface shape of mould to control like that by design as far as possible.Particularly for the optical component that is assembled in image display device, especially be configured in for the most surperficial antiglare film of image display device, in order to satisfy the characteristic of high request, need have very high forming accuracy, at the mould that is used for making these optical components, wish that the male and fomale(M﹠F) be transferred does not exist defective or defective considerably less.But in fact, make relatively difficulty of the large-area mould do not have the mould of defective, particularly not have a defective, make and to repair and mould with surface shape of wanting reality relatively the defective that produces.
TOHKEMY 2004-66708 communique discloses following method: repair the method for intaglio offset with the damaged portion of concavity of the printing surface generation of intaglio plate as being used to, curable liquid resin composition is potted in damaged portion, makes its curing.But, for mould, in the molding complete processing of using this mould, it is exposed to most applications itself and transfer printing and has under the severe rugged environments such as the friction of the resin molding of surface shape or resin layer, heat, light, and that the reparation that utilizes cured resin to carry out can't be implemented in is tolerant under these environment, have high-intensity reparation.
Summary of the invention
The present invention finishes in order to solve above-mentioned problem, and its purpose is, a kind of treatment process of mould is provided, and it can be with the defective that comprises recess of sufficiently high intensity repairing mould surface generation.
The treatment process of mould provided by the invention possesses following operation: on the recess that is present in the metal die surface, place the operation of the liquid that comprises metal ion; In the mode that contacts this liquid electrode is set, makes electric current between metal die and electrode, flow the operation that metal is separated out in the inside of recess.In the present invention, preferably use needle electrode as electrode.
Above-mentioned metal die can be the mould that its surface is made of chromium coating.At this moment, metal ion preferably comprises chromium ion.In addition, when the metal die surface that has produced recess comprises chromium plating face, preferably before the operation of placing the described liquid that comprises metal ion, also possesses the operation of using the chromium etching solution metal die surface to be carried out pre-treatment.The liquid that comprises metal ion preferably also contains thickening material.
The treatment process of mould of the present invention can be preferably applied to make the mould of image display device with optical component.
According to the treatment process of mould of the present invention, for the defective that die surface produces, can carry out the reparation of antifriction consumption, thermotolerance and photostabilization excellence, and the molding with high forming accuracy of the defective that can be inhibited.
Description of drawings
Fig. 1 is the diagrammatic cross-section that is illustrated in an example of the state of placing the liquid that comprises metal ion on the concavity defect of die surface.
Fig. 2 is expression by the diagrammatic cross-section of an example that electric current is flowed make the state that metal separates out in the inside of concavity defect between electrode that the mode that comprises the liquid of metal ion with contact is provided with and metal die.
Fig. 3 is expression by making electric current that the diagrammatic cross-section of the another one example that makes the state that metal separates out in the inside of concavity defect of flowing is set between electrode and the metal die in the mode that comprises the liquid of metal ion with contact.
Fig. 4 is the diagrammatic cross-section of an example of the metal state of separating out in the inside of concavity defect.
The explanation of preferred implementation
The present invention relates to a kind of treatment process of metal die, more specifically, relate to a kind of treatment process that can repair the metal die of the surperficial defective that comprises recess (hereinafter referred to as concavity defect) that produces of metal die.Treatment process of the present invention can be used as the part of the manufacturing process of mould, and at this moment, generally, the defective that this male and fomale(M﹠F) that utilizes treatment process reparation of the present invention to be formed with the metal die of concave-convex surface shape takes place can be finished metal die.In addition, treatment process of the present invention can also be with the method that acts on the defective that produces because of use of repairing metal die.
For the mould that can use treatment process of the present invention, so long as the surface has produced the metal die of concavity defect, just be not particularly limited, as metal die, can enumerate the mould that for example constitutes, at folded 1 layer of coating of this layers on substrates or coating forms more than 2 layers mould by the base material that comprises metals such as aluminium, iron.A preferred example that is formed at the most surperficial coating of metal die is chromium coating.The shape of metal die can be present known suitable shape, for example, except tabular, can also be roller cylindric or cylindraceous.The metal die surface can have the concaveconvex shape that comprises the transfer print structure of giving the molding specified shape.For example, for making the mould that antiglare film uses, have and be used for giving the fine concave-convex surface shape that the concaveconvex shape of picture is mirrored in desalination on the surface of the transparent resin film that constitutes antiglare film or the surface of transparent resin layer.The concavo-convex cycle of the fine concave-convex surface shape that mould had that this making antiglare film is used is not particularly limited, and for example is about 20～30 μ m.
No matter for which kind of mould, can use treatment process of the present invention, especially require the molding of high forming accuracy, for example, and for being used to make the mould of image display device with optical component, can advantageous applications treatment process of the present invention.As the device used for image display optical component, except antiglare film, can enumerate light guiding plate etc.
What is called is utilized the recoverable concavity defect of treatment process of the present invention, the hollow hole part of being unintentional that is meant when metal die is made or takes place on the metal die surface when using.Concavity defect can make molding produce defective, thereby causes the discomfort of molding on textural or performance.According to the present invention, for such concavity defect, can repair, this reparation has high strength, can tolerate in the molding complete processing and transfer printing severe rugged environment such as the resin molding of surface shape or the friction between the resin layer, heat, light.For example, when making mould that antiglare film uses and produce concavity defect, the concave-convex surface shape of antiglare film also produces defective, when the antiglare film that forms thus is configured in image display device surperficial, display surface integral body may be turned white because of scattered light, fuzzy " whiting " (Japanese original text: Chi や け) in vain taking place easily to show, but according to the present invention, can obtain the antiglare film of the anti-dazzle excellent performance that such whiting has been suppressed.
Below, the treatment process of mould of the present invention is described in further detail.The treatment process of mould of the present invention comprises following operation [1] and [2].
[1] on the concavity defect that is present in the metal die surface, places the operation of the liquid that comprises metal ion; And
[2] in the mode that contacts this liquid electrode is set, makes electric current between metal die and electrode, flow the operation that metal is separated out in the inside of concavity defect.
In above-mentioned operation [1], on the concavity defect of the die surface of needs reparation, place the liquid that comprises metal ion.The method that placement comprises the liquid of metal ion is not particularly limited, from can be only on the concavity defect of the die surface of needs reparation the viewpoint of good ground of precision coating liquid, can preferably use ink jet method for example or use the method for accurate apparatus for coating.There is the viewpoint of versatility to consider from industrial, the preferred especially method of using accurate apparatus for coating.Accurately apparatus for coating can be the accurate apparatus for coating of the commercially available gas pulse formula in high-tech company under Musashi high-tech company or the rock, jet-type, variety of way such as spiral for example.
Fig. 1 is the diagrammatic cross-section that is illustrated in an example of the state of placing the liquid that comprises metal ion on the concavity defect of die surface.The base material 101 that metal die 100 shown in Figure 1 is used by mould, the coating 102 that is layered on the base material 101 constitute, and have produced concavity defect 103 on the surface of the coating 102 on the surface that constitutes metal die 100.Shown in Figure 1 is to drip the liquid 200 that comprises metal ion by the dispense needles 300 by accurate apparatus for coating, thus this liquid is placed on the state on the concavity defect 103.As shown in Figure 1, preferred concavity defect 103 inside are full of the liquid 200 that comprises metal ion.
As the liquid that comprises metal ion, can use the liquid of each metal ion species such as comprising Cr ion, Ni ion, Cu ion, Pt ion, Au ion, Rh ion.Particularly use the situation comprise trivalent Cr ionic liquid, thermotolerance and photostabilization excellence, and compare with the situation of using other metal ions, can realize repairing the reparation that hardness is higher, the antifriction consumption is more excellent at position, therefore preferred.And, because trivalent Cr ionic toxicity is low, therefore, can repair with the lower technology of carrying capacity of environment.As comprising trivalent Cr ionic liquid, can use the normally used trivalent chromium plating liquid of chromium plating.In a preferred embodiment of the present invention, concavity defect produces on the chromium coating surface on the surface that constitutes metal die, can use to comprise trivalent Cr ionic liquid as the liquid that comprises metal ion.
The liquid that comprises metal ion can comprise 1 metal ion species, also can comprise the metal ion more than 2 kinds.The content of metal ion is not particularly limited, and when using the trivalent chromium plating liquid, its composition for example can be set at: about chromium chloride 250～350g/l, ammonium chloride 150～200g/l, boric acid 30～40g/l.As the contained solvent of the liquid that comprises metal ion, can preferably make water.
The liquid that comprises metal ion can also comprise the thickening material of polyoses such as water-soluble polymers such as polyvinyl alcohol, sodium alginate, pectin, xanthan gum, carrageenin, guar gum, κ carrageenin etc.By comprising thickening material, the viscosity that comprises the liquid of metal ion rises, and therefore, can make the part that liquid only is attached to needs reparation, thereby can carry out more high-precision reparation.In addition, the liquid that comprises metal ion during the metal in the operation [2] is separated out is the state of being heated usually, by comprising thickening material, can suppress the solvent evaporates of this moment, therefore, can carry out the reparation that can control more accurately.
The treatment process of mould of the present invention can also comprise the operation of using surface treatment agent that metal die surface (concavity defect surface at least) carried out pre-treatment in above-mentioned operation [1] before.As such pretreatment procedure, can enumerate the operation of using surface treatment agent to remove the oxide skin etc. on metal die surface.By removing oxide skin etc., can improve the adaptation of metal die and the metal of separating out at concavity defect, can carry out more high-intensity reparation.
As the surface treatment agent of oxide skin that is used to remove the metal die surface etc., for example, when constituting by chromium coating, can enumerate the chromium etching solution on the metal die surface.As the chromium etching solution, can enumerate and for example comprise cerous nitrate (IV) ammonium (CAN) and the vitriolic aqueous solution.
In ensuing operation [2], at first, electrode is set in the mode that contacts with the liquid of on concavity defect, placing that comprises metal ion.At this moment, the mode that can contact with the surface with the liquid of placing on concavity defect that comprises metal ion is provided with electrode, also can electrode be set to enter the intravital mode of this liquid.
As electrode, can preferably use the sharp-pointed needle electrode of front end.In addition, the front end shape of electrode is not limited to as needle electrode triangular shape, also can use for example (front end is smooth) of tetragon shape or circular-arc (front end has circular) etc.As electrode, electrode or its electronplate that can preferably use solidity to corrosion good metal such as utilizing Rh, Au, Pt to form.Consider that from physical strength and corrosion resistance excellent aspect preferred especially the use implementing to plate the electrode that Rh forms behind the plated underlayer Ni on the carbon steel.The diameter of electrode and shape can be determined according to shape, the size of concavity defect.
Then, electric current is flowed between electrode and metal die, make from the metal of the metal ion in the above-mentioned liquid that comprises metal ion and separate out in the inside of concavity defect.Fig. 2 is expression by the diagrammatic cross-section of an example that electric current is flowed make the state that metal separates out in the inside of concavity defect between needle electrode 400 that the mode of the liquid 200 that comprises metal ion with contact is provided with and metal die 100.In addition, Fig. 3 is expression by the diagrammatic cross-section of the another one example that electric current is flowed make the state that metal separates out in the inside of concavity defect between needle electrode 400 that the mode of the liquid 200 that comprises metal ion with contact is provided with and metal die 100, and it shows use and only comprises the example of the mould of base material 101 as metal die.And then, an example of shown in Figure 4 the is state that metal separates out in the inside of concavity defect.In the present invention, example preferably almost or is fully piled with concavity defect by precipitating metal 210 as shown in Figure 4.
Scope that metal is separated out and thickness exist with ... shape, electrode and the mould (bottom surface of concavity defect) of electrode distance, conduction time, comprise the concentration of scope that the liquid of metal ion adheres to, metal ion and comprise the liquid temperature of the liquid of metal ion.Preferable alloy selectivity on concavity defect is separated out, and in order to limit the scope of separating out like this, preferably makes the drop selectivity that comprises metal ion attached on the concavity defect.At this moment, be attached to the drop of die surface for a small amount of.Dimension, in order to make such small amount of drop contacts electrode exactly, needing can be with the distance (interelectrode distance G shown in Figure 2) of the front end and the mould of high precision control electrode.Therefore, for electrode, preferably be maintained on the above robotic arm of twin shaft, and this robotic arm have detecting electrode the front end height touch sensor and can detect the electrode maintaining part of this robotic arm and the position sensor of the relative position of mould.As position sensor, can especially preferably use contactless and can realize high-precision laser type position sensor.Such position sensor is commercially available by Japanese Keyemce company or Japanese Omron Corp etc. usually.By making up these transmitter classes and the robotic arm more than the twin shaft, can realize to be applicable to device of the present invention.In addition, commercially available product (for example making commercially available " System300 " by high-tech company under the rock) to the accurate apparatus for coating more than the twin shaft with touch sensor and laser type position sensor improves, and can easily realize implementing the robotic arm system of maintenance electrode of the present invention.
The power supply that uses when electric current is flowed between electrode and metal die preferably uses constant current power supply (direct supply 500 among Fig. 2 and 3).Can more easily regulate the amount of metal of separating out thus.Repairing area (area of concavity defect) remarkable hour, and need make current value little to number μ A, therefore, can connect power supply and electrode by current-limiting resistance (current-limiting resistance 600 among Fig. 2 and 3).For example, under the situation of using the trivalent chromium plating liquid as the liquid that comprises metal ion, when interelectrode distance G was hundreds of μ m, the resistance of trivalent chromium plating liquid was little of usually number Ω, therefore, and by the abundant control current amount of the method for current-limiting resistance.
Make amount that metal separates out can be according to the volume of concavity defect, be that the diameter and the degree of depth of concavity defect regulated.Particularly, the amount that metal is separated out is concavity defect major part or the amount that is piled with degree fully.The amount that can regulate precipitating metal by control current value or electric current mobile time.For example, under the situation of the concavity defect that uses trivalent chromium plating liquid reparation diameter 200 μ m, the degree of depth 2 μ m, because the current efficiency when utilizing the trivalent chromium plating liquid to electroplate is about 30%, therefore, flow about 2 seconds by the electric current that makes 2 μ A, can separate out the chromium that piles with the needed amount of concavity defect.
Electric current is flowed and when metal was separated out, the reparation surface of metal die was the state of being heated usually between electrode and metal die.Its temperature can be set at for example 30～60 ℃.Be preferably 40～50 ℃ especially.
Embodiment
Below, enumerate embodiment the present invention is described in further detail, but the present invention is not limited to these embodiment.
＜embodiment 1 〉
Utilize following method reparation to be formed at the most surperficial diameter 200 μ m of chromed die surface, the concavity defect of the degree of depth 2 μ m implemented.At first, with well heater mould is heated so that after reaching 50 ℃ as the chrome-plated surface of repairing the surface, use the System300 that make the high-tech company under the rock, drip the trivalent chromium plating liquid on the concavity defect of chrome-plated surface being formed at.Particularly, utilize the ccd video camera that is equipped on System300 to confirm on one side, use the liquid quantitative blowoff AD3000C that is equipped on same System300 on one side, so that drop and concavity defect are the dispense needles dropping trivalent chromium plating liquid of the mode of approximate same size by AD3000C.
Then, the needle electrode that makes System300 keep by the enforcement of toe angle 60 degree, shaft diameter 0.4mm the carbon steel pin of plating Rh to form to replace dispense needles, carries out the parcel plating processing to concavity defect.At this moment, needle electrode is connected with the anode of constant voltage power supply by film resistor by the metal of 0.6M Ω, and the distance (interelectrode distance) that is fixed on from the concavity defect bottom surface to the needle electrode front end is the position of 100 μ m.Utilization is equipped on the touch sensor of System300 and laser-measured height transmitter (" LK-G30 " that Japanese Keyemce company makes) and regulates interelectrode distance.Particularly, make needle electrode be contacted with touch sensor and detect its position, utilize the surface elevation of laser-measured height sensor detecting touch sensor then, detect the position of needle electrode front end thus, based on itself and the result who utilizes the laser-measured height sensor detecting as the surface elevation of the concavity defect bottom surface of repairing object, calculate interelectrode distance.
Thereafter, the chromium coating of mould is connected with the negative electrode of constant voltage power supply, applying 5V between anode, negative electrode is 1 second of voltage, carries out parcel plating thus and handles.After the processing, wipe the trivalent chromium plating liquid, observe the surface, have chromium metal to separate out as a result in the concavity defect.
Claims (7)
1. the treatment process of a mould, it possesses following operation:
On the recess that is present in the metal die surface, place the operation of the liquid that comprises metal ion;
In the mode that contacts described liquid electrode is set, makes electric current between described metal die and described electrode, flow the operation that metal is separated out in the inside of described recess.
2. the treatment process of mould according to claim 1, wherein, described metal die surface is made of chromium coating.
3. the treatment process of mould according to claim 2, wherein, described metal ion comprises chromium ion.
4. the treatment process of mould according to claim 2 wherein, comprises in described placement before the operation of liquid of metal ion, also possesses the operation of using the chromium etching solution metal die surface to be carried out pre-treatment.
5. the treatment process of mould according to claim 1, wherein, the described liquid that comprises metal ion also contains thickening material.
6. the treatment process of mould according to claim 1, wherein, described electrode is a needle electrode.
7. the treatment process of mould according to claim 1, wherein, described metal die is to be used to make the mould of image display device with optical component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009162960A JP2011017056A (en) | 2009-07-09 | 2009-07-09 | Treatment method for mold |
| JP2009-162960 | 2009-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101949045A true CN101949045A (en) | 2011-01-19 |
Family
ID=43452667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102252352A Pending CN101949045A (en) | 2009-07-09 | 2010-07-07 | The treatment process of mould |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2011017056A (en) |
| KR (1) | KR20110005215A (en) |
| CN (1) | CN101949045A (en) |
| TW (1) | TW201107538A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506697A (en) * | 2016-02-19 | 2016-04-20 | 苏州市华婷特种电镀有限公司 | Mold piece with chromium coating on surface |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014177055A (en) * | 2013-03-15 | 2014-09-25 | Sumitomo Chemical Co Ltd | Method for repairing dent defect of mold for antiglare process |
| US20160145755A1 (en) | 2013-07-09 | 2016-05-26 | United Technologies Corporation | Lightweight metal parts produced by plating polymers |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02194193A (en) * | 1989-01-20 | 1990-07-31 | Yamaha Corp | Device for repairing metallic base |
| JP2002302792A (en) * | 2001-04-04 | 2002-10-18 | Fuji Hard Chrom:Kk | Method for partially repairing hard chromium plating |
| CN1737207A (en) * | 2004-06-28 | 2006-02-22 | 兰姆研究有限公司 | Electroplating head and method for operating the same |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4884039A (en) * | 1972-02-14 | 1973-11-08 | ||
| JPH02197593A (en) * | 1989-01-26 | 1990-08-06 | Nec Corp | Spot plating probe |
| JPH0532538Y2 (en) * | 1990-03-15 | 1993-08-19 | ||
| JPH0651266U (en) * | 1992-12-17 | 1994-07-12 | 日本軽金属株式会社 | Printing roll repair device |
| JP2003268596A (en) * | 2002-03-18 | 2003-09-25 | Yamaguchi Prefecture | Equipment and method for partial chromium plating |
| JP2008504446A (en) * | 2004-06-28 | 2008-02-14 | ボイス ステート ユニバーシティ | Electrochemical method using microdroplets of solution |
| JP2007002270A (en) * | 2005-06-21 | 2007-01-11 | Citizen Watch Co Ltd | Electrochemical print head |
| JP5076334B2 (en) * | 2006-03-08 | 2012-11-21 | 住友化学株式会社 | Mold having fine irregularities on its surface, method for producing the die, and method for producing an antiglare film using the die |
| JP2008280558A (en) * | 2007-05-08 | 2008-11-20 | Hiroshima Industrial Promotion Organization | Local surface treatment method using liquid |
| JP2009079242A (en) * | 2007-09-25 | 2009-04-16 | Panasonic Electric Works Co Ltd | Partial plating method and apparatus therefor |
-
2009
- 2009-07-09 JP JP2009162960A patent/JP2011017056A/en active Pending
-
2010
- 2010-07-07 CN CN2010102252352A patent/CN101949045A/en active Pending
- 2010-07-07 KR KR1020100065307A patent/KR20110005215A/en not_active Application Discontinuation
- 2010-07-07 TW TW099122298A patent/TW201107538A/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02194193A (en) * | 1989-01-20 | 1990-07-31 | Yamaha Corp | Device for repairing metallic base |
| JP2002302792A (en) * | 2001-04-04 | 2002-10-18 | Fuji Hard Chrom:Kk | Method for partially repairing hard chromium plating |
| CN1737207A (en) * | 2004-06-28 | 2006-02-22 | 兰姆研究有限公司 | Electroplating head and method for operating the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506697A (en) * | 2016-02-19 | 2016-04-20 | 苏州市华婷特种电镀有限公司 | Mold piece with chromium coating on surface |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110005215A (en) | 2011-01-17 |
| JP2011017056A (en) | 2011-01-27 |
| TW201107538A (en) | 2011-03-01 |
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Application publication date: 20110119 |