CN103373045A - Electroforming nickel-ferrum alloy screen for printing and preparation method - Google Patents
Electroforming nickel-ferrum alloy screen for printing and preparation method Download PDFInfo
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- CN103373045A CN103373045A CN2012100107870A CN201210010787A CN103373045A CN 103373045 A CN103373045 A CN 103373045A CN 2012100107870 A CN2012100107870 A CN 2012100107870A CN 201210010787 A CN201210010787 A CN 201210010787A CN 103373045 A CN103373045 A CN 103373045A
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Abstract
The invention discloses an electroforming nickel-ferrum alloy screen for printing and a preparation method. An opening graphics area according with printing requirements is arranged on the surface of the screen. The nickel-iron alloy contains nickle Ni element and ferrum Fe element, and the mass percents of the elements are: Ni:38-44% and Fe: 56-62%. The performances of the obtained nickel-ferrum alloy screen with higher ferrum content for printing through an electroforming method are close to performances of an electroforming nickel screen for printing. The preparation cost can be reduced effectively. The prepared screen opening has a smooth hole wall, which satisfies the printing requirements well. In addition, the screen is advantaged by high uniformity, good screen surface quality and good opening quality.
Description
Technical field
The invention belongs to electromolding alloy codeposition technique field, relate to a kind of electroformed nickel ferroalloy web plate, relate in particular to a kind of high Fe contained printing electroforming dilval web plate, iron content is similar to the invar alloy plate; Simultaneously, the invention still further relates to the preparation method that electroforming dilval web plate is used in above-mentioned printing.
Background technology
Along with China's electron trade develops rapidly, mould printing technique also is applied at electronics manufacturing, and the SMT printing is exactly the typical case.In the electronic product manufacture process, to weld electronic component and PCB need to be placed on tin on the PCB first, and have hundreds of pad need to go up tin on the PCB, the position of each pad corresponding electronic component, print the disposable accurately first-class tin the best way of the pad of tin on the needs exactly.Usually the method for usefulness is to make the stainless steel substrates that countless apertures are arranged in electronics manufacturing, each hole corresponding the pad of tin on needs, then stainless steel substrates is attached on the grenadine that stretches tight, grenadine is attached on the bottom surface of print stencil net frame.
Whether the tin cream on the pad is smooth, even, whether consumption suitably will directly affect the effect of electronic component SMT, when precision electronic element pad and hot pressing finger is particularly arranged, requires higher to printing stencil.
Printing stencil is the mould of print solder paste, at present the general steel mesh that adopts.And the punching block Aperture precision that traditional handicraft is made by laser cutting technique can not reach requirement, and plate face quality is also not high enough.
The electroformed nickel web plate is a kind of high-quality web plate, the characteristics such as the opening quality is good, appearance is good, good uniformity have determined its position that becomes more and more important in the position of printing industry, the metal mask plate of simultaneously good edge of opening effect more is conducive to realize the printed substrate of high-quality, is conducive to high-precision wiring board and makes.But because the cost of electroformed nickel is higher, energy consumption is larger, the less stable of electroforming nickel bath, and the prospect of electroformed nickel web plate also has been subject to some restrictions.
In view of this, it is most important how to develop the more excellent new product of a kind of similar electroformed nickel web plate performance or performance.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, one object of the present invention is to propose a kind of printing with electroforming dilval web plate, can improve hardness, plate face brightness, coating surface quality.
Another object of the present invention is to propose the preparation method of above-mentioned electroformed nickel ferroalloy web plate, can obtain the printing metal otter board of high Fe content, hardness is high, and plate face brightness is good, and coating surface quality is good; Cost than the electroformed nickel metal otter board is low, saves the energy.
According to a kind of printing of embodiment of the invention electroforming dilval web plate, has the opening figure zone that meets print request on the described web plate face; Dilval contains nickel element, iron Fe element; The mass percent of each element is: Ni:38～44%, Fe:56～62%.
In preferred embodiment of the present invention, the opening of described web plate has reversed cone angle; The opening angle of described web plate is preferably 2 °-6 °.
Preferably, the THICKNESS CONTROL of described web plate is in 20～100 mu m ranges; The uniformity COV of ferro-nickel alloy plating is less than 5%; The ferro-nickel alloy plating surface brightness is the one-level light.
According to the preparation method of a kind of above-mentioned electroformed nickel ferroalloy web plate of the embodiment of the invention, described method comprises the steps: to prepare the electroforming core, by oil removing, washing, the sandblast step of pre-treatment, mandrel surface is processed clean; Carry out pad pasting, exposure, development after processing totally, form the dry film graphics field consistent with required opening figure at mandrel surface; Then improve the adhesion of the mandrel surface in five dry film zones by electroforming front activating operation, control the thickness of coating during electroforming by control electroforming time and current density; Ratio and amount by the control additive are controlled coating surface quality, comprising control solution composition, current density, bath temperature, pH and additive step, with the iron content that reaches the web plate coating for preparing 40%～55%.
Preferably, described electroforming is bright with the plate face minute surface of core, no marking, and the plate face length is wide to be 600mm*800mm.
In preferred embodiment of the present invention, obtain the dilval Printing screen of higher iron-holder by electrocasting method, its performance and electroformed nickel Printing screen are more approaching.The present invention can effectively reduce the manufacturing cost of web plate, and the web plate opening hole wall that makes is smooth, has satisfied well print request.Web plate uniformity of the present invention is high, and plate face quality and opening quality are good.
Simultaneously, the present invention can access the printing metal otter board of high Fe content, and hardness is high, and plate face brightness is good, and coating surface quality is good; Cost than the electroformed nickel metal otter board is low, the saving energy.In addition, the Aperture precision of web plate of the present invention is high; The present invention becomes discarded impurity iron and is converted to the alloy composition composition, reduces solution maintenance cost and three wastes processing load.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the electroformed nickel ferroalloy web plate preparation method's of one embodiment of the invention flow chart.
Fig. 2 is the schematic diagram that utilizes screen printing tin cream of the present invention.
Fig. 3 is another schematic diagram that utilizes screen printing tin cream of the present invention.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
The present invention discloses a kind of high Fe contained printing with electroforming dilval web plate, has the opening figure zone that meets print request on the described web plate face; Dilval contains nickel element, iron Fe element; The mass percent of each element is: Ni:38～44%, Fe:56～62%.
Metal otter board of the present invention is applied to high accuracy circuit plate and makes, and this metal otter board has certain magnetic, hardness and brightness.This kind printing is adopted electroforming process with web plate, and supporting corresponding formulation of electroforming solution can be prepared the printing web plate of iron content in 56～62% scopes, and all the other are nickel.The more traditional electroforming pure nickel of this kind web plate web plate has added ferro element, thereby has improved hardness and the magnetic of web plate, and in this scope, iron content is higher, and the cost of saving is also just more.
In preferred embodiment of the present invention, the opening of described web plate has reversed cone angle; The opening angle of described web plate is preferably 2 °-6 °.
Particularly, see also Fig. 2, Fig. 3, whole paste-tin printing apparatus comprises scraper 1, tin cream 2, electroforming mask plate 3, printed base plate 4, brazing platform 5.Printing is high with electroforming dilval web plate Aperture precision, and product component can satisfy print request simultaneously, and screen printing face opening size is less than character face opening size, opening forms a back taper angle, shown in Fig. 3 split shed 6, be difficult for taking away tin cream during printing, be conducive to lower tin.
Preferably, the THICKNESS CONTROL of described web plate is in 20～100 mu m ranges, and product thickness also can be controlled in the low scope; Electroformed nickel ferroalloy printing metal otter board satisfies under the condition of print request in assurance, has saved product cost.In addition, in the present embodiment, the uniformity COV of ferro-nickel alloy plating is less than 5%; The ferro-nickel alloy plating surface brightness is the one-level light.
The present invention discloses the preparation method of described electroformed nickel ferroalloy web plate simultaneously, sees also Fig. 1, and described preparation method comprises the steps:
Step S1, preparation electroforming core; In the present embodiment, described electroforming is bright with the plate face minute surface of core, no marking, and the plate face length is wide to be 600mm*800mm.
Step S2, the oil removing by pre-treatment, washing, sandblast step are processed mandrel surface clean;
Step S3, stick one deck dry film at the mandrel surface of handling well, and by exposure machine in the dry film regional consistent dry film graphics field of black and required printing opening figure of exposing to the sun;
Step S4, by development step, will clean up for the dry film of exposure with alkali lye, stay exposure figure zone dry film, i.e. the dry film figure consistent with required printing opening figure;
Core after step S5, the above-mentioned steps is controlled the thickness of coating by the adhesion of electroforming front activating operation raising without the mandrel surface in dry film zone by control electroforming time and current density during electroforming;
Step S6, control coating surface quality by ratio and the amount of control additive, comprising control solution composition, current density, bath temperature, pH and additive step, with the iron content that reaches the web plate coating for preparing 56%～62%.
In the present embodiment, described solution composition can specifically comprise: the boric acid of the nickelous sulfate of 180～200g/L, the nickel chloride of 30～50g/L, 40～50 g/L, the ferrous sulfate of 14～17g/L.Described electroforming solution also comprises the stabilizing agent of following additive: 0.5～1ml/L, the wetting agent of 0.5～1ml/L, the agent that walks of 1～5ml/L.In addition, described preparation method's concrete electroforming process parameter is as follows: the pH value is 3.4～3.8; Temperature is 40～45 ℃; The cathode-current density value is 1-3A/dm
2Plating speed is 10-20 μ m/h.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment in the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. a printing is characterized in that with electroforming dilval web plate, has the opening figure zone that meets print request on the described web plate face; Dilval contains nickel element, iron Fe element; The mass percent of each element is: Ni:38～44%, Fe:56～62%.
2. printing according to claim 1 is characterized in that with electroforming dilval web plate the opening of described web plate has reversed cone angle.
3. printing according to claim 2 is characterized in that with electroforming dilval web plate the opening angle of described web plate is at 2 °-6 °.
4. printing according to claim 1 is characterized in that with electroforming dilval web plate the THICKNESS CONTROL of described web plate is in 20～100um scope.
5. printing according to claim 1 is characterized in that with electroforming dilval web plate the uniformity COV of ferro-nickel alloy plating is less than 5%.
6. printing according to claim 1 is characterized in that with electroforming dilval web plate, and the ferro-nickel alloy plating surface brightness is the one-level light.
7. the preparation method of the described electroformed nickel ferroalloy of one of claim 1 to 6 web plate is characterized in that, described method comprises the steps: to prepare the electroforming core, by oil removing, washing, the sandblast step of pre-treatment, mandrel surface is processed clean; Carry out pad pasting, exposure, development after processing totally, form the dry film graphics field consistent with required opening figure at mandrel surface; Then improve the adhesion of the mandrel surface in five dry film zones by electroforming front activating operation, control the thickness of coating during electroforming by control electroforming time and current density; Ratio and amount by the control additive are controlled coating surface quality, comprising control solution composition, current density, bath temperature, pH and additive step, with the iron content that reaches the web plate coating for preparing 56～62%.
8. preparation method according to claim 7 is characterized in that, described electroforming is bright with the plate face minute surface of core, no marking, and the plate face length is wide to be 600mm*800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210010787.0A CN103373045B (en) | 2012-04-17 | 2012-04-17 | Printing electroforming Ferro-nickel alloy screen plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210010787.0A CN103373045B (en) | 2012-04-17 | 2012-04-17 | Printing electroforming Ferro-nickel alloy screen plate and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103373045A true CN103373045A (en) | 2013-10-30 |
| CN103373045B CN103373045B (en) | 2016-03-02 |
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| CN201210010787.0A Expired - Fee Related CN103373045B (en) | 2012-04-17 | 2012-04-17 | Printing electroforming Ferro-nickel alloy screen plate and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609424A (en) * | 2015-12-24 | 2016-05-25 | 江苏长电科技股份有限公司 | Sandwich packaging technique with exposed frame |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10250032A (en) * | 1997-03-11 | 1998-09-22 | Oudenshiya:Kk | Metal mask for printing |
| CN1804138A (en) * | 2005-11-14 | 2006-07-19 | 深圳市允升吉电子有限公司 | Mask electro-forming method for vaporization coating of organic light-emitting display |
| JP2006347165A (en) * | 2005-05-20 | 2006-12-28 | Process Lab Micron:Kk | Metal mask for making pattern |
| CN101092720A (en) * | 2006-06-20 | 2007-12-26 | 比亚迪股份有限公司 | An electroform method |
| CN201942742U (en) * | 2010-12-01 | 2011-08-24 | 东莞宏威数码机械有限公司 | Adsorption component of masking film board |
-
2012
- 2012-04-17 CN CN201210010787.0A patent/CN103373045B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10250032A (en) * | 1997-03-11 | 1998-09-22 | Oudenshiya:Kk | Metal mask for printing |
| JP2006347165A (en) * | 2005-05-20 | 2006-12-28 | Process Lab Micron:Kk | Metal mask for making pattern |
| CN1804138A (en) * | 2005-11-14 | 2006-07-19 | 深圳市允升吉电子有限公司 | Mask electro-forming method for vaporization coating of organic light-emitting display |
| CN101092720A (en) * | 2006-06-20 | 2007-12-26 | 比亚迪股份有限公司 | An electroform method |
| CN201942742U (en) * | 2010-12-01 | 2011-08-24 | 东莞宏威数码机械有限公司 | Adsorption component of masking film board |
Non-Patent Citations (1)
| Title |
|---|
| 王灵锋: "Ni-Fe、Ni-Fe-Cr合金箔电沉积制备工艺及性能的研究", 《中国优秀硕士学位论文全文库（工程科技Ⅰ辑）》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609424A (en) * | 2015-12-24 | 2016-05-25 | 江苏长电科技股份有限公司 | Sandwich packaging technique with exposed frame |
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| CN103373045B (en) | 2016-03-02 |
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