CN206721376U - Production equipment and its electric current the adjustment control device of electrolytic copper foil - Google Patents
Production equipment and its electric current the adjustment control device of electrolytic copper foil Download PDFInfo
- Publication number
- CN206721376U CN206721376U CN201720135420.XU CN201720135420U CN206721376U CN 206721376 U CN206721376 U CN 206721376U CN 201720135420 U CN201720135420 U CN 201720135420U CN 206721376 U CN206721376 U CN 206721376U
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- copper foil
- electric current
- control device
- production equipment
- electrolytic copper
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Abstract
The utility model discloses the production equipment and its electric current adjustment control device of a kind of electrolytic copper foil.The production equipment of electrolytic copper foil includes electrolytic cell, electrode assemblie, electrolysis roller and electric current adjustment control device, cell wall of the electrode assemblie along electrolytic cell is set, electrolysis roller is arranged on electrolytic cell, and there is electrolyte channel between electrolysis roller and electrode assemblie, electric current adjustment control device is arranged on electrode assemblie, and electric current adjustment control device includes an insulation board and the conducting strip for the multiple separation being arranged on insulation board.Whereby, it can effectively improve the thickness evenness of electrolytic copper foil.
Description
Technical field
It the utility model is related to electrolytic copper foil manufacturing field, more particularly to the production equipment and its electric current of a kind of electrolytic copper foil
Adjust control device.
Background technology
In recent years, the fast development of electronic information technology causes being more widely applied for copper foil, for example, copper clad laminate
The key basic material of (Copper Clad Laminate, abbreviation CCL) as manufacture printed circuit board (PCB) (PCB), it is profit
With supporting materials such as insulating paper, glass fabric or other fibrous materials, overlapped by the adhesive film (Prepreg) of resin impregnated
The laminated plates formed, at high temperature under high pressure, covered in single or double plus copper foil forms;In addition, manufacture for providing action
The secondary cell of the communicator energy, it is also desirable to use copper foil.
Copper foil can be divided into rolled copper foil (Rolled Copper Foil) and electrolytic copper foil according to different manufacture methods
(Electrode Posited copper) two major classes, rolled copper foil are to repeat multiple rolling to copper coin so that former paper tinsel is made
(or foil), roughening treatment then is carried out to foil as requested.Electrolytic copper foil is first to dissolve raw copper so that copper sulphate is made
Electrolyte, under direct current electro ultrafiltration by copper sulfate electrolyte on a titanium wheel rotated copper facing so that foil, Ran Hougen is made
According to require to be surface-treated foil, a series of surface treatment such as refractory layer processing and anti-oxidation processing, during foil
Thickness can by accelerate titanium wheel rotate speed it is very thin to accomplish.
However, with various portable electronic products such as intelligent mobile phone, tablet personal computer, music player, digital phase
The designer trends of machine etc. are towards compact, and the circuit on circuit board will be more and more thinner and more and more closeer, the mouth of laser drill
Footpath also will be less and less, drops to 9 microns from original 12 microns to the thickness requirement of copper foil, and future can more drop to 6 microns,
The thickness evenness requirement of such copper foil will be more and more stricter;Copper foil warpage and soft line in so thin copper foil production process
(shown in Shenfu part one), is inevitable with the present mode of production.
The method of control copper thickness at present is the assignment of traffic using different copper sulfate baths to different electroplating surfaces
On, appropriate adjustment flow, which can reach, makes the thickness of copper foil uniform, and conventional device is segmentation flow regulator.It is but micro- to 9
Product thickness below rice, the precision of the method will be not enough to deal with, and incident is copper foil warpage and the generation of soft line.
Therefore, the utility model creator controls electrolytic copper foil in view of prior art using flow regulator is split
Thickness, the necessity for having it to improve really, is engaged in the professional manufacturing experience of association area, is energetically improved for many years with it then
Research, under the scrupulous consideration of each side's condition, the utility model is developed finally.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of electrolytic copper foil in view of the shortcomings of the prior art
Production equipment and its electric current adjustment control device, it can effectively improve the thickness evenness of electrolytic copper foil, and can prevent copper foil from going out
Existing warpage and soft line.
In order to solve above-mentioned technical problem, one of technical scheme is used by the utility model:One kind electrolysis
The production equipment of copper foil, it is characterised in that the production equipment of the electrolytic copper foil includes an electrolytic cell, an electrode assemblie, an electricity
Solving roller and at least electric current adjustment control device, the electrolytic cell has an electrolyte entrance, and the electrode assemblie is along institute
The cell wall for stating electrolytic cell is set, and the electrolysis roller is arranged on the electrolytic cell, and the electrolysis roller and the electrode
There is an electrolyte channel between component, at least one electric current adjustment control device is arranged on the electrode assemblie, wherein
At least one electric current adjustment control device includes an insulation board and the conducting strip for the multiple separation being arranged on the insulation board.
In order to solve above-mentioned technical problem, another used technical scheme of the utility model is:A kind of electric current is adjusted
Whole control device, for the production equipment of an electrolytic copper foil, wherein the production equipment of the electrolytic copper foil include an electrolytic cell with
And one be arranged at electrode assemblie on a cell wall of the electrolytic cell, it is characterised in that the electric current adjustment control device includes
One insulation board and multiple conducting strips, the insulation board are arranged on the electrode assemblie, and multiple conducting strips are arranged at institute
State on insulation board and separate each other.
Further, there is the opposite sides of the electrolytic cell rotating cylinder entrance and a rotating cylinder to export respectively, and extremely
A few electric current adjustment control device is arranged on one of two described battery lead plates, and positioned at the rotating cylinder entrance or
Rotating cylinder described in person exports.
Further, the production equipment of the electrolytic copper foil still further comprises another electric current adjustment control dress
Put, two electric current adjustment control devices are respectively arranged on two battery lead plates, and are located at the rotating cylinder entrance respectively
And the rotating cylinder outlet.
Further, the quantity of the conducting strip of the electric current adjustment control device is between 3 to 100.
Further, the area of each conducting strip is between 0.13 square decimeter to 4.6 square decimeters.
Further, there is an insulating barrier, and each described conducting strip electricity between two adjacent conducting strips
Property connection one rectifier.
Further, the electrolytic cell has an accommodating cavity, and a part for the electrolysis roller is positioned at described accommodating
Intracavitary.
The beneficial effects of the utility model are, the production equipment for the electrolytic copper foil that the utility model embodiment is provided,
It can be by the way that " electric current adjusts control device and is arranged on electrode assemblie, and electric current adjustment control device includes an insulation board and set
The design of the conducting strip for the multiple separation being placed on the insulation board ", it is bad and easy to solve the thickness evenness of electrolytic copper foil
Produce the problem of soft line and warpage etc. are bad.
Feature of the present utility model and technology contents are further understood that to be enabled, are referred to below in connection with the utility model
Detailed description and accompanying drawing, but the accompanying drawing provided be merely provided for refer to explanation, not be used for the utility model is added
With limitation.
Brief description of the drawings
Fig. 1 is the schematic diagram (one) of the production equipment of electrolytic copper foil of the present utility model.
Fig. 2 is the schematic diagram (two) of the production equipment of electrolytic copper foil of the present utility model.
Fig. 3 is that the electric current of the production equipment of electrolytic copper foil of the present utility model adjusts the top view of control device.
Fig. 4 is that the electric current of the production equipment of electrolytic copper foil of the present utility model adjusts the side view of control device.
Fig. 5 is the schematic diagram (three) of the production equipment of electrolytic copper foil of the present utility model.
Fig. 6 is the schematic diagram (four) of the production equipment of electrolytic copper foil of the present utility model.
Embodiment
It is to be illustrated by particular specific embodiment disclosed in the utility model about " production of electrolytic copper foil is set below
The embodiment of standby and its electric current adjustment control device ", those skilled in the art can be understood by content disclosed in this specification
The advantages of the utility model and effect.The utility model can be implemented or applied by other different specific embodiments, this
Every details in specification may be based on different viewpoints and application, and various repair is carried out in the case where not departing from spirit of the present utility model
Decorations and change.In addition, accompanying drawing of the present utility model is only simple schematically illustrate, not according to the description of actual size, stated.
Following embodiment will be explained in further detail correlation technique content of the present utility model, but disclosure of that and be not used to
Limit technical scope of the present utility model.
Fig. 1 to Fig. 6 is referred to, the preferred embodiment of the utility model one provides a kind of production equipment Z of electrolytic copper foil, and it is led
To include an electrolytic cell 1, an electrode assemblie 2, one electrolysis roller 3 and at least electric current adjustment control device 4.
As shown in Figures 1 and 2, electrolytic cell 1 is used to store copper electrolyte, in practical application, to make electrolyte in electrolysis
Circulated in groove 1 and regenerate use, the bottom of electrolytic cell 1 is provided with electrolyte entrance 11, and the both sides of electrolytic cell 1 are provided with electrolysis
Liquid exports (non-label).It should be noted that there are the parameters such as the concentration, temperature, pH value for adjusting electrolyte inside electrolytic cell 1
Control and detection components are the ordinary skill in the art, therefore do not add to repeat in this.
Anode of the electrode assemblie 2 as cell reaction, cell wall 12 of the electrode assemblie 2 along electrolytic cell 1 are set, and are electrolysed roller 3
As the negative electrode of cell reaction, electrolysis roller 3 is arranged in electrolytic cell 1, and edge rotates clockwise.In practical application,
Electrode assemblie 2 is impregnated in a part for electrolyte around electrolysis roller 3, and has electrolysis between electrode assemblie 2 and electrolysis roller 3
Liquid stream road E, its width carry out electro-deposition for electrolyte flow generally between 2 to 1000 microns (μm);Accordingly, it is electric
A specific voltage can be maintained between pole component 2 and electrolysis roller 3 by rectifier (not shown), and with electrolysis roller 3
Rotating, the copper thickness deposited to from electrolyte on electrolysis roller 3 also gradually increases, and formation has certain thickness foil,
It is the mat surface with certain roughness exposed to the face of electrolyte, and the face contacted with electrolysis roller 3 is then glassy surface.
Furthermore, the cell wall 12 of electrolytic cell 1 has a curved wall, and electrode assemblie 2 includes two battery lead plates 21,
It is in a manner of avoiding the coverage area of electrolyte entrance 11, and by the bottom of electrolytic cell 1, arcuately wall extends to electrolytic cell 1
Top;Electrolytic cell 1 has an accommodating cavity for containing electrolyte, and is electrolysed a part (lower section 1/4 to 1/2 or so) for roller 3
In accommodating cavity.In the present embodiment, battery lead plate 21 can use insoluble anode material, such as lead, lead-antimony alloy, silver-lead to close
Gold or indium-metal, battery lead plate 21 can also use DSA (Dimensionally Stable Anode) or DSE
(Dimensionally Stable Electrode) material, i.e. platinum family gold is coated on the valve metals such as titanium (valve metal)
The material of category or its oxide.
As shown in Figures 3 and 4, electric current adjustment control device 4 is arranged on electrode assemblie 2, and electrically exhausted with electrode assemblie 2
Edge, specifically, electric current adjustment control device 4 is mainly including an insulation board 41 and multiple separation for being arranged on insulation board 41
Conducting strip 42, wherein two adjacent conducting strips 42 are separated each other by an insulating barrier 43, and each conducting strip 42 and one whole
Device (not shown) is flowed to be electrically connected with.What deserves to be explained is because each conducting strip 42 can be to being electrolysed the foil grown up on roller 3
Diverse location different selected current density (75 to 1000 amperages (A)/plating area (dm are provided2)), to compensate foil
Diverse location thickness, therefore the thickness evenness that can solve electrolytic copper foil is bad and to be also easy to produce soft line and warpage etc. bad
Problem.In the present embodiment, from the point of view of cost performance, the quantity of the conducting strip 42 included by electric current adjustment control device 4 can
Between 3 to 100, preferably between 13 to 26, the area of each of which conducting strip 42 can be between 0.13 to 4.6 square
Decimetre (dm2)。
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 6, according to actual use demand, the quantity of electric current adjustment control device 4 can be one
It is individual, two or more, specifically, there is a rotating cylinder entrance 13 and a rotating cylinder to export respectively for the opposite sides of electrolytic cell 1
14, if only single individual electric current adjustment control device 4, single individual electric current adjustment control device 4 may be disposed at a wherein electrode
On plate 21 and it is located at rotating cylinder entrance 13 (as shown in Figure 5), or is arranged on another battery lead plate 21 and exports 14 (such as positioned at rotating cylinder
Shown in Fig. 6);If there is two electric current adjustment control devices 4, then two electric current adjustment control devices 4 can be respectively arranged at two
On battery lead plate 21, and export 14 (as shown in Figure 1) positioned at rotating cylinder entrance 13 and rotating cylinder respectively, or be located at respectively rotating cylinder entrance 13 and
Between rotating cylinder outlet 14 and electrolyte entrance 11 (as shown in Figure 2), wherein positioned at rotating cylinder entrance 13 or close to rotating cylinder entrance 13
Electric current adjustment control device 4 is mainly used in controlling the long core of crystallization of copper, positioned at rotating cylinder outlet 14 or the electricity close to rotating cylinder outlet 14
Stream adjustment control device 4 is mainly used in controlling the Fast Growth of crystal.
The production equipment Z of electrolytic copper foil in use, can first pass through adjustment flow through electrolyte channel E electrolyte stream
Measure so that the thickness for the foil grown up on electrolysis roller 3 reaches required thickness, recycling electric current adjusts control device 4 to foil
Diverse location different selected current density is provided, to compensate the thickness of the diverse location of foil, finally again by foil from electricity
Peel off on solution roller 3 and continuously batch.
The production equipment Z of the utility model electrolytic copper foil ins and outs it is stated that as above, will further test below
Illustrate advantage of the present utility model.
Experiment condition is as follows:It is electrolysed the diameter 2.7m of roller 3, wide cut 1380mm, the area 553.1dm of battery lead plate 212, electric current is close
Spend 75A/dm2, copper concentration 90g/L, acid concentration 100g/L, the cl concn 35ppm of copper electrolyte, electric current adjustment control device 4
The length (mm) of each conducting strip 42 (HDSA)/wide (mm)=100mm/104mm, area 1.04dm2。
Following table is referred to, with base weight 273g/m2On the basis of, 13 base weights of target, maxima and minima difference is less than 1
Gram, the output current density of each conducting strip 42 is set as (a) 75A/dm2(b)100A/dm2、(c)150A/dm2、(d)
200A/dm2、(e)250A/dm2、(f)300A/dm2And (g) 350A/dm2Carrying out thickness, soft line and warpage improves test.
The test condition of the reference examples of table one
The test result (one) of the reference examples of table two
The test result (two) of the reference examples of table three
As shown in table one to table three, because the electric current that individual conductive piece 42 is not carried out in test adjusts, therefore base weight is not up to equal
One (13 base weights, maxima and minima difference are less than 1 gram), but the problem of appearance of soft line and warpage has and improved.
The test condition of the experimental example of table four
The test result of the experimental example of table five
As shown in table four and table five, because the electric current that individual conductive piece 42 has been carried out in test adjusts, therefore base weight is up to homogeneous
(13 base weights, maxima and minima difference be less than 1 gram), and the problem of appearance of soft line and warpage be improved significantly, thus
Understand, the electric current that reduction amplitude and the conducting strip 42 of soft line quantity are applied there are much relations.
The possible technique effect of embodiment
The production equipment for the electrolytic copper foil that the utility model embodiment is provided, it can be by the way that " electric current adjusts control device
It is arranged on electrode assemblie, and electric current adjustment control device includes an insulation board and the multiple separation being arranged on the insulation board
Conducting strip " design, to solve the problems, such as that the thickness evenness of electrolytic copper foil is bad and it is bad to be also easy to produce soft line and warpage etc..
Content disclosed above is only preferred possible embodiments of the present utility model, not thereby limits to the utility model
Claims protection domain, therefore it is all done with the utility model specification and accompanying drawing content equivalence techniques change,
It is both contained in the protection domain of claims of the present utility model.
Claims (12)
1. a kind of electric current adjusts control device, it is used for the production equipment of an electrolytic copper foil, the production equipment of the electrolytic copper foil
The electrode assemblie on a cell wall of the electrolytic cell is arranged at including an electrolytic cell and one, it is characterised in that the electric current is adjusted
Whole control device includes:
One insulation board, the insulation board are arranged on the electrode assemblie;And
Multiple conducting strips, multiple conducting strips are arranged on the insulation board and separated each other.
2. electric current according to claim 1 adjusts control device, it is characterised in that the quantity of the conducting strip between 3 to
Between 100.
3. electric current according to claim 1 adjusts control device, it is characterised in that the area of each conducting strip is situated between
Between 0.13 square decimeter to 4.6 square decimeters.
4. electric current according to claim 1 adjusts control device, it is characterised in that between two adjacent conducting strips
With an insulating barrier, and each described conducting strip is electrically connected with a rectifier.
5. a kind of production equipment of electrolytic copper foil, it is characterised in that the production equipment of the electrolytic copper foil includes:
One electrolysis roller, the electrolysis roller are arranged on the electrolytic cell, and electrolysis roller and the electrode assemblie it
Between there is an electrolyte channel;And
At least one electric current adjustment control device as claimed in claim 1, the electrolytic cell have an electrolyte entrance;The electricity
A cell wall of the pole component along the electrolytic cell is set;At least one electric current adjustment control device is arranged at the electrode assemblie
On.
6. the production equipment of electrolytic copper foil according to claim 5, it is characterised in that the electrolyte entrance is positioned at described
The bottom of electrolytic cell, the electrode assemblie includes two battery lead plates, and two battery lead plates are entered with avoiding the electrolyte
The mode of the coverage area of mouth, the top of the electrolytic cell is extended to along the cell wall by the bottom of the electrolytic cell.
7. the production equipment of electrolytic copper foil according to claim 6, it is characterised in that the opposite sides of the electrolytic cell point
Not Ju You a rotating cylinder entrance and rotating cylinder outlet, and at least one electric current adjustment control device is arranged at two electrodes
On one of plate, and exported positioned at the rotating cylinder entrance or the rotating cylinder.
8. the production equipment of electrolytic copper foil according to claim 7, it is characterised in that the production equipment of the electrolytic copper foil
Another electric current adjustment control device is still further comprised, two electric current adjustment control devices are respectively arranged at two institutes
State on battery lead plate, and exported respectively positioned at the rotating cylinder entrance and the rotating cylinder.
9. the production equipment of electrolytic copper foil according to claim 8, it is characterised in that the electric current adjustment control device
The quantity of the conducting strip is between 3 to 100.
10. the production equipment of electrolytic copper foil according to claim 9, it is characterised in that the face of each conducting strip
Product is between 0.13 square decimeter to 4.6 square decimeters.
11. the production equipment of electrolytic copper foil according to claim 5, it is characterised in that two adjacent conducting strips
Between there is an insulating barrier, and each described conducting strip is electrically connected with a rectifier.
12. the production equipment of electrolytic copper foil according to claim 5, it is characterised in that the electrolytic cell has one to house
Chamber, and a part for the electrolysis roller is located in the accommodating cavity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720135420.XU CN206721376U (en) | 2017-02-15 | 2017-02-15 | Production equipment and its electric current the adjustment control device of electrolytic copper foil |
Applications Claiming Priority (1)
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CN201720135420.XU CN206721376U (en) | 2017-02-15 | 2017-02-15 | Production equipment and its electric current the adjustment control device of electrolytic copper foil |
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Publication Number | Publication Date |
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Family
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CN201720135420.XU Withdrawn - After Issue CN206721376U (en) | 2017-02-15 | 2017-02-15 | Production equipment and its electric current the adjustment control device of electrolytic copper foil |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108425135A (en) * | 2017-02-15 | 2018-08-21 | 金居开发股份有限公司 | The production equipment and its electric current of electrolytic copper foil adjust control device |
CN111194134A (en) * | 2018-11-15 | 2020-05-22 | 金居开发股份有限公司 | Electrolytic copper foil subjected to fine roughening treatment and copper-clad substrate using same |
US11186918B2 (en) | 2018-11-05 | 2021-11-30 | Co-Tech Development Corp. | Micro-roughened electrodeposited copper foil and copper clad laminate using the same |
-
2017
- 2017-02-15 CN CN201720135420.XU patent/CN206721376U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108425135A (en) * | 2017-02-15 | 2018-08-21 | 金居开发股份有限公司 | The production equipment and its electric current of electrolytic copper foil adjust control device |
CN108425135B (en) * | 2017-02-15 | 2020-02-07 | 金居开发股份有限公司 | Production equipment of electrolytic copper foil and current adjusting and controlling device thereof |
US11186918B2 (en) | 2018-11-05 | 2021-11-30 | Co-Tech Development Corp. | Micro-roughened electrodeposited copper foil and copper clad laminate using the same |
CN111194134A (en) * | 2018-11-15 | 2020-05-22 | 金居开发股份有限公司 | Electrolytic copper foil subjected to fine roughening treatment and copper-clad substrate using same |
CN111194134B (en) * | 2018-11-15 | 2021-11-02 | 金居开发股份有限公司 | Electrolytic copper foil subjected to fine roughening treatment and copper-clad substrate using same |
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Granted publication date: 20171208 Effective date of abandoning: 20200207 |
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