CN106011951B - A kind of electrolytic copper foil manufacture auxiliary anode device and electrolytic copper foil manufacture device for reducing copper foil pin hole - Google Patents
A kind of electrolytic copper foil manufacture auxiliary anode device and electrolytic copper foil manufacture device for reducing copper foil pin hole Download PDFInfo
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- CN106011951B CN106011951B CN201610384142.1A CN201610384142A CN106011951B CN 106011951 B CN106011951 B CN 106011951B CN 201610384142 A CN201610384142 A CN 201610384142A CN 106011951 B CN106011951 B CN 106011951B
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- copper
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- copper foil
- impressed current
- titanium
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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
- C25D1/00—Electroforming
- C25D1/04—Wires; Strips; Foils
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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
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
A kind of auxiliary anode device for reducing copper foil pin hole, it is installed on the liquid outlet of electrolytic copper foil manufacture device, including the impressed current anode plate separated by the positive plate of the first insulation board and electrolytic copper foil manufacture device, the titanium copper-clad being connected side by side with impressed current anode plate, the second insulation board being covered on impressed current anode plate side and titanium copper-clad outer surface, the titanium copper-clad combined with titanium copper-clad links, with titanium copper-clad link combine copper bar, and be conductively connected with copper bar and be copper bar power high-frequency rectification power supply.Do not change existing copper foil technological parameter it is constant under conditions of, start the first crystal habit for making phasic change copper foil of deposition in copper foil, make the crystallization of copper foil deposition fine and smooth uniformly, reduce copper foil pin hole, dredge hole, increase the combination power of copper foil and material, reduce the warpage of copper foil.
Description
Technical field
The present invention relates to a kind of electrolytic copper foil manufacture auxiliary anode device for reducing copper foil pin hole and including the device
Electrolytic copper foil manufacture device.Do not change existing copper foil technological parameter it is constant under conditions of, first make rank what copper foil started deposition
Section changes the crystal habit of copper foil, makes the crystallization of copper foil deposition fine and smooth uniformly, reduces copper foil pin hole, dredges hole, increase copper foil and material
The combination power of material, reduces the warpage of copper foil.
Background technology
Electrolytic copper foil be using surface scribble Titanium cylinder cathode roll as cathode, in the cell bottom of semi arch
Surface is provided with positive plate as anode, and cathode roll is sunk to electrolytic cell, using the electrolyte in gap between the two as medium, into
Row chemical deposition, makes copper foil " length " arrive cathode roller surface.
(see Fig. 1) in existing and traditional handicraft, the chemical deposition reaction for generating copper foil starts at the liquid outlet of right side, to a left side
Terminate at the liquid outlet of side, stripped roller is separated with cathode roll, all same such as electrolyte during which, current density so that copper foil exists
It is thicker and uneven to start the crystalline element of deposition formation at initial stage, influences the characteristic of copper foil, 18um and the performance of following thin foil are bright
It is aobvious：1st, since crystallite size is uneven, easily there is pin hole or thin hole；2nd, crystallite size is uneven, and opposite specific surface area is smaller,
It is unstable with the peel strength of base material；3rd, crystallization is thick and uneven, influences the internal stress of copper foil, shows as copper foil warpage.
Prior art improves copper foil knot by using composite additive in foil electrolyte in electrolytic process
Crystalline form state, reduces crystallization profile, reduces internal unbalanced internal stress.
The improvement of copper foil additive, can only change stress and crystallization to a certain extent, and effect is limited, during to initial reaction
Pin hole or thin hole caused by bubble are produced without improvement.
The content of the invention
In order to reduce the pin hole of copper foil or thin hole, strengthen the combination power of copper foil and resin, reduce because internal stress is uneven and
Caused warpage, the present invention provide a kind of auxiliary anode device for reducing copper foil pin hole.
A kind of auxiliary anode device of reduction copper foil pin hole of the present invention, it goes out liquid installed in electrolytic copper foil manufacture device
Mouthful, including the impressed current anode plate separated by the positive plate of the first insulation board and electrolytic copper foil manufacture device, with impressed current anode plate
The titanium copper-clad connected side by side, the second insulation board being covered on impressed current anode plate side and titanium copper-clad outer surface, with titanium copper-clad
With reference to titanium copper-clad link, with titanium copper-clad link combine copper bar, and be conductively connected with copper bar and be copper bar power high frequency
Rectifier power source.
Preferably, impressed current anode plate thickness is identical with positive plate, and length 1380mm, width is between 26mm~30mm.
According to an embodiment, impressed current anode plate and positive plate are equally that pure titanium is made.
Preferably, titanium copper-clad is L-type titanium copper-clad.
Preferably, it is uniform-distribution with impressed current anode plate and multiple is used to impressed current anode plate being fixed on type titanium copper-clad and same
When have the conductive screw of electric action, screw position and conductive screw position on positive plate are correspondings, and nut and impressed current anode plate
Surface is in the same plane.
Preferably, the second insulation board is " Z " font, is covered in impressed current anode plate side and titanium copper-clad surface, shielding auxiliary
Positive plate upper side, when electrolyte flows through, does not produce deleterious current, it is ensured that electric current perpendicular acting is in the positive table of impressed current anode
Face, also prevents electrolytic corrosion, and unreacted electrolyte will overflow at the second insulation board, and liquid is flowed to out along the second insulation board
Mouthful.Titanium copper-clad link (such as 2-8 roots, preferably from about 4) is " Z " font bulk titanium copper-clad, plays link copper bar and titanium copper-clad, leads
Electro ultrafiltration, while do not stop liquid outlet again goes out liquid.
Preferably, further comprise fixing bolt, the first insulation board, the second insulation board, titanium copper-clad and titanium copper-clad are linked
Fix, ensure the firm of structure.Impressed current anode plate is fixed on type titanium copper-clad by conductive screw, while has electric action.
The present invention additionally provides a kind of electrolytic copper foil manufacture device, it is characterised in that it includes above-mentioned being installed on cathode copper
The auxiliary anode device of the liquid outlet of paper tinsel manufacture device.
Advantages of the present invention
Impressed current anode with independent high frequency electric source is set, and gas when reducing embryo deposit produces, and reduces copper foil spy
It is not the pin hole of below 18um copper foils or thin hole；
Impressed current anode with independent high frequency electric source is set, and makes copper crystal grain caused by copper foil embryo deposit fine and smooth uniformly, into
And the change of follow-up crystal form is influenced, make copper foil crystalline state for fine and smooth uniform column structure, the profile of copper foil is fine and smooth uniformly, increases
The big specific surface area of hair side, and then increase and the combination power of resin；
The setting of impressed current anode, the crystallization for making copper foil is finer and smoother uniform column structure, reduces copper foil and is particularly
The influence of unbalanced internal stress inside the following copper foil of 18um thickness, reduces the warpage of copper foil.
Brief description of the drawings
Fig. 1 is prior art copper foil manufacture device.
Fig. 2 is the copper foil manufacture device of the present invention with auxiliary anode device.
Fig. 3 is impressed current anode apparatus structure schematic diagram.
The structure diagram of supporing yang pole plate supplemented by Fig. 4.
Supporing yang pole plate 7, titanium copper-clad 11, titanium copper-clad link the position and connection pass between 12 (4), copper bar 13 supplemented by Fig. 5
System's figure.
Embodiment
Below in conjunction with the accompanying drawings, by example, the present invention will be further described.
As shown in Fig. 2, a kind of copper foil manufacture device including auxiliary anode device, it includes：Cathode roll 1, positive plate 2,
Inlet 3, stripper roll 4, liquid outlet 5a, 5b, the auxiliary anode device 6 on liquid outlet.
As shown in figure 3, auxiliary anode device 6 includes filling by the first insulation board (PVC insulation boards) 8 and electrolytic copper foil manufacture
The impressed current anode plate 7 that the positive plate 2 put separates, (L-type) the titanium copper-clad 11 being connected side by side with impressed current anode plate 7, is covered in auxiliary
The second insulation board (PVC insulation boards) 9 on 11 outer surface of 7 side of positive plate and titanium copper-clad, the titanium bag combined with titanium copper-clad 11
Brass chain connects 12, with titanium copper-clad link combine copper bar 13, and is electrically connected with copper bar and be copper bar power high-frequency rectification power supply
14。
As shown in figure 4, an embodiment of impressed current anode plate 7, the length of impressed current anode plate 7 is 1380mm, wide
For degree between 26mm~30mm, conductive screw 12 is 14.
Fig. 5 shows that impressed current anode plate 7, titanium copper-clad 11, titanium copper-clad link position and company between 12 (4), copper bar 13
Connect relation.
The device is applicable in positive, reverse winding foil mode, need to only change the installation of impressed current anode by winding mode
Orientation.Such as Fig. 2, foil electrolyte is between the inlet 3 among bottom of electrolytic tank is injected between cathode roll 1 and positive plate 2
In gap, due to the relation of hydraulic pressure, groove electrolyte inside maintains an equal level with liquid outlet 5a, liquid outlet 5b, excess electrolyte can by pipeline into
Enter electrolyte circulation system.
Impressed current anode system 6 is installed at liquid outlet 5a, auxiliary sun is provided with above the positive plate 2 of conventional symmetrical installation
Pole plate 7, the 8, second insulation board of the first insulation board (PVC insulation boards) (PVC insulation boards) 9, L-type titanium copper-clad 11, titanium copper-clad link 12
(4) and copper bar 13.7 thickness of impressed current anode plate is identical with positive plate 2, length 1380mm, width can 26mm~30mm it
Between, be uniform-distribution with some conductive screws 10 thereon, screw position is corresponding with conductive screw position on positive plate 2, and nut and
Impressed current anode plate surface is in the same plane.First insulation board 8 is arranged between positive plate 2 and impressed current anode plate 7, is played absolutely
Edge acts on, and the power supply of impressed current anode plate 7 is provided by single high-frequency rectification power supply 14.The high-frequency electrical circulation of high-frequency rectification power supply 14
Copper bar 13 is crossed, then 12 (4) are linked by titanium copper-clad and are transferred on L-type titanium copper-clad 11, is finally applied on impressed current anode plate 7,
Current direction be perpendicular to 7 surface of impressed current anode plate, it is parallel with 2 surface negative charge direction of cathode roll.Second insulation board 9 is " Z "
Font, is covered in 11 surface of 7 side of impressed current anode plate and L-type titanium copper-clad, shields impressed current anode plate upper side, in electrolysis liquid stream
Through when, do not produce deleterious current, it is ensured that electric current perpendicular acting also prevents electrolytic corrosion, not instead in impressed current anode front surface
The electrolyte answered will overflow at the second insulation board 9, and liquid outlet 5a is flowed to along the second insulation board 9.Titanium copper-clad links 12 (4)
For " Z " font bulk titanium copper-clad, link copper bar 13 and L-type titanium copper-clad 11, electric action are played, while do not stop liquid outlet 5a again
Go out liquid.First insulation board 8, the second insulation board 9, L-type titanium copper-clad 11 and titanium copper-clad are linked 12 (4) fixations by fixing bolt 15
Firmly, the firm of structure is ensured.Impressed current anode plate 7 is fixed on L-type titanium copper-clad 11 by conductive screw 10, while has electric action.
Such as Fig. 2, cathode roll rotation direction is clockwise, and foil electrolyte is from the inlet 3 among bottom of electrolytic tank
Inject in the gap between cathode roll 1 and positive plate 2, due to the relation of hydraulic pressure, groove electrolyte inside is held with liquid outlet 5a, liquid outlet 5b
Flat, foil machine start, cathode roll starts to operate clockwise, (since copper foil is deposited on cathode roller surface, you can be interpreted as copper
Paper tinsel deposits generation since liquid outlet 5a positions, to when running to liquid outlet 5b positions, passes through stripper roll and cathode roller surface point
From.) while open high-frequency rectification power supply 14, high frequency electric is linked into 12 (4) and L-type titanium copper-clad by copper bar 13, titanium copper-clad
11 are transferred on impressed current anode plate 7.It is liquid outlet that titanium copper-clad, which links 12 (4) and 11 junction rear of L-type titanium copper-clad,.
First insulation board 8 separates impressed current anode plate 7 and L-type titanium copper-clad 11 with positive plate 2, avoids on impressed current anode plate 7
Electric current it is impacted.High frequency electric on impressed current anode plate 7 reduces the gas produced at embryo deposit, while makes embryo deposit
Copper crystallization crystal grain it is fine and smooth uniformly, make subsequent deposition reaction as substrate, make copper foil crystalline state be changed into it is fine and smooth uniformly
Column structure, the profile of hair side also becomes uniform.
During work, foil electrolyte injects the gap between cathode roll 1 and positive plate 2 from inlet 3, and foil electromechanical source is opened
Open, cathode roll 1 starts to operate clockwise, while opens high-frequency rectification power supply 14 and provide high-frequency electrical for whole impressed current anode system 6
Source, the first insulation board 8 separate impressed current anode plate 7 and positive plate 2, make both be different high frequency electrics respectively, cathode roll table
Face is negatively charged, and positive plate and impressed current anode plate surface are positively charged, and the copper in electrolyte starts in the form of crystal grain in cathode
Roller surface deposits.The high frequency electric that high-frequency rectification power supply 14 provides is passed by copper bar 13, titanium copper-clad link 12 and L-type titanium copper-clad 11
Defeated to arrive 7 surface of impressed current anode plate, current direction is parallel with negative electrical charge direction on cathode roll perpendicular to 7 surface of impressed current anode plate.By
In there is independent high frequency electric effect in impressed current anode system 6, make at embryo deposit (the correspondence cathode roller surface of impressed current anode plate 7
Position) the copper crystal grain that is formed is fine and smooth uniformly, while reduces the gas of this position generation, copper foil pin hole or dredge empty reduce.With first
The copper of beginning lodgment (impressed current anode plate 7 corresponds to the position of cathode roller surface) deposition is substrate, with the operating of cathode roll 1, table
Face deposition copper crystal grain become it is more, to liquid outlet 5b locate when deposition terminate, pass through stripper roll 4 peel off winding, as foil semi-finished product.
The electrolyte for reaction enters electrolyte circulation system by liquid outlet 5a, 5b respectively at the same time, then enters electrolytic cell from inlet,
This cyclic process is synchronous with the deposition reaction on cathode roll to be carried out.
Second insulation board 9 is " Z " font, is covered in 11 surface of impressed current anode plate side and L-type titanium copper-clad, shielding auxiliary sun
Pole plate upper side, when electrolyte flows through, does not produce deleterious current, it is ensured that electric current perpendicular acting is in the positive table of impressed current anode
Face, also prevents electrolytic corrosion, and unreacted electrolyte will be overflowed at the second insulation board 9, and flowed to out along the second insulation board 9
Liquid mouth 5a.(titanium copper-clad links rear).
Impressed current anode plate 7 is fixed on L-type titanium copper-clad 11 by conductive screw 10, while electric action again.
PVC insulation boards 8, PVC insulation boards 9, L-type titanium copper-clad 11 and titanium copper-clad are linked 12 (4) fixations by fixing bolt 15
Firmly, the firm of total is ensured.
Embodiment
Using in copper foil manufacture device manufacturing copper foil of the liquid outlet with the auxiliary anode device shown in Fig. 3 of the present invention, phase
Than in the copper foil manufacture device for not including auxiliary anode device of the prior art, as a result, below the 8um copper foils pin hole that is produced or
Thin hole substantially reduces even nothing, and the profile of copper foil is fine and smooth uniformly, reduces the warpage of copper foil.
Claims (8)
1. a kind of auxiliary anode device for reducing copper foil pin hole, it is installed on the liquid outlet of electrolytic copper foil manufacture device, including logical
The impressed current anode plate that the positive plate of the first insulation board and electrolytic copper foil manufacture device separates is crossed, is connected side by side with impressed current anode plate
Titanium copper-clad, the second insulation board being covered on impressed current anode plate side and titanium copper-clad outer surface, the titanium bag combined with titanium copper-clad
Brass chain connects, with titanium copper-clad link combine copper bar, and be conductively connected with copper bar and be copper bar power high-frequency rectification power supply.
2. auxiliary anode device according to claim 1, it is characterised in that impressed current anode plate thickness is identical with positive plate,
Length is 1380mm, and width is between 26mm~30mm.
3. auxiliary anode device according to claim 1, it is characterised in that titanium copper-clad is L-type titanium copper-clad.
4. auxiliary anode device according to claim 3, it is characterised in that multiple use are uniform-distribution with impressed current anode plate
In impressed current anode plate is fixed on L-type titanium copper-clad and has the conductive screw of electric action at the same time, conductive screw position and anode
Conductive screw position corresponds on plate, and nut and impressed current anode plate surface are in the same plane.
5. auxiliary anode device according to any one of claim 1-3, it is characterised in that the second insulation board is " Z " word
Type, is covered in impressed current anode plate side and titanium copper-clad surface, shields impressed current anode plate upper side.
6. auxiliary anode device according to any one of claim 1-3, it is characterised in that titanium copper-clad is linked as " Z " word
Type bulk titanium copper-clad, plays the role of linking copper bar and titanium copper-clad, conduction while does not stop that liquid outlet goes out liquid again.
7. auxiliary anode device according to any one of claim 1-3, it is characterised in that further comprise being used for the
One insulation board, the second insulation board, titanium copper-clad and the link of titanium copper-clad are fixed and ensure the fixing bolt of stabilized structure.
A kind of 8. electrolytic copper foil manufacture device, it is characterised in that it include it is any one of claim 1-7, be installed on
The auxiliary anode device of the liquid outlet of electrolytic copper foil manufacture device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384142.1A CN106011951B (en) | 2016-05-27 | 2016-05-27 | A kind of electrolytic copper foil manufacture auxiliary anode device and electrolytic copper foil manufacture device for reducing copper foil pin hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384142.1A CN106011951B (en) | 2016-05-27 | 2016-05-27 | A kind of electrolytic copper foil manufacture auxiliary anode device and electrolytic copper foil manufacture device for reducing copper foil pin hole |
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| Publication Number | Publication Date |
|---|---|
| CN106011951A CN106011951A (en) | 2016-10-12 |
| CN106011951B true CN106011951B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610384142.1A Active CN106011951B (en) | 2016-05-27 | 2016-05-27 | A kind of electrolytic copper foil manufacture auxiliary anode device and electrolytic copper foil manufacture device for reducing copper foil pin hole |
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| CN110904467B (en) * | 2019-12-27 | 2023-06-27 | 昆明理工大学 | Assembled anode for synthesizing stannous octoate through electrochemical reaction and assembling method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328176A (en) * | 2000-05-31 | 2001-12-26 | 日本电解株式会社 | Method and equipment for producing electrolytic copper foil |
| CN101928970A (en) * | 2009-06-20 | 2010-12-29 | 赣州逸豪实业有限公司 | Method and equipment for producing high-precision electrolytic copper foil |
| CN204608185U (en) * | 2015-01-28 | 2015-09-02 | 九江德福电子材料有限公司 | A kind of Electrolytic copper foil generator |
| CN204849068U (en) * | 2015-07-23 | 2015-12-09 | 灵宝华鑫铜箔有限责任公司 | Foil forming machine copper bar connection structure |
-
2016
- 2016-05-27 CN CN201610384142.1A patent/CN106011951B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328176A (en) * | 2000-05-31 | 2001-12-26 | 日本电解株式会社 | Method and equipment for producing electrolytic copper foil |
| CN101928970A (en) * | 2009-06-20 | 2010-12-29 | 赣州逸豪实业有限公司 | Method and equipment for producing high-precision electrolytic copper foil |
| CN204608185U (en) * | 2015-01-28 | 2015-09-02 | 九江德福电子材料有限公司 | A kind of Electrolytic copper foil generator |
| CN204849068U (en) * | 2015-07-23 | 2015-12-09 | 灵宝华鑫铜箔有限责任公司 | Foil forming machine copper bar connection structure |
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| CN106011951A (en) | 2016-10-12 |
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Address after: 247000 No. 189 Qingxi Road, Chizhou economic and Technological Development Zone, Anhui Co-patentee after: Hefei Tongguan electronic copper foil Co., Ltd Patentee after: Anhui Tongguan copper foil Group Co., Ltd Address before: 247000 No. 189 Qingxi Road, Chizhou economic and Technological Development Zone, Anhui Co-patentee before: HEFEI TONGGUAN GUOXUAN COPPER PRODUCTS Co.,Ltd. Patentee before: ANHUI TONGGUAN COPPER FOIL Co.,Ltd. |