CN201420093Y - Copper foil modification device - Google Patents
Copper foil modification device Download PDFInfo
- Publication number
- CN201420093Y CN201420093Y CN200920156266XU CN200920156266U CN201420093Y CN 201420093 Y CN201420093 Y CN 201420093Y CN 200920156266X U CN200920156266X U CN 200920156266XU CN 200920156266 U CN200920156266 U CN 200920156266U CN 201420093 Y CN201420093 Y CN 201420093Y
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- copper foil
- thermal treatment
- unit
- treatment unit
- modifying apparatus
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Abstract
A copper foil modification device comprises a heating area, a conveying unit, a heat treatment unit and a temperature control unit, wherein the conveying unit is used for conveying copper foil, the heat treatment unit is used for performing heat treatment on the copper foil conveyed by the conveying unit in the heating area, and the temperature control unit is connected to the heat treatment unitso as to control temperature. By aid of preset treatment parameters of the temperature control unit and by utilizing the conveying unit to convey the copper foil to the heating area for heat treatment, extensibility and flexibility of the copper foil can be modified. Besides, through the heat treatment unit and the conveying unit, the copper foil modification device is adaptable to batch or continuous process to reduce production cost.
Description
Technical field
The utility model relates to a kind of modifying apparatus, particularly relates to a kind of modifying apparatus that improves Copper Foil extensibility and flexibility.
Background technology
The structure of printed circuit board (PCB) especially has the flexible characteristic, mainly comprise flexible copper foil substrate (Flexible Copper Clad Laminate, FCCL) and the tectum (Coverlay) that is covered in this flexible copper foil substrate metal level.In the flexible copper foil substrate structure, mainly be with Copper Foil as metal level, this Copper Foil can be divided into rolled copper foil (Rolled Annealed Copper, RA) and electrolytic copper foil (Electrodeposited, ED).The electrolytic copper foil manufacturing cost is lower, and the Copper Foil lattice variations has different othernesses with property very, easily produces fracture or easy crisp phenomenon behind the circuit etching.Rolled copper foil then has preferable flexibility, thereby often is used on the flexible copper foil substrate, yet the manufacturing cost of rolled copper foil is higher, and its thickness is also restricted, is unfavorable for reducing the integrated circuit plate thickness.
The wiring material of past printed circuit board (PCB) is to use general electrolytic copper foil, can't reach the material behavior of ultrahigh-temperature extensibility Super-HTE (Super-High Temperature Elongation) grade and rolled copper foil aspect pliability.Therefore, generally all be to be the selection benchmark in high deflection demand side with cost high relatively Super-HTE grade and rolled copper foil.
Copper Foil is owing to give birth to additive adding proportion difference in the paper tinsel manufacturing processed, cause unit elongation variation in heat treatment process, with electrolytic copper foil, unit elongation changes little during normality, the toughness of this kind Copper Foil crystalline network is relatively poor, very property is also undesirable, and flexural property is relatively low, generally is used for the product of lower-order, Copper Foil manufacturer thereby develop Super-HTE, with its Copper Foil characteristic, crystalline network helps the unit elongation and the change in toughness of material than comparatively dense, for the material reworking, have greatly improved as material be full of cracks after the machine drilling, higher flexural property is arranged, the flexural property of the rolled copper foil that can match in excellence or beauty.
The otherness of electrolytic copper foil and Super-HTE characteristic is elongation, and from the physical property aspect, preferable than the material softness and the processibility of high elongation rate, promptly the folding strength to Copper Foil has lifting.Super-HTE can be applied in flexibility and flexibility in application end and require to compare on the higher material; Electrolytic copper foil is then more weak in this regard.Therefore, still need a kind of energy to improve the flexibility of electrolytic HTE Copper Foil and the technology of flexibility, reduce production costs thus.
The utility model content
In view of the shortcoming of above-mentioned prior art, the purpose of this utility model provides a kind of Copper Foil modifying apparatus, and flexibility and flexibility that it can improve electrolytic HTE Copper Foil reduce production costs thus.
For reaching above-mentioned and other purpose, the utility model provides a kind of Copper Foil modifying apparatus, comprises the heating zone; In order to carry the supply unit of this Copper Foil; First thermal treatment unit is in order to the Copper Foil in this thermal treatment this heating zone that this supply unit is delivered to, heating zone; And be connected to the temperature conditioning unit of this first thermal treatment unit with controlled temperature.
In one embodiment, this Copper Foil modifying apparatus also comprises cooling area, to hold this through heat treated Copper Foil.
Again in one embodiment, this Copper Foil modifying apparatus comprises that also second thermal treatment unit with the adjacent setting of first thermal treatment unit is for alternatively entering in this cooling area.
In another specific embodiment, Copper Foil modifying apparatus of the present utility model also comprises the 3rd thermal treatment unit, connects these other thermal treatment units and setting adjacent one another are alternatively to enter in this cooling area.
For ease of carrying Copper Foil to heat-treat, the supply unit of Copper Foil modifying apparatus of the present utility model comprises unreeling shaft, Scroll and at least one roller of being located between this unreeling shaft and the Scroll, and in non-limiting specific embodiment, this roller enters in the cooling area in order to make this Copper Foil.
Copper Foil modifying apparatus of the present utility model mainly is to carry pending Copper Foil by supply unit, and by thermal treatment unit heat treated Copper Foil under the default processing parameter of temperature conditioning unit, make the Copper Foil crystal lattice recombination improving extensibility and flexibility, and then promote product work-ing life.In addition, behind design thermal treatment unit and supply unit, Copper Foil modifying apparatus of the present utility model is suitable for batch or continous way processing, reduces production costs thus.
Description of drawings
Fig. 1 is the structural representation that shows Copper Foil modifying apparatus one embodiment of the present utility model;
Fig. 2 is the structural representation that shows another embodiment of Copper Foil modifying apparatus of the present utility model.
The main element nomenclature:
10 heating zone
20 supply units
21 unreeling shafts
22 rollers
23 Scrolls
30 first thermal treatment units
30 ' second thermal treatment unit
30 " the 3rd thermal treatment unit
40 temperature conditioning units
50 cooling areas
61 mounting blocks
100,200 Copper Foil modifying apparatus
Embodiment
Below by specific specific examples embodiment of the present utility model is described, those skilled in the art can understand other advantages of the present utility model and effect easily by the content that this specification sheets disclosed.The utility model also can be implemented or be used by other different specific exampless, and the every details in this specification sheets also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present utility model not deviating from.
Copper Foil described in the utility model is not in order to limiting the specific product of finishing, for example simple Copper Foil, and be meant the copper clad laminate that comprises Copper Foil or have polymeric film.
Fig. 1 is the specific examples of explanation Copper Foil modifying apparatus of the present utility model.This Copper Foil modifying apparatus 100 comprises the heating zone 10 that is positioned at device, supply unit 20, and first thermal treatment unit 30, for to the heat treated Copper Foil of needs is arranged, carries out upgrading as electrolytic copper foil.In addition, Copper Foil modifying apparatus of the present utility model also comprises temperature conditioning unit 40, is connected to this first thermal treatment unit 30 to control heat treated temperature, and this temperature conditioning unit 40 has temperature sensing and fabrication process parameters set-up function, with the temperature of detecting heating zone 10, avoid temperature too high.Copper Foil modifying apparatus of the present utility model also comprises cooling area 50, to hold this through heat treated Copper Foil.
As shown in the figure, this supply unit 20 comprises unreeling shaft 21, Scroll 23 and at least one roller 22, this roller 22 is located between this unreeling shaft 21 and the Scroll 23, in the present embodiment, provide a roller 22 to enter in the cooling area 50 to make this Copper Foil, yet this quantity is not in order to limiting scope of the present utility model, and only in order to do suitable explanation.In view of the above, with pending Copper Foil, for example electrolytic copper foil is fixed on this unreeling shaft 21, and the fabrication process parameters of setting by these roller 22 collocation is sent to Scroll 23.Use at the processing upgrading of small size Copper Foil, this supply unit can only comprise that then roller 22 and/or delivery platform are to transmit Copper Foil.In addition, this thermal treatment unit is arranged at the side that this supply unit is delivered to the heating zone Copper Foil, is just heat-treating as the endmost surface of vertical Copper Foil.
Another specific embodiment as shown in Figure 2, Copper Foil modifying apparatus of the present utility model comprises at least two thermal treatment units, is arranged at the side of the Copper Foil of carrying respectively.In the present embodiment, also illustrate this Copper Foil modifying apparatus particularly and be provided with i.e. first, second and third thermal treatment unit 30,30 ' and 30 of three thermal treatment units "; still; in preferred embodiment; lateral two thermal treatment units that are arranged at the Copper Foil of carrying respectively are for enough; certainly, for more elastic design and manufacture technology is provided, then can use more thermal treatment unit.
Consult Fig. 2 again, Copper Foil modifying apparatus of the present utility model also comprises the roller 22 that is arranged at 23 of this unreeling shaft 21 and Scrolls, and this roller 22 is in order to make this Copper Foil enter in the cooling area 50.More specifically, this roller 22 changes the throughput direction of this Copper Foil, makes that the Copper Foil in heating zone 10 and the cooling area 50 forms an angle, and this angle is not limited to the right angle of present embodiment.In the embodiment shown in Figure 2, this first, second and third thermal treatment unit 30,30 ' and 30 " can pass through pivot (for example, but be not limited to that temperature conditioning unit 40 covers perpendicular on the accompanying drawing direction) and vertically be located at three mounting blocks 61 of this pivot and group is established.On the other hand, rotation and the cooperation fabrication process parameters by pivot can make second thermal treatment unit 30 ' be adjusted to a side of cooling area 50 by a side of heating zone 10.Therefore, Copper Foil modifying apparatus of the present utility model can comprise that the thermal treatment unit of two adjacent settings alternatively to enter in this cooling area, perhaps also comprises a thermal treatment unit, and connects these other thermal treatment units alternatively to enter in this cooling area.Moreover for reaching the utility model purpose, it is good that this first, second and third thermal treatment unit is selected directional heater for use, for example the infrared rays directional heater.
In addition, for reaching the purpose of this utility model, the utility model finds that general HTE Copper Foil changes at 180 ℃ of lattices, and along with temperature rising lattice meeting comparatively dense, wherein, for the Copper Foil of this area, preferable effect is arranged in the time of 300 ℃.Particularly, crystal lattice recombination gets more obviously behind 220 ℃ of thermal treatment HTE Copper Foils, in addition, after 300 ℃ of processing, imposes temper again, can make Copper Foil crystalline network stabilization.
In specific embodiment of the utility model, be to use copper clad laminate to heat-treat, its non-limiting fabrication process parameters for make copper clad laminate in the heating zone by 40 ℃ be warming up to 300 ℃ about 35 to 45 minutes, then continue 8 to 15 minutes 300 ℃ of thermal treatments, at last, in 90 to 100 minutes, be cooled to 80 ℃ by 300 ℃.And on concrete enforcement, no matter all applicable aforementioned fabrication process parameters of the Copper Foil modifying apparatus of Fig. 1 or Fig. 2.Because the cooling area 50 of Fig. 1 is located in the Copper Foil modifying apparatus, therefore, can satisfy the cooling condition by the envrionment temperature in this device.
In another embodiment, be to carry out the Copper Foil upgrading by Fig. 2, mainly be that 10 1 sides heat up and thermal treatment in the heating zone as first thermal treatment unit 30 in utilization in the enforcement, along with heat treated end, copper clad laminate is delivered to cooling area 50, first thermal treatment unit 30 then is converted to the position of second thermal treatment unit 30 ' as shown in the figure with by the convenient control of thermal treatment unit cooling condition, is bound by Scroll more at last.Certainly, this moment the 3rd thermal treatment unit 30 " enter the position of heating zone 10, this is that the contained thermal treatment unit of the utility model alternatively enters cooling area or heating zone, so that the control manufacturing process.
Embodiment
The unit elongation test
Get the dog bone external form sample that copper clad laminate and punching press form general tensile test, it is of a size of 15cm * 1.5cm, then, using omnipotent puller system (SHIMADZU AG-I tension testing machine) and adjusting strength sensor (Load Cell) loading is 10 kilograms of unit elongation (%) with length direction (MD) before the specimen fracture and width (TD), and with outcome record in showing.
The flexibility test
Cut the copper clad laminate of size 15cm * 1.0cm, and the flexibility of use folding strength machine (Hung TaInstrument-HT-8636) copper test foil substrate sample, wherein, the voltage that uses during test is AC220V, and test R angle is the mark point of 0.38mm and deflection stayed mast.Similarly, in test case, the flexibility of length direction (MD) and width (TD) before the specimen fracture, and with outcome record in table 1.
Table 1
Shown in table 1 result, use the utility model Copper Foil modifying apparatus as shown in Figure 1, make the unit elongation and the flexibility of general HTE copper clad laminate obtain to improve greatly, especially, the unit elongation of treated HTE is suitable with calendering copper, and near the performance of Super HTE, and the flexibility of treated HTE also is better than Super HTE, therefore, Copper Foil modifying apparatus of the present utility model improves extensibility and flexibility really, and then promotes product work-ing life.
The foregoing description is illustrative principle of the present utility model and effect thereof only, but not is used to limit the utility model.Any those skilled in the art all can be under spirit of the present utility model and category, and the foregoing description is modified and changed.Therefore, rights protection scope of the present utility model should be foundation with the scope of claims.
Claims (9)
1, a kind of Copper Foil modifying apparatus is characterized in that, comprising:
The heating zone;
Supply unit is in order to carry this Copper Foil;
First thermal treatment unit is in order to the Copper Foil in this thermal treatment this heating zone that this supply unit is delivered to, heating zone; And
Temperature conditioning unit is connected to this first thermal treatment unit with controlled temperature.
2, Copper Foil modifying apparatus according to claim 1 is characterized in that: this supply unit comprises unreeling shaft, Scroll and at least one roller of being located between this unreeling shaft and the Scroll.
3, Copper Foil modifying apparatus according to claim 2, it is characterized in that: this first thermal treatment unit is arranged at the side of the Copper Foil of heating zone that this supply unit is delivered to.
4, Copper Foil modifying apparatus according to claim 1 is characterized in that: also comprise cooling area, to hold this through heat treated Copper Foil.
5, Copper Foil modifying apparatus according to claim 4 is characterized in that: comprise that also second thermal treatment unit with the adjacent setting of this first thermal treatment unit is alternatively to enter in this cooling area.
6, Copper Foil modifying apparatus according to claim 5 is characterized in that: this supply unit comprises unreeling shaft, Scroll and at least one roller of being located between this unreeling shaft and the Scroll, and this roller enters in the cooling area in order to make this Copper Foil.
7, Copper Foil modifying apparatus according to claim 6 is characterized in that: also comprise the 3rd thermal treatment unit, connect this first thermal treatment unit and second thermal treatment unit alternatively to enter in this cooling area.
8, according to arbitrary described Copper Foil modifying apparatus in the claim 1 to 7, it is characterized in that: this first and second thermal treatment unit is a directional heater.
9, Copper Foil modifying apparatus according to claim 8 is characterized in that: this first and second thermal treatment unit is the infrared rays directional heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920156266XU CN201420093Y (en) | 2009-06-18 | 2009-06-18 | Copper foil modification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920156266XU CN201420093Y (en) | 2009-06-18 | 2009-06-18 | Copper foil modification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201420093Y true CN201420093Y (en) | 2010-03-10 |
Family
ID=41806746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920156266XU Expired - Lifetime CN201420093Y (en) | 2009-06-18 | 2009-06-18 | Copper foil modification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201420093Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733371A (en) * | 2020-06-10 | 2020-10-02 | 九江德福科技股份有限公司 | Annealing method for rapidly reducing internal stress of lithium battery copper foil |
| TWI767910B (en) * | 2016-06-14 | 2022-06-21 | 日商古河電氣工業股份有限公司 | Electrolytic copper foil, negative electrode for lithium ion secondary battery, lithium ion secondary battery, and printed wiring board |
-
2009
- 2009-06-18 CN CN200920156266XU patent/CN201420093Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI767910B (en) * | 2016-06-14 | 2022-06-21 | 日商古河電氣工業股份有限公司 | Electrolytic copper foil, negative electrode for lithium ion secondary battery, lithium ion secondary battery, and printed wiring board |
| CN111733371A (en) * | 2020-06-10 | 2020-10-02 | 九江德福科技股份有限公司 | Annealing method for rapidly reducing internal stress of lithium battery copper foil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100310 |