CN208422696U - A kind of contracting body paster electrolytic capacitor of super-low impedance - Google Patents
A kind of contracting body paster electrolytic capacitor of super-low impedance Download PDFInfo
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- CN208422696U CN208422696U CN201821019142.2U CN201821019142U CN208422696U CN 208422696 U CN208422696 U CN 208422696U CN 201821019142 U CN201821019142 U CN 201821019142U CN 208422696 U CN208422696 U CN 208422696U
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Abstract
The utility model relates to a kind of contracting body paster electrolytic capacitors of super-low impedance.The contracting body paster electrolytic capacitor includes shell, sub-prime, seal, casing is outside sub-prime, seal encapsulates sub-prime inside the shell, sub-prime includes first lead aluminium tongue, the second lead aluminium tongue, first anode foil, the first Cathode Foil, second plate foil, the second Cathode Foil, electrolytic paper, first anode foil, second plate foil, the first Cathode Foil, the second Cathode Foil are of same size, electrolytic paper width is greater than first anode foil, first lead aluminium tongue is riveted on first anode foil, and the second lead aluminium tongue is riveted in the first Cathode Foil；The contracting body paster electrolytic capacitor of the utility model maintains the electrical property of existing product while reducing volume, is expected to the miniaturization for electronic equipment, high capacity, Low ESR and reduction capacitors count and contributes.
Description
Technical field
The utility model relates to be widely used in the communication equipments such as civilian television set, computer, mobile phone and engine control
Piece electricity is shown consideration in electrolytic capacitor in the high-end car-mounted devices such as system, air bag lamp, the contracting of specifically a kind of super-low impedance
Electrolysis condenser.
Background technique
Capacitor mainly plays the effects of power filter, signal coupling, clutter bypass and energy storage in circuit, is that electric appliance produces
Indispensable electronic component in product.Aluminium electrolutic capacitor is with the hot spots such as its function admirable, cheap, widely used, close
It obtains very big development within 30 years, accounts for 40% or more of entire capacitor yield.The type of aluminium electrolutic capacitor has lead type, spiral shell
Hydrant, capillary welding type and patch type, are widely used in the communication equipments such as civilian television set, computer, mobile phone and engine control
In the high-end car-mounted devices such as system processed, air bag lamp.Currently, the requirement of electronic equipment is constantly stringent, the high density of equipment
Attachmentization degree is also continuously improved, and conventional wire formula capacitor is increasingly difficult to because cannot achieve automation erecting and welding to meet
The growth requirement of electronic equipment；Capacitor is other than high density attachmentization, also just towards miniaturization, high-performance, large capacity, low
Cost direction is developed, and therefore, the miniaturization of sheet type aluminum electrolytic capacitor, high capacity chemical combination Low ESR are melted into the heat for research
Point.
In addition, it is smaller to consider that package dimension requires when pcb board designs for consumer electronics and partial automobile electronics, it is desirable that
Capacitor allows while reducing volume keeps unit for electrical property parameters to maintain initial value, and full size is no longer satisfied design needs.
Utility model content
The purpose of this utility model is to provide contracting body paster electrolytic capacitor of a kind of super-low impedance and preparation method thereof,
To solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of contracting body paster electrolytic capacitor of super-low impedance, including shell, sub-prime, seal, casing is outside sub-prime
Face, seal encapsulate sub-prime inside the shell, and sub-prime includes first lead aluminium tongue, the second lead aluminium tongue, first anode foil, first
Cathode Foil, second plate foil, the second Cathode Foil, electrolytic paper, first anode foil, second plate foil, the first Cathode Foil, the second cathode
Foil is of same size, and electrolytic paper width is greater than first anode foil, and first lead aluminium tongue is riveted on first anode foil, the second lead aluminium
Tongue is riveted in the first Cathode Foil, first anode foil, the aluminium foil that second plate foil is 50-70 μm of aluminium core thickness；First Cathode Foil,
The specific volume of second Cathode Foil >=600 μ F/cm2, the first Cathode Foil, the aluminium foil that the second Cathode Foil is 30-40 μm of thickness.Electrolytic paper is adopted
The electrolytic paper made of abaca mixed copy cellulose.
A kind of preparation method of the contracting body paster electrolytic capacitor of super-low impedance, it is characterised in that: use aluminium core thickness 50-
70 μm of aluminium foil uses specific volume >=600 μ F/cm as anode foils2, 30-40 μm of thickness of aluminium foil uses electrolysis as Cathode Foil
Asbestos paper includes the following steps: as electrolytic paper, preparation process
(a) corrode: electrochemistry corruption being implemented to anode foils and Cathode Foil using direct current or alternating current in aqueous chloride solution
Erosion；
(b) it is melted into: anode foils being immersed in the aqueous solution of ammonium borate, DC voltage is applied to it, until in anode foils
Surface forms alumite；
(c) it cuts: anode foils, Cathode Foil being respectively cut as the electrode foil of 4.0mm width with cutting machine；
(d) hole pre-punched hole: is pierced by anode foils with thorn riveting needle；
(e) rivet: the clinching method of anode foils is to overlay the aluminium tongue position of lead aluminium tongue above anode foils, uses machine
Aluminium tonguing row is punched, the aluminium after punching at the punching of aluminium tongue extends across the hole of anode foils, then patted with hard alloy
Complete riveting；The clinching method of Cathode Foil is to overlay the aluminium tongue position of lead aluminium tongue above Cathode Foil, right simultaneously with machine
Aluminium tongue and Cathode Foil are punched, and aluminium after punching at the punching of aluminium tongue extends across the hole of Cathode Foil, then with hard alloy into
Row, which is patted, completes riveting；
(f) wind: riveting have lead aluminium tongue anode foils, riveting have the Cathode Foil, anode foils, Cathode Foil of lead aluminium tongue from
On stack in order down, between electrode foil be inserted into width be greater than electrode foil electrolytic paper, be curled into the sub-prime of cylinder type, then use
Sub-prime fixing piece fixes the sub-prime spooled, and the up- coiler of winding adjusts the dispensing speed of paper, parameter by modification parameter
Setting value is as follows: making the test: circle number 1, speed 1000；Slow down: circle number 2, speed 800；Gluing: circle number 2, speed 1500；It develops: circle
Number 2, speed 1500；Total volume: circle number is determining according to hacking size, speed 1000.
(g) impregnate: in the environment of negative pressure -0.09MP, by 3-10 minutes in the sub-prime electrolyte of winding, sub-prime is electrolysed
Liquid 22 ± 1mg/c of residual quantity ㎡；
(h) it assembles: impregnated fuse being packed into aluminum shell, is then sealed with rubber stopper；
(i) first at 25 DEG C of room temperature, specification load voltage value * (1.1-1.18) aging: is applied to the capacitor assembled
Aging voltage aging again is primary, then at 65-85 DEG C of high temperature, applies specification load voltage value * to the capacitor assembled
Second of the aging voltage aging of (1.1-1.18) again；
(j) it tests: checking the capacitance of capacitor, tg δ, leakage current with instrument；
(k) it fills seat: the finished product tested being cut off into extra lead on dress base, flattens, refills upper bed-plate, simultaneously
Dress base stamps the printed words of this product specification to product.
(l) it packs: measured capacitor will be surveyed and packed.
Compare with the prior art, the beneficial effects of the utility model are as follows: specification is the product of 25V220 μ F, product shell number
Size: diameter 8mm, height 10.5mm, unit for electrical property parameters is: 170 milliohms, 600 milliamperes of ripple@100KHZ, practical new using this
The product up-gradation of this specification can be shell size by type: diameter 6.3mm, height 7.7mm, unit for electrical property parameters is: 170 milliohms,
600 milliamperes of ripple@100KHZ maintain the electrical property of existing product while reducing volume, realize Low ESR.
Detailed description of the invention
Fig. 1 is a kind of sectional view of the contracting body paster electrolytic capacitor of super-low impedance of the utility model；
Fig. 2 is a kind of coiled structure schematic diagram of the contracting body paster electrolytic capacitor sub-prime of super-low impedance of the utility model.
Wherein Detailed description of the invention is as follows: 1- shell, 2- sub-prime, 3- seal, 4- first lead aluminium tongue, 5- the second lead aluminium
Tongue, 6- first anode foil, the first Cathode Foil of 7-, 8- second plate foil, the second Cathode Foil of 9-, 10- electrolytic paper.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one:
A kind of contracting body paster electrolytic capacitor of super-low impedance, including shell 1, sub-prime 2, seal 3,1 set of shell in element
Sub-prime 2 is encapsulated in shell 1 by 2 outside of son, seal 3, and sub-prime 2 includes first lead aluminium tongue 4, the second lead aluminium tongue 5, first
Anode foils 6, the first Cathode Foil 7, second plate foil 8, the second Cathode Foil 9, electrolytic paper 10, first anode foil 6, second plate foil 8,
First Cathode Foil 7, the second Cathode Foil 9 are of same size, and 10 width of electrolytic paper is greater than first anode foil 6, and first lead aluminium tongue 4 rivets
On first anode foil 6, the second lead aluminium tongue 5 is riveted in the first Cathode Foil 7, and first anode foil 6, second plate foil 8 are aluminium
The aluminium foil that 50 μm of core thickness；The 600 μ F/cm of specific volume of first Cathode Foil 7, the second Cathode Foil 92, the first Cathode Foil 7, the second cathode
The aluminium foil that foil 9 is 30 μm of thickness.Electrolytic paper 10 is using electrolytic paper made of abaca mixed copy cellulose.
A kind of preparation method of the contracting body paster electrolytic capacitor of super-low impedance, it is characterised in that: use 50 μ of aluminium core thickness
The aluminium foil of m uses 600 μ F/cm of specific volume as anode foils2, the aluminium foil that 30 μm of thickness uses electrolysis asbestos paper to make as Cathode Foil
For electrolytic paper, preparation process includes the following steps:
(a) corrode: electrochemistry corruption being implemented to anode foils and Cathode Foil using direct current or alternating current in aqueous chloride solution
Erosion；
(b) it is melted into: anode foils being immersed in the aqueous solution of ammonium borate, DC voltage is applied to it, until in anode foils
Surface forms alumite；
(c) it cuts: anode foils, Cathode Foil being respectively cut as the electrode foil of 4.0mm width with cutting machine；
(d) hole pre-punched hole: is pierced by anode foils with thorn riveting needle；
(e) rivet: the clinching method of anode foils is to overlay the aluminium tongue position of lead aluminium tongue above anode foils, uses machine
Aluminium tonguing row is punched, the aluminium after punching at the punching of aluminium tongue extends across the hole of anode foils, then patted with hard alloy
Complete riveting；The clinching method of Cathode Foil is to overlay the aluminium tongue position of lead aluminium tongue above Cathode Foil, right simultaneously with machine
Aluminium tongue and Cathode Foil are punched, and aluminium after punching at the punching of aluminium tongue extends across the hole of Cathode Foil, then with hard alloy into
Row, which is patted, completes riveting；
(f) wind: riveting have lead aluminium tongue anode foils, riveting have the Cathode Foil, anode foils, Cathode Foil of lead aluminium tongue from
On stack in order down, between electrode foil be inserted into width be greater than electrode foil electrolytic paper, be curled into the sub-prime of cylinder type, then use
Sub-prime fixing piece fixes the sub-prime spooled, and the up- coiler of winding adjusts the dispensing speed of paper, parameter by modification parameter
Setting value is as follows: making the test: circle number 1, speed 1000；Slow down: circle number 2, speed 800；Gluing: circle number 2, speed 1500；It develops: circle
Number 2, speed 1500；Total volume: circle number is determining according to hacking size, speed 1000.
(g) it impregnates: in the environment of negative pressure -0.09MP, by 3 minutes in the sub-prime electrolyte of winding, sub-prime electrolyte
22 ± 1mg/c of residual quantity ㎡；
(h) it assembles: impregnated fuse being packed into aluminum shell, is then sealed with rubber stopper；
(i) first at 25 DEG C of room temperature, specification load voltage value * (1.1-1.18) aging: is applied to the capacitor assembled
Aging voltage aging again is primary, then at 65 DEG C of high temperature, applies specification load voltage value * (1.1- to the capacitor assembled
1.18) second of aging voltage aging again；
(j) it tests: checking the capacitance of capacitor, tg δ, leakage current with instrument；
(k) it fills seat: the finished product tested being cut off into extra lead on dress base, flattens, refills upper bed-plate, simultaneously
Dress base stamps the printed words of this product specification to product.
(l) it packs: measured capacitor will be surveyed and packed.
Embodiment two:
A kind of contracting body paster electrolytic capacitor of super-low impedance, including shell 1, sub-prime 2, seal 3,1 set of shell in element
Sub-prime 2 is encapsulated in shell 1 by 2 outside of son, seal 3, and sub-prime 2 includes first lead aluminium tongue 4, the second lead aluminium tongue 5, first
Anode foils 6, the first Cathode Foil 7, second plate foil 8, the second Cathode Foil 9, electrolytic paper 10, first anode foil 6, second plate foil 8,
First Cathode Foil 7, the second Cathode Foil 9 are of same size, and 10 width of electrolytic paper is greater than first anode foil 6, and first lead aluminium tongue 4 rivets
On first anode foil 6, the second lead aluminium tongue 5 is riveted in the first Cathode Foil 7, and first anode foil 6, second plate foil 8 are aluminium
The aluminium foil that 60 μm of core thickness；The 700 μ F/cm of specific volume of first Cathode Foil 7, the second Cathode Foil 92, the first Cathode Foil 7, the second cathode
The aluminium foil that foil 9 is 35 μm of thickness.Electrolytic paper 10 is using electrolytic paper made of abaca mixed copy cellulose.
A kind of preparation method of the contracting body paster electrolytic capacitor of super-low impedance, it is characterised in that: use 60 μ of aluminium core thickness
The aluminium foil of m uses 700 μ F/cm of specific volume as anode foils2, the aluminium foil that 35 μm of thickness uses electrolysis asbestos paper to make as Cathode Foil
For electrolytic paper, preparation process includes the following steps:
(a) corrode: electrochemistry corruption being implemented to anode foils and Cathode Foil using direct current or alternating current in aqueous chloride solution
Erosion；
(b) it is melted into: anode foils being immersed in the aqueous solution of ammonium borate, DC voltage is applied to it, until in anode foils
Surface forms alumite；
(c) it cuts: anode foils, Cathode Foil being respectively cut as the electrode foil of 4.0mm width with cutting machine；
(d) hole pre-punched hole: is pierced by anode foils with thorn riveting needle；
(e) rivet: the clinching method of anode foils is to overlay the aluminium tongue position of lead aluminium tongue above anode foils, uses machine
Aluminium tonguing row is punched, the aluminium after punching at the punching of aluminium tongue extends across the hole of anode foils, then patted with hard alloy
Complete riveting；The clinching method of Cathode Foil is to overlay the aluminium tongue position of lead aluminium tongue above Cathode Foil, right simultaneously with machine
Aluminium tongue and Cathode Foil are punched, and aluminium after punching at the punching of aluminium tongue extends across the hole of Cathode Foil, then with hard alloy into
Row, which is patted, completes riveting；
(f) wind: riveting have lead aluminium tongue anode foils, riveting have the Cathode Foil, anode foils, Cathode Foil of lead aluminium tongue from
On stack in order down, between electrode foil be inserted into width be greater than electrode foil electrolytic paper, be curled into the sub-prime of cylinder type, then use
Sub-prime fixing piece fixes the sub-prime spooled, and the up- coiler of winding adjusts the dispensing speed of paper, parameter by modification parameter
Setting value is as follows: making the test: circle number 1, speed 1000；Slow down: circle number 2, speed 800；Gluing: circle number 2, speed 1500；It develops: circle
Number 2, speed 1500；Total volume: circle number is determining according to hacking size, speed 1000.
(g) it impregnates: in the environment of negative pressure -0.09MP, by 5 minutes in the sub-prime electrolyte of winding, sub-prime electrolyte
22 ± 1mg/c of residual quantity ㎡；
(h) it assembles: impregnated fuse being packed into aluminum shell, is then sealed with rubber stopper；
(i) first at 25 DEG C of room temperature, specification load voltage value * (1.1-1.18) aging: is applied to the capacitor assembled
Aging voltage aging again is primary, then at 70 DEG C of high temperature, applies specification load voltage value * (1.1- to the capacitor assembled
1.18) second of aging voltage aging again；
(j) it tests: checking the capacitance of capacitor, tg δ, leakage current with instrument；
(k) it fills seat: the finished product tested being cut off into extra lead on dress base, flattens, refills upper bed-plate, simultaneously
Dress base stamps the printed words of this product specification to product.
(l) it packs: measured capacitor will be surveyed and packed.
Embodiment three:
A kind of contracting body paster electrolytic capacitor of super-low impedance, including shell 1, sub-prime 2, seal 3,1 set of shell in element
Sub-prime 2 is encapsulated in shell 1 by 2 outside of son, seal 3, and sub-prime 2 includes first lead aluminium tongue 4, the second lead aluminium tongue 5, first
Anode foils 6, the first Cathode Foil 7, second plate foil 8, the second Cathode Foil 9, electrolytic paper 10, first anode foil 6, second plate foil 8,
First Cathode Foil 7, the second Cathode Foil 9 are of same size, and 10 width of electrolytic paper is greater than first anode foil 6, and first lead aluminium tongue 4 rivets
On first anode foil 6, the second lead aluminium tongue 5 is riveted in the first Cathode Foil 7, and first anode foil 6, second plate foil 8 are aluminium
The aluminium foil that 70 μm of core thickness；The 800 μ F/cm of specific volume of first Cathode Foil 7, the second Cathode Foil 92, the first Cathode Foil 7, the second cathode
The aluminium foil that foil 9 is 40 μm of thickness.Electrolytic paper 10 is using electrolytic paper made of abaca mixed copy cellulose.
A kind of preparation method of the contracting body paster electrolytic capacitor of super-low impedance, it is characterised in that: use 70 μ of aluminium core thickness
The aluminium foil of m uses 800 μ F/cm of specific volume as anode foils2, the aluminium foil that 40 μm of thickness uses electrolysis asbestos paper to make as Cathode Foil
For electrolytic paper, preparation process includes the following steps:
(a) corrode: electrochemistry corruption being implemented to anode foils and Cathode Foil using direct current or alternating current in aqueous chloride solution
Erosion；
(b) it is melted into: anode foils being immersed in the aqueous solution of ammonium borate, DC voltage is applied to it, until in anode foils
Surface forms alumite；
(c) it cuts: anode foils, Cathode Foil being respectively cut as the electrode foil of 4.0mm width with cutting machine；
(d) hole pre-punched hole: is pierced by anode foils with thorn riveting needle；
(e) rivet: the clinching method of anode foils is to overlay the aluminium tongue position of lead aluminium tongue above anode foils, uses machine
Aluminium tonguing row is punched, the aluminium after punching at the punching of aluminium tongue extends across the hole of anode foils, then patted with hard alloy
Complete riveting；The clinching method of Cathode Foil is to overlay the aluminium tongue position of lead aluminium tongue above Cathode Foil, right simultaneously with machine
Aluminium tongue and Cathode Foil are punched, and aluminium after punching at the punching of aluminium tongue extends across the hole of Cathode Foil, then with hard alloy into
Row, which is patted, completes riveting；
(f) wind: riveting have lead aluminium tongue anode foils, riveting have the Cathode Foil, anode foils, Cathode Foil of lead aluminium tongue from
On stack in order down, between electrode foil be inserted into width be greater than electrode foil electrolytic paper, be curled into the sub-prime of cylinder type, then use
Sub-prime fixing piece fixes the sub-prime spooled, and the up- coiler of winding adjusts the dispensing speed of paper, parameter by modification parameter
Setting value is as follows: making the test: circle number 1, speed 1000；Slow down: circle number 2, speed 800；Gluing: circle number 2, speed 1500；It develops: circle
Number 2, speed 1500；Total volume: circle number is determining according to hacking size, speed 1000.
(g) it impregnates: in the environment of negative pressure -0.09MP, by 10 minutes in the sub-prime electrolyte of winding, sub-prime electrolyte
22 ± 1mg/c of residual quantity ㎡；
(h) it assembles: impregnated fuse being packed into aluminum shell, is then sealed with rubber stopper；
(i) first at 25 DEG C of room temperature, specification load voltage value * (1.1-1.18) aging: is applied to the capacitor assembled
Aging voltage aging again is primary, then at 85 DEG C of high temperature, applies specification load voltage value * (1.1- to the capacitor assembled
1.18) second of aging voltage aging again；
(j) it tests: checking the capacitance of capacitor, tg δ, leakage current with instrument；
(k) it fills seat: the finished product tested being cut off into extra lead on dress base, flattens, refills upper bed-plate, simultaneously
Dress base stamps the printed words of this product specification to product.
(l) it packs: measured capacitor will be surveyed and packed.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit of the present invention or essential characteristic, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (3)
1. a kind of contracting body paster electrolytic capacitor of super-low impedance, it is characterised in that: the contracting body paster electrolytic capacitor includes
Shell (1), sub-prime (2), seal (3), the shell (1) cover outside the sub-prime (2), and the seal (3) is by sub-prime
(2) it is encapsulated in shell (1), the sub-prime (2) includes first lead aluminium tongue (4), the second lead aluminium tongue (5), first anode foil
(6), the first Cathode Foil (7), second plate foil (8), the second Cathode Foil (9), electrolytic paper (10), the first anode foil (6),
Two anode foils (8), the first Cathode Foil (7), the second Cathode Foil (9) are of same size, and electrolytic paper (10) width is greater than the first sun
Pole foil (6), the first lead aluminium tongue (4) are riveted on first anode foil (6), and the second lead aluminium tongue (5) is riveted on
In one Cathode Foil (7).
2. a kind of contracting body paster electrolytic capacitor of super-low impedance according to claim 1, it is characterised in that: described first
Anode foils (6), the aluminium foil that second plate foil (8) is 50-70 μm of aluminium core thickness；First Cathode Foil (7), the second Cathode Foil
(9) specific volume >=600 μ F/cm2, the first Cathode Foil (7), the aluminium foil that the second Cathode Foil (9) is 30-40 μm of thickness.
3. a kind of contracting body paster electrolytic capacitor of super-low impedance according to claim 2, it is characterised in that: the electrolysis
Paper (10) is using electrolytic paper made of abaca mixed copy cellulose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019142.2U CN208422696U (en) | 2018-06-28 | 2018-06-28 | A kind of contracting body paster electrolytic capacitor of super-low impedance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019142.2U CN208422696U (en) | 2018-06-28 | 2018-06-28 | A kind of contracting body paster electrolytic capacitor of super-low impedance |
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| CN208422696U true CN208422696U (en) | 2019-01-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899208A (en) * | 2018-06-28 | 2018-11-27 | 常州华威电子有限公司 | A kind of contracting body paster electrolytic capacitor of super-low impedance and preparation method thereof |
-
2018
- 2018-06-28 CN CN201821019142.2U patent/CN208422696U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899208A (en) * | 2018-06-28 | 2018-11-27 | 常州华威电子有限公司 | A kind of contracting body paster electrolytic capacitor of super-low impedance and preparation method thereof |
| CN108899208B (en) * | 2018-06-28 | 2023-10-31 | 常州华威电子有限公司 | Ultra-low-impedance compact patch electrolytic capacitor and preparation method thereof |
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