CN108777233A - Chip polymer stack aluminum capacitor - Google Patents
Chip polymer stack aluminum capacitor Download PDFInfo
- Publication number
- CN108777233A CN108777233A CN201810519504.2A CN201810519504A CN108777233A CN 108777233 A CN108777233 A CN 108777233A CN 201810519504 A CN201810519504 A CN 201810519504A CN 108777233 A CN108777233 A CN 108777233A
- Authority
- CN
- China
- Prior art keywords
- aluminium flake
- shell
- positive
- cathode
- out terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000003990 capacitor Substances 0.000 title claims abstract description 51
- 229920000642 polymer Polymers 0.000 title claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 24
- 238000003466 welding Methods 0.000 claims abstract description 25
- 239000012790 adhesive layer Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 27
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 15
- 239000004332 silver Substances 0.000 claims description 15
- 229910052709 silver Inorganic materials 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 229920002521 macromolecule Polymers 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 description 13
- 238000006116 polymerization reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0029—Processes of manufacture
- H01G9/0032—Processes of manufacture formation of the dielectric layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/008—Terminals
- H01G9/012—Terminals specially adapted for solid capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
- H01G9/0425—Electrodes or formation of dielectric layers thereon characterised by the material specially adapted for cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/08—Housing; Encapsulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Primary Cells (AREA)
Abstract
Chip polymer stack aluminum capacitor of the present invention includes aluminium flake capacitor cell, adhesive layer, positive welding gasket, positive leading-out terminal, cathode leading-out terminal, shell, wherein, aluminium flake capacitor cell is multigroup, stacked arrangement is inside the shell, aluminium flake capacitor cell one end is connected with positive welding gasket, positive welding gasket is fixed inside the shell, positive leading-out terminal is connect with positive welding gasket, positive leads ends are formed across shell, for cathode leading-out terminal by being connect with the aluminium flake capacitor cell other end, cathode leading-out terminal passes through shell to form negative pin end.Products obtained therefrom of the present invention has the performance of safety and reliability, does not burn, while having smaller equivalent series resistance, more excellent Acclimation temperature performance is more suitable in the circuits such as various high-frequency circuits, CPU.
Description
Technical field
The present invention relates to capacitor technology fields, refer in particular to chip polymer stack aluminum capacitor.
Background technology
An important component of the capacitor as electronic component, in recent years with science and technology rapidly development,
Electronic product is towards slim, small-sized, surface mount manner rapid development, for capacitor, ultra-low equivalent series resistance, height
Frequency characteristic, high temperature reliability etc. are its important development directions.Chip polymer stack aluminum capacitor is international in recent years, domestic
One important R&D direction of Power capacitor industry, the product is polarized, patch type compared with traditional liquid aluminium electrolutic capacitor
Capacitor.Traditional liquid aluminium electrolutic capacitor manufacture is relatively easy, and equipment and match materials are easy, therefore, the production unit cost
Relative moderate.But change in resistance is big there is varying with temperature for the liquid electrolyte of the product, there is the security risk of leakage
The defects of.And chip polymer stack aluminum capacitor, it is made due to the use of organic polymer cathode material, thus can be to avoid these
Defect.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of reliable pieces high, Acclimation temperature performance is good
Formula polymer stack aluminum capacitor.
To achieve the above object, technical matters provided by the present invention is：
1）, using the aluminium flake for the reaming for cutting completion in advance, be accurately located at stainless steel steel bar using the method for electric resistance welding
On, it is equal to be welded on the distance between adjacent sheet on stainless steel steel bar；The Pureness control of aluminium in the aluminium flake material of the reaming
99.99% or more；
2）, aluminium flake is immersed in certain phosphoric acid weak solution, conductivity is controlled in 2200 ~ 2800 μ s/ in production process
Cm repairs the technique of alundum (Al2O3) dielectric layer by applying DC current and voltage；Initial electric energy supply maintains one
Under a constant electric current, until reaching required voltage of energizing；Then the supply that electric energy is kept under constant voltage, is ensured with this
The dielectric thickness being pre-designed is formed in the aluminum flake surface of reaming, then energized current is decayed；Time when energizing is 180 points
Clock, between temperature is 80 ~ 85 degrees Celsius；
3) chemical polymerization, electrochemical polymerization or physics coating method is used to prepare conducting high polymers object as cathode；Chemistry is poly-
Conjunction is most important one preparation method, its main technique mode is by recycling oxide impregnation agent and monomer, and certain
In the environment of grow into fine and close, uniform polymer, ensure the stability of cathode layer with this.In practical procedures, need
The rate of specific gravity 0.889 ~ 0.895 of monomer solution is strictly controlled using densimeter.
4）, in macromolecule cathode polymerization layer surface carry out graphite linings covering, form anaerobic electronic contact, it is conductive to increase cathode
Property and reduce product equivalent series resistance；The silver slurry layer of a floor height electric conductivity is covered in graphite linings, increases the electric conductivity of product
And reliability；In the process, final aluminium flake thickness needs to control in 0.150 ~ 0.180mm；
5）, according to the Capacity design of product require, in conjunction with the practical bulking value of the aluminium flake material of reaming, piecewise by the aluminium flake of reaming
It stacks, while reaching every electrical performance indexes；In stacking technique, anode is handled by electric resistance welding and is connected, cathode
By the bonding silver paste with high conductivity and applying certain temperature and pressure makes the aluminium flake of each reaming complete bonding；
6）, with epoxide resin material product plastic packaging is got up to have the function that protective condenser.
Chip polymer stack aluminum capacitor includes aluminium flake capacitor cell, adhesive layer, positive welding gasket, anode extraction
Terminal, cathode leading-out terminal, shell, wherein aluminium flake capacitor cell be it is multigroup, stacked arrangement inside the shell, neighbouring aluminium capacitance
It being bonded by adhesive layer between unit, adhesive layer is bonded using silver paste, and aluminium flake capacitor cell one end is connected with positive welding gasket,
Positive welding gasket is fixed inside the shell, and positive leading-out terminal one end is connect with positive welding gasket, and the other end passes through outer hull shape
At positive leads ends, cathode leading-out terminal is connect with the aluminium flake capacitor cell other end, and the cathode leading-out terminal other end passes through shell
Form negative pin end.
The aluminium flake capacitor cell includes aluminium flake, macromolecule cathode polymer layer, graphite linings, silver slurry layer, wherein aluminium
Piece one end is connect with positive welding gasket, and the surface of the aluminium flake other end is coated with macromolecule cathode polymer layer, macromolecule cathode
Polymer layer surface is equipped with graphite linings, and graphite layer surface is equipped with silver slurry layer.
The shell seals to be formed using epoxy resin.
The aluminum capacitor of this programme is highly suitable for the place of small size large capacity high reliability.If passing through porous aluminium flake
Chip polymer stack aluminum capacitor is made in lamination, can obtain extremely low equivalent series resistance（ESR）, this programme products obtained therefrom tool
The performance for having safety and reliability, does not burn, while having smaller equivalent series resistance, more excellent Acclimation temperature performance, more
Suitable for the circuits such as various high-frequency circuits, CPU.The actual capacity that product needs the number of plies stacked to depend in products application needs
It asks, and depending on combination final design；First the positive gasket material of product is connected to using electric resistance welding on aluminium flake, and successively
It is soldered to the pre-designed number of plies；Then, by every layer of aluminium flake capacitor cell of coated silver paste in advance, apply certain temperature and
Pressure is completed to be bonded, finally, be protected capacitor plastic packaging using epoxy potting material in conjunction with cathode leading-out terminal,
Form a complete capacitor.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is aluminium flake capacitor cell structural schematic diagram.
Specific implementation mode
With reference to all attached drawings, the invention will be further described, and presently preferred embodiments of the present invention is：Referring to 1 He of attached drawing
Attached drawing 2, the technical matters described in the present embodiment are：
1）, using the aluminium flake for the reaming for cutting completion in advance, be accurately located at stainless steel steel bar using the method for electric resistance welding
On, it is equal to be welded on the distance between adjacent sheet on stainless steel steel bar；The Pureness control of aluminium in the aluminium flake material of the reaming
99.99% or more；
2）, aluminium flake is immersed in certain phosphoric acid weak solution, conductivity is controlled in 2200 ~ 2800 μ s/ in production process
Cm repairs the technique of alundum (Al2O3) dielectric layer by applying DC current and voltage；Initial electric energy supply maintains one
Under a constant electric current, until reaching required voltage of energizing；Then the supply that electric energy is kept under constant voltage, is ensured with this
The dielectric thickness being pre-designed is formed in the aluminum flake surface of reaming, then energized current is decayed；Time when energizing is 180 points
Clock, between temperature is 80 ~ 85 degrees Celsius；
3) chemical polymerization, electrochemical polymerization or physics coating method is used to prepare conducting high polymers object as cathode；Chemistry is poly-
Conjunction is most important one preparation method, its main technique mode is by recycling oxide impregnation agent and monomer, and certain
In the environment of grow into fine and close, uniform polymer, ensure the stability of cathode layer with this.In practical procedures, need
The rate of specific gravity 0.889 ~ 0.895 of monomer solution is strictly controlled using densimeter.
4）, in macromolecule cathode polymerization layer surface carry out graphite linings covering, form anaerobic electronic contact, it is conductive to increase cathode
Property and reduce product equivalent series resistance；The silver slurry layer of a floor height electric conductivity is covered in graphite linings, increases the electric conductivity of product
And reliability；In the process, final aluminium flake thickness needs to control in 0.150 ~ 0.180mm；
5）, according to the Capacity design of product require, in conjunction with the practical bulking value of the aluminium flake material of reaming, piecewise by the aluminium flake of reaming
It stacks, while reaching every electrical performance indexes；In stacking technique, anode is handled by electric resistance welding and is connected, cathode
By the bonding silver paste with high conductivity and applying certain temperature and pressure makes the aluminium flake of each reaming complete bonding；
6）, with epoxide resin material product plastic packaging is got up to have the function that protective condenser.
Include aluminium flake capacitor cell 1, adhesive layer 2, just by the chip polymer stack aluminum capacitor of above-mentioned technique productions
Pole welding gasket 3, positive leading-out terminal 4, cathode leading-out terminal 5, shell 6, wherein aluminium flake capacitor cell 1 is multigroup, stacking row
It is listed in shell 6, shell 6 seals to be formed using epoxy resin；It is bonded, is glued by adhesive layer 2 between neighbouring aluminium capacitor cell 1
Tying layer 2 uses silver paste material, 1 one end of aluminium flake capacitor cell to be connected with positive welding gasket 3, and positive welding gasket 3 is fixed on outer
In shell 6, positive leading-out terminal 4 is connect with positive welding gasket 3, and positive leads ends, cathode leading-out terminal 5 are formed across shell 6
It is connect with 1 other end of aluminium flake capacitor cell, cathode leading-out terminal 5 passes through shell 6 to form negative pin end.Aluminium flake capacitor cell 1
Include aluminium flake 7, macromolecule cathode polymer layer 8, graphite linings 9, silver slurry layer 10, wherein 7 one end of aluminium flake and positive welding gasket
3 connections, the surface of 7 other end of aluminium flake are coated with macromolecule cathode polymer layer 8, and 8 surface of macromolecule cathode polymer layer is equipped with
Graphite linings 9,9 surface of graphite linings are equipped with silver slurry layer 10.The aluminum capacitor of this programme is highly suitable for small size large capacity high reliability
Place.If chip polymer stack aluminum capacitor is made by the lamination of porous aluminium flake, extremely low equivalent series can be obtained
Resistance（ESR）, this programme products obtained therefrom has the performance of safety and reliability, does not burn, while having smaller equivalent series winding electricity
Resistance, more excellent Acclimation temperature performance are more suitable in the circuits such as various high-frequency circuits, CPU.Product needs the number of plies stacked to take
Actual capacity demand certainly in products application, and depending on combination final design；The positive gasket material of product is first used into electricity
Welding resistance is welded to connect on aluminium flake, and is successively soldered to the pre-designed number of plies；Then, by every layer of coated silver paste in advance
Aluminium flake capacitor cell applies certain temperature and pressure, completes to be bonded in conjunction with cathode leading-out terminal, finally, close using epoxy resin
Closure material protects capacitor plastic packaging, forms a complete capacitor.
The upper embodiment is only the preferred embodiments of the invention, and but not intended to limit the scope of the present invention, therefore
Change made by all shapes according to the present invention, principle, should all cover within the scope of the present invention.
Claims (3)
1. chip polymer stack aluminum capacitor, it is characterised in that：It includes aluminium flake capacitor cell（1）, adhesive layer（2）, just
Pole welding gasket（3）, positive leading-out terminal（4）, cathode leading-out terminal（5）, shell（6）, wherein aluminium flake capacitor cell（1）For
Multigroup, stacked arrangement is in shell（6）It is interior, neighbouring aluminium capacitor cell（1）Between pass through adhesive layer（2）Bonding, adhesive layer（2）It adopts
With silver paste material, aluminium flake capacitor cell（1）One end is connected with positive welding gasket（3）, positive welding gasket（3）It is fixed on shell
（6）It is interior, positive leading-out terminal（4）With positive welding gasket（3）Connection passes through shell（6）Positive leads ends are formed, cathode is drawn
Terminal（5）With aluminium flake capacitor cell（1）The other end connects, cathode leading-out terminal（5）Across shell（6）Form negative pin end.
2. capacitor according to claim 1, it is characterised in that：Aluminium flake capacitor cell（1）It include aluminium flake（7）, high score
Sub- cathode polymer layer（8）, graphite linings（9）, silver slurry layer（10）, wherein aluminium flake（7）One end and positive welding gasket（3）Connection,
Aluminium flake（7）The surface of the other end is coated with macromolecule cathode polymer layer（8）, macromolecule cathode polymer layer（8）Surface is equipped with
Graphite linings（9）, graphite linings（9）Surface is equipped with silver slurry layer（10）.
3. capacitor according to claim 1, it is characterised in that：Shell（6）It seals to be formed using epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810519504.2A CN108777233A (en) | 2018-05-28 | 2018-05-28 | Chip polymer stack aluminum capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810519504.2A CN108777233A (en) | 2018-05-28 | 2018-05-28 | Chip polymer stack aluminum capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108777233A true CN108777233A (en) | 2018-11-09 |
Family
ID=64027693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810519504.2A Pending CN108777233A (en) | 2018-05-28 | 2018-05-28 | Chip polymer stack aluminum capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777233A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820546A (en) * | 2020-12-31 | 2021-05-18 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | Capacitor, multilayer capacitor, and method for manufacturing multilayer capacitor |
| CN114220662A (en) * | 2021-12-13 | 2022-03-22 | 上海永铭电子股份有限公司 | Laminated solid aluminum electrolytic capacitor with low ESR (equivalent series resistance), high voltage and large capacity and preparation method thereof |
| CN114709081A (en) * | 2022-04-12 | 2022-07-05 | 南通飞泰电子科技有限公司 | High-capacity low-voltage chip type laminated aluminum capacitor and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946075A (en) * | 2017-11-18 | 2018-04-20 | 湖南艾华集团股份有限公司 | Stacked capacitor |
| CN207409387U (en) * | 2017-11-27 | 2018-05-25 | 福建国光电子科技股份有限公司 | A kind of polymer chip-type laminated solid aluminum electrolytic capacitor of low ESR |
| CN208368360U (en) * | 2018-05-28 | 2019-01-11 | 株洲宏达电子股份有限公司 | Chip polymer stack aluminum capacitor |
-
2018
- 2018-05-28 CN CN201810519504.2A patent/CN108777233A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946075A (en) * | 2017-11-18 | 2018-04-20 | 湖南艾华集团股份有限公司 | Stacked capacitor |
| CN207409387U (en) * | 2017-11-27 | 2018-05-25 | 福建国光电子科技股份有限公司 | A kind of polymer chip-type laminated solid aluminum electrolytic capacitor of low ESR |
| CN208368360U (en) * | 2018-05-28 | 2019-01-11 | 株洲宏达电子股份有限公司 | Chip polymer stack aluminum capacitor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820546A (en) * | 2020-12-31 | 2021-05-18 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | Capacitor, multilayer capacitor, and method for manufacturing multilayer capacitor |
| CN114220662A (en) * | 2021-12-13 | 2022-03-22 | 上海永铭电子股份有限公司 | Laminated solid aluminum electrolytic capacitor with low ESR (equivalent series resistance), high voltage and large capacity and preparation method thereof |
| CN114709081A (en) * | 2022-04-12 | 2022-07-05 | 南通飞泰电子科技有限公司 | High-capacity low-voltage chip type laminated aluminum capacitor and preparation method thereof |
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Application publication date: 20181109 |
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