CN110428971A - The preparation method of metallic film capacitor - Google Patents
The preparation method of metallic film capacitor Download PDFInfo
- Publication number
- CN110428971A CN110428971A CN201910792503.XA CN201910792503A CN110428971A CN 110428971 A CN110428971 A CN 110428971A CN 201910792503 A CN201910792503 A CN 201910792503A CN 110428971 A CN110428971 A CN 110428971A
- Authority
- CN
- China
- Prior art keywords
- preparation
- film capacitor
- metallic film
- basement membrane
- membrane body
- 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.)
- Pending
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- 239000003990 capacitor Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 210000002469 basement membrane Anatomy 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 239000002390 adhesive tape Substances 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011888 foil Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000010408 film Substances 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 10
- 238000007788 roughening Methods 0.000 claims description 10
- 229920006267 polyester film Polymers 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- -1 Polypropylene Polymers 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 229910000611 Zinc aluminium Inorganic materials 0.000 claims description 4
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 claims description 4
- 239000005030 aluminium foil Substances 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 239000010733 inhibited oil Substances 0.000 claims description 4
- 239000011104 metalized film Substances 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 27
- 238000005516 engineering process Methods 0.000 description 4
- 229920006335 epoxy glue Polymers 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/224—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/252—Terminals the terminals being coated on the capacitive element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/32—Wound capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/38—Multiple capacitors, i.e. structural combinations of fixed capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of preparation methods of metallic film capacitor, include the following steps, (1) is based on plasma corona method and handles dielectric basement membrane body；(2) the end face sprayed metal layer of fuse is wound into the dielectric basement membrane body；(3) aluminum foil and adhesive tape is wrapped up on the surface of the fuse；(4) insulating paper is wrapped up on the outside of the core group composed in parallel by multiple fuses for being enclosed with aluminum foil and adhesive tape；(5) by step (4), treated that the core is assembled into rubber shell；(6) encapsulating into the rubber shell under vacuum conditions.Metallic film capacitor prepared by preparation method of the present invention can bear to apply 1 times of voltage rating in 85 DEG C of temperature and 85% humidity, meet test in 1000 hours, 1.5 times of overvoltage can be born, the service life is more than 100,000 hours.
Description
Technical field
The present invention relates to thin film capacitor technical fields, and in particular to a kind of preparation method of metallic film capacitor.
Background technique
With being gradually increased for people's living standard, automobile quietly comes into the family of ordinary people, uses as the mankind
The widest vehicles, automobile start to attract attention to the consumption of petroleum and tail gas to the pollution of environment.And it is new
The generation of energy automobile, new-energy automobile energy consumption, in terms of, compared with traditional combustion engine automobile have it is bigger
Advantage allows it is seen that a possibility that renewable resource replaces non-renewable resources.How China's new-energy automobile went in recent years
Remarkable progress has been made for industry standard, industry alliance, Enterprises Distribution, technical research etc..New-energy automobile showed in recent years
High growth situation is because of the angle from environmental protection and the energy, and new-energy automobile is the inexorable trend of future automobile development,
It is the necessity of future society and economic development.
Motor, battery and electric machines control technology are three big cores of new-energy automobile, and the core of electric machines control technology is exactly
The inverter technology for needing high efficiency motor to control, the inverter technology of high efficiency motor then need a powerful IBGT module
With the direct current support capacitor of Corresponding matching.
The encapsulating material that general Vehicular metal thin-film capacitor use environment uses adds PPS plastic housing, moisture-resistant for epoxy resin
Property require to be 40 DEG C 93%, be unable to satisfy 85 DEG C of 85% test request, common automobile-used DC support metallized polypropylene film
Capacitor, under the conditions of 85 DEG C 85% of high temperature and humidity, the effects of by aqueous vapor absorption, absorption and diffusion, aqueous vapor can enter internal layer
Film, aggravation corrosion coating, gilding layer are detached from film under electric field action after moisture absorption, and product E SR is increased considerably, capacity meeting
It drastically reduces, highly shortened the service life of capacitor.
Summary of the invention
The embodiment of the present invention provides a kind of preparation method of metallic film capacitor, the gold based on preparation method preparation
Categoryization thin film capacitor can bear to apply 1 times of voltage rating in 85 DEG C of temperature and 85% humidity, meet test in 1000 hours, can hold
It is more than 100,000 hours by 1.5 times of overvoltage, service life.
Meet double 85 high moisture-proof requirements,
In order to solve the above-mentioned technical problems, the present invention provides a kind of preparation methods of metallic film capacitor, including
Following steps,
(1) dielectric basement membrane body is handled based on plasma corona method；
(2) the end face sprayed metal layer of fuse is wound into the dielectric basement membrane body；
(3) aluminum foil and adhesive tape is wrapped up on the surface of the fuse；
(4) insulating paper is wrapped up on the outside of the core group composed in parallel by multiple fuses for being enclosed with aluminum foil and adhesive tape；
(5) by step (4), treated that the core is assembled into rubber shell；
(6) encapsulating into the rubber shell under vacuum conditions.
It further comprise in step (1), plasma corona method handles dielectric basement membrane body in a preferred embodiment of the present invention
Afterwards, further include
(1.1) in dielectric basement membrane body surface face evaporation metal film layer；
(1.2) inhibited oil is coated on the surface of metallized film layers.
It further comprise in step (2), the material that the sprayed metal layer uses is in a preferred embodiment of the present invention
Zinc-aluminium line.
In a preferred embodiment of the present invention, further comprises the vacuum environment of step (6) to be evacuated to -98Kpa, protect
Press 10min~15min.
In a preferred embodiment of the present invention, further comprise the dielectric basement membrane body be polypropylene dielectric basement membrane body.
It further comprise that the aluminum foil and adhesive tape is made of aluminium foil, PP film and adhesive in a preferred embodiment of the present invention.
It further comprise that treated before core is assembled into rubber shell for step (4) in a preferred embodiment of the present invention, the core
Group removes moisture processing 5.5~7.5 hours under 70~100 DEG C of temperature environment.
It further comprise that treated before core is assembled into rubber shell for step (4) in a preferred embodiment of the present invention, the glue
Shell removes moisture processing 5.5~7.5 hours under 70~100 DEG C of temperature environment.
It further comprise the rubber shell inner wall roughening treatment in a preferred embodiment of the present invention, so that its internal and glue
The surface of layer contact is roughening face.
In a preferred embodiment of the present invention, further comprise the insulating paper be composite-insulating paper comprising polyester film
Layer and the two layers polyester nonwoven fabric layer for being located at the polyester film two sides, the polyester nonwoven fabric layer pass through adhesive bonding
On polyester film surface.
Beneficial effects of the present invention:
The preparation method of metallic film capacitor of the present invention, dielectric basement membrane body, which is based on plasma sided corona treatment, can be improved
Adhesive force of the metal layer on the dielectric basement membrane body；Zinc-aluminium line sprayed metal layer is finer and close compared to zinc sprayed metal layer,
Extraneous moisture can effectively be resisted；Core surface wraps up aluminum foil and adhesive tape, can farthest protect fuse, resist moisture；Slightly
The rubber shell for changing processing effectively increases the contact area and intensity of epoxy adhesive layer and rubber shell；Encapsulating can be avoided interior under vacuum conditions
There is bubble in portion's epoxy glue, further increases the humidity-proof ability of capacitor.Preparation method is simple with step, is easy to manage, system
The standby high feature of effect.
Metallic film capacitor based on preparation method preparation can bear to apply 1 times in 85 DEG C of temperature and 85% humidity
Voltage rating, meet 1000 hours test, 1.5 times of overvoltage can be born, the service life is more than 100,000 hours.
The structure of multiple fuse parallel connections can reduce the equivalent series resistance and equivalent series inductance of entire electric capacity module, drop
The ripple voltage of low capacitor calorific value and generation in operating circuit.
Detailed description of the invention
Fig. 1 is the process flow chart of metallic film capacitor preparation method in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram that the fuse of aluminum foil and adhesive tape is enclosed in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the metallic film capacitor prepared in the embodiment of the present invention.
Figure label explanation: 2- rubber shell, 4- epoxy glue, 6- insulating paper, 8- aluminium zinc gilding layer, 10- are enclosed with aluminum foil and adhesive tape
Fuse, 12- fuse, 14- aluminium foil.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment
The present embodiment discloses a kind of preparation method of metallic film capacitor, and shown referring to Fig.1, which includes
Following processing step,
Step 1: dielectric basement membrane body (or " blank basement membrane ") is handled by low-temperature plasma corona method, dielectric herein
Basement membrane body is polypropylene film, polypropylene film surface is handled by low-temperature plasma corona method, so that spraying plating on the thin film
When metal layer, the adhesive force of metal layer can be improved.
After plasma corona method handles dielectric basement membrane body, in dielectric basement membrane body surface face evaporation metal film layer, then exist
The surface of metallized film layers coats inhibited oil.Inhibited oil energy is coated after the evaporation metal film layer of dielectric basement membrane body surface face
Enough corrosion for effectively resisting extraneous moisture to metallized film layers.
Step 2: treated that dielectric basement membrane body is wound into fuse for step 1, using zinc-aluminium line fuse end face spraying plating
Metal layer (referred to as " aluminium zinc gilding layer ") is formed, referring to core structures shown in Fig. 2.
Step 3: aluminum foil and adhesive tape is being wrapped up by step 2 metal spraying treated core surface, wherein aluminum foil and adhesive tape is by aluminium
Foil and PP film are bonded by adhesive, and aluminum foil and adhesive tape farthest protects fuse to resist moisture.
Step 4: take it is multiple through step 3, treated that fuse composes in parallel core group, it is more that busbar copper sheet is welded to inside
Inner core group is then wrapped up using composite-insulating paper in a fuse both ends；Composite-insulating paper herein is that a kind of three layers of softness is multiple
Insulating materials is closed, is made of polyester film and the two layers polyester nonwoven fabric layer (DMD) for being located at polyester film two sides, this is poly-
Ester nonwoven fabric layer is by adhesive bonding on polyester film surface, and the composite-insulating paper heat resistance is at 130 DEG C or so.
Step 5: to step 4, treated that core group removes moisture processing, and the environment temperature for removing moisture processing herein is 70~100
DEG C, removing moisture the time is 5.5~7.5 hours, is preferably placed 6 hours in 80 DEG C remove moisture in case.
Step 6: roughening treatment rubber shell inner wall, so that the surface contacted inside rubber shell with glue-line is roughening face.Herein,
It is preferable to use PPS rubber shells for rubber shell, and the PPS rubber shell bottom and four walls after roughening treatment are all processed into roughening face, roughening treatment energy
Enough contacts area and intensity increased with epoxy glue, conducive to the service life for improving capacitor.Rubber shell after roughening treatment makes
With processing is preceding removed moisture, the environment temperature for removing moisture processing herein is 70~100 DEG C, and removing moisture the time is 5.5~7.5 hours, preferably
It is placed 6 hours in 80 DEG C remove moisture in case.
Step 7: the core that will remove moisture that treated in step 5 is assembled by step 6 treated rubber shell, in vacuum
Epoxy resin is filled under environment into rubber shell, vacuum environment herein is to be evacuated to -98Kpa, pressure maintaining 10min~15min.Very
Injecting glue can be avoided internal epoxy glue and bubble occurs under Altitude, conducive to the humidity-proof ability for improving capacitor.
The sequence of above step five and step 6 can be interchanged.
Based on the metallic film capacitor of method made above preparation, referring to shown in Fig. 3, which can be born 85
DEG C temperature and 85% humidity apply 1 times of voltage rating, meet test in 1000 hours, 1.5 times of overvoltage can be born, the service life is more than 10
Ten thousand hours.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of preparation method of metallic film capacitor, it is characterised in that: it includes the following steps,
(1) dielectric basement membrane body is handled based on plasma corona method；
(2) the end face sprayed metal layer of fuse is wound into the dielectric basement membrane body；
(3) aluminum foil and adhesive tape is wrapped up on the surface of the fuse；
(4) insulating paper is wrapped up on the outside of the core group composed in parallel by multiple fuses for being enclosed with aluminum foil and adhesive tape；
(5) by step (4), treated that the core is assembled into rubber shell；
(6) encapsulating into the rubber shell under vacuum conditions.
2. the preparation method of metallic film capacitor as described in claim 1, it is characterised in that: in step (1), plasma
After corona method handles dielectric basement membrane body, further include
(1.1) in dielectric basement membrane body surface face evaporation metal film layer；
(1.2) inhibited oil is coated on the surface of metallized film layers.
3. the preparation method of metallic film capacitor as claimed in claim 1 or 2, it is characterised in that: in step (2), institute
Stating the material that sprayed metal layer uses is zinc-aluminium line.
4. the preparation method of metallic film capacitor as described in claim 1, it is characterised in that: the vacuum ring of step (6)
Border is to be evacuated to -98Kpa, pressure maintaining 10min~15min.
5. the preparation method of metallic film capacitor as described in claim 1, it is characterised in that: the dielectric basement membrane body is
Polypropylene dielectric basement membrane body.
6. the preparation method of metallic film capacitor as described in claim 1, it is characterised in that: the aluminum foil and adhesive tape is by aluminium
Foil, PP film and adhesive composition.
7. the preparation method of metallic film capacitor as described in claim 1, it is characterised in that: treated for step (4)
Before core is assembled into rubber shell, the core group removes moisture processing 5.5~7.5 hours under 70~100 DEG C of temperature environment.
8. the preparation method of metallic film capacitor as described in claim 1, it is characterised in that: treated for step (4)
Before core is assembled into rubber shell, the rubber shell removes moisture processing 5.5~7.5 hours under 70~100 DEG C of temperature environment.
9. the preparation method of metallic film capacitor as claimed in claim 1 or 8, it is characterised in that: the rubber shell inner wall
Roughening treatment, so that its internal surface contacted with glue-line is roughening face.
10. the preparation method of metallic film capacitor as described in claim 1, it is characterised in that: the insulating paper is multiple
Close insulating paper comprising polyester film and the two layers polyester nonwoven fabric layer for being located at the polyester film two sides, the polyester
Nonwoven fabric layer is by adhesive bonding on polyester film surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910792503.XA CN110428971A (en) | 2019-08-26 | 2019-08-26 | The preparation method of metallic film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910792503.XA CN110428971A (en) | 2019-08-26 | 2019-08-26 | The preparation method of metallic film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110428971A true CN110428971A (en) | 2019-11-08 |
Family
ID=68417512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910792503.XA Pending CN110428971A (en) | 2019-08-26 | 2019-08-26 | The preparation method of metallic film capacitor |
Country Status (1)
| Country | Link |
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| CN (1) | CN110428971A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808166A (en) * | 2019-11-28 | 2020-02-18 | 铜陵市佳龙飞电容器有限公司 | High-conductivity breakdown-resistant capacitor and preparation method thereof |
| CN113311265A (en) * | 2021-05-25 | 2021-08-27 | 华中科技大学 | Method and system for predicting service life of metallized film capacitor |
| CN113782341A (en) * | 2020-06-10 | 2021-12-10 | 钰邦科技股份有限公司 | Winding type capacitor packaging structure and manufacturing method thereof |
| US11640879B2 (en) * | 2020-06-10 | 2023-05-02 | Apaq Technology Co., Ltd. | Winding capacitor package structure and method of manufacturing the same |
| US11640878B2 (en) * | 2020-06-10 | 2023-05-02 | Apaq Technology Co., Ltd. | Winding capacitor package structure and method of manufacturing the same |
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| CN204375570U (en) * | 2015-03-02 | 2015-06-03 | 黄山申格电子科技有限公司 | The film capacitor that heat radiation improves |
| CN110164691A (en) * | 2019-05-06 | 2019-08-23 | 艾华新动力电容(苏州)有限公司 | A kind of high moisture-proof metalizing polypropylene thin film capacitor and its processing method |
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| CN204375570U (en) * | 2015-03-02 | 2015-06-03 | 黄山申格电子科技有限公司 | The film capacitor that heat radiation improves |
| CN110164691A (en) * | 2019-05-06 | 2019-08-23 | 艾华新动力电容(苏州)有限公司 | A kind of high moisture-proof metalizing polypropylene thin film capacitor and its processing method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808166A (en) * | 2019-11-28 | 2020-02-18 | 铜陵市佳龙飞电容器有限公司 | High-conductivity breakdown-resistant capacitor and preparation method thereof |
| CN110808166B (en) * | 2019-11-28 | 2021-06-22 | 铜陵市佳龙飞电容器有限公司 | High-conductivity breakdown-resistant capacitor and preparation method thereof |
| CN113782341A (en) * | 2020-06-10 | 2021-12-10 | 钰邦科技股份有限公司 | Winding type capacitor packaging structure and manufacturing method thereof |
| US11640879B2 (en) * | 2020-06-10 | 2023-05-02 | Apaq Technology Co., Ltd. | Winding capacitor package structure and method of manufacturing the same |
| US11640878B2 (en) * | 2020-06-10 | 2023-05-02 | Apaq Technology Co., Ltd. | Winding capacitor package structure and method of manufacturing the same |
| US20230215661A1 (en) * | 2020-06-10 | 2023-07-06 | Apaq Technology Co., Ltd. | Method of manufacturing a winding capacitor package structure |
| US20230215659A1 (en) * | 2020-06-10 | 2023-07-06 | Apaq Technology Co., Ltd. | Method of manufacturing a winding capacitor package structure |
| CN113311265A (en) * | 2021-05-25 | 2021-08-27 | 华中科技大学 | Method and system for predicting service life of metallized film capacitor |
| CN113311265B (en) * | 2021-05-25 | 2022-03-18 | 华中科技大学 | Method and system for predicting service life of metallized film capacitor |
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