CN207425635U - A kind of chip-type laminated solid aluminum electrolytic capacitor of the polymer of small size - Google Patents
A kind of chip-type laminated solid aluminum electrolytic capacitor of the polymer of small size Download PDFInfo
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- CN207425635U CN207425635U CN201721598172.9U CN201721598172U CN207425635U CN 207425635 U CN207425635 U CN 207425635U CN 201721598172 U CN201721598172 U CN 201721598172U CN 207425635 U CN207425635 U CN 207425635U
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Abstract
The utility model provides a kind of kind of the chip-type laminated solid aluminum electrolytic capacitor of the polymer of small size, including capacitor case, lead terminal and the fuse being made of aluminium, aluminum oxide dielectric layer, conductive solid polymer electrolyte layer, carbon containing cathode layer, silver-contained cathode layer；Wherein lead terminal is made of lead terminal anode tap and lead terminal cathode terminal, and the lead terminal anode tap and lead terminal cathode terminal are respectively provided with wide rectangular engraved structure, and the width of wherein engraved structure is the 60% of lead terminal width.By designing rectangle engraved structure on the lead terminal of the chip-type laminated solid aluminum electrolytic capacitor of polymer, the tight ness rating that capacitor case is promoted to be combined with lead terminal, improve the flatness of lead terminal bending forming, be conducive to improve the yield rate of the chip-type laminated solid aluminum electrolytic capacitor of small size polymer, improve the moisture resistance properties of product.
Description
Technical field
The utility model is related to solid electrolytic capacitor production technical fields, particularly, are related to a kind of polymerization of small size
The chip-type laminated solid aluminum electrolytic capacitor of object.
Background technology
In recent years, with the digitlization and micromation of electronic device, market increasingly tends to the size requirement of capacitor
Miniaturization, also there is an urgent need to develop toward miniaturization for the size of the chip-type laminated solid aluminum electrolytic capacitor of polymer.Conventional ruler
The size of the very little chip-type laminated solid aluminum electrolytic capacitor of polymer is 7.3mm × 4.3mm × 1.9mm, and the utility model provides
The size of the chip-type laminated solid aluminum electrolytic capacitor of small size polymer is 3.5mm × 2.8mm × 1.9mm.
The preparation process of the chip-type laminated solid aluminum electrolytic capacitor of polymer is mainly by chemical polymerization or electrolysis at present
Polymerization forms conductive solid polymer electrolyte layer on aluminium foil cathodic region surface, is sequentially prepared carbon containing cathode layer afterwards and contains
Silver body cathode layer forms capacitor unit；Multiple capacitor units are bonded in by lamination on lead frame, are drawn respectively by lead terminal
Go out anode and cathode, be then packaged with epoxy resin, finally by lead terminal bending forming.The prior art is preparing small ruler
The very little chip-type laminated solid aluminum electrolytic capacitor of polymer（3.5mm×2.8mm×1.9mm）When, there are the problem of mainly have capacitance
The tight ness rating that device shell is combined with lead terminal is poor, and plastic packaging material easily splits from lead terminal junction during encapsulation；And by material
Expect characteristic and bending angle limitation, lead terminal is not easy bending forming, poor flatness；The above problem results in small size polymer
The yield rate of chip-type laminated solid aluminum electrolytic capacitor is relatively low, and has seriously affected the moisture resistance properties of product, also limits small ruler
The application range and development prospect of the very little chip-type laminated solid aluminum electrolytic capacitor bigger of polymer.
Utility model content
In view of this, the utility model aim is to provide a kind of chip-type laminated solid aluminum electrolytic capacitance of polymer of small size
Device.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of chip-type laminated solid aluminum electrolytic capacitor of the polymer of small size, including capacitor case, lead terminal, with
And the fuse being made of aluminium, aluminum oxide dielectric layer, conductive solid polymer electrolyte layer, carbon containing cathode layer, silver-contained cathode layer；
Wherein lead terminal is made of lead terminal anode tap and lead terminal cathode terminal, the lead terminal anode tap and lead terminal
Cathode terminal is respectively provided with wide rectangular engraved structure, and the width of wherein engraved structure is the 60% of lead terminal width.
Preferably, the length of the engraved structure of the lead terminal anode tap is long for the engraved structure of lead terminal cathode terminal
The 50% of degree.
Preferably, it is total for it to be exposed at the length of the outside of the capacitor case for the lead terminal anode tap engraved structure
The 50% of length, the length that the lead terminal cathode terminal engraved structure is exposed at the outside of the capacitor case are its total length
50%.
Compared with the prior art, the utility model has the advantage of：
By designing rectangle engraved structure on the lead terminal of the chip-type laminated solid aluminum electrolytic capacitor of polymer, promote
The tight ness rating combined into capacitor case with lead terminal improves the flatness of lead terminal bending forming, is conducive to improve small
The yield rate of the chip-type laminated solid aluminum electrolytic capacitor of size polymer improves the moisture resistance properties of product.
Description of the drawings
Fig. 1 is the profile construction schematic diagram of the utility model embodiment；
Fig. 2 is top view of the utility model embodiment lead terminal in non-bending forming on capacitor case；
Fig. 3 is structure diagram when lead terminal does not cut from lead frame parent.
Reference numeral：1st, capacitor case；2nd, aluminium；3rd, aluminum oxide dielectric layer；4th, conductive solid polymer electrolyte layer；
5th, carbon containing cathode layer；6th, silver-contained cathode layer；7th, lead terminal；8th, conductive adhesive；9th, engraved structure；71st, lead terminal anode
End；72nd, lead terminal cathode terminal.
Specific embodiment
Below in conjunction with attached drawing, specific embodiment of the present utility model is described in further detail, so that the utility model skill
Art scheme is more readily understood and grasps.
Embodiment：
Referring to described in Fig. 1, the present embodiment provides a kind of chip-type laminated solid aluminum electrolytic capacitor of polymer, including capacitor
Shell 1, lead terminal 7 and by aluminium 2, aluminum oxide dielectric layer 3, conductive solid polymer electrolyte layer 4, carbon containing cathode layer
5th, the fuse that silver-contained cathode layer 6 is formed, wherein lead terminal 7 is by 72 structure of lead terminal anode tap 71 and lead terminal cathode terminal
Into；The cathode of fuse is adhered to lead terminal cathode terminal 72 by conductive adhesive 8, and the anode of fuse is welded to lead terminal sun
Extreme 71, the stacking with lead terminal 7 is completed with this.
With reference to shown in Fig. 2, wherein being respectively provided with wide rectangular hollow out in lead terminal anode tap 71 and cathode terminal 72
Structure 9；The width of wherein engraved structure 9 is the 60% of 7 width of lead terminal；
With reference to shown in Fig. 2, the length that wherein 71 engraved structure 9 of lead terminal anode tap is exposed at outside capacitor case 1 is
The 50% of its total length, 72 engraved structure 9 of lead terminal cathode terminal are exposed at the length outside capacitor case 1 as its total length
50%；
With reference to shown in Fig. 2, lead terminal 7 is bending forming structure, in bending, makes lead terminal anode tap 71 and lead
For terminal cathode terminal 72 respectively in its 9 present position of engraved structure, the surface for being bonded capacitor case 1 carries out 2 bending formings.
With reference to shown in Fig. 2 and Fig. 3, the length of the engraved structure 9 of lead terminal anode tap 71 is lead terminal cathode terminal 72
9 length of engraved structure 50%.Wherein Fig. 3 is structural representation when lead terminal 7 does not cut from lead frame parent
Figure.
The utility model on the lead terminal of the chip-type laminated solid aluminum electrolytic capacitor of polymer by designing rectangle
Engraved structure 9, the tight ness rating that capacitor case is promoted to be combined with lead terminal 7 improve the smooth of 7 bending forming of lead terminal
Degree is conducive to improve the yield rate of the chip-type laminated solid aluminum electrolytic capacitor of small size polymer, improves the moisture resistance properties of product.
Certainly, it is the representative instance of the utility model more than, in addition, the utility model can also have other a variety of
Specific embodiment, all technical solutions formed using equivalent substitution or equivalent transformation all fall within the requires of the utility model protection
Within the scope of.
Claims (3)
1. a kind of chip-type laminated solid aluminum electrolytic capacitor of the polymer of small size, including capacitor case（1）, lead terminal
（7）And by aluminium（2）, aluminum oxide dielectric layer（3）, conductive solid polymer electrolyte layer（4）, carbon containing cathode layer（5）, contain
Silver body cathode layer（6）The fuse of composition；Wherein lead terminal（7）By lead terminal anode tap（71）With lead terminal cathode terminal（72）
It forms, is characterized in that：The lead terminal anode tap（71）With lead terminal cathode terminal（72）It is respectively provided with wide rectangular
Engraved structure（9）, wherein engraved structure（9）Width be lead terminal（7）The 60% of width.
2. a kind of chip-type laminated solid aluminum electrolytic capacitor of polymer of small size according to claim 1, feature exist
In：The lead terminal anode tap（71）Engraved structure（9）Length be lead terminal cathode terminal（72）Engraved structure（9）
The 50% of length.
3. a kind of chip-type laminated solid aluminum electrolytic capacitor of polymer of small size according to claim 1, feature exist
In：The lead terminal anode tap（71）Engraved structure（9）It is exposed at the capacitor case（1）Outside length be its overall length
The 50% of degree, the lead terminal cathode terminal（72）Engraved structure（9）It is exposed at the capacitor case（1）The length of outside be
The 50% of its total length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721598172.9U CN207425635U (en) | 2017-11-27 | 2017-11-27 | A kind of chip-type laminated solid aluminum electrolytic capacitor of the polymer of small size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721598172.9U CN207425635U (en) | 2017-11-27 | 2017-11-27 | A kind of chip-type laminated solid aluminum electrolytic capacitor of the polymer of small size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425635U true CN207425635U (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721598172.9U Active CN207425635U (en) | 2017-11-27 | 2017-11-27 | A kind of chip-type laminated solid aluminum electrolytic capacitor of the polymer of small size |
Country Status (1)
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| CN (1) | CN207425635U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326449A (en) * | 2018-10-12 | 2019-02-12 | 福建国光电子科技股份有限公司 | The preparation method of solid electrolytic capacitor |
| CN109637811A (en) * | 2018-12-13 | 2019-04-16 | 福建国光电子科技股份有限公司 | A kind of chip-type laminated solid aluminum electrolytic capacitor of ultrathin type polymer and preparation method |
-
2017
- 2017-11-27 CN CN201721598172.9U patent/CN207425635U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326449A (en) * | 2018-10-12 | 2019-02-12 | 福建国光电子科技股份有限公司 | The preparation method of solid electrolytic capacitor |
| CN109637811A (en) * | 2018-12-13 | 2019-04-16 | 福建国光电子科技股份有限公司 | A kind of chip-type laminated solid aluminum electrolytic capacitor of ultrathin type polymer and preparation method |
| CN109637811B (en) * | 2018-12-13 | 2021-03-23 | 福建国光电子科技有限公司 | Ultra-thin polymer sheet type laminated solid aluminum electrolytic capacitor and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200108 Address after: 350000 room 1110, floor 1, No. 160, jiangbindong Avenue, Mawei District, Fuzhou City, Fujian Province (within the free trade zone) Patentee after: Fujian Guoguang Xinye Technology Co.,Ltd. Address before: 160 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue Patentee before: FUJIAN GUOGUANG ELECTRONIC SCIENCE & TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 1110, 1st floor, 160 Jiangbin East Avenue, Mawei District, Fuzhou City, Fujian Province Patentee after: Fujian Guoguang New Industry Technology Co.,Ltd. Address before: 350000 room 1110, 1st floor, 160 jiangbindong Avenue, Mawei District, Fuzhou City, Fujian Province (in the pilot Free Trade Zone) Patentee before: Fujian Guoguang Xinye Technology Co.,Ltd. |