CN109461576A - A kind of novel patch capacitor - Google Patents
A kind of novel patch capacitor Download PDFInfo
- Publication number
- CN109461576A CN109461576A CN201811222889.2A CN201811222889A CN109461576A CN 109461576 A CN109461576 A CN 109461576A CN 201811222889 A CN201811222889 A CN 201811222889A CN 109461576 A CN109461576 A CN 109461576A
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- China
- Prior art keywords
- main body
- electrode end
- ceramic main
- electrode
- heat
- 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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- 239000003990 capacitor Substances 0.000 title claims abstract description 30
- 239000000919 ceramic Substances 0.000 claims abstract description 49
- 239000005439 thermosphere Substances 0.000 claims abstract description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 8
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 229910052709 silver Inorganic materials 0.000 claims abstract description 8
- 239000004332 silver Substances 0.000 claims abstract description 8
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 230000005855 radiation Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 29
- 229910052573 porcelain Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000003985 ceramic capacitor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002365 multiple layer Substances 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 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
-
- 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
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
-
- 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
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
- H01G4/2325—Terminals electrically connecting two or more layers of a stacked or rolled capacitor characterised by the material of the terminals
-
- 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
- H01G4/30—Stacked capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The present invention relates to a kind of novel patch capacitors, including ceramic main body, the ceramic main body two sides are fixed with first electrode end and second electrode end respectively, and the first electrode end is located at the left side at second electrode end, the first electrode end is equidistantly fixed with three groups of first electrode sheets close to the side of ceramic main body, perfect heat-dissipating, electrode tip resistance to bending performance is strong, the heat that collection thermosphere absorbs ceramic main body inner cavity is transferred to heat dissipating layer through heat-conducting layer and radiates, so that this product has preferable heat dissipation characteristics, silver coating, nickel coating and tin-lead mixed layer by it is interior successively fold to set outward form first electrode end, improve the resistance to bending at first electrode end, prevent collection thermosphere from falling off by the way that frictional force of the semi-circular projection on the one hand between increase ceramic main body and collection thermosphere is arranged on the outside of ceramic main body, another aspect increasing heat radiation area, improve thermal diffusivity Can, by the way that chamfering is symmetrically fixedly installed in ceramic main body top and bottom, prevent first electrode end from falling off with second electrode end.
Description
Technical field
The present invention relates to a kind of novel patch capacitors, belong to electronic components assembling structure technology neck.
Background technique
Patch capacitor is called multiple-layer sheet ceramic capacitor, is the biggish common component of current amount ratio, multilayer sheet type pottery
Porcelain condenser (english abbreviation MLCC) is a kind of surface-pasted chip capacitor of suitable SMT, and almost all of complete electronic set is all
Necessary mating application, especially computer, mobile communication product, digital camera, high-definition large-screen colour TV and automobile electricity
Sub- complete product, growing day by day to the demand of MLCC product, this capacitor is replaced by electrode slice in multilayer and dielectric layer
It is superimposed and is sintered to be formed, be a kind of cascade capacitor, the dielectric layer material of this capacitor is usually ceramics, and in dielectric layer material
Two end electrodes are connected by electrode slice in multilayer in material, have the advantages that small in size, high pressure resistant, and can be replaced in certain fields
Traditional aluminium electrolutic capacitor and tantalum electrolytic capacitor, however, current patch capacitor is due to being easy fever, and heat dissipation effect
Difference, electrode tip are easy to fall off, and multiple-layer sheet ceramic capacitor is easy so that bending occurs in electrode in encapsulation or manufacturing process,
The service performance of product is influenced, therefore, it is necessary to be further improved.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides a kind of novel patch capacitor, perfect heat-dissipating,
Electrode tip resistance to bending performance is strong, and the heat that collection thermosphere absorbs ceramic main body inner cavity is transferred to heat dissipating layer through heat-conducting layer and radiates,
So that this product has preferable heat dissipation characteristics, silver coating, nickel coating and tin-lead mixed layer are set and are formed by interior successively fold outward
The resistance to bending at first electrode end is improved at first electrode end, on the one hand increases pottery by the way that semi-circular projection is arranged on the outside of ceramic main body
Frictional force between porcelain main body and collection thermosphere prevents collection thermosphere from falling off, another aspect increasing heat radiation area, improves heat dissipation performance, leads to
It crosses and chamfering is symmetrically fixedly installed in ceramic main body top and bottom, prevent first electrode end from falling off with second electrode end, improve patch
Chip capacitor service life can effectively solve the problems in background technique.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of novel patch capacitor, including ceramic main body, the ceramic main body two sides are fixed with first electrode end and the respectively
Two electrode tips, and the first electrode end is located at the left side at second electrode end, the first electrode end is close to the one of ceramic main body
Side is equidistantly fixed with three groups of first electrode sheets, and the second electrode end is equidistantly fixed with three groups close to the side of ceramic main body
Second electrode sheet, and the first electrode sheet and second electrode sheet stacking are staggeredly arranged in ceramic main body inner cavity, the ceramics are main
External side is bonded with collection thermosphere by thermally conductive bonded adhesives, and the collection thermosphere outside is bonded with heat-conducting layer by thermally conductive bonded adhesives, institute
It states and heat dissipating layer is bonded with by thermally conductive bonded adhesives on the outside of heat-conducting layer.
Furthermore, the second electrode end is the silver-colored palladium mixed layer that three stackings are set.
Furthermore, side of the first electrode end with second electrode end far from ceramic main body is welded with metal and connects
Terminal.
Furthermore, the first electrode end includes successively folding the silver coating, nickel coating and the tin-lead that set outward by interior
Mixed layer.
Furthermore, the heat dissipating layer outer surface is uniformly provided with several heat release holes through its ontology.
Furthermore, the ceramic main body top and bottom is symmetrically fixed with chamfering, and the chamfering is embedded in
One electrode tip and second electrode end inner cavity.
Furthermore, semi-circular projection is uniformly provided on the outside of the ceramic main body.
The invention has the advantages that: a kind of novel patch capacitor according to the present invention, perfect heat-dissipating, electrode tip resistances to bending
Performance is strong, and the heat that collection thermosphere absorbs ceramic main body inner cavity is transferred to heat dissipating layer through heat-conducting layer and radiates, so that this product has
Have a preferable heat dissipation characteristics, silver coating, nickel coating and tin-lead mixed layer by it is interior successively fold to set outward form first electrode end, mention
On the one hand the resistance to bending at high first electrode end increases ceramic main body and collection thermosphere by the way that semi-circular projection is arranged on the outside of ceramic main body
Between frictional force prevent collection thermosphere from falling off, another aspect increasing heat radiation area, improve heat dissipation performance, by ceramic main body top
Chamfering is fixedly installed in portion and bottom symmetrical, prevents first electrode end from falling off with second electrode end, improves patch capacitor service life.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
Fig. 1 is a kind of novel patch capacitor cross-sectional view of the present invention.
Fig. 2 is a kind of first electrode end cross-sectional view of novel patch capacitor of the present invention.
Fig. 3 is a kind of novel patch capacitor main view of the present invention.
Figure label: 1, ceramic main body；2, first electrode end；3, second electrode end；4, first electrode sheet；5, second electrode
Piece；6, collection thermosphere；7, heat-conducting layer；8, heat dissipating layer；9, silver coating；10, nickel coating；11, tin-lead mixed layer；12, metal connection column；
13, semi-circular projection；14, heat release hole；15, chamfering.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figure 1-Figure 3, a kind of novel patch capacitor, including ceramic main body 1,1 two sides of ceramic main body are solid respectively
Surely first electrode end 2 and second electrode end 3 are equipped with, and the first electrode end 2 is located at the left side at second electrode end 3, described the
One electrode tip 2 is equidistantly fixed with three groups of first electrode sheets 4 close to the side of ceramic main body 1, and the second electrode end 3 is close to pottery
The side of porcelain main body 1 is equidistantly fixed with three groups of second electrode sheets 5, and the first electrode sheet 4 and the stacking of second electrode sheet 5 are handed over
Mistake is arranged in 1 inner cavity of ceramic main body, is bonded with collection thermosphere 6 by thermally conductive bonded adhesives on the outside of the ceramic main body 1, quickly absorbs pottery
The heat of 1 inner cavity of porcelain main body is accelerated to radiate, and heat-conducting layer 7 is bonded with by thermally conductive bonded adhesives on the outside of the collection thermosphere 6, quickly heat
It measures and is transferred to heat dissipating layer 8, heat dissipating layer 8 is bonded with by thermally conductive bonded adhesives on the outside of the heat-conducting layer 7, quickly heat is given out
It goes.
The second electrode end 3 is the silver-colored palladium mixed layer that three stackings are set, and enhances the resistance to bending performance at second electrode end 3, institute
It states first electrode end 2 and side of the second electrode end 3 far from ceramic main body 1 and is welded with metal connection column 12, patch capacitor is logical
Electricity is convenient, and the first electrode end 2 includes successively folding the silver coating 9, nickel coating 10 and the tin-lead mixed layer 11 that set outward by interior,
Enhance the resistance to bending performance at first electrode end 2,8 outer surface of heat dissipating layer is uniformly provided with several heat release holes through its ontology
14, increasing heat radiation area accelerates the radiating efficiency of 1 inner cavity of ceramic main body, and symmetrically fixation is set 1 top and bottom of ceramic main body
There is chamfering 15, and the chamfering 15 is embedded in first electrode end 2 and 3 inner cavity of second electrode end, prevents first electrode end 2 and second
Electrode tip 3 is detached from ceramic main body 1, improves the service life of patch capacitor, is uniformly provided with semi-circular projection on the outside of the ceramic main body 1
13, the frictional force on the one hand increased between ceramic main body 1 and collection thermosphere 6 prevents collection thermosphere 6 from falling off, and on the other hand increases radiating surface
Product improves heat dissipation performance.
Working principle of the present invention: collection thermosphere 6 absorb 1 inner cavity of ceramic main body heat through heat-conducting layer 7 be transferred to heat dissipating layer 8 into
Row heat dissipation, silver coating 9, nickel coating 10 and tin-lead mixed layer 11 are set by interior successively fold outward and forms first electrode end 2, raising the
The resistance to bending of one electrode tip 2, on the one hand frictional force that semi-circular projection 13 increases between ceramic main body 1 and collection thermosphere 6 prevent thermal-arrest
Layer 6 falls off, another aspect increasing heat radiation area, improves heat dissipation performance, and what 1 top and bottom of ceramic main body was symmetrically fixedly installed falls
Angle 15 can prevent first electrode end 2 and second electrode end 3 to be detached from ceramic main body 1.
The above are the preferable embodiments of the present invention, and those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified, and therefore, the invention is not limited to above-mentioned specific embodiment, all those skilled in the art exist
Made any conspicuous improvement, replacement or modification all belong to the scope of protection of the present invention on the basis of the present invention.
Claims (7)
1. a kind of novel patch capacitor, including ceramic main body (1), it is characterised in that: ceramic main body (1) two sides are fixed respectively
Equipped with first electrode end (2) and second electrode end (3), and the first electrode end (2) is located at the left side at second electrode end (3),
The first electrode end (2) is equidistantly fixed with three groups of first electrode sheets (4) close to the side of ceramic main body (1), and described second
Electrode tip (3) is equidistantly fixed with three groups of second electrode sheets (5), and the first electrode sheet close to the side of ceramic main body (1)
(4) it is staggeredly arranged in ceramic main body (1) inner cavity with second electrode sheet (5) stacking, passes through on the outside of the ceramic main body (1) thermally conductive viscous
It connects gluing to be connected to collection thermosphere (6), heat-conducting layer (7), the heat-conducting layer is bonded with by thermally conductive bonded adhesives on the outside of the collection thermosphere (6)
(7) outside is bonded with heat dissipating layer (8) by thermally conductive bonded adhesives.
2. a kind of novel patch capacitor according to claim 1, it is characterised in that: the second electrode end (3) is three stackings
If silver-colored palladium mixed layer.
3. a kind of novel patch capacitor according to claim 1, it is characterised in that: the first electrode end (2) and the second electricity
Extremely (3) are welded with metal connection column (12) far from the side of ceramic main body (1).
4. a kind of novel patch capacitor according to claim 1, it is characterised in that: the first electrode end (2) includes by interior
Silver coating (9), nickel coating (10) and the tin-lead mixed layer (11) set is successively folded outward.
5. a kind of novel patch capacitor according to claim 1, it is characterised in that: heat dissipating layer (8) outer surface is uniform
Equipped with several heat release holes (14) through its ontology.
6. a kind of novel patch capacitor according to claim 1, it is characterised in that: ceramic main body (1) top and bottom
It is symmetrically fixed with chamfering (15), and the chamfering (15) is embedded in first electrode end (2) and second electrode end (3) inner cavity.
7. a kind of novel patch capacitor according to claim 1, it is characterised in that: uniformly set on the outside of the ceramic main body (1)
There are semi-circular projection (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222889.2A CN109461576A (en) | 2018-10-19 | 2018-10-19 | A kind of novel patch capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222889.2A CN109461576A (en) | 2018-10-19 | 2018-10-19 | A kind of novel patch capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109461576A true CN109461576A (en) | 2019-03-12 |
Family
ID=65607890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811222889.2A Withdrawn CN109461576A (en) | 2018-10-19 | 2018-10-19 | A kind of novel patch capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109461576A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115512963A (en) * | 2022-09-21 | 2022-12-23 | 常州华融电子有限公司 | Instantaneous charge and discharge resistant patch type aluminum electrolytic capacitor |
-
2018
- 2018-10-19 CN CN201811222889.2A patent/CN109461576A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115512963A (en) * | 2022-09-21 | 2022-12-23 | 常州华融电子有限公司 | Instantaneous charge and discharge resistant patch type aluminum electrolytic capacitor |
| CN115512963B (en) * | 2022-09-21 | 2023-12-05 | 常州华融电子有限公司 | SMD type aluminum electrolytic capacitor resistant to instantaneous charge and discharge |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190312 |