CN108550464A - A kind of High-sheet-resistancaluminum aluminum membrane that thickening layer is zinc-plated - Google Patents
A kind of High-sheet-resistancaluminum aluminum membrane that thickening layer is zinc-plated Download PDFInfo
- Publication number
- CN108550464A CN108550464A CN201810347335.9A CN201810347335A CN108550464A CN 108550464 A CN108550464 A CN 108550464A CN 201810347335 A CN201810347335 A CN 201810347335A CN 108550464 A CN108550464 A CN 108550464A
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- China
- Prior art keywords
- coating
- area
- sheet
- metal
- zinc
- 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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Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 230000008719 thickening Effects 0.000 title claims abstract description 15
- 239000012528 membrane Substances 0.000 title claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 59
- 238000000576 coating method Methods 0.000 claims abstract description 59
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 230000007704 transition Effects 0.000 claims abstract description 16
- 210000004379 membrane Anatomy 0.000 claims abstract description 13
- 210000002469 basement membrane Anatomy 0.000 claims abstract description 12
- 238000007740 vapor deposition Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 abstract description 35
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 13
- 239000010409 thin film Substances 0.000 description 9
- 239000011701 zinc Substances 0.000 description 9
- 239000011104 metalized film Substances 0.000 description 8
- 238000001465 metallisation Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000006056 electrooxidation reaction Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013528 metallic particle Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000009467 reduction Effects 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
- H01G4/33—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
- H01G4/002—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
- H01G4/32—Wound capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
A kind of High-sheet-resistancaluminum aluminum membrane that thickening layer is zinc-plated of the present invention, be vaporized on including basement membrane (1), by vapor deposition method basement membrane (1) vapor deposition face the coat of metal is constituted by Al and/or Zn and blank positioned at coat of metal both sides stays border area (5), the coat of metal includes being vaporized on coating thickened area (2) on Al coating, the high square resistance area (4) of pure Al coating and the sheet resistance transition region (3) between thickened area (2) and high square resistance area (4) that is vaporized on Al coating；The high square resistance area (4) is metal Al coating, and the coating thickened area (2) and sheet resistance transition region (3) are metal Zn coating.Self-healing property of the present invention is good, and high square resistance area coating is not oxidizable, is easy storage, can effectively reduce the volume of capacitor, reduces production cost.
Description
Technical field
It is zinc-plated more particularly to a kind of thickening layer the present invention relates to thin film capacitor manufacturing metallized film materials
High-sheet-resistancaluminum aluminum membrane.
Background technology
For thin film capacitor because it is used widely with good resistance to pressure and self-healing property, metallized film is thin-film electro
The important materials of container production manufacture, by high purity metal（Such as AL, ZN）It melts, evaporate under high vacuum state, being deposited to Jie
On matter basement membrane, the film after medium membrane surface forms one layer of very thin coat of metal is exactly metallized film；It metallizes thin
The resistance value of the unit square area of the coat of metal on film is known as sheet resistance（That is square resistance is indicated with Ω/）, city at present
The metallized film generally used on field generally uses allumen that mode is deposited, and the sheet resistance value in high square area only has 20 Ω/,
And atmospheric oxidn corrosion also easily occurs during storage for high square resistance area zinc coating, so zinc coating can not plate too thin, patent
It is exactly such a metallized film that document CN1753114A is disclosed, the metallized film of this structure be difficult to improve its resist it is resistance to
Compressive Strength, with having got up extensively for capacitor application, power equipment volume requirement is smaller and smaller, accordingly to the volume of capacitance
It is required that also higher and higher, this requires the energy storage density of capacitor is increasing, i.e. the compressive resistance of capacitor membrane wants phase
The increase answered.
Invention content
The purpose of the present invention is being directed to the deficiencies in the prior art, a kind of High-sheet-resistancaluminum aluminum that thickening layer is zinc-plated is provided
Film, self-healing property is good, and high square resistance area coating is not oxidizable, is easy storage, can effectively reduce the volume of capacitor, reduction is produced into
This.
Technical solution：
To achieve the above object, present invention employs following technical schemes：A kind of High-sheet-resistancaluminum aluminum membrane that thickening layer is zinc-plated, including base
Film, be vaporized on by vapor deposition method basement membrane vapor deposition face by Al and/or Zn constitute the coat of metal and be located at the coat of metal two
The blank of side stays border area；The coat of metal include be vaporized on coating thickened area on Al coating, pure Al coating high square resistance
Area and the sheet resistance transition region between thickened area and high square resistance area being vaporized on Al coating；Make the coating thickened area
The heavy-edge metalized film of coating is formd with being lower road cutting process after the axis cutting of coating thickened area, when by two
After layer metalized film stacking misalignment is wound into capacitor, it is conducive to the infiltration of metallic particles when spray metal, capacitor core can be increased
Sub- both ends gilding layer adhesive force, reduces the contact resistance of thin-film capacitor core, can bear bigger dash current；
Sheet resistance transition region thickness of coating is continuously decreased from the thickened area junction to the high square resistance area, and sheet resistance is by plating
Variation of the floor thickened area to high square resistance area gradually from small to large, after the folded misalignment of double-layer metallization film layer is wound into capacitor,
Current density distribution with capacitor is adapted, and improves the compressive resistance of capacitor；High square resistance area thickness of coating is relatively thin, from
More property is good, significantly improves dielectric strength and self-healing ability, can reduce the thickness of basement membrane, can not only reduce the body of capacitor
Product, can also reduce production cost.
As an improvement of the above technical solution, the high square resistance area is metal Al coating, aluminium（Al）Metal phase compares zinc（Zn）
Metal is not oxidizable under normal temperature air environment, is easy storage.
As an improvement of the above technical solution, the thickened area and sheet resistance transition region are metal Zn coating, zinc（Zn）Gold
Symbolic animal of the birth year compares aluminium（Al）Metal is insensitive to electrochemical corrosion, after the folded misalignment of double-layer metallization film layer is wound into capacitor, spray
Current density is big at layer gold, can make to be not susceptible to deep erosions in capacitor long-term work using metal Zn coating.
It is as above-mentioned technology preferred embodiment：High square resistance area (4) sheet resistance is 60 Ω/ or so.
It is as above-mentioned technology preferred embodiment：Coating thickened area (2) sheet resistance is 5 Ω/ or so.
It is as above-mentioned technology preferred embodiment：Sheet resistance transition region (3) coating thickness sheet resistance is 10 Ω/ or so,
Coating thinnest part sheet resistance is 45 Ω/ or so.
Compared with prior art, the present invention haing the following advantages：
1. coating thickened area is arranged, after double-layer metallization film layer, which folds misalignment, is wound into capacitor, it is conducive to metal when spray metal
The infiltration of particle can increase capacitor body both ends gilding layer adhesive force, reduce the contact resistance of thin-film capacitor core, energy
Bear bigger dash current.
2. high square resistance area is simple metal Al coating, not oxidizable under normal temperature air environment, it is easy storage.
3. thickened area and sheet resistance transition region are metal Zn coating, capacitance is wound into when double-layer metallization film layer is folded misalignment
After device, current density is big at gilding layer, zinc（Zn）Metal is insensitive to electrochemical corrosion, makes capacitor using thickening layer is zinc-plated
Deep erosions are not susceptible in long-term work.
4. sheet resistance transition region thickness of coating is continuously decreased from coating thickened area junction to high square resistance area, sheet resistance is by coating
Variation of the thickened area to high square resistance area gradually from small to large, after the folded misalignment of double-layer metallization film layer is wound into capacitor, with
The current density distribution of capacitor is adapted, and improves the compressive resistance of capacitor；High square resistance area thickness of coating is relatively thin, self-healing
Property is good, significantly improves dielectric strength and self-healing ability, can reduce the thickness of basement membrane, can not only reduce the body of capacitor
Product, can also reduce production cost.
Description of the drawings
Fig. 1 is a wherein width film surface sectional view of the invention.
In figure, 1 basement membrane, 2 coating thickened areas, 3 sheet resistance transition regions, 4 high square resistance areas, 5 blank stay border area.
Specific implementation mode
As shown in Figure 1, a kind of High-sheet-resistancaluminum aluminum membrane that thickening layer is zinc-plated of the present invention, including basement membrane (1), pass through vapor deposition method
Be vaporized on basement membrane (1) vapor deposition face the coat of metal is constituted by Al and/or Zn and blank positioned at coat of metal both sides stays border area
(5), the coat of metal include be vaporized on coating thickened area (2) on Al coating, pure Al coating high square resistance area (4) and
It is vaporized on the sheet resistance transition region (3) between thickened area (2) and high square resistance area (4) on Al coating.
The high square resistance area (4) is metal Al coating, and sheet resistance is 60 Ω/ or so, under normal temperature air environment not
It is oxidizable, it is easy storage, high square resistance area (4) thickness of coating is relatively thin, and self-healing property is good, significantly improves the anti-electricity of capacitor
Intensity and self-healing ability can reduce the thickness of basement membrane, can not only reduce the volume of capacitor, can also reduce and be produced into
This.
The coating thickened area (2) and sheet resistance transition region (3) are metal Zn coating, coating thickened area (2) side
Resistance is 5 Ω/ or so, and setting coating thickened area (2) purpose is profit after double-layer metallization film layer folds misalignment and is wound into capacitor
The infiltration of metallic particles when spray metal can increase capacitor body both ends gilding layer adhesive force, reduce thin film capacitor core
The contact resistance of son enables thin film capacitor to bear bigger dash current, when thin film capacitor works normally, at gilding layer
Current density is big, and zinc metal is insensitive to electrochemical corrosion, makes to be not easy to send out in capacitor long-term work using thickening layer is zinc-plated
Raw deep erosions.
Sheet resistance transition region (3) coating thickness sheet resistance is 10 Ω/ or so, and coating thinnest part sheet resistance is 45 Ω/
Left and right, sheet resistance transition region thickness of coating are continuously decreased from coating thickened area junction to high square resistance area, and sheet resistance is thickeied by coating
Variation of the area to high square resistance area gradually from small to large, after the folded misalignment of double-layer metallization film layer is wound into capacitor, with film
The current density distribution of capacitor is adapted, and improves the compressive resistance of thin film capacitor.
Claims (6)
1. a kind of High-sheet-resistancaluminum aluminum membrane that thickening layer is zinc-plated, including basement membrane (1), basement membrane (1) vapor deposition is vaporized on by vapor deposition method
Face the coat of metal is constituted by Al and/or Zn and blank positioned at coat of metal both sides stays border area (5), it is characterised in that：Institute
State the coat of metal include be vaporized on coating thickened area (2) on Al coating, pure Al coating high square resistance area (4) and be vaporized on
The sheet resistance transition region (3) between thickened area (2) and high square resistance area (4) on Al coating.
2. a kind of zinc-plated High-sheet-resistancaluminum aluminum membrane of thickening layer according to claim 1, it is characterised in that the high square resistance area (4)
For metal Al coating.
3. a kind of zinc-plated High-sheet-resistancaluminum aluminum membrane of thickening layer according to claim 1, it is characterised in that the coating thickened area
(2) and sheet resistance transition region (3) are metal Zn coating.
4. a kind of zinc-plated High-sheet-resistancaluminum aluminum membrane of thickening layer according to claim 1, it is characterised in that the high square resistance area (4)
Sheet resistance is 60 Ω/ or so.
5. a kind of zinc-plated High-sheet-resistancaluminum aluminum membrane of thickening layer according to claim 1, it is characterised in that the coating thickened area
(2) sheet resistance is 5 Ω/ or so.
6. a kind of zinc-plated High-sheet-resistancaluminum aluminum membrane of thickening layer according to claim 1, it is characterised in that the sheet resistance transition region
(3) coating thickness sheet resistance is 10 Ω/ or so, and coating thinnest part sheet resistance is 45 Ω/ or so.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347335.9A CN108550464A (en) | 2018-04-18 | 2018-04-18 | A kind of High-sheet-resistancaluminum aluminum membrane that thickening layer is zinc-plated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347335.9A CN108550464A (en) | 2018-04-18 | 2018-04-18 | A kind of High-sheet-resistancaluminum aluminum membrane that thickening layer is zinc-plated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108550464A true CN108550464A (en) | 2018-09-18 |
Family
ID=63515211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810347335.9A Withdrawn CN108550464A (en) | 2018-04-18 | 2018-04-18 | A kind of High-sheet-resistancaluminum aluminum membrane that thickening layer is zinc-plated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108550464A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1753114A (en) * | 2004-09-22 | 2006-03-29 | 安徽铜峰电子股份有限公司 | Gradual changing square resistance metallic film and capacitor containing said metallic film |
| CN201725684U (en) * | 2010-07-01 | 2011-01-26 | 安徽湖滨电子科技有限公司 | Peak shape plating metallized coating film |
| CN201829351U (en) * | 2010-10-30 | 2011-05-11 | 安徽铜峰电子股份有限公司 | Ultrahigh square-resistance metallized film |
-
2018
- 2018-04-18 CN CN201810347335.9A patent/CN108550464A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1753114A (en) * | 2004-09-22 | 2006-03-29 | 安徽铜峰电子股份有限公司 | Gradual changing square resistance metallic film and capacitor containing said metallic film |
| CN201725684U (en) * | 2010-07-01 | 2011-01-26 | 安徽湖滨电子科技有限公司 | Peak shape plating metallized coating film |
| CN201829351U (en) * | 2010-10-30 | 2011-05-11 | 安徽铜峰电子股份有限公司 | Ultrahigh square-resistance metallized film |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Application publication date: 20180918 |
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| WW01 | Invention patent application withdrawn after publication |