CN103578755A - High-sheet-resistance metalized film for filter capacitor - Google Patents
High-sheet-resistance metalized film for filter capacitor Download PDFInfo
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- CN103578755A CN103578755A CN201310479776.1A CN201310479776A CN103578755A CN 103578755 A CN103578755 A CN 103578755A CN 201310479776 A CN201310479776 A CN 201310479776A CN 103578755 A CN103578755 A CN 103578755A
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Abstract
The invention discloses a high-sheet-resistance metalized film for a filter capacitor, and relates to the technical field of capacitors. The high-sheet-resistance metalized film comprises a base film. A metal coating is arranged on the base film. A blank edge with a certain width is reserved at the end edge, in the width direction of the base film, of the metal coating. An edge thickening zone with a certain width is formed at the other end edge, in the width direction of the base film, of the metal coating. A non-thickening zone is arranged between the edge thickening zone and the blank edge. The sheet resistance of the edge thickening zone ranges from 2 ohms per square to 4 ohms per square, and the sheet resistance of the non-thickening zone ranges from 6 ohms per square to 65 ohms per square. The high-sheet-resistance metalized film has the advantages, not possessed by multiple common metalized films, of being good in self-healing performance, stable in performance, high in dielectric strength, not prone to being punctured and low production cost, and is widely applied to manufacturing various capacitors, and the service life of a metalized film capacitor is prolonged.
Description
Technical field
The present invention relates to capacitor technology field, be specifically related to a kind of filtering capacitor high square resistance metalized film.
Background technology
Film capacitor is a kind of capacitor of superior performance, and it has following key property: nonpolarity, insulation impedance is very high, and frequency characteristic is excellent, and dielectric loss is very little, and volume low capacity is large.Therefore, film capacitor has purposes comparatively widely, can form different series of products, as high specific energy energy storage capacitor, anti-electromagnetic interference capacitor, radioresistance capacitor, safety film capacitor, long-life capacitor, high-reliability electrical container, All-film H.V.Capacitors etc.Along with complete electronic set is to digitlization, high frequency, multifunction and to the future development such as thin, light, little, portable, capacitor is, performance excellent, price lower future development little to volume inevitably.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of self-healing property good, the filtering capacitor of long service life high square resistance metalized film.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of filtering capacitor high square resistance metalized film, comprise basement membrane, on described basement membrane, be provided with the coat of metal, the described coat of metal stays limit along limit, an one end blank with one fixed width of reservation of basement membrane Width, the described coat of metal forms the thickened area, edge with one fixed width along the other end limit of basement membrane Width, it is non-thickened area that thickened area, described edge and blank are stayed between limit, and the sheet resistance of thickened area, described edge is 2-4 Ω/, and the sheet resistance of described non-thickened area is 6-65 Ω/.
Described non-thickened area consists of mesozone and marginal zone, and described marginal zone is positioned at the side that blank is stayed limit.
The sheet resistance of described mesozone is 20-30 Ω/.
The sheet resistance of described marginal zone is 50-65 Ω/.
The thickness of the described coat of metal stays border area to successively decrease from thickened area to blank.
The invention has the beneficial effects as follows: the present invention has advantages of that self-healing property is good, stable performance, dielectric strength are high, be difficult for puncturing, production cost is low etc., and many common metal films do not have, be widely used in the manufacture of all kinds of capacitors, improved metallic film capacitor useful life ，Jiang China capacitor and manufacturing process technology level and the product quality of relevant extension product pushed a new level to.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1, a kind of filtering capacitor high square resistance metalized film, comprise basement membrane 10, on basement membrane 10, be provided with the coat of metal 20, the coat of metal 20 stays limit 201 along limit, an one end blank with one fixed width of reservation of basement membrane 10 Widths, the coat of metal 20 forms the thickened area, edge 202 with one fixed width along the other end limit of basement membrane 10 Widths, it is non-thickened area 203 that thickened area, edge 202 and blank are stayed between limit 201, the sheet resistance of thickened area, edge 202 is 2-4 Ω/, and the sheet resistance of non-thickened area 203 is 6-65 Ω/.204He marginal zone, 203You mesozone, non-thickened area 205 forms, and marginal zone 205 is positioned at the side that blank is stayed limit 201, and the sheet resistance of mesozone 204 is 20-30 Ω/, and the sheet resistance of marginal zone 205 is 50-65 Ω/.
Behaviour area sheet resistance value is from Dao Liu limit, edge, thickened area and increases progressively trend design, the thickness of the coat of metal stays border area to successively decrease from thickened area to blank.The electric current distribution of behaviour area sheet resistance and capacitor adapt (screen band place capacitor electrode current density is little, and sheet resistance great ， thickened area edge capacitor electrode current density is large, and sheet resistance is little).In the little region of current density, adopt and hand over thin coating (sheet resistance is large), the region large due to current density adopts compared with thick coating (sheet resistance is little), if while having fault to produce with the capacitor that gradual change high square resistance metalized film is made, the first self-healing of high square resistance place metal level, capacitors self-healing performance and withstand voltage properties are improved.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. a filtering capacitor high square resistance metalized film, it is characterized in that: comprise basement membrane, on described basement membrane, be provided with the coat of metal, the described coat of metal stays limit along limit, an one end blank with one fixed width of reservation of basement membrane Width, the described coat of metal forms the thickened area, edge with one fixed width along the other end limit of basement membrane Width, it is non-thickened area that thickened area, described edge and blank are stayed between limit, the sheet resistance of thickened area, described edge is 2-4 Ω/, and the sheet resistance of described non-thickened area is 6-65 Ω/.
2. filtering capacitor according to claim 1 high square resistance metalized film, is characterized in that: described non-thickened area consists of mesozone and marginal zone, and described marginal zone is positioned at the side that blank is stayed limit.
3. filtering capacitor according to claim 2 high square resistance metalized film, is characterized in that: the sheet resistance of described mesozone is 20-30 Ω/.
4. filtering capacitor according to claim 2 high square resistance metalized film, is characterized in that: the sheet resistance of described marginal zone is 50-65 Ω/.
5. filtering capacitor according to claim 1 high square resistance metalized film, is characterized in that: the thickness of the described coat of metal stays border area to successively decrease from thickened area to blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310479776.1A CN103578755A (en) | 2013-10-15 | 2013-10-15 | High-sheet-resistance metalized film for filter capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310479776.1A CN103578755A (en) | 2013-10-15 | 2013-10-15 | High-sheet-resistance metalized film for filter capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103578755A true CN103578755A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310479776.1A Pending CN103578755A (en) | 2013-10-15 | 2013-10-15 | High-sheet-resistance metalized film for filter capacitor |
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| CN (1) | CN103578755A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319099A (en) * | 2014-10-31 | 2015-01-28 | 东丽薄膜加工（中山）有限公司 | Metallized film, manufacturing method and device of metallized film and capacitor |
| CN106519470A (en) * | 2016-10-26 | 2017-03-22 | 安徽飞达电气科技有限公司 | Base film for high-square resistance metallized film of filter capacitor and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06290990A (en) * | 1993-04-05 | 1994-10-18 | Toray Ind Inc | Metallized polypropylene film for capacitor |
| US5757607A (en) * | 1996-02-09 | 1998-05-26 | Icar S.P.A.-Industria-Condensatori Applicazioni Elettroelettroniche | Metallized dielectric film of variable resistance and relative capacitor |
| 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 |
| CN201877292U (en) * | 2010-09-17 | 2011-06-22 | 安徽省宁国市海伟电子有限公司 | Thin film capacitor provided with metallized thin film coating |
| CN102290232A (en) * | 2011-06-03 | 2011-12-21 | 南通江海电容器股份有限公司 | Metallic thin film for thin film capacitor and manufacturing method thereof |
| CN102796985A (en) * | 2012-09-04 | 2012-11-28 | 安徽赛福电子有限公司 | Metallic coating, coating machine and technology for evaporating metallic coating |
-
2013
- 2013-10-15 CN CN201310479776.1A patent/CN103578755A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06290990A (en) * | 1993-04-05 | 1994-10-18 | Toray Ind Inc | Metallized polypropylene film for capacitor |
| US5757607A (en) * | 1996-02-09 | 1998-05-26 | Icar S.P.A.-Industria-Condensatori Applicazioni Elettroelettroniche | Metallized dielectric film of variable resistance and relative capacitor |
| 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 |
| CN201877292U (en) * | 2010-09-17 | 2011-06-22 | 安徽省宁国市海伟电子有限公司 | Thin film capacitor provided with metallized thin film coating |
| CN102290232A (en) * | 2011-06-03 | 2011-12-21 | 南通江海电容器股份有限公司 | Metallic thin film for thin film capacitor and manufacturing method thereof |
| CN102796985A (en) * | 2012-09-04 | 2012-11-28 | 安徽赛福电子有限公司 | Metallic coating, coating machine and technology for evaporating metallic coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319099A (en) * | 2014-10-31 | 2015-01-28 | 东丽薄膜加工（中山）有限公司 | Metallized film, manufacturing method and device of metallized film and capacitor |
| CN106519470A (en) * | 2016-10-26 | 2017-03-22 | 安徽飞达电气科技有限公司 | Base film for high-square resistance metallized film of filter capacitor and preparation method thereof |
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Application publication date: 20140212 |