CN205016384U - Metallized film of metallization electrode layer thickness piggyback control - Google Patents
Metallized film of metallization electrode layer thickness piggyback control Download PDFInfo
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- CN205016384U CN205016384U CN201520777644.1U CN201520777644U CN205016384U CN 205016384 U CN205016384 U CN 205016384U CN 201520777644 U CN201520777644 U CN 201520777644U CN 205016384 U CN205016384 U CN 205016384U
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Abstract
The utility model discloses a metallized film of metallization electrode layer thickness piggyback control, including organic thin film and the metallization electrode layer that forms behind the coating by vaporization metal of organic thin film surface, one side edge on organic thin film surface is equipped with not coating by vaporization the limit is stayed to the blank of metallization electrode layer, the metallization electrode layer thickness from with the relative one side edge in limit is stayed at the beginning extremely to the blank the blank stays that be the linearity till the inward flange on limit or ladder nature is steadilyd decrease, the thickness of metallization electrode layer is between 0.3nm-30nm. The utility model discloses in, the thickness of metallization electrode layer adopts homogeneity or the design of the degressive mode of ladder nature, has realized dividing the purpose of the regional metallized film of change characteristic according to the application demand of the condenser by the production of this metallized film, adopt this metallized film convolute production the condenser have higher proof voltage ability.
Description
Technical field
The utility model relates to a kind of metallized film, particularly relates to a kind of metallized film of metallic electrode layer thickness Discrete control.
Background technology
At present, the thickness of the metallised electrode layer (also claiming metal layer) on metallized film is generally fixed value and thickness is even, when the metallized film of this structure is applied to organic film condenser production, if metallised electrode layer is thinner, in the region that metallised electrode layer surface current density is larger, caloric value is comparatively large, and capacitor internal temperature is too high easily occurs thermal failure; If metallised electrode layer is thicker, then the self-healing ability of metallized film can be caused poor, when capacitor bears pulse voltage, easily occur voltage breakdown phenomenon.
Utility model content
The purpose of this utility model is just the metallized film providing a kind of metallic electrode layer thickness Discrete control in order to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of metallized film of metallic electrode layer thickness Discrete control, the metallised electrode layer comprising organic film and formed after the evaporation metal of described organic film surface, the blank that the lateral edges on described organic film surface is provided with metallised electrode layer described in non-evaporation stays limit; The thickness of described metallised electrode layer from the edge, one side staying limit relative with described blank to the inward flange that described blank stays limit linearly or stepsly to successively decrease, the thickness of described metallised electrode layer is between 0.3nm ~ 30nm.
In said structure, the thickness of metallised electrode layer adopts the linear or steps patten's design successively decreased, the electrode surface electric current distribution rule according to organic film condenser can be realized, the region larger in current density adopts thicker metallised electrode layer, improve this regional metal polarizing electrode layer withstanding current capability, the region less in current density adopts thinner metallised electrode layer, keeps the self-healing feature that metallized organic film is good, improves capacitor product proof voltage ability.
As preferably, the thickness of described metallised electrode layer from the edge staying limit relative with described blank to the inward flange that described blank stays limit in steps successively decreasing time, its ladder progression is between 2 ~ 20; Described organic film is polypropylene, polyphenylene sulfide, polyester, polystyrene or Merlon and its thickness is 1 μm ~ 25 μm.
The beneficial effects of the utility model are:
In the utility model, the thickness of metallised electrode layer adopts the linear or steps patten's design successively decreased, and achieves the object changing metallized film characteristic according to the application demand subregion by the capacitor of this metallization film production; the metallized film of two volume metallic electrode layer thickness Discrete control is adopted to reel, during winding, double-layer metallization film to contact with the non-metallic electrode layer surface of other thin film according to the metallised electrode layer surface of thin film and two blank of enclosing film stay limit end to carry out overlap in the mode of different directions, two volume films stay one end, limit relative movement one segment distance to form misalignment to respective non-blank-white again, adopt the capacitor reeled in this way, the region that the metallic electrode layer thickness of metallized film is thicker is positioned at the larger fuse termination of current density, the region of metallised electrode layer thinner thickness is positioned at the less other one end of current density, lower by caloric value during capacitor at electric current, and the thin metallised electrode layer area coincidence of the thick metallic electrode layer region of layer of metal film and another layer of metallized film, thickness and the value of the metallised electrode layer of upper and lower double-layer metallization film are in a metastable level all the time, the self-healing ability of metallized film is better, capacitor has higher proof voltage ability.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the metallized film of metal layer thickness Discrete control described in the utility model;
Fig. 2 is one of A-A cutaway view Amplified image in Fig. 1;
Fig. 3 is the A-A cutaway view Amplified image two in Fig. 1;
One of sectional structure schematic diagram when Fig. 4 is the metallized film winding of two volumes metal layer thickness Discrete control described in the utility model;
Sectional structure schematic diagram two when Fig. 5 is the metallized film winding of two volumes metal layer thickness Discrete control described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, Figure 2 and Figure 3, the metallised electrode layer 2 that the metallized film of metallic electrode layer thickness Discrete control described in the utility model comprises organic film 1 and formed after the surperficial evaporation metal of organic film 1, organic film 1 is for polypropylene, polyphenylene sulfide, polyester, polystyrene or Merlon and its thickness is 1 μm ~ 25 μm, and the blank that the lateral edges on organic film 1 surface is provided with non-evaporation metal polarizing electrode layer 2 stays limit 3; The thickness of metallised electrode layer 2 from the edge, one side staying limit 3 relative with blank to the inward flange that blank stays limit 3 linearly or stepsly to successively decrease, wherein Figure 2 shows that linear decrease, Figure 3 shows that steps successively decrease and its ladder progression between 2 ~ 20, the thickness of metallised electrode layer 2 is between 0.3nm ~ 30nm.
Fig. 4 and Fig. 5 is the sectional structure schematic diagram that the metallized film of employing two volume metallic electrode layer thickness Discrete control carries out reeling, wherein the thickness of the metallised electrode layer 2 of the two volume metallized films 4 of Fig. 4 linearly successively decreases from the edge, one side staying limit 3 relative with blank to the inward flange that blank stays limit 3, the thickness of the metallised electrode layer 2 of the two volume metallized films 5 of Fig. 5 successively decreases in steps from the edge, one side staying limit 3 relative with blank to the inward flange that blank stays limit 3, winding principle and the effect of the metallized film of this two type are consistent, below its winding principle and effect are described.
Composition graphs 1-Fig. 5, the metallized film of two volume metallic electrode layer thickness Discrete control is adopted to reel, during winding, two volume metallized films to contact with the non-metallic electrode layer surface of other thin film according to metallised electrode layer 2 surface of thin film and the blank of two volume films stays one end, limit 3 to carry out overlap in the mode of different directions, two volume films stay one end, limit relative movement one segment distance to form misalignment to respective non-blank-white again, adopt the capacitor reeled in this way, the region that the thickness of the metallised electrode layer 2 of metallized film is thicker is positioned at the larger fuse termination of current density, the region of the thinner thickness of metallised electrode layer 2 is positioned at the less other one end of current density, lower by caloric value during capacitor at electric current, and the thin metallised electrode layer area coincidence of the thick metallic electrode layer region of layer of metal film and another layer of metallized film, thickness and the value of the metallised electrode layer 2 of upper and lower double-layer metallization film are in a metastable level all the time, the self-healing ability of metallized film is better, capacitor has higher proof voltage ability.
Above-described embodiment is preferred embodiment of the present utility model; it is not the restriction to technical solutions of the utility model; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of the utility model patent.
Claims (3)
1. the metallized film of a metallic electrode layer thickness Discrete control, the metallised electrode layer comprising organic film and formed after the evaporation metal of described organic film surface, the blank that the lateral edges on described organic film surface is provided with metallised electrode layer described in non-evaporation stays limit; It is characterized in that: the thickness of described metallised electrode layer from the edge staying limit relative with described blank to the inward flange that described blank stays limit linearly or stepsly to successively decrease, the thickness of described metallised electrode layer is between 0.3nm ~ 30nm.
2. the metallized film of metallic electrode layer thickness Discrete control according to claim 1, it is characterized in that: the thickness of described metallised electrode layer from the edge staying limit relative with described blank to the inward flange that described blank stays limit in steps successively decreasing time, its ladder progression is between 2 ~ 20.
3. the metallized film of metallic electrode layer thickness Discrete control according to claim 1 and 2, is characterized in that: described organic film is polypropylene, polyphenylene sulfide, polyester, polystyrene or Merlon and its thickness is 1 μm ~ 25 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777644.1U CN205016384U (en) | 2015-10-09 | 2015-10-09 | Metallized film of metallization electrode layer thickness piggyback control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777644.1U CN205016384U (en) | 2015-10-09 | 2015-10-09 | Metallized film of metallization electrode layer thickness piggyback control |
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| CN205016384U true CN205016384U (en) | 2016-02-03 |
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| CN201520777644.1U Active CN205016384U (en) | 2015-10-09 | 2015-10-09 | Metallized film of metallization electrode layer thickness piggyback control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112366081A (en) * | 2020-09-24 | 2021-02-12 | 铜陵市超越电子有限公司 | Inclined plane type metallized film and preparation device and processing method thereof |
-
2015
- 2015-10-09 CN CN201520777644.1U patent/CN205016384U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112366081A (en) * | 2020-09-24 | 2021-02-12 | 铜陵市超越电子有限公司 | Inclined plane type metallized film and preparation device and processing method thereof |
| CN112366081B (en) * | 2020-09-24 | 2022-05-27 | 铜陵市超越电子有限公司 | Inclined-plane type metallized film and preparation device and processing method thereof |
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