CN211181977U - Integrated multilayer ceramic capacitor tube core - Google Patents
Integrated multilayer ceramic capacitor tube core Download PDFInfo
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- CN211181977U CN211181977U CN201922378452.4U CN201922378452U CN211181977U CN 211181977 U CN211181977 U CN 211181977U CN 201922378452 U CN201922378452 U CN 201922378452U CN 211181977 U CN211181977 U CN 211181977U
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Abstract
The utility model discloses an integral type multilayer structure's ceramic dielectric capacitor tube core, this capacitor tube core are whole tubular structure, bottom, intermediate level and outer protective layer in being divided into on the capacitor tube core, the intermediate level rolls in turn for metal electrode thick liquids layer and dielectric ceramic thick liquids layer and scribbles constitution multilayer tubular structure. The utility model discloses on the manufacturing of multilayer ceramic dielectric capacitor tube core, broken through traditional ceramic diaphragm technology of convoluteing, and adopted metal electrode thick liquids and medium ceramic thick liquids to roll the coated tubular multilayer structure of formation many times in turn, solved effectively and convoluteed the inherent tail end of ceramic diaphragm technology and rolled up the trace problem, make multilayer ceramic dielectric capacitor tube core more approach just circular, be favorable to the accurate control of external diameter, overcome the layering defect that the product probably appears.
Description
Technical Field
The utility model belongs to the technical field of the condenser, concretely relates to integral type multilayer structure's porcelain dielectric capacitor tube core.
Background
At present, ceramic capacitors are widely used in electronic equipment, and ceramic feedthrough capacitors and filter connectors based on ceramic capacitors are applied to various complex anti-interference noise devices with excellent filter effect.A ceramic capacitor tube core is used as a core element of the ceramic feedthrough capacitors and filter connectors, and in order to solve the contradiction between the temperature stability and the large capacitance, a ceramic dielectric material with higher stability (such as X7R) is manufactured into a ceramic film by adopting a casting process, and a multilayer ceramic capacitor tube core (shown in figure 3) is manufactured by a winding process after a metal electrode with a specific pattern is printed on the ceramic film, wherein a and b are electrodes and c is a ceramic medium.
Disclosure of Invention
For overcoming above-mentioned not enough that exists, the utility model discloses an inventor is through long-term exploration attempt and many times experiment and effort, constantly reform transform and the innovation, the ceramic dielectric capacitor tube core of integral type multilayer structure has been proposed, can be applied to feedthrough condenser, feed-through filter, among multicore filtering contact pin and the filtering connector, also can directly install additional the end of drawing forth and become high stable condenser, be applied to in the instrument that has signal transmission, the instrument, it uses to do bypass filtering in the circuit that has signal transmission, its good temperature stability characteristic and higher capacitance value, make the application of this kind of product more reliable.
In order to realize the purpose, the utility model adopts the technical scheme that: the ceramic dielectric capacitor tube core with the integrated multilayer structure is provided, the capacitor tube core is of an integral tubular structure, the capacitor tube core is divided into an inner bottom layer, a middle layer and an outer protective layer, and the middle layer is a multilayer tubular structure formed by alternately roll-coating a metal electrode slurry layer and a dielectric ceramic slurry layer.
According to the utility model discloses an integral type multilayer structure's ceramic dielectric capacitor tube core, its further preferred technical scheme is: the bottom layer in the capacitor tube core is a medium slurry roller coating drying layer, and the outer protection layer is a medium slurry roller coating drying layer.
According to the utility model discloses an integral type multilayer structure's ceramic dielectric capacitor tube core, its further preferred technical scheme is: the middle of the capacitor tube core is provided with a ceramic medium, and two ends of the capacitor tube core are provided with electrodes.
According to the utility model discloses an integral type multilayer structure's ceramic dielectric capacitor tube core, its further preferred technical scheme is: the dielectric ceramic slurry layer adopts X7R or NPO dielectric ceramic material.
Compared with the prior art, the technical scheme of the utility model following beneficial effect has:
the utility model relates to a novel multilayer ceramic capacitor tube core, its two electrodes are drawn forth from the both ends of porcelain tube respectively, and the product surface is bright and clean slick and sly, and the surface does not have the vestige of any technology or material processing.
The utility model discloses on the manufacturing of multilayer ceramic dielectric capacitor tube core, broken through traditional ceramic diaphragm technology of convoluteing, and adopted metal electrode thick liquids and medium ceramic thick liquids to roll the coated tubular multilayer structure of formation many times in turn, solved effectively and convoluteed the inherent tail end of ceramic diaphragm technology and rolled up the trace problem, make multilayer ceramic dielectric capacitor tube core more approach just circular, be favorable to the accurate control of external diameter, overcome the layering defect that the product probably appears.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional structure diagram of the present invention.
Fig. 3 is a schematic diagram of a conventional product structure.
The labels in the figure are respectively: 1. ceramic medium, 2 electrodes, 3 metal electrode slurry layers and 4 dielectric ceramic slurry layers.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
Example (b):
as shown in fig. 1 and 2, this embodiment provides a ceramic dielectric capacitor tube core with an integrated multilayer structure, where the capacitor tube core is an integral tubular structure, the capacitor tube core is divided into an inner bottom layer, an intermediate layer and an outer protective layer, and the intermediate layer is a multilayer tubular structure formed by alternately roll-coating a metal electrode slurry layer 3 and a dielectric ceramic slurry layer 4, that is, a multilayer structure formed by alternately roll-coating electrode materials and dielectric materials for multiple times. The capacitor die thus forms a ceramic dielectric 1 in the middle and electrodes 2 at the ends. The bottom layer in the capacitor tube core is a medium slurry roller coating drying layer, and the outer protection layer is a medium slurry roller coating drying layer.
In this embodiment, the multilayer ceramic capacitor tube core described in this embodiment is prepared by using an X7R dielectric ceramic material and using existing processes such as slurry preparation, roll coating and drying of an inner bottom layer using dielectric slurry, alternate roll coating and drying of metal electrode slurry and dielectric ceramic slurry, roll coating and drying of an outer protective layer dielectric slurry, extraction of a central carrier tube, sintering, end grinding, silver coating, silver firing, measurement, and the like. In the actual design, the thickness of the dielectric film can be changed by adjusting the roll coating times of the dielectric ceramic material, so that the voltage resistance of the product is changed, and the thicker the dielectric film is, the higher the voltage resistance is; the capacitance of the product can be adjusted by changing the number of layers of the metal electrode, and the more the number of layers is, the larger the capacitance is. In this embodiment, the equipment adopted in the roll coating process is equipment developed by the company, and specifically, the roll coating process is completed by a silver machine by using the external electrode of the ceramic tube capacitor described in the publication No. CN 206921693U.
Compared with the prior art, the product of the embodiment has no rolling mark left by winding the ceramic membrane, the surface is smooth and has no rolling mark, and the surface has no process or material processing mark, so that the product is more attached to equipment in the actual installation process of the capacitor, the gap between elements is reduced as much as possible, and the overall performance of the equipment is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (4)
1. Integral type multilayer structure's ceramic dielectric capacitor tube core, its characterized in that: the capacitor tube core is of an integral tubular structure, the capacitor tube core is divided into an inner bottom layer, an intermediate layer and an outer protective layer, and the intermediate layer is of a multilayer tubular structure formed by alternately roll-coating a metal electrode slurry layer and a dielectric ceramic slurry layer.
2. A ceramic dielectric capacitor tube core of unitary multi-layer construction as claimed in claim 1 wherein the bottom layer within the capacitor tube core is a dielectric paste roll-on bake layer and the outer protective layer is a dielectric paste roll-on bake layer.
3. A ceramic dielectric capacitor die with an integral multilayer structure as claimed in claim 1, wherein the capacitor die has a ceramic dielectric in the middle and electrodes at both ends.
4. A monolithic multilayer ceramic capacitor die as set forth in claim 1 wherein the dielectric ceramic slurry layer is X7R or NPO dielectric ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922378452.4U CN211181977U (en) | 2019-12-26 | 2019-12-26 | Integrated multilayer ceramic capacitor tube core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922378452.4U CN211181977U (en) | 2019-12-26 | 2019-12-26 | Integrated multilayer ceramic capacitor tube core |
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| Publication Number | Publication Date |
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| CN211181977U true CN211181977U (en) | 2020-08-04 |
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| CN201922378452.4U Active CN211181977U (en) | 2019-12-26 | 2019-12-26 | Integrated multilayer ceramic capacitor tube core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159239A (en) * | 2020-09-28 | 2021-01-01 | 景德镇陶瓷大学 | Preparation method of roll type ceramic membrane support and ceramic membrane product thereof |
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2019
- 2019-12-26 CN CN201922378452.4U patent/CN211181977U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159239A (en) * | 2020-09-28 | 2021-01-01 | 景德镇陶瓷大学 | Preparation method of roll type ceramic membrane support and ceramic membrane product thereof |
| CN112159239B (en) * | 2020-09-28 | 2022-07-15 | 景德镇陶瓷大学 | Preparation method of roll-type ceramic membrane support and ceramic membrane product thereof |
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