CN107221431A - Multilayer ceramic capacitor - Google Patents
Multilayer ceramic capacitor Download PDFInfo
- Publication number
- CN107221431A CN107221431A CN201710405446.6A CN201710405446A CN107221431A CN 107221431 A CN107221431 A CN 107221431A CN 201710405446 A CN201710405446 A CN 201710405446A CN 107221431 A CN107221431 A CN 107221431A
- Authority
- CN
- China
- Prior art keywords
- electrode
- face
- auxiliary electrode
- auxiliary
- multilayer ceramic
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/012—Form of non-self-supporting electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
Abstract
The present invention relates to a kind of multilayer ceramic capacitor.A kind of multilayer ceramic capacitor, including ceramic body, the first termination electrode and the second termination electrode；Ceramic body includes the dielectric layer of multiple stackings, interior electrode is provided between two adjacent dielectric layers, ceramic body has forms first end face, second end face, first side and second side by the side of the dielectric layer of multiple stackings, first end face is oppositely arranged with second end face, and first side is oppositely arranged with second side；First termination electrode is located at first end face and covering first side and second side part surface, and the second termination electrode is located at second end face and covering first side and second side part surface；Interior electrode includes electrode, the second inner electrode, the first auxiliary electrode and the second auxiliary electrode in first, and electrode is electrically connected with the first termination electrode in first, and second electrode and electrode in first are alternately laminated and are electrically connected with the second termination electrode.Above-mentioned multilayer ceramic capacitor is convenient to be finely adjusted to capacitance.
Description
Technical field
The present invention relates to field of electrical components, more particularly, to a kind of multilayer ceramic capacitor.
Background technology
Conventional multilayer ceramic capacitor includes the ceramic body of cuboid and is arranged at two of ceramic body opposite end
Termination electrode.Ceramic body includes multiple inner electrode layers that are alternately laminated and being connected respectively to the different termination electrode of polarity and multiple points
The dielectric layer between the inner electrode layer of dissimilar polarities is not laminated in.The phase generally rectangular in shape and adjacent of inner electrode layer
The inner electrode layer of heteropolarity forms certain facing area to produce capacity.
When capacitance required precision is higher, for example error level be A grades (± 0.05pF), B grades (± 0.1pF), F grades
(± 1%), G grades (± 2%), the capacitance qualification rate of conventional multilayer ceramic capacitor is typically relatively low, causes production cost to increase
Plus.
The content of the invention
Based on this, it is necessary to provide the multilayer ceramic capacitor that a kind of convenience is finely adjusted to capacitance.
A kind of multilayer ceramic capacitor, including ceramic body, the first termination electrode and the second termination electrode；The ceramic body includes many
Interior electrode is provided between the dielectric layer of individual stacking, two adjacent dielectric layers, the ceramic body has by the multiple stacking
First end face, second end face, first side and second side that the side of dielectric layer is formed, the first end face and described second
End face is oppositely arranged, and the first side is oppositely arranged with the second side；First termination electrode is located at the first end
Face and the covering first side and second side part surface, second termination electrode are located at the second end face and covering institute
State first side and second side part surface；The interior electrode includes electrode, the second inner electrode, the first auxiliary electrode in first
And second auxiliary electrode, electrode is electrically connected with first termination electrode in described first, the second inner electrode and described first
Interior electrode is alternately laminated and is electrically connected with second termination electrode；First auxiliary electrode and the first side and described the
At least one portion in two side faces concordantly forms first and draws side, described first draw between side and the second end face away from
From more than the half with a distance from the first end face and second end face；Second auxiliary electrode and the first side and described
At least one portion in second side concordantly forms second and draws side, and described second draws between side and the first end face
Distance is more than the half of the distance of the first end face and second end face.
Above-mentioned multilayer ceramic capacitor, by setting the first auxiliary electrode and the second auxiliary electrode, the first auxiliary electrode with
At least one portion in first side and second side concordantly forms first and draws side, the second auxiliary electrode and first side and
At least one portion in second side concordantly forms second and draws side, and the first termination electrode is located at the first end face and covering the
One side and second side part surface, the second termination electrode are located at second end face and covering first side and second side part table
Face, in this way, when preparing termination electrode by infusion process, the distance that control termination electrode extends in first side and second side can be with
The first termination electrode is contacted or is not contacted with the first extraction side, the second termination electrode is contacted or is not contacted with the second extraction side, such as
This control first termination electrode whether electrically connect with the first auxiliary electrode, control the second termination electrode electrically connected with the second auxiliary electrode and
No, capacitance that can be more neatly to multilayer ceramic capacitor in preparation process is finely adjusted, and improves multi-layer ceramics electricity
Capacity of condenser hit rate, so as to save production cost.
In one of the embodiments, in described first electrode from the first end face along the surface of the dielectric layer to institute
Second end face extension is stated, and gap is formed between the second end face.
In one of the embodiments, the second inner electrode from the second end face along the surface of the dielectric layer to institute
First end face extension is stated, and gap is formed between the first end face.
In one of the embodiments, first auxiliary electrode is formed at different media from second auxiliary electrode
The surface of layer.
In one of the embodiments, positive throwing of first auxiliary electrode in the plane where second auxiliary electrode
Shadow is overlapping with the second auxiliary electrode part.
In one of the embodiments, the interior electrode also includes the 3rd auxiliary electrode and the 4th auxiliary electrode, described the
Three auxiliary electrodes are located in described first between electrode and the second inner electrode, the 3rd auxiliary electrode and the first side and
At least one portion in the second side concordantly forms the 3rd and draws side, the described 3rd draw side and the second end face it
Between distance be more than the first end face and second end face distance half, the described 3rd draw side and the first end face it
Between distance be more than described first and draw the distance between side and described first end face；4th auxiliary electrode is located at described the
In one between electrode and the second inner electrode, in the 4th auxiliary electrode and the first side and the second side at least
Side is drawn in one flush with portions formation the 4th, and the described 4th gap drawn between side and the second end face is more than described second
The distance between side and described second end face are drawn, the described 4th draws the distance between side and described first end face more than described
The half of the distance of first end face and second end face.
In one of the embodiments, first auxiliary electrode, second auxiliary electrode, the 3rd auxiliary electrode
And the 4th auxiliary electrode is formed at the surface of different dielectric layers.
In one of the embodiments, first auxiliary electrode, second auxiliary electrode, the 3rd auxiliary electrode
And the 4th auxiliary electrode is formed at the surface of same dielectric layer.
In one of the embodiments, first auxiliary electrode and second auxiliary electrode are formed at same dielectric layer
Surface, first auxiliary electrode and second auxiliary electrode separately, first auxiliary electrode and described second auxiliary
Help electrode not overlapping and spaced in the orthographic projection of the first side.
In one of the embodiments, first auxiliary electrode and second auxiliary electrode are formed at same dielectric layer
Surface, gap, first auxiliary electrode and institute are formed between first auxiliary electrode and second auxiliary electrode
The orthographic projection that the second auxiliary electrode is stated in the first side is least partially overlapped.
Brief description of the drawings
Fig. 1 is the structural representation of the multilayer ceramic capacitor of an embodiment；
Fig. 2 is the part-structure schematic diagram of Fig. 1 multilayer ceramic capacitor；
Fig. 3 is another part structural representation of Fig. 1 multilayer ceramic capacitor；
Fig. 4 is another part structural representation of Fig. 1 multilayer ceramic capacitor；
Fig. 5 is another part structural representation of Fig. 1 multilayer ceramic capacitor；
Fig. 6 is the profile of Fig. 1 multilayer ceramic capacitor；
Fig. 7 is the structural representation of the multilayer ceramic capacitor of another embodiment；
Fig. 8 is the part-structure schematic diagram of Fig. 7 multilayer ceramic capacitor；
Fig. 9 is another part structural representation of Fig. 7 multilayer ceramic capacitor；
Figure 10 is another part structural representation of Fig. 7 multilayer ceramic capacitor；
Figure 11 is another part structural representation of Fig. 7 multilayer ceramic capacitor；
Figure 12 is the profile of Fig. 7 multilayer ceramic capacitor；
Figure 13 is the part-structure schematic diagram of the multilayer ceramic capacitor of another embodiment；
Figure 14 is the profile of Figure 13 multilayer ceramic capacitor；
Figure 15 is the part-structure schematic diagram of the multilayer ceramic capacitor of another embodiment；
Figure 16 is the profile of Figure 15 multilayer ceramic capacitor；
Figure 17 is the part-structure schematic diagram of the multilayer ceramic capacitor of another embodiment；
Figure 18 is the profile of Figure 17 multilayer ceramic capacitor.
Embodiment
Multilayer ceramic capacitor is described in further detail mainly in combination with accompanying drawing below.
Please refer to Fig. 1 to Fig. 6, the multilayer ceramic capacitor 100 of an embodiment includes ceramic body 110, first end
The termination electrode 150 of electrode 130 and second.
Ceramic body 110 is cuboid, in the illustrated embodiment, the substantially cuboid of ceramic body 110, certainly, at it
In his embodiment, ceramic body 110 can also be square.
Ceramic body 110 includes the dielectric layer 112 of multiple stackings.In the illustrated embodiment, dielectric layer 112 is rectangular sheet
Shape, multiple dielectric layers 112 are stacked gradually.Ceramic body 110 has first end face 113, second end face 114, first side 115 and the
Two side faces 116.First end face 113 is oppositely arranged with second end face 114, and first side 115 is oppositely arranged with second side 116.
First end face 113, second end face 114, first side 115 and second side 116 by the dielectric layer 112 of multiple stackings side
Composition, the surface for being laminated in the top and nethermost dielectric layer is respectively that the top surface (figure is not marked) of ceramic body 110 and bottom surface (are schemed
Do not mark).
Interior electrode is provided between adjacent dielectric layer 112.Interior electrode includes electrode 1171, the second inner electrode in first
1172nd, the first auxiliary electrode 1173 and the second auxiliary electrode 1174.Electrode 1171 and the alternating layer of the second inner electrode 1172 in first
It is folded.In the illustrated embodiment, the first auxiliary electrode 1173 and the second auxiliary electrode 1174 are located at electrode and second in first
Between interior electrode 1172.
In the illustrated embodiment, electrode 1171 is substantially rectangular in first, is located at first end face from dielectric layer 112
Surface of 113 one end along dielectric layer 112 extends to the direction close to second end face 114, and with second end face 114 separately.
Electrode 1171 is each formed with interval with first side 115 and second side 116 in first.One end of electrode 1171 and the in first
End face 113 concordantly forms and draws side.
In the illustrated embodiment, the second inner electrode 1172 is substantially rectangular, is located at second end face from dielectric layer 112
Surface of 114 one end along dielectric layer 112 extends to the direction close to first end face 113, and with first end face 113 separately.
Electrode 1171 and first side 115 and second side 116 be separately in first.One end of electrode 1171 and the second end in first
Face 114 concordantly forms and draws side.
In the illustrated embodiment, the first auxiliary electrode 1173 is substantially T-shaped, is formed at the surface of dielectric layer 112.The
One auxiliary electrode 1173 includes connecting portion (figure is not marked) and extension (figure is not marked).Connecting portion and first end face 113 separately, and
Connecting portion extends to second side 116 from first side 115, so that concordant with first side 115 and second side 116 form two
Individual the first relative extraction side.Extension extends from the lateral second end face 114 of one of connecting portion away from first end face 113, and prolongs
Extending portion and second end face 114, first side 115 and second side 116 are separately.
In the illustrated embodiment, first side is drawn for two, in other embodiments, first draws the quantity on side
It can be one.First quantity for drawing side is two, when the first auxiliary electrode 1173 passes through the first extraction side and first end electricity
When pole 130 is electrically connected, the reliability of connection can be increased.
First draws the distance of the distance between side and second end face 114 more than first end face 113 and second end face 114
Half.Second draws one that the distance between side and first end face 113 are more than the distance of first end face 113 and second end face 114
Half.
Having between first extraction side and first end face 113 between first spacing, with second end face 114 has between second
Away from.The first spacing herein refer to the first extraction side between one end of first end face 113 and first end face 113 away from
From the second spacing refers to the second extraction side close to the distance between one end of second end face 114 and second end face 114.
In the illustrated embodiment, the second auxiliary electrode 1174 is substantially T-shaped, is formed at the surface of dielectric layer 112.Figure
In the embodiment shown, the first auxiliary electrode 1173 is located at the surface of different dielectric layers 112 from the second auxiliary electrode 1174, and
The second inner electrode 1172 is additionally provided between first auxiliary electrode 1173 and the second auxiliary electrode 1174.Certainly in other embodiment
In, it is not limited to be provided with the second inner electrode 1172 between the first auxiliary electrode 1173 and the second auxiliary electrode 1174, can also be provided with
Electrode 1171 in first, can also be separated only by dielectric layer 112.
Second auxiliary electrode 1174 includes connecting portion (figure is not marked) and extension (figure is not marked).Connecting portion and second end face
114 separately, and connecting portion extends to second side 116 from first side 115, thus with first side 115 and second side
The second relative extraction sides of 116 concordant formation two.Extension is from the lateral first end face of one of connecting portion away from second end face 114
113 extensions, and extension and first end face 113, first side 115 and second side 116 are separately.
In the illustrated embodiment, second side is drawn for two, in other embodiments, second draws the quantity on side
It can be one.Second quantity for drawing side is two, when the second auxiliary electrode 1174 passes through the second extraction side and the second end electricity
When pole 150 is electrically connected, the reliability of connection can be increased.
Having between second extraction side and second end face 114 between the 3rd spacing, with first end face 113 has between the 4th
Away from.The 3rd spacing herein refer to the second extraction side between one end of second end face 114 and second end face 114 away from
From the 4th spacing refers to the second extraction side close to the distance between one end of first end face 113 and first end face 113.First
The 4th spacing is smaller than, the 3rd is smaller than the second spacing.
In the illustrated embodiment, projection of first auxiliary electrode 1173 in the plane where the second auxiliary electrode 1174
Partly overlapped with the second auxiliary electrode 1174.Certainly, in other embodiments, the first auxiliary electrode 1173 is in the second auxiliary electricity
The projection of plane where pole 1174 can also be completely not overlapping with the second auxiliary electrode 1174.
In the illustrated embodiment, the second spacing is more than the one of the distance between first end face 113 and second end face 114
Half, the 4th spacing is more than the half of the distance between first end face 113 and second end face 114.
First termination electrode 130 is located at first end face 113.Second termination electrode 150 is located at second end face 114.In the reality of diagram
Apply in mode, the part surface of the first termination electrode 130 covering first side 115 and second side 116, the second termination electrode 150 covers
The part surface of lid first side 115 and second side 116.Certainly, in the illustrated embodiment, the first termination electrode 130 and
Second termination electrode 150 is prepared by impregnating, therefore the first termination electrode 130 and the second termination electrode 150 are covered each by first end face
113 and the surface of second end face 114.
First termination electrode 130 passes through electrode 1171 in first and electrode in the extraction side and first of the formation of first end face 113
1171 electrical connections.Electricity in the extraction side and second that second termination electrode 150 passes through the second inner electrode 1172 and the formation of second end face 114
Pole 1172 is electrically connected.
In the illustrated embodiment, the first termination electrode 130 and the second termination electrode 150 are in the side of first side 115 and second
The extended distance in face 116 is respectively less than the half of the distance of first end face 113 and second end face 114, thus the first termination electrode 130 with
Second termination electrode 150 keeps insulation.
Above-mentioned multilayer ceramic capacitor 100, by setting the first auxiliary electrode 1173 and the second auxiliary electrode 1174, first
Auxiliary electrode 1173 is concordant with least one portion in first side 115 and second side 116 to form the first extraction side, second
Auxiliary electrode 1174 is concordant with least one portion in first side 115 and second side 116 to form the second extraction side, first
Termination electrode 130 is located at first end face 113 and covering first side 115 and the part surface of second side 116, the second termination electrode 150
Positioned at second end face 114 and covering first side 115 and the part surface of second side 116, in this way, preparing end electricity by infusion process
During pole, the distance that control termination electrode extends in first side 115 and second side 116 can make first end electrode 130 and first
Draw side contact or do not contact, the second termination electrode 150 is contacted or is not contacted with the second extraction side, so the first termination electrode of control
Whether 130 electrically connect with the first auxiliary electrode 1173, control the second termination electrode 150 electrically connected with the second auxiliary electrode 1174 and
No, capacitance that can be more neatly to multilayer ceramic capacitor in preparation process is finely adjusted, and improves multi-layer ceramics electricity
Capacity of condenser hit rate, so as to save production cost.
Please refer to Fig. 7~Figure 12, structure and the multi-layer ceramics electricity of the multilayer ceramic capacitor 200 of another embodiment
The structure of container 100 is roughly the same, and its difference is：The interior electrode of the ceramic body 210 of multilayer ceramic capacitor 200 includes first
Auxiliary electrode 2173, the second auxiliary electrode 2174, the 3rd auxiliary electrode 2175 and the 4th auxiliary electrode 2176.
In embodiment illustrated, the first auxiliary electrode 2173, the second auxiliary electrode 2174, the 3rd auxiliary electrode 2175 and
4th auxiliary electrode 2176 is located at the surface of different dielectric layers 212, and the first auxiliary electrode 2173, the second auxiliary electrode
2174th, electrode 2171 and the second inner electrode in first are additionally provided between the 3rd auxiliary electrode 2175 and the 4th auxiliary electrode 2176
At least one in 2172.Certainly in other embodiments, between the first auxiliary electrode 2173 and the second auxiliary electrode 2174
It is not limited to provided with electrode 2171 in first and at least one in the second inner electrode 2172, can also be only by dielectric layer 212
Separate.
The structure of first auxiliary electrode 2173 and the second auxiliary electrode 2174 and the first auxiliary of multilayer ceramic capacitor 100
The auxiliary electrode 1174 of electrode 1173 and second is roughly the same, and therefore not to repeat here.
In the illustrated embodiment, the 3rd auxiliary electrode 2175 is substantially T-shaped, is formed at the surface of dielectric layer 212.The
Three auxiliary electrodes 2175 include connecting portion (figure is not marked) and extension (figure is not marked).Connecting portion and first end face 213 separately, and
Connecting portion extends to second side 216 from first side 215, so that concordant with first side 215 and second side 216 form two
Individual the 3rd relative extraction side.Extension extends from the lateral second end face 214 of one of connecting portion away from first end face 213, and prolongs
Extending portion and first end face 213, first side 215 and second side 216 are separately.
In the illustrated embodiment, the 3rd side is drawn for two, in other embodiments, the 3rd draws the quantity on side
It can be one.3rd quantity for drawing side is two, when the 3rd auxiliary electrode 2175 passes through the 3rd extraction side and first end electricity
When pole 230 is electrically connected, the reliability of connection can be increased.
3rd draws the distance of the distance between side and second end face 214 more than first end face 213 and second end face 214
Half, the 3rd draw while with the distance between first end face 213 be more than first draw while and the distance between first end face 213.
Having between 3rd extraction side and first end face 213 between the 5th spacing, with second end face 214 has between the 6th
Away from.The 5th spacing herein refer to the 3rd extraction side between one end of first end face 213 and first end face 213 away from
From the 5th spacing refers to the 3rd extraction side close to the distance between one end of second end face 214 and second end face 214.
In the illustrated embodiment, the connecting portion of the 3rd auxiliary electrode 2175 is flat where the first auxiliary electrode 2173
The orthographic projection in face is not overlapping with the connecting portion of the first auxiliary electrode 2173.
In the illustrated embodiment, the 4th auxiliary electrode 2176 is substantially T-shaped, is formed at the surface of dielectric layer 212.
4th auxiliary electrode 2176 includes connecting portion (figure is not marked) and extension (figure is not marked).Connecting portion and second end face
214 separately, and connecting portion extends to second side 216 from first side 215, thus with first side 215 and second side
The 4th relative extraction sides of 216 concordant formation two.Extension is from the lateral first end face of one of connecting portion away from second end face 214
213 extensions, and extension and first end face 213, first side 215 and second side 216 are separately.
In the illustrated embodiment, the 4th side is drawn for two, in other embodiments, the 4th draws the quantity on side
It can be one.4th quantity for drawing side is two, when the 4th auxiliary electrode 2176 passes through the 4th extraction side and the second end electricity
When pole 250 is electrically connected, the reliability of connection can be increased.
4th draw gap between second end face 214 be more than second when drawing between second end face 214 away from
From the 4th draws the half that the distance between side and first end face 213 are more than the distance of first end face 213 and second end face 214.
Having between 4th extraction side and second end face 214 between the 7th spacing, with first end face 213 has between the 8th
Away from.The 7th spacing herein refer to the 4th extraction side between one end of second end face 214 and second end face 214 away from
From the 8th spacing refers to the 4th extraction side close to the distance between one end of first end face 213 and first end face 213.
In the illustrated embodiment, the connecting portion of the 4th auxiliary electrode 2176 is flat where the second auxiliary electrode 2174
The orthographic projection in face is not overlapping with the connecting portion of the second auxiliary electrode 2174.
In the illustrated embodiment, the 5th spacing is more than the first spacing, and the 5th is smaller than between the 4th spacing and the 8th
Away from；7th spacing is more than the 3rd spacing, and the 7th is smaller than the second spacing and the 6th spacing.
In the illustrated embodiment, the 6th spacing is more than the half of the distance of first end face 213 and second end face 214；
8th spacing is more than the half of the distance of first end face 213 and second end face 214.
In the illustrated embodiment, the first termination electrode 230 and the second termination electrode 250 are in the side of first side 215 and second
The extended distance in face 216 is respectively less than the half of the distance of first end face 213 and second end face 214, thus the first termination electrode 230 with
Second termination electrode 250 keeps insulation.
First termination electrode 230 is located at the part surface of first end face 213 and covering first side 215 and second side 216.
Second termination electrode 250 is located at the part surface of second end face 214 and covering first side 215 and second side 216.Certainly, exist
In embodiment illustrated, the first termination electrode 230 and the second termination electrode 250 are prepared by impregnating, therefore the first termination electrode 230
And second termination electrode 250 be covered each by the surface of first end face 213 and second end face 214.Therefore, can be with by the depth of dipping
The first termination electrode 230 and the second termination electrode 250 are controlled in the extended distance of first side 215 and second side 216, so as to control
Whether first termination electrode 230 is connected with the first auxiliary electrode 2173 and the 3rd auxiliary electrode 2175, the termination electrode 250 of control second with
Whether second auxiliary electrode 2174 and the 4th auxiliary electrode 2176 connect, so that the capacitance to multilayer ceramic capacitor is adjusted
It is whole, the structure without changing ceramic body 210.
Refer to Figure 13 and Figure 14, the structure and multi-layer ceramic capacitance of the multilayer ceramic capacitor 300 of another embodiment
The structure of device 100 is roughly the same, and its difference is：First auxiliary electrode 3173 and the second auxiliary electrode 3174 are formed at same
The surface of dielectric layer 312.
The one end of the extension of first auxiliary electrode 3173 away from first end face 313 and the extension of the second auxiliary electrode 3174
Portion is formed with gap between one end away from second end face 314, so that the first auxiliary electrode 3173 and the second auxiliary electrode 3174
Separately, and the first auxiliary electrode 3173 is not overlapping and mutual in the orthographic projection of first side 315 with the second auxiliary electrode 3174
Interval.
Refer to Figure 15 and Figure 16, the structure and multi-layer ceramic capacitance of the multilayer ceramic capacitor 400 of another embodiment
The structure of device 100 is roughly the same, and its difference is：First auxiliary electrode 4173 and the second auxiliary electrode 4174 are formed at same
The surface of dielectric layer 412.
First auxiliary electrode 4173 substantially L-type, including connecting portion and extension.Connecting portion is from first side 415 to
Two side faces 416 extend, and with second side 416 separately.Extension is vertically curved from the one end of connecting portion away from first side 415
Folding extension, and end and second end face 414 are separately.
The shape of second auxiliary electrode 4174 is roughly the same with the first auxiliary electrode 4173, and positioned at the first auxiliary electrode
4173 extension is close to the side of first side 415.Second auxiliary electrode 4174 substantially L-type, including connecting portion and extension
Portion.The end of the extension of second auxiliary electrode 4174 is concordant with the end of the extension of the first auxiliary electrode 4173.
First auxiliary electrode 4173 and the second auxiliary electrode 4174 partly overlap in the orthographic projection of first side 415.
Refer to Figure 17 and Figure 18, the structure and multi-layer ceramic capacitance of the multilayer ceramic capacitor 500 of another embodiment
The structure of device 200 is roughly the same, and its difference is：First auxiliary electrode 5173, the second auxiliary electrode 5174, the 3rd auxiliary electrode
5175 and the 4th auxiliary electrode 5176 be respectively positioned on the surface of same dielectric layer 512.
First auxiliary electrode 5173, the second auxiliary electrode 5174, the 3rd auxiliary electrode 5175 and the 4th auxiliary electrode 5176
The surface of same dielectric layer is respectively positioned on, and is not overlapped each other.
In the illustrated embodiment, the first auxiliary electrode 5173, the second auxiliary electrode 5174, the 3rd auxiliary electrode 5175
And the 4th auxiliary electrode 5176 be L-type, first draw while, second draw while, the 3rd draw while and the 4th draw while be one
It is individual.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of multilayer ceramic capacitor, it is characterised in that including ceramic body, the first termination electrode and the second termination electrode；The pottery
Porcelain body includes being provided with interior electrode between the dielectric layer of multiple stackings, two adjacent dielectric layers, and the ceramic body has by described
First end face, second end face, first side and second side that the side of the dielectric layer of multiple stackings is formed, the first end face
It is oppositely arranged with the second end face, the first side is oppositely arranged with the second side；First termination electrode is located at
The first end face and the covering first side and second side part surface, second termination electrode are located at second end
Face and the covering first side and second side part surface；The interior electrode includes electrode, the second inner electrode, the in first
One auxiliary electrode and the second auxiliary electrode, electrode is electrically connected with first termination electrode in described first, the second inner electrode
It is alternately laminated and electrically connected with second termination electrode with electrode in described first；First auxiliary electrode and first side
At least one portion in face and the second side concordantly forms first and draws side, and described first draws side and second end
The distance between face is more than the half of the distance of the first end face and second end face；Second auxiliary electrode and described first
At least one portion in side and the second side concordantly forms second and draws side, and described second draws side and described first
The distance between end face is more than the half of the distance of the first end face and second end face.
2. multilayer ceramic capacitor as claimed in claim 1, it is characterised in that electrode is from the first end face in described first
Extend along the surface of the dielectric layer to the second end face, and gap is formed between the second end face.
3. multilayer ceramic capacitor as claimed in claim 1, it is characterised in that the second inner electrode is from the second end face
Extend along the surface of the dielectric layer to the first end face, and gap is formed between the first end face.
4. multilayer ceramic capacitor as claimed in claim 1, it is characterised in that first auxiliary electrode and described second auxiliary
Electrode is helped to be formed at the surface of different dielectric layers.
5. multilayer ceramic capacitor as claimed in claim 4, it is characterised in that first auxiliary electrode is auxiliary described second
The orthographic projection of the plane helped where electrode is overlapping with the second auxiliary electrode part.
6. multilayer ceramic capacitor as claimed in claim 1, it is characterised in that the interior electrode also includes the 3rd auxiliary electrode
And the 4th auxiliary electrode, the 3rd auxiliary electrode is located in described first between electrode and the second inner electrode, and the described 3rd is auxiliary
Help electrode is concordant with least one portion in the first side and the second side to form the 3rd extraction side, the described 3rd
Draw the half that the distance between side and described second end face are more than the distance of the first end face and second end face, the described 3rd
Draw while with the distance between the first end face be more than described first draw while and the distance between the first end face；It is described
4th auxiliary electrode is located in described first between electrode and the second inner electrode, the 4th auxiliary electrode and the first side
And at least one portion in the second side concordantly forms the 4th and draws side, the described 4th draws side and the second end face
Between gap be more than described second and draw the distance between side and described second end face, the described 4th draws side and described first
The distance between end face is more than the half of the distance of the first end face and second end face.
7. multilayer ceramic capacitor as claimed in claim 6, it is characterised in that first auxiliary electrode, described second auxiliary
Electrode, the 3rd auxiliary electrode and the 4th auxiliary electrode is helped to be formed at the surface of different dielectric layers.
8. multilayer ceramic capacitor as claimed in claim 6, it is characterised in that first auxiliary electrode, described second auxiliary
Electrode, the 3rd auxiliary electrode and the 4th auxiliary electrode is helped to be formed at the surface of same dielectric layer.
9. multilayer ceramic capacitor as claimed in claim 1, it is characterised in that first auxiliary electrode and described second auxiliary
Help electrode to be formed at the surface of same dielectric layer, first auxiliary electrode with second auxiliary electrode separately, described the
One auxiliary electrode and second auxiliary electrode be not overlapping and spaced in the orthographic projection of the first side.
10. multilayer ceramic capacitor as claimed in claim 1, it is characterised in that first auxiliary electrode and described second
Auxiliary electrode is formed at the surface of same dielectric layer, between being formed between first auxiliary electrode and second auxiliary electrode
Gap, first auxiliary electrode and second auxiliary electrode are least partially overlapped in the orthographic projection of the first side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710405446.6A CN107221431B (en) | 2017-06-01 | 2017-06-01 | Multilayer ceramic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710405446.6A CN107221431B (en) | 2017-06-01 | 2017-06-01 | Multilayer ceramic capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107221431A true CN107221431A (en) | 2017-09-29 |
| CN107221431B CN107221431B (en) | 2019-06-21 |
Family
ID=59948433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710405446.6A Active CN107221431B (en) | 2017-06-01 | 2017-06-01 | Multilayer ceramic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107221431B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459402A (en) * | 2019-08-28 | 2019-11-15 | 广东风华高新科技股份有限公司 | A kind of multilayer ceramic capacitor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06163311A (en) * | 1992-11-26 | 1994-06-10 | Matsushita Electric Ind Co Ltd | Multilayered ceramic capacitor |
| CN1469402A (en) * | 2002-06-11 | 2004-01-21 | Tdk株式会社 | Multilayer feed-through capacitor |
| JP2014220520A (en) * | 2011-08-26 | 2014-11-20 | サムソン エレクトロ−メカニックス カンパニーリミテッド． | Multilayer ceramic capacitor |
| CN104576056A (en) * | 2013-10-29 | 2015-04-29 | 三星电机株式会社 | Multilayer ceramic capacitor and board having the same |
-
2017
- 2017-06-01 CN CN201710405446.6A patent/CN107221431B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06163311A (en) * | 1992-11-26 | 1994-06-10 | Matsushita Electric Ind Co Ltd | Multilayered ceramic capacitor |
| CN1469402A (en) * | 2002-06-11 | 2004-01-21 | Tdk株式会社 | Multilayer feed-through capacitor |
| JP2014220520A (en) * | 2011-08-26 | 2014-11-20 | サムソン エレクトロ−メカニックス カンパニーリミテッド． | Multilayer ceramic capacitor |
| CN104576056A (en) * | 2013-10-29 | 2015-04-29 | 三星电机株式会社 | Multilayer ceramic capacitor and board having the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459402A (en) * | 2019-08-28 | 2019-11-15 | 广东风华高新科技股份有限公司 | A kind of multilayer ceramic capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107221431B (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108735507B (en) | Multilayer ceramic capacitor and plate with multilayer ceramic capacitor | |
| CN102683017B (en) | Multilayer ceramic capacitor and the method manufacturing this multilayer ceramic capacitor | |
| JP4374041B2 (en) | Multilayer capacitor | |
| JP5730732B2 (en) | Multilayer ceramic capacitor and manufacturing method thereof | |
| CN105895369B (en) | Cascade capacitor | |
| KR20170135664A (en) | Multilayer ceramic capacitor | |
| CN105895372A (en) | Multilayer capacitor | |
| CN104678146B (en) | A kind of all solid state condenser divider of miniaturization based on glass ceramic condenser | |
| JP2016146469A (en) | Multilayer ceramic capacitor, mounting structure of multilayer ceramic capacitor, and taping electronic component series | |
| TWI395244B (en) | Lamellar stacked solid electrolytic condenser | |
| CN206471231U (en) | Multilayer capacitor with multiple terminal electrodes | |
| CN105453201A (en) | Dielectric film, film capacitor and electric device | |
| JPH11224829A (en) | High-voltage laminated capacitor | |
| CN101510463B (en) | Multilayer capacitor | |
| CN107221431B (en) | Multilayer ceramic capacitor | |
| JP5170066B2 (en) | Multilayer capacitor | |
| JP6111768B2 (en) | Feedthrough capacitor | |
| CN107240497B (en) | Ceramic capacitor | |
| JPH0955335A (en) | Laminated type through capacitor | |
| CN206991956U (en) | Ceramic body | |
| JP2014146754A (en) | Laminated through capacitor | |
| CN107808774A (en) | Electronic unit | |
| JP5652487B2 (en) | Multilayer ceramic capacitor | |
| KR100916480B1 (en) | Laminated ceramic capacitor | |
| CN207367787U (en) | Ceramic capacitor |
Legal Events
| 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |