CN106558401B - The shielding construction of product body inductor/transformer - Google Patents
The shielding construction of product body inductor/transformer Download PDFInfo
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- CN106558401B CN106558401B CN201510623714.2A CN201510623714A CN106558401B CN 106558401 B CN106558401 B CN 106558401B CN 201510623714 A CN201510623714 A CN 201510623714A CN 106558401 B CN106558401 B CN 106558401B
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Abstract
The present invention provides a kind of shielding construction of long-pending body inductor/transformer, is located at inductance element or the lower section of transformer element and the top of substrate, including multiple conductor elements, multiple interconnecting pieces, multiple perforation, second connecting portion and ground terminal.Each conductor element is made of base portion and multiple extensions, and extension is connected to base portion, and the number of extension is odd number, and the length of extension is successively decreased along two side directions of base portion.The base portion of conductor element is connected to each other by interconnecting piece by perforating, and ground terminal is connected to one of interconnecting piece.Extension with maximum length is connected to each other by second connecting portion by perforating.In addition, conductor element is made of the first conductor material, and interconnecting piece with second connecting portion by being made different from the conductor material of the first conductor material.
Description
Technical field
The present invention relates to a kind of shielding constructions, and more particularly to a kind of are suitable for applied to product body inductance and voltage device
Shielding construction.
Background technology
Generally, due to integrated circuit inductor/transformer element is set on silicon base, and therefore, integrated circuit electricity
Generated electromagnetic energy can be coupled to silicon base when sense/transformer element running, form silicon base and (Substrate is lost
Losses) so that quality factor (the Quality Factor of inductor/transformer；Q values；That is the ratio of energy storage and energy consumption) it reduces.
Theoretically, no base substrate loss can be ideally made to level off to zero at two, a situation is substrate resistance infinity, another
A situation is that substrate resistance is equal to zero.However, the resistivity of general common silicon base is about 10~15Ohm-Cm, in this situation
Under, inductor/transformer element operation will generate couple current in high frequency in silicon base, and couple current flows through silicon base electricity
The loss of energy will be caused when resistance.
Therefore, there are many document and research and propose lower level metal layer (the Lower Metal using silicon processing procedure at present
Layer) or polysilicon (Polysilicon) shields to do the ground of inductor/transformer, to block couple electromagnetic energy to silicon substrate
Bottom.However, for integrated circuit inductance element/transformer element, solid ground shielded layer can cause serious eddy current
Effect so that induced current forms opposing magnetic field on solid ground shielded layer, causes integrated circuit inductance element/transformer member
The loss of part bigger.
Invention content
The embodiment of the present invention provides a kind of shielding construction of long-pending body inductor/transformer, is applied to inductance element or transformer
Element, and positioned at inductance element or the lower section of transformer element and the top of substrate.Shielding construction includes：Multiple conductor elements,
Multiple interconnecting pieces and ground terminal.Multiple conductor elements include the first conductor element, the second conductor element, third conductor element and one
4th conductor element, and each conductor element includes the first sub- conductor element and the second sub- conductor element.First conductor is single
Member is made of base portion and multiple extensions respectively with the second sub- conductor element, and the number of extension is odd number, and extension
Length is successively decreased along another side direction of a lateral base portion of base portion.Wherein, the first sub- conductor element and the second sub- conductor element by
It has the extension of maximum length and is connected to each other.Multiple interconnecting pieces be connected to the first conductor element and the second conductor element it
Between and third conductor element and the 4th conductor element between.In addition, the base portion of the first sub- conductor element of the first conductor element
It is connected with the base portion of the second sub- conductor element of the 4th conductor element, and is further connected to ground terminal or the second conductor list
The base portion of second sub- conductor element of member is connected with the base portion of the first sub- conductor element of third conductor element, and further connects
It is connected to ground terminal.
The embodiment of the present invention also provides a kind of shielding construction of long-pending body inductor/transformer, is applied to inductance element or transformation
Device element is located at inductance element or the lower section of transformer element and the top of substrate.Shielding construction include multiple conductor elements with
Ground terminal.Each conductor element is made of base portion and multiple extensions for being connected to base portion, and the number of extension is odd number,
And the length of extension is successively decreased along two side directions of base portion.Ground terminal is connected to one of multiple conductor elements.Wherein, more
A conductor element is connected to each other by the extension of tool maximum length in a bit, to form shielding construction.
The embodiment of the present invention also provides a kind of shielding construction of long-pending body inductor/transformer, is applied to inductance element or transformation
Device element is located at inductance element or the lower section of transformer element and the top of substrate.Shielding construction include multiple conductor elements with
Second extension.Each conductor element is made of base portion and multiple extensions.Extension is connected to base portion, the number of extension
Mesh is odd number, and the length of extension is successively decreased along two side directions of base portion.In addition, multiple conductor elements prolonging by tool maximum length
Extending portion is connected to each other in a bit, and the point that the second extension is connected to each other by the extension of tool maximum length extends and formed,
To connect ground terminal.
The embodiment of the present invention also provides a kind of shielding construction of long-pending body inductor/transformer, is applied to inductance element or transformation
Device element is located at inductance element or the lower section of transformer element and the top of substrate.Shielding construction includes multiple conductor elements, more
A interconnecting piece, multiple perforation and ground terminal.Each conductor element is made of base portion and multiple extensions for being connected to base portion,
The number of extension is odd number, and the length of extension is successively decreased along two side directions of base portion.Interconnecting piece is by perforating conductor list
The base portion of member is connected to each other, and to form the shielding construction, and ground terminal is connected to one of interconnecting piece.Wherein, conductor list
Member is made of the first conductor material, and interconnecting piece is made of the second conductor material different from the first conductor material.
The embodiment of the present invention also provides a kind of shielding construction of long-pending body inductor/transformer, is applied to inductance element or transformation
Device element is located at inductance element or the lower section of transformer element and the top of substrate.Shielding construction includes first screen layer, second
Shielded layer and multiple perforation, and secondary shielding layer is Chong Die with first screen layer and is connected by perforating, to form shielding construction.More
In detail, first screen layer is made of the first conductor material, and first screen layer includes first layer base portion and multiple first layers
Extension.First layer extension by first layer base portion it is radial extend outwardly, and adjacent first layer extension is parallel to each other.
In addition, secondary shielding layer is made of the second conductor material different from the first conductor material, and secondary shielding layer includes the second layer
Base portion and multiple second layer extensions.Second layer extension is extended internally by the both sides of second layer base portion, and adjacent first layer
Extension is parallel to each other.Interlock in addition, first layer extension is verticallyed with second layer extension.
In conclusion the shielding construction of long-pending body inductor/transformer provided in an embodiment of the present invention passes through the outer of shielding construction
The disconnection design of part and the connection design of the central part of shielding construction are enclosed, eddy current effects is reduced, avoids induced current
It is formed by opposing magnetic field and destroys inductance element/transformer element, effectively promote the characteristic of inductance element/transformer element.
Furthermore the shielding construction of long-pending body inductor/transformer provided in an embodiment of the present invention connects each conductor element also through perforation, utilize
The high value characteristic of perforation so that the conductivity between connected conductor element reduces, and then reduces the electricity between conductor element
It spreads and leads, to achieve the effect that minimize eddy current effects, and further made by finely tuning the resistance value of interconnecting piece and perforation
Obtain the characteristic optimization of shielding construction.In addition to this, the shielding construction of long-pending body inductor/transformer provided in an embodiment of the present invention is also
Shield effectiveness is effectively promoted using the design of multilayer screen layer.
Description of the drawings
Fig. 1 a are the schematic diagrames of the shielding construction of the product body inductor/transformer of one embodiment of the invention.
Fig. 1 b are the schematic diagrames of the shielding construction unit depicted in Fig. 1 a.
Fig. 1 c are the schematic diagrames that the shielding construction depicted in Fig. 1 a is applied to long-pending body inductance.
Fig. 1 d are the deformations of the shielding construction depicted in Fig. 1 a and are applied to the schematic diagram of product body inductance.
Fig. 1 e are the schematic diagrames of the shielding construction of the product body inductor/transformer of another embodiment of the present invention.
Fig. 2 a are the schematic diagrames of the shielding construction of the product body inductor/transformer of another embodiment of the present invention.
Fig. 2 b are the schematic diagrames of the shielding construction unit depicted in Fig. 2 a.
Fig. 2 c are the schematic diagrames of the shielding construction of the product body inductor/transformer of another embodiment of the present invention.
Fig. 3 a are the schematic diagrames of the shielding construction of the product body inductor/transformer of another embodiment of the present invention.
Fig. 3 b are the schematic diagrames of the shielding construction unit depicted in Fig. 3 a.
Fig. 3 c are the schematic diagrames of the shielding construction of the product body inductor/transformer of another embodiment of the present invention.
Fig. 4 a-4b are the schematic diagrames of the shielding construction of the product body inductor/transformer of another embodiment of the present invention.
Fig. 4 c are the schematic diagrames that the shielding construction depicted in Fig. 4 b is applied to long-pending body inductance.
Fig. 5 a-5c are the schematic diagrames of the shielding construction of the product body inductor/transformer of another embodiment of the present invention.
Fig. 5 d are the relationships of the frequency and efficiency of the shielding construction of the product body inductor/transformer of another embodiment of the present invention
Curve graph.
【Symbol description】
1、2、3、4、5：Shielding construction
11：First conductor element
12：Second conductor element
13：Third conductor element
14：4th conductor element
111、121、131、141：First sub- conductor element
112、122、132、142：Second sub- conductor element
2’、3’、4’：Conductor element
B：Base portion
B1：First layer base portion
B2：Second layer base portion
T：Extension
T1：First layer extension
T2：Second layer extension
T’：Second extension
L：Inductance
C：Interconnecting piece
C’：Second connecting portion
V：Perforation
G：Ground terminal
S1：First screen layer
S2：Secondary shielding layer
CL1：First siding ring
CL2：Second siding ring
Specific implementation mode
Various exemplary embodiments will be more fully described referring to alterations below, shown in alterations
Exemplary embodiments.However, concept of the present invention may embody in many different forms, and it should not be construed as limited by institute herein
The exemplary embodiments of elaboration.Specifically, these exemplary embodiments are provided and so that the present invention will be detailed and complete, and will
The scope of concept of the present invention is fully conveyed to those skilled in the art.In all schemas, it may be lavished praise on oneself in order to clear
The size and relative size in the areas Liao Cengji.Similar number indicates similar component always.
It should be understood that although various elements, these yuan may be described using term first, second, third, etc. herein
Part should not be limited by these terms.These terms are distinguishing an element and another element.Therefore, first yuan be discussed herein below
Part can be described as teaching of the second element without departing from concept of the present invention.As used herein, term " and/or " include associated
All combinations for listing any one of project and one or more.
(embodiment of the shielding construction of product body inductor/transformer)
The shielding construction for the product body inductor/transformer that the present embodiment is provided is applied to inductance element or by multigroup coil group
At transformer element, wherein shielding construction is set to the lower section of inductance element or transformer element and the top of substrate, with increase
Power up the characteristic of sensing unit or transformer element.Referring to Fig. 1 a-1b, Fig. 1 a are the product body electricity of one embodiment of the invention
The schematic diagram of the shielding construction of sense/transformer, and Fig. 1 b are the schematic diagrames of the shielding construction unit depicted in Fig. 1 a.
As shown in Figure 1a, shielding construction 1 includes multiple conductor elements 11~14, multiple interconnecting piece C and ground terminal G.It is multiple
Conductor element 11~14 be the first conductor element 11, the second conductor element 12, third conductor element 13 and the 4th conductor element 14,
And each conductor element includes the first sub- conductor element 111~141 and the second sub- conductor element 112~142.Fig. 1 b are shown
Single one conductor element in shielding construction 1, that is, conductor element 11~14 depicted in Fig. 1 a.With the first conductor list
For member 11, as shown in Figure 1 b, the first conductor element 11 includes the first conductor subelement 111 and the second sub- conductor element 112,
First conductor subelement 111 is made of base portion B and multiple extension T respectively with the second sub- conductor element 112, extension T's
Number is odd number, and the length of extension T is successively decreased along another side direction of a lateral base portion B of base portion B.Wherein, the first son is led
Body unit 111 and the second sub- conductor element 112 have the extension T of maximum length by it and are connected to each other.
A referring to Fig.1 please be answer, is connected by an interconnecting piece C between the first conductor element 11 and the second conductor element 12, and
It is connected by another interconnecting piece C between third conductor element 13 and the 4th conductor element 14.In addition, the first conductor element 11
The base portion B of first sub- conductor element 111 is connected with the base portion B of the second sub- conductor element 142 of the 4th conductor element 14, goes forward side by side
One step is connected to ground terminal G.In this, it should be noted that, the shielding construction 1 of the present embodiment also can be by the of the second conductor element 12
The base portion B of two sub- conductor elements 122 is connected with the base portion B of the first sub- conductor element 131 of third conductor element 13, goes forward side by side one
Step is connected to ground terminal G.
Fig. 1 c are please referred to, Fig. 1 c are the schematic diagrames that the shielding construction depicted in Fig. 1 a is applied to long-pending body inductance.It is worth noting
, in this present embodiment, the peripheral part of shielding construction 1 is the structure disconnected, that is to say, that in addition to third conductor element 13
It is connected to except ground terminal G with the base portion B of the second conductor element 12, the base of the first conductor element 11 and the second conductor element 12
Between portion, between the second conductor element 12 and the base portion of third conductor element 13 and third conductor element 13 and the 4th conductor
It is not attached between the base portion of unit 14, thus, which eddy current effects can be reduced, induced current is avoided to be formed by reversely
Inductance element/transformer element is destroyed in magnetic field, effectively promotes the characteristic of inductance element/transformer element.It should be noted that removing
Inductance element, the shielding construction of the present embodiment are also suitable for inclusion in the transformer element of multigroup coil, thus the present invention in this simultaneously
It does not limit.
In addition, please referring to Fig. 1 d, Fig. 1 d are the deformation of the shielding construction depicted in Fig. 1 a and showing applied to product body inductance
It is intended to.Shielding construction depicted in Fig. 1 d is with the shielding construction foundation structure having the same depicted in Fig. 1 a, only difference,
The global shape of shielding construction depicted in Fig. 1 a is in quadrangle, and the global shape of the shielding construction depicted in Fig. 1 d is in eight sides
Shape, but the present invention is not intended to limit the global shape of shielding construction in this.However, be notably, it is whole depicted in Fig. 1 d
Shape in octagonal shielding construction compared be suitably applied include multigroup coil transformer unit, that is to say, that it is whole
Shape is in octagonal shielding construction compared with the characteristic that can effectively promote the transformer unit for including multigroup coil.
Finally, showing for the shielding construction for the product body inductor/transformer that Fig. 1 e, Fig. 1 e are another embodiment of the present invention is please referred to
It is intended to.Shielding construction depicted in Fig. 1 e is with the shielding construction foundation structure having the same depicted in Fig. 1 a, only difference,
Shielding construction depicted in Fig. 1 e further includes having multiple perforation V, to by interconnecting piece C be connected to the first conductor element 11 with
Between second conductor element 12 and between third conductor element 13 and the 4th conductor element 14.In this it should be noted that, it is multiple
Conductor element 11~14 is made of the first conductor material, and interconnecting piece C is by the second conductor material different from the first conductor material
It is made.In addition, multiple conductor elements 11~14 and interconnecting piece C is located at different layers, it is notably that interconnecting piece C is located at multiple
The upper layer of conductor element 11~14, and pass through multiple perforation V connections the first conductor elements 11 and the second conductor element 12, Yi Jilian
Connect third conductor element 13 and the 4th conductor element 14.
It further illustrates, the shielding construction depicted in Fig. 1 e is made of the conductor of different layers and multiple perforation, generally
For, shielding construction is formed by by same layer metal and is easy to be formed the reflux of electric current since resistance is relatively low, however, perforation tool
There is high value, therefore in this shielding construction, can make leading between connected conductor element using perforation connection conductor element
Electric rate reduces, and then reduces the electric current conduction between conductor element, to achieve the effect that minimize eddy current effects.Meanwhile by
In can not accurately be expected faradic path, therefore in this present embodiment, can by finely tune the resistance value of interconnecting piece and perforation come
So that the characteristic optimization of shielding construction.
(another embodiment of the shielding construction of product body inductor/transformer)
The shielding construction for the product body inductor/transformer that the present embodiment is provided is applied to inductance element or by multigroup coil group
At transformer element, wherein shielding construction is set to the lower section of inductance element or transformer element and the top of substrate, with increase
Power up the characteristic of sensing unit or transformer element.Referring to Fig. 2 a-2b, Fig. 2 a are the product body electricity of another embodiment of the present invention
The schematic diagram of the shielding construction of sense/transformer, and Fig. 2 b are the schematic diagrames of the shielding construction unit depicted in Fig. 2 a.
As shown in Figure 2 a, shielding construction 2 includes multiple conductor elements 2 ' and ground terminal G.Fig. 2 b have shown shielding construction 2
In single one conductor element 2 ', conductor element 2 ' is made of base portion B and multiple extension T, and extension T is connected to base portion
The number of B, extension T are odd number, and the length of extension T is successively decreased along two side directions of base portion B.Ground terminal G is connected to multiple
One of conductor element 2 '.As shown in Figure 2 a, multiple conductor elements 2 ' by the extension T of tool maximum length be connected to each other in
A bit, to form shielding construction 2.
It is worth noting that, in this present embodiment, the peripheral part of shielding construction 2 is the structure disconnected, that is to say, that more
It is not attached between the base portion of a conductor element 2 '.In addition, in addition to the extension T by maximum length between multiple conductive units 2 '
It is connected to each other except a bit, there is no other coupling parts, that is to say, that the central part of shielding construction 2 is only by each
The extension T of tool maximum length is connected to each other in a bit in conductive unit 2 '.Such structure can reduce eddy current effects, avoid feeling
Induced current is formed by opposing magnetic field and destroys inductance element, effectively promotes the characteristic of inductance element.It should be noted that in addition to electricity
Sensing unit, the shielding construction of the present embodiment are also suitable for inclusion in the transformer element of multigroup coil, thus the present invention in this and it is unlimited
System, although in addition, the global shape of the shielding construction depicted in Fig. 2 a is in quadrangle, the present invention is in this to the whole of shielding construction
Shape does not also limit.
Then showing for the shielding construction for the product body inductor/transformer that Fig. 2 c, Fig. 2 c are another embodiment of the present invention is please referred to
It is intended to.Shielding construction depicted in Fig. 2 c is with the shielding construction foundation structure having the same depicted in Fig. 2 a, only difference,
Shielding construction depicted in Fig. 2 c further includes having interconnecting piece C and multiple perforation V.Further illustrate, interconnecting piece C it is radial (with
For global shape depicted in Fig. 2 c is the shielding construction of quadrangle, interconnecting piece C is in crosswise), and interconnecting piece C pass through it is multiple
The extension T for having maximum length is connected to each other by perforation V, to form shielding construction 2.In this it should be noted that, multiple conductor lists
Member 2 ' is made of the first conductor material, and interconnecting piece C is made of the second conductor material different from the first conductor material.In addition,
Multiple conductor elements 2 ' and interconnecting piece C is located at different layers, and is notably that interconnecting piece C is located at multiple conductor elements 2 '
Upper layer, and pass through the extension T of tool maximum length in each conductor element 2 ' of multiple perforation V connections.
It further illustrates, the shielding construction depicted in Fig. 2 c is made of the conductor of different layers and multiple perforation, generally
For, shielding construction is formed by by same layer metal and is easy to be formed the reflux of electric current since resistance is relatively low, however, perforation tool
There is high value, therefore in this shielding construction, can make leading between connected conductor element using perforation connection conductor element
Electric rate reduces, and then reduces the electric current conduction between conductor element, to achieve the effect that minimize eddy current effects.Meanwhile by
In can not accurately be expected faradic path, therefore in this present embodiment, can by finely tune the resistance value of interconnecting piece and perforation come
So that the characteristic optimization of shielding construction.
(another embodiment of the shielding construction of product body inductor/transformer)
The shielding construction for the product body inductor/transformer that the present embodiment is provided is applied to inductance element or by multigroup coil group
At transformer element, wherein shielding construction is set to the lower section of inductance element or transformer element and the top of substrate, with increase
Power up the characteristic of sensing unit or transformer element.Referring to Fig. 3 a-3b, Fig. 3 a are the product body electricity of another embodiment of the present invention
The schematic diagram of the shielding construction of sense/transformer, and Fig. 3 b are the schematic diagrames of the shielding construction unit depicted in Fig. 3 a.
As shown in Figure 3a, shielding construction 3 includes multiple conductor elements 3 ' and the second extension T '.Fig. 3 b have shown shielding
Single one conductor element 3 ' in structure 3, conductor element 3 ' are made of base portion B and multiple extension T, extension T connections
In base portion B, the number of extension T is odd number, and the length of extension T is successively decreased along two side directions of base portion B.In addition, shielding knot
Multiple conductor elements 3 ' are connected to each other by the extension of tool maximum length in a bit in structure 3, and as shown in Figure 3a, and second extends
The point that portion T ' is connected to each other by the extension T of tool maximum length extends and is formed, to be connected to ground terminal.
It is worth noting that, in this present embodiment, the peripheral part of shielding construction 3 is the structure disconnected, that is to say, that more
It is not attached between the base portion of a conductor element 3 '.In addition, in addition to the extension T by maximum length between multiple conductive units 3 '
It is connected to each other except a bit, there is no other coupling parts, that is to say, that the central part of shielding construction 3 is only by each
The extension T of tool maximum length is connected to each other in a bit in conductive unit 3 '.Such structure can reduce eddy current effects, avoid feeling
Induced current is formed by opposing magnetic field and destroys inductance element, effectively promotes the characteristic of inductance element.It should be noted that in addition to electricity
Sensing unit, the shielding construction of the present embodiment are also suitable for inclusion in the transformer element of multigroup coil, thus the present invention in this and it is unlimited
System, although in addition, the global shape of the shielding construction depicted in Fig. 3 a is in quadrangle, the present invention is in this to the whole of shielding construction
Shape does not also limit.
Then showing for the shielding construction for the product body inductor/transformer that Fig. 3 c, Fig. 3 c are another embodiment of the present invention is please referred to
It is intended to.Shielding construction depicted in Fig. 3 c is with the shielding construction foundation structure having the same depicted in Fig. 3 a, only difference,
Shielding construction depicted in Fig. 3 c further includes having interconnecting piece C and multiple perforation V.
It further illustrates, interconnecting piece C is radial (to be by the shielding construction of quadrangle of the global shape depicted in Fig. 3 c
Example, interconnecting piece C are in X-type), and the extension T for having maximum length is connected to each other by interconnecting piece C by multiple perforation V, to form screen
Shield structure 3.In this, it should be noted that, multiple conductor elements 3 ' are made of the first conductor material, and interconnecting piece C is by being different from first
Second conductor material of conductor material is made.In addition, multiple conductor elements 3 ' and interconnecting piece C is located at different layers, and it is worth noting
Ground is that interconnecting piece C is located at the upper layer of multiple conductor elements 3 ', and most by tool in each conductor element 3 ' of multiple perforation V connections
The extension T of long length.
It further illustrates, the shielding construction depicted in Fig. 3 c is made of the conductor of different layers and multiple perforation, generally
For, shielding construction is formed by by same layer metal and is easy to be formed the reflux of electric current since resistance is relatively low, however, perforation tool
There is high value, therefore in this shielding construction, can make leading between connected conductor element using perforation connection conductor element
Electric rate reduces, and then reduces the electric current conduction between conductor element, to achieve the effect that minimize eddy current effects.Meanwhile by
In can not accurately be expected faradic path, therefore in this present embodiment, can by finely tune the resistance value of interconnecting piece and perforation come
So that the characteristic optimization of shielding construction.
(another embodiment of the shielding construction of product body inductor/transformer)
The shielding construction for the product body inductor/transformer that the present embodiment is provided is applied to inductance element or by multigroup coil group
At transformer element, wherein shielding construction is set to the lower section of inductance element or transformer element and the top of substrate, with increase
Power up the characteristic of sensing unit or transformer element.Please also refer to Fig. 4 a, Fig. 4 a are the product body inductance/changes of another embodiment of the present invention
The schematic diagram of the shielding construction of depressor.
As shown in fig. 4 a, shielding construction 4 includes multiple conductor elements 4 ', multiple interconnecting piece C, multiple perforation V and ground terminal
G.Each conductor element 4 ' is made of base portion B and multiple extension T, and extension T is connected to base portion B, the number of extension T
For odd number, and the length of extension T is successively decreased along two side directions of base portion B.Multiple interconnecting piece C are by the V that perforates by multiple conductor lists
The base portion B of member 4 ' is connected to each other, to form shielding construction 4, wherein the one of multiple ground terminals is connected to ground terminal G.It must illustrate
It is that conductor element 4 ' is made of the first conductor material, and multiple interconnecting piece C are by the second conductor material different from the first conductor material
Material is made.In addition, multiple conductor elements 4 ' and multiple interconnecting piece C are located at different layers, it is notably multiple interconnecting piece C
In the upper layer of multiple conductor elements 4 ', and pass through the base portion B of each conductor element of multiple perforation V connections 4 '.
Then, the schematic diagram that the shielding construction depicted in Fig. 4 b, Fig. 4 b is applied to product body inductance is please referred to.Depicted in Fig. 4 b
Shielding construction 4 and Fig. 4 a depicted in 4 foundation structure having the same of shielding construction, only difference be, depicted in Fig. 4 b
Shielding construction 4 further includes having second connecting portion C ', and as shown in Figure 4 b, second connecting portion C ' is by multiple perforation V by each conductor
The extension T of tool maximum length is connected to each other in unit 4 '.
It should be noted that conductor element 4 ' is made of the first conductor material, and second connecting portion C ' is led by being different from first
The conductor material of body material is made, such as：The second conductor material identical with manufacture interconnecting piece C.In addition, multiple conductor elements 4 '
It is located at different layers with second connecting portion C ', is notably, second connecting portion C ' is located at the upper layer of multiple conductor elements 4 ' (i.e.
Positioned at interconnecting piece C same layers), and pass through the extension T for having maximum length in each conductor element of multiple perforation V connections 4 '.
It further illustrates, the peripheral part of the shielding construction 4 depicted in Fig. 4 a and Fig. 4 b is continuous loop configuration, also
To say, the base portion B of multiple conductor elements 4 ' by multiple interconnecting piece C by perforate V connections by form the outer part of shielding construction 4
Point, such structure has symmetry, particularly suitable for transformer element.For example, it is Fig. 4 b to please refer to Fig. 4 c, Fig. 4 c
Depicted shielding construction 4 is applied to the schematic diagram of product body inductance.As illustrated in fig. 4 c, it is positioned over the transformation of 4 top of shielding construction
Device element has first siding ring CL1 and second siding ring CL2, and the direction of first siding ring CL1 is with second siding ring CL2's
Direction differs 90o, however since the shielding construction 4 depicted in Fig. 4 b has symmetry, the primary side different for putting direction
For coil CL1 and second siding ring CL2, identical shielding construction 4 can be seen.
But it in general, is formed by shielding construction by same layer metal to be easy to form returning for electric current since resistance is relatively low
Therefore stream although the peripheral part of the shielding construction 4 depicted in Fig. 4 a and Fig. 4 b is continuous loop configuration, is actually schemed
The peripheral part of shielding construction 4 depicted in 4a and Fig. 4 b is passed through by the base portion B of multiple conductor elements 4 ' using multiple interconnecting piece C
Perforation V connections and formed, the high value of perforation is utilized to reduce the conductivity between connected conductor element in such structure,
And then the electric current conduction between conductor element is reduced, to achieve the effect that minimize eddy current effects.Simultaneously as can not be accurate
Faradic path is expected on ground, therefore in this present embodiment, it can be by finely tuning the resistance value of interconnecting piece and perforation come so that shielding knot
The characteristic optimization of structure.
It should be noted that although being illustrated with shielding construction and the transformer element comprising multigroup coil in Fig. 4 c, this
The shielding construction of embodiment is also suitable for inductance element, therefore the present invention is not intended to limit in this.Although in addition, depicted in Fig. 4 a-4c
The global shape of shielding construction be in quadrangle, but the present invention does not also limit the global shape of shielding construction in this.
(another embodiment of the shielding construction of product body inductor/transformer)
The shielding construction for the product body inductor/transformer that the present embodiment is provided is applied to inductance element or by multigroup coil group
At transformer element, wherein shielding construction is set to the lower section of inductance element or transformer element and the top of substrate, with increase
Power up the characteristic of sensing unit or transformer element.Referring to Fig. 5 a-5c, Fig. 5 a-5c are the products of another embodiment of the present invention
The schematic diagram of the shielding construction of body inductor/transformer.As shown in Figure 5 c, shielding construction 5 includes first screen layer S1, secondary shielding
Layer S2 and multiple perforation V.
In detail, the shielding construction depicted in Fig. 5 a is the first screen layer S1 in the shielding construction depicted in Fig. 5 c,
As shown in Figure 5 a, first screen layer S1 includes first layer base portion B1 and multiple first layer extension T1, wherein multiple first layers prolong
Extending portion T1 by first layer base portion B1 it is radial extend outwardly, and adjacent first layer extension T1 is parallel to each other so that first
Herring-bone form is presented in the overall structure of shielded layer S1.
On the other hand, the shielding construction depicted in Fig. 5 b is the secondary shielding layer S2 in the shielding construction depicted in Fig. 5 c.
As shown in Figure 5 b, secondary shielding layer S2 includes second layer base portion B2 and multiple second layer extension T2, wherein multiple second layers prolong
Extending portion T2 is extended internally by the both sides of second layer base portion B2, and adjacent second layer extension T2 is parallel to each other.By another angle
From the point of view of degree, shielding construction depicted in Fig. 5 b by the shielding construction depicted in Fig. 5 a to hemisect after, then through mirror image switch institute shape
At.
It is that secondary shielding layer S2 and Fig. 5 a depicted in Fig. 5 b are painted that please answer the shielding construction with reference to depicted in Fig. 5 c, Fig. 5 c
The first screen layer S1 shown is overlapped and is formed by connecting by multiple perforation V, wherein first layer extension T1 and second layer extension
T2 interlocks vertically.It should be noted that first screen layer S1 is located at the upper layer of secondary shielding layer S2, it has been observed that the first shielding
Layer S1 is connect with secondary shielding layer S2 by multiple perforation V, but the present invention in this be not intended to limit the V that perforates in first screen layer S1 and
Installation position on secondary shielding layer S2, that is to say, that perforation V may be disposed at any first screen layer S1 and secondary shielding layer S2
Overlapping forms the shielding construction 5 depicted in Fig. 5 c to connect first screen layer S1 and secondary shielding layer S2.
It further illustrating, in the shielding construction 5 depicted in Fig. 5 c, first screen layer S1 is Chong Die with secondary shielding layer S2,
So that 90o is presented in multiple second layer extension T2 of the multiple first layer extension T1 and secondary shielding layer S2 of first screen layer S1
Staggeredly, thus first screen layer S1 and magnetic field caused by secondary shielding layer S2 just can be allowed just reversed, Jin Erxiang
Mutually payment, to avoid faradic formation.It is worth noting that, the shielding construction being painted respectively compared to Fig. 5 a and Fig. 5 a
Shield effectiveness, the shield effectiveness of shielding construction 5 depicted in overlapped and Fig. 5 c for being formed can improve 2% to 5%.
In addition, the shielding construction 5 depicted in Fig. 5 c is especially suitable for splayed configuration inductor, wherein splayed inductor includes
There are two coil windings, but the present invention is not intended to limit in this.It should be noted that in this present embodiment, first screen layer S1 and the
Upper and lower position set by two shielded layer S2 can mutually be exchanged.For example, it is another reality of the present invention to please refer to Fig. 5 d, Fig. 5 d
The curve graph of the frequency of the shielding construction of the product body inductor/transformer of example and the relationship of efficiency is applied, as fig 5d, is come respectively
It sees, the shielding construction of first screen layer S1 is about when frequency condition is 5GHz, and accessible best Q value is 20%, and the second screen
The shielding construction of layer S2 is covered about when frequency condition is 10GHz, and accessible best Q value is 25%.Therefore, in this embodiment
In, since first screen layer S1 and the upper and lower position set by secondary shielding layer S2 can be exchanged mutually, therefore by first screen layer
S1 5 producible efficiency of shielding construction (Q values) amplification that is formed by Chong Die with secondary shielding layer S2 is about 20% to 25%.
That is in an embodiment, first screen layer S1 is designed as understructure and secondary shielding layer S2 is designed as upper layer knot
The shielding construction of structure can reach preferred efficiency (Q values are higher).
In addition to this, although the shielding construction 5 depicted in Fig. 5 c is by first screen layer S1 institutes Chong Die with secondary shielding layer S2
The double deck type shielding construction of formation, but the present invention is not intended to limit to form the shielding number of layers of shielding construction in this.But it must illustrate
It is, since the increase of shielding number of layers can make the parasitic capacitance effect in shielding construction increase, and excessive parasitic capacitance effect
It may should offset shield effectiveness that is improved and being promoted instead, therefore, designer can voluntarily set according to the demand of practical application
Meter forms the shielding number of layers of shielding construction.
(the possibility effect of embodiment)
In conclusion the shielding construction of long-pending body inductor/transformer provided in an embodiment of the present invention passes through the outer of shielding construction
The disconnection design of part and the connection design of the central part of shielding construction are enclosed, eddy current effects is reduced, avoids induced current
It is formed by opposing magnetic field and destroys inductance element/transformer element, effectively promote the characteristic of inductance element/transformer element.
Furthermore the shielding construction of long-pending body inductor/transformer provided in an embodiment of the present invention connects each conductor element also through perforation, utilize
The high value characteristic of perforation so that the conductivity between connected conductor element reduces, and then reduces the electricity between conductor element
It spreads and leads, to achieve the effect that minimize eddy current effects, and further made by finely tuning the resistance value of interconnecting piece and perforation
Obtain the characteristic optimization of shielding construction.In addition to this, the shielding construction of long-pending body inductor/transformer provided in an embodiment of the present invention is more
Shield effectiveness is effectively promoted using the design of multilayer screen layer.
The foregoing is merely the preferred possible embodiments of the present invention, all impartial changes done according to scope of the present invention patent
Change and modify, should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of shielding construction of long-pending body inductor/transformer is applied to an inductance element or a transformer element, it is located at the electricity
The top of the lower section of sensing unit or the transformer element and a substrate, the shielding construction include：
Multiple conductor elements, the multiple conductor element include one first conductor element, one second conductor element, a third conductor
Unit and one the 4th conductor element, each conductor element in the multiple conductor element include one first sub- conductor element and one
Second sub- conductor element, the first sub- conductor element is with the described second sub- conductor element respectively by a base portion and multiple extensions
It is formed, the number of the extension is odd number, and the length of the extension is along a lateral base portion of the base portion
Another side direction is successively decreased, wherein the first sub- conductor element is with the described second sub- conductor element by it with maximum length
The extension is connected to each other；
Multiple interconnecting pieces, are connected between first conductor element and second conductor element and the third conductor
Between unit and the 4th conductor element；And
One ground terminal；
Wherein, the institute of the base portion and the 4th conductor element of the described first sub- conductor element of first conductor element
The base portion for stating the second sub- conductor element is connected, and is further connected to the ground terminal or second conductor element
The described second sub- conductor element the base portion and the third conductor element the described first sub- conductor element the base
Portion is connected, and is further connected to the ground terminal.
2. the shielding construction of long-pending body inductor/transformer according to claim 1, the shielding construction further include：
Multiple perforation, the interconnecting piece to be connected between first conductor element and second conductor element
Between the third conductor element and the 4th conductor element；
Wherein, the multiple conductor element is made of one first conductor material, and the interconnecting piece is led by being different from described first
One second conductor material of body material is made.
3. a kind of shielding construction of long-pending body inductor/transformer is applied to an inductance element or a transformer element, it is located at the electricity
The top of the lower section of sensing unit or the transformer element and a substrate, the shielding construction include：
Multiple conductor elements, each conductor element in the multiple conductor element are made of a base portion and multiple extensions,
The extension is connected to the base portion, and the number of the extension is odd number, and the length of the extension is along the base portion
Two side directions successively decrease；And
One ground terminal is connected to one of the multiple conductor element；
One interconnecting piece, it is radial；And
The extension with maximum length is connected to each other by multiple perforation, the interconnecting piece by the perforation, to be formed
The shielding construction,
Wherein, the multiple conductor element is connected to each other by the extension with maximum length in a bit, described in formation
Shielding construction.
4. the shielding construction of long-pending body inductor/transformer according to claim 3, wherein the multiple conductor element is by one
First conductor material is made, and the interconnecting piece is made of the one second conductor material different from the first conductor material.
5. a kind of shielding construction of long-pending body inductor/transformer is applied to an inductance element or a transformer element, it is located at the electricity
The top of the lower section of sensing unit or the transformer element and a substrate, the shielding construction include：
Multiple conductor elements, each conductor element in the multiple conductor element are made of a base portion and multiple extensions,
The extension is connected to the base portion, and the number of the extension is odd number, and the length of the extension is along the base portion
Two side directions successively decrease, wherein the multiple conductor element is connected to each other by the extension with maximum length in a bit；
And
One second extension, the point being connected to each other by the extension with maximum length extend and are formed, to even
Connect a ground terminal.
6. the shielding construction of long-pending body inductor/transformer according to claim 5, the shielding construction further include：
One interconnecting piece, the interconnecting piece are radial；And
The extension with maximum length is connected to each other by multiple perforation, the interconnecting piece by the perforation, to be formed
The shielding construction；
Wherein, the multiple conductor element is made of one first conductor material, and the interconnecting piece is with second extension by not
The one second conductor material for being same as the first conductor material is made,
Wherein, second extension is connected to the interconnecting piece, and is connected to the ground terminal.
7. a kind of shielding construction of long-pending body inductor/transformer is applied to an inductance element or a transformer element, it is located at the electricity
The top of the lower section of sensing unit or the transformer element and a substrate, the shielding construction include：
Multiple conductor elements, each conductor element in the multiple conductor element are made of a base portion and multiple extensions,
The extension is connected to the base portion, and the number of the extension is odd number, and the length of the extension is along the base portion
Two side directions successively decrease；
Multiple interconnecting pieces；
Multiple perforation, the base portion of the conductor element is connected to each other by the interconnecting piece by the perforation, to be formed
State shielding construction；And
One ground terminal is connected to one of described interconnecting piece；
Wherein, the conductor element is made of one first conductor material, and the interconnecting piece is by being different from the first conductor material
One conductive material of material is made.
8. the shielding construction of long-pending body inductor/transformer according to claim 7, the shielding construction further includes one second company
The extension with maximum length is connected to each other by socket part, the second connecting portion by the perforation, wherein described the
Two interconnecting pieces different from a conductive material of the first conductor material by being made.
9. a kind of shielding construction of long-pending body inductor/transformer is applied to an inductance element or a transformer element, it is located at the electricity
The top of the lower section of sensing unit or the transformer element and a substrate, the shielding construction include a first screen layer, one the
Two shielded layers and multiple perforation, the secondary shielding layer is Chong Die with the first screen layer and is connected by the perforation, with shape
At the shielding construction；
Wherein, the first screen layer is made of one first conductor material, and the first screen layer includes：
One first layer base portion；And
Multiple first layer extensions, wherein the first layer extension by the first layer base portion it is radial extend outwardly, and
The first layer extension extended in one direction is parallel to each other；
Wherein, secondary shielding layer is made of the one second conductor material different from the first conductor material, the secondary shielding
Layer include：
One second layer base portion；And
Multiple second layer extensions, wherein the second layer extension is extended internally by the both sides of the second layer base portion, and
One second layer extension just upwardly extended is parallel to each other；
Wherein, the first layer extension verticallys with the second layer extension and interlocks.
10. the shielding construction of long-pending body inductor/transformer according to claim 9, wherein the first screen layer with it is described
The installation position of secondary shielding layer can mutually be exchanged.
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| CN201510623714.2A CN106558401B (en) | 2015-09-25 | 2015-09-25 | The shielding construction of product body inductor/transformer |
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| CN201510623714.2A CN106558401B (en) | 2015-09-25 | 2015-09-25 | The shielding construction of product body inductor/transformer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1486497A (en) * | 2000-12-19 | 2004-03-31 | �ź㴫 | Planar inductor with segmented conductive plane |
| US7084728B2 (en) * | 2003-12-15 | 2006-08-01 | Nokia Corporation | Electrically decoupled integrated transformer having at least one grounded electric shield |
| CN101131998A (en) * | 2006-08-22 | 2008-02-27 | 联华电子股份有限公司 | Conductor screening pattern and semiconductor structure with inductance element |
| CN102301471A (en) * | 2009-01-30 | 2011-12-28 | 阿尔特拉公司 | Integrated circuit inductor with doped substrate |
| CN102446898A (en) * | 2011-12-27 | 2012-05-09 | 杭州电子科技大学 | Integrated circuit on-chip inductor structure with multiple substrate shielding layers |
-
2015
- 2015-09-25 CN CN201510623714.2A patent/CN106558401B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1486497A (en) * | 2000-12-19 | 2004-03-31 | �ź㴫 | Planar inductor with segmented conductive plane |
| US7084728B2 (en) * | 2003-12-15 | 2006-08-01 | Nokia Corporation | Electrically decoupled integrated transformer having at least one grounded electric shield |
| CN101131998A (en) * | 2006-08-22 | 2008-02-27 | 联华电子股份有限公司 | Conductor screening pattern and semiconductor structure with inductance element |
| CN102301471A (en) * | 2009-01-30 | 2011-12-28 | 阿尔特拉公司 | Integrated circuit inductor with doped substrate |
| CN102446898A (en) * | 2011-12-27 | 2012-05-09 | 杭州电子科技大学 | Integrated circuit on-chip inductor structure with multiple substrate shielding layers |
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