CN209374221U - Sustainable formula packaging and package assembling - Google Patents
Sustainable formula packaging and package assembling Download PDFInfo
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- CN209374221U CN209374221U CN201821852796.3U CN201821852796U CN209374221U CN 209374221 U CN209374221 U CN 209374221U CN 201821852796 U CN201821852796 U CN 201821852796U CN 209374221 U CN209374221 U CN 209374221U
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- supporter
- extraction electrode
- packaging
- encapsulated member
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 71
- 238000000605 extraction Methods 0.000 claims abstract description 143
- 239000004065 semiconductor Substances 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 8
- 239000005022 packaging material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 17
- 239000004020 conductor Substances 0.000 description 12
- 238000005452 bending Methods 0.000 description 7
- 230000006698 induction Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005538 encapsulation Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 239000011265 semifinished product Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 238000000748 compression moulding Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a kind of sustainable formula packaging and package assembling, the package main body of the packaging is other than the encapsulated member of the conductive bodies for encapsulating the package assembling, also there is the supporter relative to encapsulated member bottom surface protrusion, each supporter is respectively positioned on around the encapsulated member, and make the one end of extraction electrode with supporter far from the encapsulated member coplanar, therefore when the inductance to be electrically connected with external module, packaging is mainly supported by the supporter of package main body itself.Therefore, the package assembling comprising the sustainable formula packaging can save space, not allow the damage for easily causing extraction electrode, production yield and reliability with higher also.
Description
Technical field
The utility model relates to half technical field of semiconductor encapsulation, more particularly, to a kind of sustainable formula envelope device and
Package assembling.
Background technique
In order to reduce the volume of power module, the prior art provides a kind of induction structure as shown in Figure 1.Such as Fig. 1 institute
The inductance shown includes coil 1, the extraction electrode being electrically connected respectively with the two ends of coil 1 21, extraction electrode 22 and inductance magnetic
Body 3, wherein coil 1 is encapsulated inside it by inductance magnet 3, and extraction electrode 21 and 22 is respectively by two sides of inductance magnet
Face is drawn, and is extended to after certain distance each along corresponding side to the bottom surface direction of inductance magnet 3 and be bent to form and seal again
Load the outer pin shown consideration for and closed.Thus, it can be seen that inductance itself is led when by inductance shown in FIG. 1 installation on a printed circuit
It to be supported by extraction electrode 21 and 22, so that the gap can there are the gap of certain space between inductance and package carrier
For placing other devices or chip in power module.Obviously, this inductance with support leg can reduce power supply etc.
The area and volume of package assembling are convenient for hoisting power density.
In the sustainable formula packaging that such as above-mentioned this prior art of inductance is realized, extraction electrode conduct is generallyd use
The support leg of packaging, however extraction electrode is usually very thin, then drawing electricity in the transport and installation process of this inductance
It is easy to bending deformation, even if so that transport assembling link pays many extra works, it would still be possible to will affect the good of finished product
Rate.Moreover, after the package assembling of this sustainable formula is applied in power module, when power module receives vibration,
Extraction electrode is easy to be denaturalized, and easily causes power-fail.
Utility model content
In view of this, the present invention provides a kind of sustainable formula packaging and package assemblings, to reduce package assembling
While shared area and volume, packaging and package assembling can ensure that in transport and installation process, extraction electrode is not
It can deform, to improve the yield of product.
A kind of packaging of sustainable formula, comprising: package main body, conductive bodies and extraction electrode,
The package main body includes supporter and the encapsulated member for encapsulating the conductive bodies, and the supporter is located at institute
The bottom surface of encapsulated member, and the bottom surface protrusion predetermined altitude relative to the encapsulated member are stated,
The extraction electrode is electrically connected with the conductive bodies, and the extraction electrode is a part of exposed in the encapsulation
Except main body, when the device by the extraction electrode be electrically connected with external module when, the bottom end of the supporter with it is described
External module contact, the device by the support body supports on the external module, and the bottom surface of the encapsulated member,
There are a space between the bottom end of the supporter and the external module, the extraction electrode by the package main body it is exposed
Outer part is located at except the space, and the conductive bodies are all embedded in inside the encapsulated member, without by the encapsulated member
It is exposed.
Preferably, the packaging is inductance.
Preferably, the inductance is integrally formed formula inductance.
Preferably, the packaging is semiconductor chip or discrete component.
Preferably, the first end of the extraction electrode is electrically connected with the conductive bodies, the middle part of the extraction electrode
Quartile is in outside the package main body, and the bottom end of the second end of the extraction electrode and the supporter is in same plane, institute
The middle section for stating extraction electrode is located between the first end and second end of extraction electrode.
Preferably, the package main body side is close in the middle section,
The side of package main body described in the side surface composition of the side surface of the encapsulated member and the supporter,
The side surface of the encapsulated member is adjacent with the bottom surface of the encapsulated member,
The side surface of the supporter is adjacent with the bottom end end face of the supporter.
Preferably, the extraction electrode includes the first part extended in the encapsulated member and in the supporter
The second part of extension, the bottom end end face of the exposed supporter in the end of the second part.
Preferably, the bottom end setting of the supporter is fluted, and a part of the extraction electrode is buckled in the groove.
Preferably, the conductive bodies include the first conductive bodies, and the extraction electrode includes the first extraction electrode and the
Two extraction electrodes
The first end of first extraction electrode is electrically connected with the first terminal of first conductive bodies, and described second draws
The first end of electrode is electrically connected with the Second terminal of first conductive bodies out,
The bottom end of the second end of first extraction electrode and the second end of the second extraction electrode with the supporter
In same plane.
Preferably, the supporter includes the first supporter and the second supporter,
First supporter and the second supporter both with respect to the encapsulated member the bottom surface protrusion predetermined altitude,
And the bottom end of the second end of first extraction electrode and first supporter is in same plane, described second
The bottom end of the second end of extraction electrode and second supporter is in same plane.
Preferably, the conductive bodies further include the second conductive bodies, and the extraction electrode further includes third extraction electrode
With the 4th extraction electrode,
The first end of the third extraction electrode is electrically connected with the first terminal of second conductive bodies, and the described 4th draws
The first end of electrode is electrically connected with the Second terminal of second conductive bodies out,
One bottom end in the second end of the third extraction electrode and first supporter and the second supporter
Another bottom end in same plane, in the first supporter and the second supporter described in the second end of the 4th extraction electrode
In same plane.
Preferably, the conductive bodies further include the second conductive bodies, and the extraction electrode further includes third extraction electrode
With the 4th extraction electrode, the supporter further includes third supporter and the 4th supporter, the third supporter and the 4th
Support body both with respect to the encapsulated member the bottom surface protrusion predetermined altitude,
The first end of the third extraction electrode is electrically connected with the first terminal of second conductive bodies, and the described 4th draws
The first end of electrode is electrically connected with the Second terminal of second conductive bodies out,
The bottom end of the second end of the third extraction electrode and the third supporter is in same plane, and the described 4th draws
The bottom end of electrode and the 4th supporter is in same plane out.
Preferably, the packaging is inductance, and first conductive bodies are first coil, first conductive bodies
First terminal be the first coil head end, the Second terminals of first conductive bodies is the tail of the first coil
End.
Preferably, the supporter is located at around the bottom surface of the backpack body.
Preferably, one of the discrete component selection inductance, capacitor, resistance.
Preferably, bottom end of a part of the extraction electrode with the bottom end for being located at the supporter or with the supporter
In same plane.
A kind of package assembling, comprising:
Packaging described in above-mentioned any one, first assembly and the second component,
The packaging is located in the first assembly, and the bottom end of the supporter is contacted with the first assembly, institute
It states extraction electrode to be electrically connected with the first assembly, the packaging is by the support body supports in the first assembly
Side,
There are the space between the bottom surface of the encapsulated member, the supporter and the first assembly, described
Two components are located in the first assembly, and are located in the space.
Preferably, further includes:
Plastic packaging material, the plastic packaging material fill the gap between the packaging and the second component, and the cladding envelope
Fill device.
Preferably, the first assembly is lead frame or printed circuit board.
Preferably, second component is semiconductor wafer or discrete electronic device.
Preferably, the package assembling is the component in power module, and second component is in the power module
Control chip or power switch tube
Therefore according to sustainable formula packaging provided by the utility model, since package main body is in addition to for wrapping
It seals outside the encapsulated member of coil, also there is the supporter relative to the low surface bulge of encapsulated member, each supporter is respectively positioned on institute
It states around encapsulated member, and makes a part of extraction electrode coplanar with the bottom end of supporter, therefore work as the packaging
When being electrically connected with external module, the packaging is mainly supported by supporter described in package main body.Therefore, comprising described
The package assembling of sustainable formula packaging can save space, not allow the damage for easily causing extraction electrode also, with higher
Production yield and reliability.
Detailed description of the invention
By referring to the drawings to the description of the utility model embodiment, above-mentioned and other mesh of the utility model
, feature and advantage will be apparent from, in the accompanying drawings:
Fig. 1 is a kind of existing induction structure schematic diagram of sustainable formula；
Fig. 2 is the schematic diagram of the conductor structure part in single-phase inductance；
Fig. 3 is the inductance semi-finished product structure schematic diagram according to single-phase sustainable formula provided by the embodiment of the utility model；
Fig. 4 is the induction structure schematic diagram according to single-phase sustainable formula provided by the embodiment of the utility model；
Fig. 5 is the main view of structure shown in Fig. 4；
Fig. 6 is the bottom view of structure shown in Fig. 4；
Fig. 7 is the top view of structure shown in Fig. 4；
Fig. 8 is the side view of structure shown in Fig. 4；
Fig. 9 is the schematic diagram of the conductor structure part in a pair of phase inductance；
Figure 10 is that the two-phase provided according to an embodiment of the present invention can support the inductance semi-finished product structure schematic diagram of formula；
Figure 11 is the bottom view of structure shown in Figure 10；
Figure 12 is the schematic diagram of the conductor structure part in another two-phase inductance；
Figure 13 is the structural schematic diagram that the two-phase provided according to another embodiment of the utility model can support the inductance of formula；
Figure 14 is according to package assembling structural schematic diagram provided by the embodiment of the utility model.
Specific embodiment
Hereinafter reference will be made to the drawings is more fully described the utility model.In various figures, identical component part uses
Similar appended drawing reference indicates.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.Furthermore, it is possible to not
Certain well known parts are shown.For brevity, the structure obtained after several steps can be described in a width figure.?
Described hereafter is this hairs.Bright many specific details, such as each module or process, it is practical to be more clearly understood that
It is novel.But just as the skilled person will understand, this reality can not be realized according to these specific details
With novel.
The utility model mainly provides a kind of packaging of sustainable formula, and the packaging specifically includes that encapsulation
Main body, conductive bodies and extraction electrode.The package main body includes packet supporter and the encapsulating for encapsulating the conductive bodies
Body, the supporter are located at the bottom surface of the encapsulated member, and the bottom surface protrusion predetermined altitude relative to the encapsulated member.Institute
It states extraction electrode to be electrically connected with the conductive bodies, and when the device is electrically connected by the extraction electrode with external module
When, the bottom end of the supporter is contacted with the external module, and the device is by the support body supports in the outer set
On part, and there are a spaces between the bottom end and the external module of the bottom surface of the encapsulated member, the supporter.
It can be with semiconductor chip also with discrete component according to the packaging provided by the utility model.Work as institute
When to state packaging be semiconductor chip, the package main body can be the plastic-sealed body that is formed by plastic package process, the conduction
Main body is semiconductor wafer (semiconductor bare chip, the chip of non-plastic packaging), and the extraction electrode can be drawing on lead frame
Foot, wherein the semiconductor wafer can be electrically connected by conductor with the pin on the lead frame.The extraction electrode
A part can be located at the supporter bottom end or be in same plane with the bottom end of the supporter, so as to so that
When the proper packaging is electrically connected by the extraction electrode with external module, the bottom end of the supporter and the outside
Component touch, then the package assembling can be by the support body supports on the external module, so as to keep away
The weight for exempting from the packaging itself is supported mainly by extraction electrode, so that extraction electrode is not easy to be deformed.Here it needs
It is noted that this part for being in same level with the bottom end of the supporter of the extraction electrode can be with the branch
The bottom end of support body contacts (bottom end surface that the described part is located at the supporter), can also be located at the bottom end of the supporter
Side, i.e., both do not contact.According to packaging provided by the utility model, the extraction electrode is led by the encapsulation
The exposed part of body is located at except the space, and the conductive bodies are all embedded in inside the encapsulated member, without by institute
It is exposed to state encapsulated member.
In addition, the packaging can also be the discrete components such as inductance, capacitor, resistance, then described conductive main
Body is the core composition part of the discrete component, which is encapsulated by the encapsulating main body, such as the conductive bodies can be with
For the coiler part etc. of inductance.The encapsulated member and supporter can be integrally formed, such as the package main body is magnetic metal
The magnet of compression moulding of powder, during forming the magnet, the gap in the conductive bodies is also by the magnetic
Property metal powder filling, i.e., the described conductive bodies are embedded in the magnet.
For the ease of packaging provided by the utility model is explained further, in each embodiment hereafter, by institute
Stating packaging is specially inductance, such as the inductance is specifically integrally formed formula inductance.The conductive bodies are the line of inductance
The utility model is explained further for circle part, wherein the first terminal of the conductive bodies can be the head end of coil,
The Second terminal of the conductive bodies can be the tail end of coil.In other embodiments, if the conductive bodies are semiconductor
Chip, the first terminal and Second terminal of the conductive bodies are respectively the electrode pad terminal of the semiconductor die on piece.Fig. 2
For the conductor part of single-phase inductance, which includes the conductive bodies and extraction electrode, and the conductive bodies are mainly wrapped
Include a coil 1, the first extraction electrode 21 being electrically connected with the head end of coil 1 and be electrically connected with the tail end of coil 1 second
Extraction electrode 22.It should be noted that head end herein refers to one end in 1 both ends of coil, tail end refers in 1 both ends of coil
The other end, and coil 1 can be the spiral coil constituted using conductor.And first extraction electrode 21, the second extraction electrode 22
It can be integrally formed with coil 1, or be respectively welded at the piece-shape type electrode slice at 1 both ends of coil.
Fig. 3 is the semi-finished product structure schematic diagram that the package main body of inductance is added on the basis of Fig. 2, as shown in figure 3, envelope
Filling main body 3 includes supporter and the encapsulated member (unmarked in Fig. 3) for encapsulating coil 1 (not showing in Fig. 3).Wherein,
The supporter includes the first supporter 31 and the second supporter 32, and the first end of the supporter includes the first supporter 31
The first end of first end and the second supporter 32, the second end of the supporter include the second end and second of the first supporter 31
The second end of supporter 32.The first end of the supporter is contacted with the bottom surface of the encapsulated member, and the of the supporter
Two ends are the bottom end of the supporter, i.e., the first end of the first end of described first supporter 31 and the second supporter 32 is and institute
Stating encapsulated member, (package main body 3 in Fig. 3 removes the remainder of the first supporter 31 and the second supporter 32, which is usually
The bodies shape structures such as cuboid, the cylindrical body of rule) and bottom surface (when inductance shown in Fig. 3 is electrically connected with external module, the bottom table
Face can be towards the external module) contact, and the second end end of the second end end face of the first supporter 31 and the second supporter 32
Both with respect to the scheduled height of bottom surface protrusion of the encapsulated member, which can be to be installed according to subsequent needs in face
The height of component to be installed between the bottom surface and external module of the encapsulated member determines that i.e. predetermined altitude needs are greater than
The height of the component to be installed, external module here can be lead frame or printed circuit board, and component to be installed can be with
For semiconductor bare chip or discrete electronic component etc..
As shown in Fig. 2 and Fig. 3, the first end of the extraction electrode includes that the first end of the first extraction electrode 21 and second are drawn
The first end of electrode 22 out, the second end of the extraction electrode include the second end and the second extraction electrode of the first extraction electrode 21
22 second end.Wherein, the first end of the first extraction electrode 21 and the first end of the second extraction electrode 22 head with coil 1 respectively
The packed main body 3 of the second end of end and tail end electrical connection, the second end of the first extraction electrode 21 and the second extraction electrode 22 is naked
It exposes outside.
After package main body is wrapped up conductor part shown in FIG. 1, bending process shape further is done to the extraction electrode
At sustainable formula induction structure schematic diagram as shown in figure 4, and for the induction structure in clearer display diagram 4, Fig. 5 is extremely
Fig. 8 illustrates view of the inductance as viewed from all directions in Fig. 4 respectively, if Fig. 5 is as viewed from the direction arrow C from Fig. 4
View (main view), Fig. 6 is the view (bottom view) as viewed from the opposite direction arrow A from Fig. 4, and Fig. 7 is from Fig. 4
The view (top view) looked of the direction arrow A, and Fig. 8 is the view (side view) as viewed from the direction arrow B from Fig. 4.?
On the basis of semi-finished product shown in Fig. 3, then the first extraction electrode 21 is packaged the exposed part of main body 3 along described first
Second extreme direction of support body 31 is bent, so that the first side that the first extraction electrode 21 is close to package main body extends to first
At the second end of support body 31, so that the second end of first electrode 21 and the second end (bottom end) of the first supporter 31 are in same
Second extraction electrode 22 is equally packaged the exposed part of main body 3 along the second end of second supporter 32 by plane
Direction bending, so that the second side that the second extraction electrode of inductance 22 is close to package main body 3 extends to the second supporter 32
At second end, so that the second end of second electrode 22 and the second end (bottom end) of the second supporter 32 are in same plane.For
Can to engage more preferably between each extraction electrode and corresponding supporter, as shown in Figure 3 and Figure 4, each branch
Be additionally provided with groove in the second end of support body, for example, positioned at the first supporter 31 second end groove 311 and be located at second
The groove 321 of the second end of supporter 32 can make the second end button of the first extraction electrode 21 when bending the extraction electrode
In groove 311, it is buckled in the second end of the second extraction electrode 22 in groove 321.First extraction electrode 21 and second draws electricity
It may be provided with welding layer on pole 22, so that the first extraction electrode 21 and the second extraction electrode 22 are led with encapsulation in a welding manner
Body 3 is combined and subsequent is electrically connected in a welding manner with external module.
From fig. 4, it can be seen that according to packaging provided by the utility model, since package main body is in addition to for encapsulating conductive master
Outside the encapsulated member of body, also there is the supporter relative to encapsulated member bottom surface protrusion, each supporter is respectively positioned on the packet
It seals around body, and makes the one end of extraction electrode with supporter far from the encapsulated member coplanar, therefore work as the wrapper
It when part is electrically connected with external module, does not need as the prior art shown in FIG. 1, it is entire to support to need extraction electrode itself
The weight of packaging, but packaging is mainly supported by the supporter of package main body itself.Therefore, practical according to this
For this sustainable formula packaging of novel offer when being mounted on external module, the bottom surface of the encapsulated member is described in
The second end (bottom end) of external module, each supporter is contacted with the external module, and each extraction electrode
Second end is electrically connected with the external module, it is clear that the packaging is by each support body supports described at this time
On external module, and exist between the encapsulated member and the external module for accommodating other component (such as semiconductor bare chips
Or discrete electronic component) space, be conducive to save space, while will not also be easy to cause the damage of extraction electrode, have compared with
High production yield and reliability.
In sustainable formula packaging shown in Fig. 4, since package main body 3 is being wrapped up conductor structure shown in FIG. 1
Before, the bending process of certain shapes is not carried out to each extraction electrode in Fig. 1, but after forming package main body 3
The bending process carried out again, therefore, the middle section of each extraction electrode, the i.e. middle section of the first extraction electrode 21 and
The middle section of second extraction electrode 22 is respectively positioned on except package main body 3, described here to carry out subsequent bending process
Middle section refers to the part between the first end and second end of each extraction electrode.And in Fig. 4, each middle part
Divide each side for being close to package main body 3, however in other embodiments, each middle section can not also be with encapsulation
Each side of main body 3 contacts.In addition it is also necessary to explanation, the side of package main body 3 by encapsulated member side surface with it is each
The side surface composition of the supporter, wherein the side surface of the encapsulated member is adjacent with the bottom surface of the encapsulated member, the branch
The side of support body is located between the surface of first end and the surface of second end of the supporter.For example, the first supporter 31
First side surface composition of the first side surface and the encapsulated member first side of package main body 3, in one embodiment, first
The middle section of extraction electrode 21 is located in the first side of package main body 3.Equally, the first side surface of the second supporter 31 and
Second side surface of the encapsulated member constitutes the second side of package main body 3, in one embodiment, the second extraction electrode 22
Middle section is located in the second side of package main body 3.Wherein, the first side surface of the encapsulated member and the second side surface phase
It is right, and the first side of package main body 3 is opposite with second side.
In addition, in other embodiments, it is naked that the middle section of each extraction electrode can not also be packaged main body 3
Dew, such case are needed before wrapping up conductor structure shown in FIG. 1 with package main body 3, are first bent to each extraction electrode
Processing, so where the second end face for the supporter that the second end of each extraction electrode is first bent to and is subsequently formed at plane.
Therefore, in the other embodiments, the middle section of each extraction electrode includes first extended in the encapsulated member
Part and the second part that extends in the supporter, the end of the second part as the extraction electrode second
End, and the exposed second end (bottom end) in the supporter.
Continue as shown in Figures 3 and 4, according to sustainable formula packaging provided by the utility model, package main body
Encapsulated member and supporter are integrally formed, such as can use the metal die processed in advance, make conductor knot shown in Fig. 2
Structure is placed in the metal die according to scheduled position, then utilizes powder core press by conductor structure shown in Fig. 2 and magnetic
Property compression moulding of metal powder at structure as shown in Figure 3, i.e., in a certain embodiment, package main body be magnetic metal powder
The magnet of a last compression moulding.
According to the conductive bodies of sustainable formula packaging provided by the utility model, not only it is only applicable to include one
The device of the conductive bodies, be also applied for include multiple conductive bodies device.For example, being not only applicable not only to shown in Fig. 4
Single-phase inductance, be similarly suitble to two or more multiphase induction structures.As shown in figure 9, its leading for two-way inductance
Body structure division, i.e., in this embodiment, the conductive bodies include the first conductive bodies and the second conductive bodies, described first
Conductive bodies.Figure 10 is the semi-finished product structure schematic diagram that package main body is added on the basis of Fig. 9, and Figure 11 is knot shown in Figure 10
The bottom view of structure.Since Fig. 4 has clearly illustrated the structure according to sustainable formula packaging provided by the utility model
Therefore schematic diagram does not continue to provide and the sustainable formula induction structure schematic diagram of the matched finished product of Figure 10 institute.As Fig. 9-11 institute
Show, can support in formula inductance in the two-phase provided according to an embodiment of the present invention, first conductive bodies include such as Fig. 1
Shown in first coil 1, second conductive bodies include the second coil 4 coupled with first coil 1, the sustainable formula envelope
Dress device still further comprises third extraction electrode 51 that first end is electrically connected with the head end of the second coil 4 and tail end respectively and the
Four extraction electrodes 52.In addition, the supporter further includes third supporter 33 and the 4th supporter 34, the first of the supporter
End further includes the first end of third supporter 33 and the first end of the 4th supporter 34, and the second end of the supporter further includes
The second end of three supporters 33 and the second end of the 4th supporter 34, equally, the of third supporter 33 and the 4th supporter 34
Fluted 331 and groove 341 are respectively set in two ends.Although Figure of description does not provide the final finished of the inductance of the present embodiment
Figure, but in the present embodiment, also inductance as shown in Figure 4 is such, the second end and third supporter of third extraction electrode 51
313 the second end in contact and it is in same plane, specifically, the second end of third extraction electrode 51 is buckled in groove 331, the
The second end of four extraction electrodes 52 is contacted with the second end of the 4th supporter 34 is in same plane, and the 4th extraction electrode 52
Second end is buckled in groove 341.Positional relationship between third extraction electrode 51 and the 4th extraction electrode 52 and package main body 3
Can and the first extraction electrode 21 and the second extraction electrode 22 it is identical as the positional relationship of package main body 3, be not repeated herein.
According in sustainable formula two-phase inductance provided by the utility model shown in Fig. 9-11, in order to make first coil 1
And second coefficient of coup between coil 4 is larger, can making first coil 1 and the second coil, lamination is placed on package main body up and down
In 3.However, needing the coefficient of coup of two coils in two-phase inductance smaller in some applications, then first coil 1
With the second coil 4 can also side by side and setting spaced apart, it is specific as shown in Figure 12 and Figure 13, the two attached drawings illustrate
Conductor part and finished product structure schematic diagram according to the two-phase inductance that another embodiment of the utility model provides.The present embodiment provides
Two-phase can support the sustainable formula inductance of formula inductance and two-phase provided by above-described embodiment in addition to the placement position of coil is different
Except, the number configuration of the supporter is also different, as shown in Figures 12 and 13, in the present embodiment, the branch of the package main body 3
The number of support body and configuration are identical as in Fig. 4, i.e. only the first supporter 31 and the second supporter 32, then, third is drawn
The second end of electrode 51 can be with one in the second end of the first supporter 31 in Fig. 4 and the second end of the second supporter 32
The second end and second of contact and the first supporter 31 in same plane, the second end and Fig. 4 of the 4th extraction electrode 52
Another in the second end of supporter 22 contacts and is in same plane, and the second end of third extraction electrode 51 and the 4th is drawn
The second end of electrode 52 can be buckled in the groove of corresponding supporter out.
The utility model still further provides a kind of comprising can support according to described in the utility model any embodiment
The structural schematic diagram of the package assembling of formula packaging, the package assembling is as shown in figure 14, still further comprises first assembly 6
With the second component 7, the packaging be located at first group 6 on, the second end of the supporter 31 and 32 with described first group
Part 6 contacts, and the extraction electrode 21 and 22 is electrically connected with the first assembly 6, and the encapsulated member passes through the support body supports
Above the first assembly 6, wherein deposited between the bottom surface of the encapsulated member, the supporter and the first assembly 6
In a space, second component 7 is located in the first assembly 6, and is located in the space.In addition, the package assembling
It further include plastic packaging material 8, the plastic packaging material 8 fills the gap between the inductance and the second component 7, and the cladding inductance.
The first assembly 6 is lead frame or printed circuit board, and second component 7 is semiconductor bare chip or discrete electronics member
Device.Specifically, the package assembling can be the package assembling in power module, then second component 7 can be electricity
Control chip or power switch tube in source module.
To sum up, according to packaging provided by the utility model, since package main body is in addition to for encapsulating coil
Outside encapsulated member, also there is the supporter relative to encapsulated member bottom surface protrusion, each supporter is respectively positioned on the encapsulated member
Around, and make the one end of extraction electrode with supporter far from the encapsulated member coplanar, therefore when by the packaging with
When external module is electrically connected, packaging is mainly supported by the supporter of package main body itself.Therefore, it is propped up comprising described
The package assembling of support formula packaging can save space, not allow the damage for easily causing extraction electrode, production with higher also
Yield and reliability.
It is as described above according to the embodiments of the present invention, these embodiments details all there is no detailed descriptionthe,
Also not limiting the utility model is only the specific embodiment.Obviously, as described above, many modification and change can be made
Change.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the principles of the present invention and actually to answer
With so that skilled artisan be enable to utilize the utility model and repairing on the basis of the utility model well
Change use.The utility model is limited only by the claims and their full scope and equivalents.
Claims (21)
1. a kind of packaging of sustainable formula, comprising: package main body, conductive bodies and extraction electrode,
The package main body includes supporter and the encapsulated member for encapsulating the conductive bodies, and the supporter is located at the packet
The bottom surface of body, and the bottom surface protrusion predetermined altitude relative to the encapsulated member are sealed,
The extraction electrode is electrically connected with the conductive bodies, and the extraction electrode is a part of exposed in the package main body
Except, when the device is electrically connected by the extraction electrode with external module, the bottom end of the supporter and the outside
Component touch, the device by the support body supports on the external module, and it is the bottom surface of the encapsulated member, described
There are a space between the bottom end of supporter and the external module, the extraction electrode is exposed by the package main body
Part is located at except the space, and the conductive bodies are all embedded in inside the encapsulated member, without exposed by the encapsulated member.
2. packaging according to claim 1, which is characterized in that the packaging is inductance.
3. packaging according to claim 2, which is characterized in that the inductance is integrally formed formula inductance.
4. packaging according to claim 1, which is characterized in that the packaging is semiconductor chip or discrete member
Device.
5. packaging according to claim 1, which is characterized in that the first end of the extraction electrode and the conductive master
Body electrical connection, the middle section of the extraction electrode is located at outside the package main body, and the second end of the extraction electrode and institute
The bottom end for stating supporter is in same plane, and the middle section of the extraction electrode is located at the first end and second end of extraction electrode
Between.
6. packaging according to claim 5, which is characterized in that be close to the package main body side in the middle section
Face,
The side of package main body described in the side surface composition of the side surface of the encapsulated member and the supporter,
The side surface of the encapsulated member is adjacent with the bottom surface of the encapsulated member,
The side surface of the supporter is adjacent with the bottom end end face of the supporter.
7. packaging according to claim 1, which is characterized in that the extraction electrode, which is included in the encapsulated member, to be prolonged
The first part stretched and the second part extended in the supporter, the exposed supporter in the end of the second part
Bottom end end face.
8. packaging according to claim 1, which is characterized in that the bottom end setting of the supporter is fluted, described
A part of extraction electrode is buckled in the groove.
9. packaging according to claim 1, which is characterized in that the conductive bodies include the first conductive bodies, institute
Stating extraction electrode includes the first extraction electrode and the second extraction electrode
The first end of first extraction electrode is electrically connected with the first terminal of first conductive bodies, and described second draws electricity
The first end of pole is electrically connected with the Second terminal of first conductive bodies,
The second end of first extraction electrode and the second end of the second extraction electrode are in same with the bottom end of the supporter
One plane.
10. packaging according to claim 9, which is characterized in that the supporter includes the first supporter and second
Supporter,
First supporter and the second supporter both with respect to the encapsulated member the bottom surface protrusion predetermined altitude,
And the bottom end of the second end of first extraction electrode and first supporter is in same plane, described second draws
The bottom end of the second end of electrode and second supporter is in same plane.
11. packaging according to claim 10, which is characterized in that the conductive bodies further include second conductive main
Body, the extraction electrode further include third extraction electrode and the 4th extraction electrode,
The first end of the third extraction electrode is electrically connected with the first terminal of second conductive bodies, and the described 4th draws electricity
The first end of pole is electrically connected with the Second terminal of second conductive bodies,
One bottom end in the second end of the third extraction electrode and first supporter and the second supporter is in same
One plane, another the bottom end in the first supporter and the second supporter described in the second end of the 4th extraction electrode are in
Same plane.
12. packaging according to claim 10, which is characterized in that the conductive bodies further include second conductive main
Body, the extraction electrode further include third extraction electrode and the 4th extraction electrode, the supporter further include third supporter and
The bottom surface protrusion predetermined height of 4th supporter, the third supporter and the 4th supporter both with respect to the encapsulated member
Degree,
The first end of the third extraction electrode is electrically connected with the first terminal of second conductive bodies, and the described 4th draws electricity
The first end of pole is electrically connected with the Second terminal of second conductive bodies,
The bottom end of the second end of the third extraction electrode and the third supporter is in same plane, and the described 4th draws electricity
Pole and the bottom end of the 4th supporter are in same plane.
13. packaging according to claim 9, which is characterized in that the packaging is inductance, and described first is conductive
Main body is first coil, and the first terminal of first conductive bodies is the head end of the first coil, and described first is conductive main
The Second terminal of body is the tail end of the first coil.
14. packaging according to claim 1, which is characterized in that the supporter is located at the bottom table of the encapsulated member
Around face.
15. packaging according to claim 4, which is characterized in that the discrete component selects inductance, capacitor, resistance
One of.
16. packaging according to claim 1, which is characterized in that a part of the extraction electrode be located at the branch
The bottom end of support body is in same plane with the bottom end of the supporter.
17. a kind of package assembling, comprising:
Packaging described in any one of -16, first assembly and the second component according to claim 1,
The packaging is located in the first assembly, and the bottom end of the supporter is contacted with the first assembly, described to draw
Electrode is electrically connected with the first assembly out, the packaging by the support body supports above the first assembly,
There are the space between the bottom surface of the encapsulated member, the supporter and the first assembly, described second group
Part is located in the first assembly, and is located in the space.
18. package assembling according to claim 17, which is characterized in that further include:
Plastic packaging material, the plastic packaging material fill the gap between the packaging and the second component, and the cladding wrapper
Part.
19. package assembling according to claim 17, which is characterized in that the first assembly is lead frame or printing electricity
Road plate.
20. package assembling according to claim 17, which is characterized in that second component is semiconductor wafer or discrete
Electronic component.
21. package assembling according to claim 17, which is characterized in that the package assembling is the group in power module
Part, second component are control chip or power switch tube in the power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821852796.3U CN209374221U (en) | 2018-11-12 | 2018-11-12 | Sustainable formula packaging and package assembling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821852796.3U CN209374221U (en) | 2018-11-12 | 2018-11-12 | Sustainable formula packaging and package assembling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374221U true CN209374221U (en) | 2019-09-10 |
Family
ID=67836129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821852796.3U Withdrawn - After Issue CN209374221U (en) | 2018-11-12 | 2018-11-12 | Sustainable formula packaging and package assembling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390127A (en) * | 2018-11-12 | 2019-02-26 | 矽力杰半导体技术(杭州)有限公司 | Sustainable formula packaging and package assembling |
-
2018
- 2018-11-12 CN CN201821852796.3U patent/CN209374221U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390127A (en) * | 2018-11-12 | 2019-02-26 | 矽力杰半导体技术(杭州)有限公司 | Sustainable formula packaging and package assembling |
| CN109390127B (en) * | 2018-11-12 | 2024-01-30 | 矽力杰半导体技术(杭州)有限公司 | Supportable package device and package assembly |
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