CN208241974U - Integrated circuit board and electric terminal - Google Patents

Integrated circuit board and electric terminal Download PDF

Info

Publication number
CN208241974U
CN208241974U CN201820585519.4U CN201820585519U CN208241974U CN 208241974 U CN208241974 U CN 208241974U CN 201820585519 U CN201820585519 U CN 201820585519U CN 208241974 U CN208241974 U CN 208241974U
Authority
CN
China
Prior art keywords
electrical component
integrated circuit
circuit board
hollowed out
out area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201820585519.4U
Other languages
Chinese (zh)
Inventor
袁培翠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Pico Technology Co Ltd
Original Assignee
Qingdao Pico Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Pico Technology Co Ltd filed Critical Qingdao Pico Technology Co Ltd
Priority to CN201820585519.4U priority Critical patent/CN208241974U/en
Application granted granted Critical
Publication of CN208241974U publication Critical patent/CN208241974U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a kind of integrated circuit board and electric terminals.The integrated circuit board includes printed wiring board and electrical component, electrical component is integrated into printed wiring board, electrical component is connect by the circuit layout of printed wiring board with other electronic equipments, printed wiring board includes ground metal layer, and ground metal layer forms hollowed out area in region corresponding with electrical component.A technical problem to be solved in the utility model is that the metal ground plane of existing integrated circuit board covers entire plate, causes the temperature drift phenomenon of electrical component.One purposes of utility model is for various electric terminals.

Description

Integrated circuit board and electric terminal
Technical field
The utility model relates to field of circuit technology, more specifically, the utility model relates to a kind of integrated circuit board and Electric terminal.
Background technique
IMU is a kind of device for measuring object triaxial attitude angle (or angular speed) and acceleration.IMU Aeronautics and Astronautics, It is widely used in terms of household electrical appliance, portable device.For example, the mainboard of VR equipment be generally integrated master chip, power supply chip with And IMU.The power consumption of master chip and power supply chip is very big, and the ground connection layers of copper in existing mainboard is usually integrally covered on circuit cloth Around figure, heat is conducted with ground connection layers of copper, be easy to cause environment temperature excessively high.
However, the zero bias of IMU are highly prone to the influence of environment temperature.The heat of ground connection layers of copper conduction can be such that IMU rises rapidly There is " temperature drift " phenomenon to cause the performance of VR equipment unstable in temperature.
Utility model content
One purpose of the utility model is to provide a kind of new solution of integrated circuit board.
One aspect according to the present utility model provides a kind of integrated circuit board.The integrated circuit board includes printed wire Plate and electrical component, the electrical component are integrated into printed wiring board, the electricity that the electrical component passes through printed wiring board Road Butut is connect with other electronic equipments, and the printed wiring board includes ground metal layer, the ground metal layer with it is described The corresponding region of electrical component forms hollowed out area.
Optionally, the ground metal layer extends internally, and to form ground line, the ground line is located at the hollowed out area Interior, the ground line is connect with the grounding point of the electrical component.
Optionally, the ground line is straight line, and the plated-through hole for ground connection nearest with distance is connect.
Optionally, fill insulant or the hollowed out area are exposed in external environment in the hollowed out area.
Optionally, the printed wiring board includes the multiple ground metal layers being stacked together, the multiple Ground metal layer is respectively formed the hollowed out area in region corresponding with the electrical component.
Optionally, multiple ground metal layers are electrically connected by plated-through hole.
Optionally, the area of the hollowed out area is greater than orthographic projection of the electrical component in the printed wiring board Area.
Optionally, the geometric center of the orthographic projection of the electrical component is overlapped with the geometric center of the hollowed out area, and And the electrical component and the corresponding side of the hollowed out area are adjacent and parallel.
Optionally, corner of the ground metal layer in the hollowed out area makees chamfering.
Second aspect according to the present utility model provides a kind of electric terminal.The electric terminal includes the utility model The integrated circuit board provided.
One of the utility model has technical effect that the ground metal layer of integrated circuit board is corresponding with electrical component Region formed hollowed out area.Even heat is prevented to conduct via ground metal layer to electrical component in such manner, it is possible to effectively slow down, Such as on IMU, to efficiently reduce the temperature drift phenomenon for even being eliminated electrical component, the durability of integrated circuit board is improved And stability
In addition, the integrated circuit board can save raw material.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other Feature and its advantage will become apparent.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiments of the present invention, and uses together with the description In explanation the principles of the present invention.
Fig. 1 is the structural schematic diagram of the integrated circuit board of one embodiment according to the present utility model.
Description of symbols:
11: hollowed out area;12: layers of copper;13: ground metallization through-hole;13a: apart from nearest ground metallization through-hole; 14: ground line;15: function pads;16: chamfering.
Specific embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited The scope of the utility model processed.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical Novel and its application or any restrictions used.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation Under, the technology and equipment should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is the structural schematic diagram of the integrated circuit board of one embodiment according to the present utility model.
Integrated circuit board can be, but not limited to, the mainboard of electric terminal, wiring board of local electronic device etc..Such as Fig. 1 Shown, which includes printed wiring board and electrical component.For example, electrical component is IMU, temperature-sensitive sticker, Mike Wind, bluetooth module, GPS module, pressure sensor, humidity sensor etc..
The electrical component is integrated into printed wiring board.Electrical component passes through the circuit layout of printed wiring board and other Electronic equipment connection.For example, circuit layout exposes function pads 15 on the surface insulation layer of printed wiring board.It is welded by soldering The mode connect welds together the pad of electrical component with corresponding function pads 15.Those skilled in the art can be according to reality Border needs that circuit layout is arranged.
Printed wiring board includes ground metal layer.Ground metal layer can effectively shield external signal for being grounded Interference reduces noise signal.
Specifically, ground metal layer is made by metallic conductor, for example, layers of copper 12, aluminium layer, tin layers, silver layer etc.. Ground metal layer outsourcing insulating layer coating.Ground metal layer can be one layer, or the multilayer being stacked.The ground connection of multilayer It is mutually isolated by insulating layer between metal layer.In the utility model embodiment, ground metal layer is opposite with electrical component The region answered forms hollowed out area 11.For example, ground metal layer is hollowed out for installing the region of electrical component scheduled Processing, to form hollowed out area 11.The shape in the surface that printed wiring board contacts of the shape of hollowed out area 11 and electrical component Shape matches.For example, circle, rectangle, square, triangle, diamond shape, ellipse etc..
In the utility model embodiment, the ground metal layer of integrated circuit board is in region corresponding with electrical component shape At hollowed out area 11.Even heat is prevented to conduct via ground metal layer to electrical component in such manner, it is possible to effectively slow down, such as On IMU, to efficiently reduce the temperature drift phenomenon for even being eliminated electrical component, the durability of integrated circuit board and steady is improved It is qualitative
In addition, the integrated circuit board can save raw material.
Preferably, in the step of insulating layer is set, the fill insulant in the hollowed out area 11, for example, asphalt mixtures modified by epoxy resin The materials such as rouge.Insulating materials has good thermal resistance effect, can effectively slow down the heat for even high-power components being prevented to distribute In amount conduction to electrical component.
In other examples, which is exposed in external environment.For example, forming heat dissipation on a printed-wiring board Hole.Heat release hole is opposite with electrical component.In this way, the heat of ground metal layer conduction can promptly be dispersed into outside In environment, to accelerate the cooling rate of integrated circuit board, avoid impacting electrical component.
In one example, ground metal layer extends internally, to form ground line 14.Ground line is located in hollowed out area. In the region for inwardly referring to ground metal layer encirclement.Ground line 14 is connect with the grounding point of electrical component.For example, ground metal layer For layers of copper 12.As shown in Figure 1, extending to form ground line 14 into hollowed out area 11 from layers of copper 12.Ground line 14 and electrical component Corresponding pad solder together.Electrical component is grounded by ground line 14, rather than is directly connect with layers of copper 12.This Kind set-up mode equally realizes good earthing effect.
Preferably, ground line 14 is straight line, and the plated-through hole for ground connection nearest with distance is connect.For example, As shown in Figure 1, ground line 14 is two.Plated-through hole passes through the through-hole through upper and lower surfaces in printed wiring board Inner surface does metalized and the hole that is formed, such as plates metal material, to form metal layer.Plated-through hole can be led Electricity.Two ground metallization through-hole 13a connections nearest at a distance from outside hollowed out area 11 respectively of ground line 14, and pass through the gold 14 conducting of categoryization through-hole 13a and main ground line.It is arranged to curve, broken line, meander line or irregular shape line with 14 will be grounded It compares, the area of the ground line 14 of linear is minimum, can reduce heat-conducting area, further prevent the generation of temperature drift.
In addition, ground line 14 is connect with apart from nearest ground metallization through-hole 13a, so that the shield effectiveness of noise signal More preferably.
In one example, multiple ground metal layers are respectively formed hollowed out area 11 in region corresponding with electrical component. Multilayer layers of copper 12 hollows out processing in the position of setting electrical component, to form the hollowed out area 11 of same shape.Pass through this Kind mode, heat can be obstructed via the conduction of multiple layers of copper 12 by hollowed out area 11, without being rapidly transferred to electrical component On.
Preferably, multiple ground metal layers are electrically connected by plated-through hole.Plated-through hole is connected with each metal layer, To make each layer of earth-continuity.
Preferably, the area of hollowed out area 11 is greater than the area of the orthographic projection of electrical component on a printed-wiring board.Electrically Element is installed in hollowed out area 11.Upright projection of the orthographic projection, that is, electrical component on the surface of printed wiring board.For example, The orthographic projection of electrical component is rectangle or square.Correspondingly, the entirety of hollowed out area 11 be rectangle or square. The area of hollowed out area 11 is greater than the area of orthographic projection.In this way, ground metal layer and electrical component do not have overlapped region. The heat of ground metal layer conduction will not be directly conducted on electrical component, so as to effectively completely cut off heat.
Preferably, the geometric center of the orthographic projection of electrical component is overlapped with the geometric center of hollowed out area 11, and electrical Element and the corresponding side in hollowed out area 11 are adjacent and parallel.For example, the long side of orthographic projection is corresponding with the long side of hollowed out area 11; The short side of orthographic projection is corresponding with the short side of hollowed out area 11.In this way, by ground metal layer conduction heat not It can take a shortcut and conduct to electrical component, the heat insulation around electrical component is uniform, to significantly reduce temperature drift.
In one example, circuit layout includes the function pads 15 connecting with electrical component.Function pads 15, which are located at, engraves In empty region 11.As shown in Figure 1, multiple function pads 15 include pad, the pad of input/output signal etc. of power supply.These Function pads 15 extend in hollowed out area 11, become easy the welding of electrical component;It saves on the other hand The space at other positions.
In one example, corner of the ground metal layer in hollowed out area 11 makees chamfering 16.For example, square or The four corners rounded corner or oblique angle of rectangular hollowed out area 11.Chamfering 16 can prevent from occurring in printed wiring board straight Angle.Those skilled in the art can be set according to actual needs the size of chamfering 16.Chamfering 16 enables to signal transmission effect More preferably, noise signal is reduced.
In addition, chamfering can prevent point discharge phenomenon.
Another embodiment according to the present utility model, provides a kind of electric terminal.Electric terminal can be but not office Be limited to VR equipment, AR equipment, smart phone, television set, computer, smartwatch, game machine, intercom, printer, camera, Video camera etc..
The electric terminal includes integrated circuit board provided by the utility model.The electric terminal has good heat dissipation effect, property The stable feature of energy.
Although being described in detail by some specific embodiments of the example to the utility model, this field It is to be understood by the skilled artisans that above example merely to be illustrated, rather than in order to limit the scope of the utility model.This Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case where, to above embodiments It modifies.The scope of the utility model is defined by the following claims.

Claims (10)

1. a kind of integrated circuit board, which is characterized in that including printed wiring board and electrical component, the electrical component is integrated into In printed wiring board, the electrical component is connect by the circuit layout of printed wiring board with other electronic equipments, the printing Wiring board includes ground metal layer, and the ground metal layer forms hollowed out area in region corresponding with the electrical component.
2. integrated circuit board according to claim 1, which is characterized in that the ground metal layer extends internally, to be formed Ground line, the ground line are located in the hollowed out area, and the ground line is connect with the grounding point of the electrical component.
3. integrated circuit board according to claim 2, which is characterized in that the ground line is straight line, and most with distance The close plated-through hole connection for ground connection.
4. integrated circuit board according to claim 1, which is characterized in that in the hollowed out area fill insulant or Hollowed out area described in person is exposed in external environment.
5. integrated circuit board according to claim 1, which is characterized in that the printed wiring board includes being stacked one The multiple ground metal layers risen, the multiple ground metal layer is in the equal shape in region corresponding with the electrical component At the hollowed out area.
6. integrated circuit board according to claim 5, which is characterized in that multiple ground metal layers are logical by metallization Hole electrical connection.
7. integrated circuit board according to claim 1, which is characterized in that the area of the hollowed out area is greater than described electrical The area of orthographic projection of the element in the printed wiring board.
8. integrated circuit board according to claim 7, which is characterized in that the geometric center of the orthographic projection of the electrical component It is overlapped with the geometric center of the hollowed out area, and the corresponding side of the electrical component and the hollowed out area is adjacent and flat Row.
9. integrated circuit board according to claim 1, which is characterized in that the ground metal layer is in the hollowed out area Corner makees chamfering.
10. a kind of electric terminal, which is characterized in that including the integrated circuit board as described in any one in claim 1-9.
CN201820585519.4U 2018-04-23 2018-04-23 Integrated circuit board and electric terminal Active CN208241974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820585519.4U CN208241974U (en) 2018-04-23 2018-04-23 Integrated circuit board and electric terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820585519.4U CN208241974U (en) 2018-04-23 2018-04-23 Integrated circuit board and electric terminal

Publications (1)

Publication Number Publication Date
CN208241974U true CN208241974U (en) 2018-12-14

Family

ID=64584716

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820585519.4U Active CN208241974U (en) 2018-04-23 2018-04-23 Integrated circuit board and electric terminal

Country Status (1)

Country Link
CN (1) CN208241974U (en)

Similar Documents

Publication Publication Date Title
US20160095203A1 (en) Circuit board
US10117322B2 (en) Circuit assembly and electric junction box
US9554453B2 (en) Printed circuit board structure with heat dissipation function
JP2004071670A (en) Ic package, connecting structure and electronic apparatus
CN110337178B (en) Circuit board assembly and electronic equipment
CN108074898A (en) Semiconductor packages
US20240008167A1 (en) Heat dissipation apparatus and electronic device
CN213694596U (en) Circuit board structure and electronic equipment
US7254032B1 (en) Techniques for providing EMI shielding within a circuit board component
US20170133314A1 (en) Package structure and fabricating method thereof
CN107197595B (en) Printed circuit board and welding design thereof
CN102164453A (en) Circuit module
AU2017403198B2 (en) Mainboard for consumer electronic product, and terminal
CN208241974U (en) Integrated circuit board and electric terminal
JP2003283144A (en) Heat radiating structure of circuit board
JP6007566B2 (en) Component built-in wiring board and heat dissipation method of component built-in wiring board
CN211062704U (en) Chip module and electronic equipment
US20210134702A1 (en) Electronic device having a chip package module
CN210093654U (en) Double-sided PCB with stable bonding pad structure
CN207783410U (en) Chip, circuit board assemblies and mobile terminal
CN207573221U (en) A kind of modular power source
CN111341740A (en) Novel power management chip packaging system
CN104640350B (en) Circuit board module
JP2001223452A (en) Circuit board
CN206963178U (en) A kind of power supply thickness copper coin with excellent conductive performance

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Integrated circuit board and electron terminal

Effective date of registration: 20200522

Granted publication date: 20181214

Pledgee: Bank of China Limited Qingdao hi tech Industrial Park sub branch

Pledgor: QINGDAO XIAONIAO KANKAN TECHNOLOGY Co.,Ltd.

Registration number: Y2020370010017

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210630

Granted publication date: 20181214

Pledgee: Bank of China Limited Qingdao hi tech Industrial Park sub branch

Pledgor: QINGDAO XIAONIAO KANKAN TECHNOLOGY Co.,Ltd.

Registration number: Y2020370010017