CN206272939U - Flexible PCB steel disc reinforcing chip - Google Patents
Flexible PCB steel disc reinforcing chip Download PDFInfo
- Publication number
- CN206272939U CN206272939U CN201621219077.9U CN201621219077U CN206272939U CN 206272939 U CN206272939 U CN 206272939U CN 201621219077 U CN201621219077 U CN 201621219077U CN 206272939 U CN206272939 U CN 206272939U
- Authority
- CN
- China
- Prior art keywords
- steel disc
- reinforcement steel
- flexible pcb
- heat dissipation
- dissipation channel
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of flexible PCB steel disc reinforcing chip, including the reinforcement steel disc for being attached to flexible circuit back, offered on the reinforcement steel disc from reinforcement steel disc upper surface and be through to the side of reinforcement steel disc or the heat dissipation channel of bottom surface, in the utility model, heat dissipation channel plays a part of radiating to the back side of flexible PCB, so as to reduce the temperature of flexible circuit plate surface, ensure that flexible PCB can be used normally in high temperature environments, with preferable service life.
Description
Technical field
The utility model is related to flexible PCB to produce and process field, more particularly to a kind of flexible PCB steel disc reinforcement
Piece.
Background technology
Flexible PCB abbreviation soft board, is the printed circuit board (PCB) being made of flexible insulating substrate, due to it has can be with
Function not available for the rigid printed circuit boards such as free bend, winding, folding, flexible print circuit board is manufacturing completion
Afterwards, in addition it is also necessary to fitted in the compacting of its ad-hoc location by the steel disc with mechanical protection performance and turn into final flexible printed wiring
Panel products, however, existing surface is formed with after the reinforcement steel disc of metal level fits with flexible PCB, flexible PCB with mend
The problems such as easily there is bubble, be layered and come off between strong steel disc.
In order to solve the above problems, in number of patent application is for a Chinese patent document of " 201320313606.1 ",
A kind of flexible PCB reinforcement steel disc, including steel disc and the metal level positioned at steel disc surface are described, wherein, metal level deviates from steel
The surface of piece is male and fomale(M＆F), and the peak of male and fomale(M＆F) is less than the peak of male and fomale(M＆F) with the vertical range of the minimum point of male and fomale(M＆F)
With vertical range from metal level to the surface of steel disc, the male and fomale(M＆F) of metal level has certain roughness, deviates from metal level
The surface of steel disc be rough surface under conditions of, when the male and fomale(M＆F) of metal level is fitted with flexible PCB by conducting resinl,
Can ensure that the metal level that coating surface is male and fomale(M＆F) has than larger fitting area with conducting resinl, so that reinforcement steel disc
Peeling force enhancing between flexible PCB, it is to avoid be fitted with the flexible PCB of reinforcement steel disc in follow-up operating process
In, the phenomenon for foaming occur, being layered and coming off.
But, above-mentioned steel disc reinforcing chip is disadvantageous in that, flexible due to being provided with operating die on flexible PCB
Circuit board can produce substantial amounts of heat when working, and steel disc reinforcing chip is attached to the back side of flexible PCB, and steel disc reinforcing chip stops
The backside heat performance of flexible PCB, so as to cause the temperature of whole flexible PCB too high, influences making for flexible PCB
Use the life-span.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of flexible PCB to be mended with steel disc
Strong piece, preferable heat dispersion is played to flexible PCB, so as to ensure that flexible PCB has preferable service life.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of flexible PCB is used
Steel disc reinforcing chip, including for being attached to the reinforcement steel disc of flexible circuit back, offered on the reinforcement steel disc from reinforcement steel
Piece upper surface is through to the side of reinforcement steel disc or the heat dissipation channel of bottom surface.
By above-mentioned technical proposal, the side or bottom surface that reinforcement steel disc is through to from upper surface are offered on reinforcement steel disc
Heat dissipation channel, reinforcement steel disc is bonded on flexible PCB, the heat of flexible circuit back is entered into heat dissipation channel,
Finally distributed from heat dissipation channel, in the utility model, heat dissipation channel plays the work of radiating to the back side of flexible PCB
With so as to reduce the temperature of flexible circuit plate surface, guarantee flexible PCB can be used normally in high temperature environments, with preferable
Service life.
Preferably, the reinforcement steel disc upper surface is provided with the salient point of semi-spherical shape, and the heat dissipation channel includes being arranged on
Air inlet at the top of salient point.
By above-mentioned technical proposal, reinforcement steel disc upper surface sets the salient point of semi-spherical shape, and heat dissipation channel includes being arranged on
Air inlet at the top of salient point, air inlet is arranged on the top of salient point, and the upper table of reinforcement steel disc is above at the opening of air inlet
Face, sets the upper surface higher than reinforcement steel disc, then by conductive glue in the upper of reinforcement steel disc by the open height of air inlet
On surface, the height of the conducting resinl after coating is substantially equal to the open height of air inlet, the setting of salient point, convenient coating conducting resinl
When avoid air inlet, it is to avoid conducting resinl is penetrated into air inlet, so that air inlet keeps preferable patency.
Preferably, the heat dissipation channel is through to the lower surface of reinforcement steel disc from the upper surface of reinforcement steel disc straight down,
The internal diameter of the heat dissipation channel gradually expands from the top down.
By above-mentioned technical proposal, heat dissipation channel is through under reinforcement steel disc straight down from the upper surface of reinforcement steel disc
Surface, the internal diameter of heat dissipation channel gradually expands from the top down, so that the heat-dissipating space of heat dissipation channel becomes larger from the top down,
Be conducive to heat to enter into heat dissipation channel quickly to spread apart, the heat dispersion for reaching is preferable.
Preferably, the upper surface arranged distribution of the reinforcement steel disc has several concave points that depression is formed downwards.
By above-mentioned technical proposal, when conducting resinl is coated, conducting resinl can be filled into concave point, by the setting of concave point,
Increase the consumption and conducting resinl of conducting resinl and the contact area of reinforcement steel disc, so that the bonding effect that conducting resinl is played is more
It is good.
Preferably, the lower surface of the reinforcement steel disc is provided with copper metal thickening layer.
By above-mentioned technical proposal, copper metal thickening layer is arranged on the lower surface of reinforcement steel disc, the enhancing of copper metal thickening layer
The thickness of reinforcement steel disc so that reinforcement steel disc is unlikely to deform, structural strength becomes strong, meanwhile, copper metal thickening layer have compared with
Good heat conductivility, can be gone out from gas outlet heat out by copper metal thickening layer Quick diffusing, optimize reinforcement steel disc
Heat dispersion.
Preferably, the heat dissipation channel includes the gas outlet for being through to reinforcement steel disc lower surface, and the copper metal is thickened
The diffusing opening corresponding with gas outlet is provided with layer.
By above-mentioned technical proposal, the diffusing opening vertically through copper metal piece upper and lower surface is provided with copper metal piece,
The internal diameter of diffusing opening gradually increases from the top down, and the upper end of diffusing opening is corresponding with gas outlet, and diffusing opening can lead to radiating
Heat in road is normal from gas outlet discharge, and is scatter in diffusing opening, and heat is delivered to copper gold by the inwall of diffusing opening
On category piece, transferred heat away from by the heat conductivility of copper metal piece, by the cooperation of gas outlet and diffusing opening, lead to radiating
Heat in road is timely spread, and improves radiating efficiency.
Preferably, it is coated with the tearable lower sealing film for removing on the diffusing opening of the copper metal thickening layer.
By above-mentioned technical proposal, lower sealing film bonding is sealed the lower surface diffusing opening of copper metal thickening layer, will do not mended
Before strong steel disc is bonded on flexible PCB, lower sealing film can be bonded in the lower surface of copper metal thickening layer, by lower sealing film
Diffusing opening is sealed, it is to avoid dust or foreign matter enter into heat dissipation channel the blocking for causing heat dissipation channel by diffusing opening, incited somebody to action
Before reinforcement steel disc is bonded in flexible PCB, lower sealing film is removed from copper metal thickening layer, then again by reinforcement steel
Piece is bonded on flexible PCB by conducting resinl, and lower sealing film realizes the sealing protection to diffusing opening.
Preferably, the tearable upper sealing film for removing is coated with the air inlet.
By above-mentioned technical proposal, upper sealing film bonding is sealed into air inlet, to the air inlet of the upper surface of reinforcement steel disc
Play a part of sealing, it is to avoid dust or foreign matter are entered into heat dissipation channel from air inlet, be bonded in the upper sealing film on air inlet
Can remove from the upper surface of reinforcement steel disc, before carrying out flexible PCB and reinforcement steel disc bonded, can will be upper
Sealer removes from reinforcement steel disc, facilitates heat to be entered into heat dissipation channel from air inlet.
In sum, the utility model has the advantages that：
1st, in the utility model, heat dissipation channel plays a part of radiating to the back side of flexible PCB, so as to reduce soft
Property circuit board surface temperature, ensure flexible PCB can normally use in high temperature environments, with preferable service life；
2nd, when conducting resinl is coated, conducting resinl can be filled into concave point, by the setting of concave point, increase the consumption of conducting resinl
And the contact area of conducting resinl and reinforcement steel disc, so that the bonding effect that conducting resinl is played is more preferably；
3rd, the upper and lower surface in reinforcement steel disc bonds upper sealing film and lower sealing film, by upper lower sealing film by entering on reinforcement steel disc
Gas port and diffusing opening sealing are protected, and when not in use, reduce dust or foreign matter is entered into heat dissipation channel, ensure that radiating is logical
Road can keep preferable radiating effect.
Brief description of the drawings
Fig. 1 is the generalized section of embodiment 1；
Fig. 2 is the generalized section of embodiment 2.
Reference：1st, reinforcement steel disc；2nd, upper sealing film；3rd, concave point；4th, salient point；5th, heat dissipation channel；6th, air inlet；7th, outlet
Mouthful；8th, diffusing opening；9th, lower sealing film；10th, copper metal thickening layer.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected by Patent Law in right of the present utility model.
Embodiment 1：A kind of flexible PCB steel disc reinforcing chip, as shown in figure 1, including for being attached to flexible circuit backboard
The reinforcement steel disc 1 in face, reinforcement steel disc 1 is shaped as cuboid, is offered on reinforcement steel disc 1 and runs through from the upper surface of reinforcement steel disc 1
To the heat dissipation channel 5 of the bottom surface of reinforcement steel disc 1, heat dissipation channel 5 is through to reinforcement steel disc straight down from the upper surface of reinforcement steel disc 1
1 lower surface, in the present embodiment, the vertical sectional shape of heat dissipation channel 5 is isosceles trapezoid, and internal diameter gradually expands from the top down
Greatly, the upper surface of reinforcement steel disc 1 is provided with the salient point 4 of semi-spherical shape, and salient point 4 is shaped in the upper surface of reinforcement steel disc 1, dissipates
The passage of heat 5 includes the air inlet 6 for being arranged on the top of salient point 4 and the gas outlet 7 for being arranged on the lower surface of reinforcement steel disc 1, air inlet 6
Run through straight down, flexible PCB produces substantial amounts of heat, the heat at its back side to enter into radiating from air inlet 6 and lead to when working
In road 5, and lower surface by reinforcement steel disc 1 is distributed, and is timely dissipated with the heat for ensureing flexible circuit back
Send out, it is to avoid the temperature of flexible PCB is too high.
As shown in figure 1, the upper surface arranged distribution of reinforcement steel disc 1 has several concave points 3 that depression is formed downwards, due to soft
, it is necessary to be coated with conducting resinl between flexible PCB and reinforcement steel disc 1 when property circuit board is fitted with reinforcement steel disc 1, make flexibility
Circuit board is bonded together with reinforcement steel disc 1, and when conducting resinl is coated, conducting resinl can be filled into concave point 3, by concave point 3
Set, increase the consumption and conducting resinl of conducting resinl and the contact area of reinforcement steel disc 1, so that the bonding effect that conducting resinl is played
Fruit is more preferably；
Before reinforcement steel disc 1 is unbonded on flexible PCB, can be bonded with the upper surface of reinforcement steel disc 1 and be covered in
Upper sealing film 2 on air inlet 6, upper sealing film 2 is the film being made up of polythene material, and the upper sealing film 2 bonding is sealed into air inlet
6, the air inlet 6 to the upper surface of reinforcement steel disc 1 plays a part of sealing, it is to avoid dust or foreign matter enter into scattered from air inlet 6
In the passage of heat 5, the upper sealing film 2 being bonded on air inlet 6 can remove from the upper surface of reinforcement steel disc 1, carry out flexibility
Before circuit board and reinforcement steel disc 1 are bonded, upper sealing film 2 can be removed from reinforcement steel disc 1, facilitate heat from air inlet
Mouth 6 is entered into heat dissipation channel 5.
As shown in figure 1, the lower surface of reinforcement steel disc 1 is provided with copper metal thickening layer 10, copper metal thickening layer 10 is by sheet
Copper metal piece by the gluing lower surface for being fixed on reinforcement steel disc 1, the thickness of reinforcement steel disc 1 is strengthened by copper metal piece, from
And reinforcement steel disc 1 is unlikely to deform, structural strength becomes strong, meanwhile, copper metal piece has preferable heat conductivility, in copper metal piece
On be provided with diffusing opening 8 vertical through copper metal piece upper and lower surface, the internal diameter of diffusing opening 8 gradually increases from the top down, and
The upper end of diffusing opening 8 is corresponding with gas outlet 7, and the heat in heat dissipation channel 5 is discharged from gas outlet 7, and disperses in diffusing opening 8
Open, heat is delivered on copper metal piece by the inwall of diffusing opening 8, transferred heat away from by the heat conductivility of copper metal piece
Go, further optimize heat dispersion of the present utility model；It is coated with the diffusing opening 8 of copper metal thickening layer 10 tearable removing
Lower sealing film 9, lower sealing film 9 is the film being made up of polythene material, and lower sealing film 9 can be removed, and the bonding of lower sealing film 9 is sealed into copper
The lower surface diffusing opening 8 of metal thickening layer 10, before reinforcement steel disc 1 is not bonded on flexible PCB, can be by lower sealing film 9
The lower surface of copper metal thickening layer 10 is bonded in, diffusing opening 8 is sealed by lower sealing film 9, it is to avoid dust or foreign matter are by diffusion
Mouth 8 enters into the blocking that heat dissipation channel 5 is caused in heat dissipation channel 5, before reinforcement steel disc 1 is bonded in into flexible PCB, will
Lower sealing film 9 is removed from copper metal thickening layer 10, and reinforcement steel disc 1 then is bonded in into flexible PCB by conducting resinl again
On, lower sealing film 9 realizes the sealing protection to diffusing opening 8.
Embodiment 2：A kind of flexible PCB steel disc reinforcing chip, as shown in Fig. 2 be with the difference of embodiment 1,
Heat dissipation channel 5 from the upper surface of reinforcement steel disc 1 downward through and bend and extend to the side of reinforcement steel disc 1, in the present embodiment,
Heat dissipation channel 5 is shaped as L-type, and heat dissipation channel 5 includes positioned at the air inlet 6 of the upper surface of reinforcement steel disc 1 and positioned at reinforcement steel
The gas outlet 7 of the lower surface of piece 1, the heat on flexible PCB is entered into heat dissipation channel 5 by air inlet 6, then passes through
Gas port 7 disperses away, and the heat dissipation channel 5 of the L-type allows that the heat on flexible PCB disperses from the surrounding of reinforcement steel disc 1
Go out, the radiating effect for reaching is preferable.
Claims (8)
1. a kind of flexible PCB steel disc reinforcing chip, including for being attached to the reinforcement steel disc (1) of flexible circuit back, it is special
Levy and be：Offered on the reinforcement steel disc (1) from reinforcement steel disc (1) upper surface be through to reinforcement steel disc (1) side or
The heat dissipation channel (5) of bottom surface.
2. flexible PCB according to claim 1 steel disc reinforcing chip, it is characterised in that：On the reinforcement steel disc (1)
Surface is provided with the salient point (4) of semi-spherical shape, and the heat dissipation channel (5) includes the air inlet (6) that is arranged at the top of salient point (4).
3. flexible PCB according to claim 1 steel disc reinforcing chip, it is characterised in that：The heat dissipation channel (5) from
The upper surface of reinforcement steel disc (1) is through to the lower surface of reinforcement steel disc (1) straight down, the internal diameter of the heat dissipation channel (5) from
It is upper gradually to expand downwards.
4. flexible PCB according to claim 3 steel disc reinforcing chip, it is characterised in that：The reinforcement steel disc (1)
Upper surface arranged distribution has several concave points (3) that depression is formed downwards.
5. flexible PCB according to claim 3 steel disc reinforcing chip, it is characterised in that：The reinforcement steel disc (1)
Lower surface is provided with copper metal thickening layer (10).
6. flexible PCB according to claim 5 steel disc reinforcing chip, it is characterised in that：Heat dissipation channel (5) bag
The gas outlet (7) for being through to reinforcement steel disc (1) lower surface is included, is provided with and gas outlet on the copper metal thickening layer (10)
(7) corresponding diffusing opening (8).
7. flexible PCB according to claim 6 steel disc reinforcing chip, it is characterised in that：The copper metal thickening layer
(10) the tearable lower sealing film (9) for removing is coated with diffusing opening (8).
8. flexible PCB according to claim 2 steel disc reinforcing chip, it is characterised in that：Air inlet (6) overlying
It is stamped the upper sealing film (2) that can be removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621219077.9U CN206272939U (en) | 2016-11-11 | 2016-11-11 | Flexible PCB steel disc reinforcing chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621219077.9U CN206272939U (en) | 2016-11-11 | 2016-11-11 | Flexible PCB steel disc reinforcing chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206272939U true CN206272939U (en) | 2017-06-20 |
Family
ID=59040076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621219077.9U Expired - Fee Related CN206272939U (en) | 2016-11-11 | 2016-11-11 | Flexible PCB steel disc reinforcing chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206272939U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107548227A (en) * | 2017-08-30 | 2018-01-05 | 景旺电子科技(龙川)有限公司 | A kind of fingerprint identification technology FPC steel disc drawing method |
| TWI681516B (en) * | 2017-09-28 | 2020-01-01 | 頎邦科技股份有限公司 | Chip package having flexible substrate |
| CN112203397A (en) * | 2020-09-24 | 2021-01-08 | 深圳市景旺电子股份有限公司 | 3D steel sheet, machining method and method for printing FPC (Flexible printed Circuit) board by applying same |
| CN113596312A (en) * | 2021-08-17 | 2021-11-02 | 江西百宏光电科技有限公司 | Camera module and shooting method thereof |
-
2016
- 2016-11-11 CN CN201621219077.9U patent/CN206272939U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107548227A (en) * | 2017-08-30 | 2018-01-05 | 景旺电子科技(龙川)有限公司 | A kind of fingerprint identification technology FPC steel disc drawing method |
| TWI681516B (en) * | 2017-09-28 | 2020-01-01 | 頎邦科技股份有限公司 | Chip package having flexible substrate |
| CN112203397A (en) * | 2020-09-24 | 2021-01-08 | 深圳市景旺电子股份有限公司 | 3D steel sheet, machining method and method for printing FPC (Flexible printed Circuit) board by applying same |
| CN112203397B (en) * | 2020-09-24 | 2021-11-19 | 深圳市景旺电子股份有限公司 | 3D steel sheet, machining method and method for printing FPC (Flexible printed Circuit) board by applying same |
| CN113596312A (en) * | 2021-08-17 | 2021-11-02 | 江西百宏光电科技有限公司 | Camera module and shooting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20201111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |