CN206602707U - A kind of rigid-flexible combination PCB based on two-way bonding coat - Google Patents
A kind of rigid-flexible combination PCB based on two-way bonding coat Download PDFInfo
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- CN206602707U CN206602707U CN201720221488.XU CN201720221488U CN206602707U CN 206602707 U CN206602707 U CN 206602707U CN 201720221488 U CN201720221488 U CN 201720221488U CN 206602707 U CN206602707 U CN 206602707U
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- way bonding
- flexible combination
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Abstract
The utility model discloses a kind of rigid-flexible combination PCB based on two-way bonding coat, for solving the technical problem that existing rigid-flexible combination PCB is difficult to, easily damaged.The technical scheme that the utility model embodiment is used such as：A kind of rigid-flexible combination PCB based on two-way bonding coat, including：Positioned at middle soft board layer, it is arranged on the two-way bonding coat of the soft board layer surface, and be arranged on the hardboard layer of the two-way bonding layer surface, hardboard layer and offer window, described the window's position is provided with the metal material being fitted on the two-way bonding coat.
Description
Technical field
The utility model is related to PCB technical fields, and in particular to a kind of rigid-flexible combination PCB based on two-way bonding coat.
Background technology
As shown in figure 1, being a kind of rigid-flexible combination PCB（Printed Circuit Board, printed circuit board）Structure show
It is intended to, two rigid structures 12 connected by flexible structure 11 and by flexible structure collectively form rigid-flexible combination PCB.
Fig. 2 is refer to, traditional rigid-flexible combination PCB processing method is usually：The laminating hardboard layer 22 on soft board layer 21,
Complete after circuit processing, using controlled depth milling technique, carry out cover plate control in the window area for needing to form flexible structure and uncap deeply behaviour
Make, be that cover plate 23 is removed by a range of hardboard layer, form flexible structure.Wherein, operation of uncapping is to surround cover plate use
Controlled depth milling technique is slotted, and cover plate 23 is split from hardboard layer 22, then takes cover plate 23 off by hand or using other manner.
Practice finds that above-mentioned rigid-flexible combination PCB construction and its processing method have following defect：
Require that operation easily damage soft board layer of uncapping causes plate report 1. the machining accuracy of controlled depth milling technique is difficult to meet
It is useless, it is easier to cause damage to be scrapped when especially cover plate is relatively thin；
2. the rigid-flexible combination PCB product of wicket structure, due to residual cover plate small volume, and is difficult to remove.
Utility model content
The utility model embodiment provides a kind of rigid-flexible combination PCB based on two-way bonding coat, existing firm for solving
Scratch the technical problem for being difficult to, easily damaging with reference to PCB.
In order to solve the above technical problems, the technical scheme that the utility model embodiment is used is as follows：
A kind of rigid-flexible combination PCB based on two-way bonding coat, including：Positioned at middle soft board layer, the soft board is arranged on
The two-way bonding coat of layer surface, and be arranged on the hardboard layer of the two-way bonding layer surface, hardboard layer and open up fenestrate
Mouthful, described the window's position is provided with the metal material being fitted on the two-way bonding coat.
A kind of rigid-flexible combination PCB based on two-way bonding coat, it is characterised in that including：Flexible structure and by described
Two rigid structures of flexible structure connection；The flexible structure includes middle soft board layer and is arranged on the double of soft board layer surface
To bonding coat；The rigid structure includes middle soft board layer and the two-way bonding coat for being arranged on soft board layer surface, and sets
In the hardboard layer of two-way bonding layer surface.
As can be seen from the above technical solutions, the utility model embodiment has advantages below：
Traditional cover plate is replaced with metal material in the window's position, subsequently, metal material can be removed using engraving method,
So, just eliminate the flow of the deep cover plate of control, it is not necessary to which operation of uncapping is carried out using controlled depth milling technique, soft board layer will not be damaged,
Cover plate is removed also without using the method such as manual, the problem of small cover plate is difficult to removal is solved；It is thus possible to greatly carry
Product quality is risen, processing efficiency is improved, Product processing process cost is reduced, is ultra-thin or wicket rigid-flexible combination PCB product
There is provided processing solution.
Brief description of the drawings
, below will be to embodiment and description of the prior art in order to illustrate more clearly of the utility model embodiment technical scheme
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is rigid-flexible combination PCB structural representation；
Fig. 2 is traditional rigid-flexible combination PCB with cover plate structural representation；
Fig. 3 is the structural representation for the rigid-flexible combination PCB based on two-way bonding coat that the utility model embodiment is provided；
Fig. 4 is the structural representation of the rigid-flexible combination PCB after metal material is removed.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all should
When the scope for belonging to the utility model protection.
Term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing, " second ", " the 3rd "
Etc. being for distinguishing different objects, rather than for describing particular order.In addition, term " comprising " and " having " and they
Any deformation, it is intended that covering is non-exclusive to be included.For example contain the process of series of steps or unit, method, system,
The step of product or equipment are not limited to list or unit, but alternatively also include the step of do not list or unit,
Or alternatively also include for the intrinsic other steps of these processes, method, product or equipment or unit.
Below by specific embodiment, it is described in detail respectively.
3 are refer to, the utility model embodiment provides a kind of rigid-flexible combination PCB30 based on two-way bonding coat.
The rigid-flexible combination PCB30 may include：
Positioned at middle soft board layer 301, the two-way bonding coat 302 on 301 surface of soft board layer is arranged on, and is arranged on
Window 304 is offered on the hardboard layer 303 of the two-way bonding layer surface, the hardboard layer 303, the position of window 304 is set
It is equipped with the metal material 305 being fitted on the two-way bonding coat 302.
Wherein, two-way bonding coat 302 described in two layers is separately positioned on the both side surface of the soft board layer 301, described in two layers
Hardboard layer 303 is separately positioned on the outer surface of described two layers two-way bonding coat 302.
Wherein, the material of the two-way bonding coat 302 can be TPI（thermoplastic
Polyimide, TPI）.From traditional rigid-flexible with reference to the cover layer used in PCB unlike only one side has stickiness, PPI
It is two-sided that all there is stickiness, therefore, when serving as the inter-level dielectric of soft board layer and hardboard layer and metal material, layer can be directly realized by
Between bonding, without again use prepreg（PP）.
Wherein, the metal material 305 can be the copper foil being fitted on the two-way bonding coat 302.Optionally, also may be used
To use other types of metal material.
It can be seen that the rigid-flexible combination PCB30 is divided into three parts by the window, positioned at the window two
The part at end respectively constitutes two rigid structures 31, and the window portion constitutes flexibility after the metal material 305 is removed
Structure 32, described two rigid structures 31 are connected by the flexible structure 32.
As shown in figure 4, being the structural representation of the rigid-flexible combination PCB30 after the metal material 305 is removed.
The work flow for the rigid-flexible combination PCB that the utility model embodiment is provided may include：
In advance window is opened up on hardboard layer；
Soft board layer, two-way bonding coat, hardboard layer are stacked gradually, and metal material is placed in the window's position；
Then pressed, obtain structure as shown in Figure 3；
Carry out normal line pattern processing；
The metal material such as copper foil of the window's position is finally removed using etch process.
As described above, the utility model embodiment discloses a kind of structure of the rigid-flexible combination PCB based on two-way bonding coat
And its work flow, the said goods structure and work flow have the following advantages that：
1. copper foil is pressed in above two-way bonding coat, work flow is simple, efficiency high.
2. in liquid medicine work flow, without Tibetan medicine water risk, quality risk is low.
3. the cover plate for not needing machining to remove, Product processing efficiency is improved.
4. the copper foil on two-way bonding coat, rear technique is simple, etching is removed, and cost is low.
Fig. 3 and Fig. 4 are refer to, the utility model embodiment also provides a kind of rigid-flexible combination based on two-way bonding coat
PCB30, including：
Flexible structure 32 and two rigid structures 31 connected by the flexible structure 32；
The flexible structure 32 includes middle soft board layer 301 and the two-way bonding coat for being arranged on 301 surface of soft board layer
302；
The rigid structure 31 includes middle soft board layer 301 and the two-way bonding coat for being arranged on 301 surface of soft board layer
302, and it is arranged on the hardboard layer 303 on the two-way surface of bonding coat 302.
Wherein, the material of the two-way bonding coat 302 can be TPI（TPI）.
Optional, the rigid-flexible combination PCB30 can also include：The surface of flexible structure 31 is arranged in process
Metal material 305.
The metal material 305 can be the copper foil being fitted on the two-way bonding coat 302.
Optionally, two-way bonding coat 302 described in two layers is separately positioned on the both side surface of the soft board layer 301, two layers of institute
State the outer surface that hardboard layer 303 is separately positioned on described two layers two-way bonding coat 302.
As described above, the utility model embodiment discloses two kinds of rigid-flexible combination PCB based on two-way bonding coat, obtains
Following technique effect：
Traditional cover plate is replaced with metal material in the window's position, subsequently, metal material can be removed using engraving method,
So, just eliminate the flow of the deep cover plate of control, it is not necessary to which operation of uncapping is carried out using controlled depth milling technique, soft board layer will not be damaged,
Cover plate is removed also without using the method such as manual, the problem of small cover plate is difficult to removal is solved；It is thus possible to greatly carry
Product quality is risen, processing efficiency is improved, Product processing process cost is reduced, is ultra-thin or wicket rigid-flexible combination PCB product
There is provided processing solution.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and is not described in some embodiment
Part, may refer to the associated description of other embodiments.
Above-described embodiment is only to illustrate the technical solution of the utility model, rather than its limitations；The common skill of this area
Art personnel should be understood：It can still modify to the technical scheme described in the various embodiments described above, or to its middle part
Technical characteristic is divided to carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality
The spirit and scope of new each embodiment technical scheme.
Claims (10)
1. a kind of rigid-flexible combination PCB based on two-way bonding coat, it is characterised in that including：
Positioned at middle soft board layer, the two-way bonding coat of the soft board layer surface is arranged on, and be arranged on the two-way bonding
Window is offered on the hardboard layer of layer surface, the hardboard layer, described the window's position, which is provided with, is fitted in the two-way bonding coat
On metal material.
2. rigid-flexible combination PCB according to claim 1, it is characterised in that
The metal material is the copper foil being fitted on the two-way bonding coat.
3. rigid-flexible combination PCB according to claim 1, it is characterised in that
The material of the two-way bonding coat is TPI (TPI).
4. rigid-flexible combination PCB according to claim 1, it is characterised in that
The rigid-flexible combination PCB is divided into three parts by the window, and the part positioned at the window two ends respectively constitutes two
Rigid structure, the window portion constitutes flexible structure after the metal material is removed, and described two rigid structures pass through
The flexible structure connection.
5. rigid-flexible combination PCB according to claim 1, it is characterised in that
Two-way bonding coat described in two layers is separately positioned on the both side surface of the soft board layer, and hardboard layer is separately positioned on described in two layers
The outer surface of two layers of two-way bonding coat.
6. a kind of rigid-flexible combination PCB based on two-way bonding coat, it is characterised in that including：
Flexible structure and two rigid structures connected by the flexible structure；
The flexible structure includes middle soft board layer and the two-way bonding coat for being arranged on soft board layer surface；
The rigid structure includes middle soft board layer and is arranged on the two-way bonding coat of soft board layer surface, and is arranged on two-way
Bind the hardboard layer of layer surface.
7. rigid-flexible combination PCB according to claim 6, it is characterised in that including：
The material of the two-way bonding coat is TPI (TPI).
8. rigid-flexible combination PCB according to claim 6, it is characterised in that also include：
The metal material on the flexible structure surface is arranged in process.
9. rigid-flexible combination PCB according to claim 8, it is characterised in that including：
The metal material is the copper foil being fitted on the two-way bonding coat.
10. rigid-flexible combination PCB according to claim 6, it is characterised in that including：
Two-way bonding coat described in two layers is separately positioned on the both side surface of the soft board layer, and hardboard layer is separately positioned on described in two layers
The outer surface of two layers of two-way bonding coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720221488.XU CN206602707U (en) | 2017-03-07 | 2017-03-07 | A kind of rigid-flexible combination PCB based on two-way bonding coat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720221488.XU CN206602707U (en) | 2017-03-07 | 2017-03-07 | A kind of rigid-flexible combination PCB based on two-way bonding coat |
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| Publication Number | Publication Date |
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| CN206602707U true CN206602707U (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720221488.XU Active CN206602707U (en) | 2017-03-07 | 2017-03-07 | A kind of rigid-flexible combination PCB based on two-way bonding coat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023170649A1 (en) * | 2022-03-11 | 2023-09-14 | Jabil Circuit (Singapore) Pte. Ltd. | 3d laminated flexible film as strain relief |
-
2017
- 2017-03-07 CN CN201720221488.XU patent/CN206602707U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023170649A1 (en) * | 2022-03-11 | 2023-09-14 | Jabil Circuit (Singapore) Pte. Ltd. | 3d laminated flexible film as strain relief |
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