CN105072803B - Flexible PCB and electronic equipment - Google Patents
Flexible PCB and electronic equipment Download PDFInfo
- Publication number
- CN105072803B CN105072803B CN201510404747.8A CN201510404747A CN105072803B CN 105072803 B CN105072803 B CN 105072803B CN 201510404747 A CN201510404747 A CN 201510404747A CN 105072803 B CN105072803 B CN 105072803B
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- CN
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- Prior art keywords
- cabling
- main
- flexible pcb
- pad
- main cabling
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0296—Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4007—Surface contacts, e.g. bumps
- H05K3/4015—Surface contacts, e.g. bumps using auxiliary conductive elements, e.g. pieces of metal foil, metallic spheres
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/05—Flexible printed circuits [FPCs]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09218—Conductive traces
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The invention discloses a kind of flexible PCB and electronic equipments, belong to display technology field, solve the technical issues of open circuit easily occurs for the circuit at pad in the prior art.Pad and the main cabling being connect with the pad are provided on the flexible PCB；Time cabling is additionally provided on the flexible PCB, one end of the secondary cabling connects the pad, and the other end of the secondary cabling connects the main cabling.The present invention can be used for the electronic equipments such as mobile phone, tablet computer, intelligent wearable device.
Description
Technical field
The present invention relates to display technology fields, specifically, are related to a kind of flexible PCB and electronic equipment.
Background technology
With the continuous development of electronic technology, the electronic equipments such as mobile phone, tablet computer, intelligent wearable device are also less and less
Ingeniously, it is frivolous, and continue to miniaturization.
Flexible PCB (Flexible Printed Circuit, abbreviation FPC) is in the miniaturized electronics such as mobile phone
Important component.Flexible PCB is that have height reliability, flexible using polyimides or polyester film to be a kind of made of base material
Property printed circuit board, has the characteristics that Distribution density is high, light-weight, thickness is thin, bending is good.Such as in mobile phone, utilization is soft
Property circuit board is light-weight, thickness is thin a little, can effectively save the volume of mobile phone, easily connect the components such as battery, microphone
It is connected into one.
Pad would generally be provided on flexible PCB, for connecting the various components being encapsulated on flexible PCB,
So as to form FPC components (FPC Assembly, abbreviation FPCA).At present, on flexible PCB, usually connected using a cabling
Pad is connect, pad is made to pass through the cabling and is connected with other circuits.In addition, in order to improve connected between pad and cabling it is reliable
Property, also it can carry out tear processing in the junction of pad and cabling.But it is less and less with the size of flexible PCB,
The space of internal cabling is also reducing, and the width of cabling is also increasingly thinner.When being bent to flexible PCB, weldering therein
The cabling of Pan Chu easily breaks, and the position of particularly tear processing is easier to break, and the circuit at pad is caused to hold
Open circuit easily occurs, reduces the yields of product.
Invention content
The purpose of the present invention is to provide a kind of flexible PCB and electronic equipment, to solve at pad in the prior art
The technical issues of open circuit, easily occurs for circuit.
The present invention provides a kind of flexible PCB, and pad is provided on the flexible PCB and is connected with the pad
The main cabling connect；
Time cabling is additionally provided on the flexible PCB, one end of the secondary cabling connects the pad, walks for described time
The other end of line connects the main cabling.
In one embodiment, the side of the main cabling is provided with the secondary cabling.
In another embodiment, it is both provided with the secondary cabling in the both sides of the main cabling.
Further, the length for being arranged on the secondary cabling of the main cabling both sides is different.
Preferably, the material of the main cabling and the secondary cabling is cathode copper, rolls copper or high ductibility cathode copper.
Preferably, the thickness of the main cabling and the secondary cabling is within 0.3oz to 1oz.
Preferably, the width of the main cabling and the secondary cabling is in more than 0.7mm.
Further, it is connected between the main cabling and the pad by tear treatment process.
The present invention also provides a kind of electronic equipment, the electronic equipment includes above-mentioned flexible PCB.
Further, it is packaged with electronic component at the pad of the flexible PCB.
Present invention offers following advantageous effects：In flexible PCB provided by the invention, except main cabling connect pad with
Outside, it is additionally provided with time cabling.One end connection pad of secondary cabling, the other end of secondary cabling connect main cabling, make time cabling and master
A part for cabling forms in parallel.When the junction between pad and main cabling is broken, pad still can be by secondary
Cabling is connected to other circuits, so as to reduce the probability that open circuit occurs for the circuit at pad, improves the yields of product.
Other features and advantages of the present invention will be illustrated in the following description, also, partial becomes from specification
It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and is obtained in claim and attached drawing.
Description of the drawings
It is required in being described below to embodiment for the clearer technical solution illustrated in the embodiment of the present invention
Attached drawing does simple introduction：
Fig. 1 is the partial schematic diagram for the flexible PCB that the embodiment of the present invention one provides；
Fig. 2 is the partial schematic diagram of flexible PCB provided by Embodiment 2 of the present invention；
Fig. 3 is the partial schematic diagram for the flexible PCB that the embodiment of the present invention three provides.
Specific embodiment
Carry out the embodiment that the present invention will be described in detail below with reference to accompanying drawings and embodiments, how the present invention is applied whereby
Technological means solves technical problem, and the realization process for reaching technique effect can fully understand and implement according to this.It needs to illustrate
As long as not forming conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other,
The technical solution formed is within protection scope of the present invention.
Embodiment one：
The embodiment of the present invention provides a kind of flexible PCB, can be applied in electronic equipment, particularly mobile phone, tablet electricity
The miniaturized electronics such as brain, intelligent wearable device.
As shown in Figure 1, being provided with the packaging area 100 of component on flexible PCB, weldering is provided in packaging area 100
Disk 101.After component package is on flexible PCB, you can pass through pad 101 and other circuit phases in flexible PCB
Even.
The main cabling 102 being connect with pad 101 and secondary cabling 103 are additionally provided on flexible PCB.Secondary cabling 103
One end connects pad 101, and the other end of secondary cabling 103 connects main cabling 102, makes a part for time cabling 103 and main cabling 102
It is formed in parallel.In the present embodiment, time cabling 103 is provided in the side of main cabling 102.
104 techniques are handled as a preferred embodiment, between main cabling 102 and pad 101 by tear to connect.Pass through tear
Drop handles 104 pairs of pads 101 and main cabling 102 and is attached excessively, is rushed when flexible PCB is bent or by external force
When hitting, the separated of main cabling 102 and pad 101 can be effectively avoided.In addition, flexible circuit can also be made by being handled by tear
Plate seems more beautiful.
In the present embodiment, the material of main cabling 102 and time cabling 103 is cathode copper, rolls copper or high ductibility cathode copper,
Polyimides (Polyimide) or polyester (Polyester) may be used in the base material and coating of flexible PCB.
Main cabling 102, secondary cabling 103 thickness can be within 0.3oz to 1oz.It is main cabling 102 in the present embodiment, secondary
The thickness of cabling 103 is 0.5oz, i.e. the evenly laid out thickness reached on 1 square inch of area of the copper of 0.5oz, be with
The weight of unit area represents the average thickness of copper foil.In addition, the width of main cabling 102 and time cabling 103 is preferably in 0.7mm
More than, make within the scope of the impedance of main cabling 102 and time cabling 103 is maintained at relatively low.
In flexible PCB provided in an embodiment of the present invention, in addition to main cabling 102 connects pad 101, it is additionally provided with secondary
Cabling 103.One end connection pad 101 of secondary cabling 103, the other end of secondary cabling 103 connect main cabling 102, make time cabling 103
It is in parallel with a part of formation of main cabling 102.Break when the tear between pad 101 and main cabling 102 handles 104 positions
When or when main cabling 102 breaks, as long as the position broken is no more than the company of main cabling 102 and time cabling 103
Place is met, pad 101 still can be connected to other circuits by secondary cabling 103, so as to reduce the circuit hair at pad 101
The probability of raw open circuit improves the yields of product.
Embodiment two：
The embodiment of the present invention provides a kind of flexible PCB, can be applied in electronic equipment, particularly mobile phone, tablet electricity
The miniaturized electronics such as brain, intelligent wearable device.
As shown in Fig. 2, being provided with the packaging area 200 of component on flexible PCB, weldering is provided in packaging area 200
Disk 201.After component package is on flexible PCB, you can pass through pad 201 and other circuit phases in flexible PCB
Even.
The main cabling 202 being connect with pad 201 and secondary cabling 203 are additionally provided on flexible PCB.Secondary cabling 203
One end connects pad 201, and the other end of secondary cabling 203 connects main cabling 202.It is equal in the both sides of main cabling 202 in the present embodiment
Time cabling 203 is provided with, makes two cablings 203 in parallel with a part of formation of main cabling 202.
As a preferred embodiment, connected between main cabling 202 and pad 201 by 204 science and engineering skills at tear.Pass through tear
Drop handles 204 pairs of pads 201 and main cabling 202 and is attached excessively, is rushed when flexible PCB is bent or by external force
When hitting, the separated of main cabling 202 and pad 201 can be effectively avoided.In addition, flexible circuit can also be made by being handled by tear
Plate seems more beautiful.
In the present embodiment, the material of main cabling 202 and time cabling 203 is cathode copper, rolls copper or high ductibility cathode copper,
Polyimides or polyester may be used in the base material and coating of flexible PCB.Main cabling 202, secondary cabling 203 thickness can be with
Within 0.3oz to 1oz, main cabling 202 in the present embodiment, secondary cabling 203 thickness be 0.5oz.In addition, main 202 He of cabling
The width of secondary cabling 203 preferably in more than 0.7mm, make the impedance of main cabling 202 and time cabling 203 be maintained at relatively low range it
It is interior.
In flexible PCB provided in an embodiment of the present invention, in addition to main cabling 202 connects pad 201, it is additionally provided with secondary
Cabling 203.One end connection pad 201 of secondary cabling 203, the other end of secondary cabling 203 connect main cabling 202, make time cabling 203
It is in parallel with a part of formation of main cabling 202.Break when the tear between pad 201 and main cabling 202 handles 204 positions
When or when main cabling 202 breaks, as long as the position broken is no more than the company of main cabling 202 and time cabling 203
Place is met, pad 201 still can be connected to other circuits by secondary cabling 203, so as to reduce the circuit hair at pad 201
The probability of raw open circuit improves the yields of product.
Further, be both provided in the both sides of main cabling time cabling in the present embodiment, so when main cabling (or tear
Processing position) and wherein one time cabling when all breaking, pad still can be connected to other by another cabling
Circuit, so as to further reduced the probability that open circuit occurs for circuit at pad, improve the yields of product.
Embodiment three：
As shown in figure 3, the embodiment of the present invention provides a kind of flexible PCB, and it is essentially identical with embodiment two, including setting
The pad 301 in packaging area 300 and the main cabling 302 being connect by 304 techniques of tear processing with pad 301 are put, and
And the both sides of main cabling 302 are both provided with time cabling 3031,3032.Difference between the present embodiment and embodiment two is,
The length that the secondary cabling 3031,3032 of main 302 both sides of cabling is arranged in the present embodiment is different.
The length increase of secondary cabling, it will be able to when main cabling breaks in a wider context, continue ensure pad with
Connection between other circuits, so the length of secondary cabling is the bigger the better.But in practical wiring, main cabling both sides
Wiring space is often different.Therefore in the present embodiment, in the side that the wiring space of main cabling 302 is more abundant, setting is longer
Secondary cabling 3031；In the smaller side of wiring space of main cabling 302, the shorter secondary cabling 3032 of setting.
When main cabling 302 and longer secondary cabling 3031 all break, pad 301 can pass through shorter secondary cabling
3032 continue to keep the connection between other circuits.When main cabling 302 and shorter secondary cabling 3032 all break, weldering
Disk 301 can continue to keep the connection between other circuits by longer secondary cabling 3031.As long as also, main cabling 302
The position broken is no more than the junction of main cabling 302 and longer secondary cabling 3031, and pad 301 can be by longer
Secondary cabling 3031 continue keep and other circuits between connection.Therefore, the present embodiment is compared to embodiment one and embodiment
Two, the probability that open circuit occurs for the circuit at pad can be further reduced, improves the yields of product.
Example IV：
The present invention also provides a kind of electronic equipment, can be that the miniature electrics such as mobile phone, tablet computer, intelligent wearable device are set
It is standby.The electronic equipment includes the flexible PCB that any of the above-described embodiment provides, and is packaged at the pad of flexible PCB
Electronic component.The electronic component is electrically connected with pad, and further by main cabling and secondary cabling and flexible PCB
Other circuits be connected.
Electronic equipment provided in an embodiment of the present invention has identical technology with the flexible PCB that above-described embodiment provides
Feature so can also solve the technical issues of identical, reaches identical technique effect.
While it is disclosed that embodiment as above, but the content only to facilitate understand the present invention and adopt
Embodiment is not limited to the present invention.Any those skilled in the art to which this invention pertains are not departing from this
Under the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But the scope of patent protection of the present invention, still should be subject to the scope of the claims as defined in the appended claims.
Claims (8)
1. a kind of flexible PCB, which is characterized in that pad is provided on the flexible PCB and is connect with the pad
Main cabling；
Time cabling is additionally provided on the flexible PCB, one end of the secondary cabling connects the pad, the secondary cabling
The other end connects the main cabling,
Wherein, be both provided with the secondary cabling in the both sides of the main cabling, be arranged on the secondary cablings of the main cabling both sides with
The position of the main cabling connection is different so that and the length for being arranged on the secondary cabling of the main cabling both sides is different, wherein, in institute
The more abundant side of wiring space for stating main cabling sets longer secondary cabling, and smaller in the wiring space of the main cabling
Side sets shorter secondary cabling.
2. flexible PCB according to claim 1, which is characterized in that the material of the main cabling and the secondary cabling is
Cathode copper or calendering copper.
3. flexible PCB according to claim 1, which is characterized in that the material of the main cabling and the secondary cabling is
High ductibility cathode copper.
4. flexible PCB according to claim 1, which is characterized in that the thickness of the main cabling and the secondary cabling exists
Within 0.3oz to 1oz.
5. flexible PCB according to claim 1, which is characterized in that the width of the main cabling and the secondary cabling exists
More than 0.7mm.
6. flexible PCB according to claim 1, which is characterized in that pass through tear between the main cabling and the pad
Drip treatment process connection.
7. a kind of electronic equipment, which is characterized in that the electronic equipment is included as claim 1 to 6 any one of them is soft
Property circuit board.
8. electronic equipment according to claim 7, which is characterized in that be packaged with electronics at the pad of the flexible PCB
Component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404747.8A CN105072803B (en) | 2015-07-10 | 2015-07-10 | Flexible PCB and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404747.8A CN105072803B (en) | 2015-07-10 | 2015-07-10 | Flexible PCB and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105072803A CN105072803A (en) | 2015-11-18 |
| CN105072803B true CN105072803B (en) | 2018-06-22 |
Family
ID=54502039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510404747.8A Active CN105072803B (en) | 2015-07-10 | 2015-07-10 | Flexible PCB and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105072803B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430895A (en) * | 2015-12-29 | 2016-03-23 | 广东欧珀移动通信有限公司 | Mobile terminal, flexible circuit board and manufacture method of flexible circuit board |
| CN106455314A (en) * | 2016-11-16 | 2017-02-22 | 苏州市华扬电子股份有限公司 | Flexible board welding plate |
| CN109307169A (en) * | 2018-10-17 | 2019-02-05 | 陈志强 | A kind of pig raising LED light special |
| CN110392483A (en) * | 2019-06-26 | 2019-10-29 | 格力电器（合肥）有限公司 | FPC flexible circuit board, the optimization method of FPC route, display module and electronic device |
| CN110536549A (en) * | 2019-09-30 | 2019-12-03 | 广西天山电子股份有限公司 | A kind of bend resistance flexible circuit board |
| CN111315123A (en) * | 2020-02-26 | 2020-06-19 | 歌尔股份有限公司 | PCB and connecting structure of PCB and connector |
| CN112702835B (en) * | 2020-12-25 | 2022-02-25 | 浙江荷清柔性电子技术有限公司 | Flexible circuit board packaging method and flexible circuit board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458612A (en) * | 2012-05-30 | 2013-12-18 | 昆山凌达光电科技有限公司 | FPC (flexible printed circuit) welding disc |
| CN203912331U (en) * | 2014-06-27 | 2014-10-29 | 广东欧珀移动通信有限公司 | Flexible printed circuit (FPC) bonding pad structure for preventing from invalidating |
| CN204188916U (en) * | 2014-10-09 | 2015-03-04 | Tcl显示科技（惠州）有限公司 | Flexible circuit board and there is the liquid crystal display module of this flexible circuit board |
| CN204350442U (en) * | 2014-12-29 | 2015-05-20 | Tcl显示科技（惠州）有限公司 | Flexible PCB and display module |
-
2015
- 2015-07-10 CN CN201510404747.8A patent/CN105072803B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458612A (en) * | 2012-05-30 | 2013-12-18 | 昆山凌达光电科技有限公司 | FPC (flexible printed circuit) welding disc |
| CN203912331U (en) * | 2014-06-27 | 2014-10-29 | 广东欧珀移动通信有限公司 | Flexible printed circuit (FPC) bonding pad structure for preventing from invalidating |
| CN204188916U (en) * | 2014-10-09 | 2015-03-04 | Tcl显示科技（惠州）有限公司 | Flexible circuit board and there is the liquid crystal display module of this flexible circuit board |
| CN204350442U (en) * | 2014-12-29 | 2015-05-20 | Tcl显示科技（惠州）有限公司 | Flexible PCB and display module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105072803A (en) | 2015-11-18 |
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