CN105611726B - Rigid Flex and mobile terminal - Google Patents
Rigid Flex and mobile terminal Download PDFInfo
- Publication number
- CN105611726B CN105611726B CN201610105639.5A CN201610105639A CN105611726B CN 105611726 B CN105611726 B CN 105611726B CN 201610105639 A CN201610105639 A CN 201610105639A CN 105611726 B CN105611726 B CN 105611726B
- Authority
- CN
- China
- Prior art keywords
- circuit board
- ground line
- several
- printed circuit
- signal
- 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
Links
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 238000000608 laser ablation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
-
- 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
- H05K1/115—Via connections; Lands around holes or via connections
-
- 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
- H05K2201/095—Conductive through-holes or vias
Abstract
A kind of Rigid Flex and mobile terminal, including printed circuit board and the flexible circuit board for being connected to printed circuit board one end, printed circuit board sets the first ground line and several first signal leads, first ground line is set to printed circuit board adjacent to the side of flexible circuit board, several via holes are set on first ground line, several via holes run through printed circuit board, and several first signal leads are set to the side of the first ground line, and several first signal leads are arranged far from flexible circuit board.Rigid Flex and mobile terminal provided by the invention set several via holes by setting the first ground line on a printed circuit, and on the first ground line.When carrying out laser ablation material, if laser damages first ground line, the grounding function of printed circuit board is still able to achieve using several via holes, cause signal lead can not connection signal to prevent its earthing failure, the realization for ensuring functional circuit on printed circuit board improves the use reliability of Rigid Flex.
Description
Technical field
The present invention relates to circuit board technology field more particularly to a kind of Rigid Flexs and mobile terminal.
Background technique
Rigid Flex is exactly flexible circuit board and rigid wiring board, by processes such as pressings, by related process requirement group
It is combined, the wiring board with flexible circuit board characteristic and rigid wiring board characteristic of formation.
Currently, carrying out laser cutting removal material constantly, since laser itself has certain width, when being set on hardboard
When setting ground path and signal line, it is possible that the either ground path route of the signal line on hardboard is caused to burn out or
Person's damage can pull apart the cabling on the soft board being connected with hardboard to influence the performance of circuit when serious, so as to cause
Functional circuit failure on soft board, not can guarantee the use reliability of Rigid Flex.
Summary of the invention
In view of the above-mentioned problems in the prior art, technical problem to be solved by the present invention lies in provided a kind of anti-
It only carries out damaging hardboard route when laser ablation material, it is ensured that the Rigid Flex and mobile terminal of use reliability.
To achieve the goals above, embodiment of the present invention provides the following technical solutions:
In a first aspect, the present invention provides a kind of Rigid Flex comprising printed circuit board and be connected to printed circuit board
The flexible circuit board of one end is provided with the first ground line and several first signal leads on the printed circuit board, described
First ground line is set to the printed circuit board adjacent to the side of the flexible circuit board, if offering on first ground line
Dry via hole, several described via holes are arranged along the direction of routing of first ground line, and several described via holes
Run through the printed circuit board, several first signal leads are set to the side of first ground line, and institute
Several first signal leads are stated to be arranged far from the flexible circuit board.
Wherein, the line footpath of first ground line is greater than the line footpath of first signal lead.
Wherein, the line footpath of first ground line is greater than or equal to 1mm.
Wherein, the printed circuit board includes the first face and the second face being oppositely arranged, and is arranged on first face
The first ground line is stated, several described via holes are penetrated through to second face.
Wherein, corresponding first ground line is provided with the second ground line on second face, and described second connects
The line footpath of ground wire is identical as first ground line.
Wherein, signal via is offered in several first signal leads, and the signal via is through to
On second face.
Wherein, the hole wall of the signal via be coated with metal coating, and the metal coating be metal copper coating or
Person's metal tin coating.
Wherein, corresponding several first signal leads are provided with several second signals and walk on second face
Line, the signal via is interior to be equipped with the conduct piece for connecting first signal lead and second signal cabling.
Wherein, the distance between adjacent two described first signal leads are equal.
Second aspect, the present invention also provides a kind of mobile terminal, the mobile terminal includes ontology, is set to the ontology
Internal mainboard and the Rigid Flex as described in above-mentioned first aspect, the Rigid Flex are set on the mainboard, and
It is electrically connected with the mainboard.
Rigid Flex and mobile terminal provided by the invention, by printed circuit board adjacent to flexible circuit board one
The first ground line of setting on side, and several via holes are set on the first ground line.When carrying out laser ablation material, if laser
When damaging to first ground line, the grounding function of printed circuit board still can be realized using several via holes, from
And prevent its earthing failure and cause signal lead can not connection signal, it is ensured that the reality of the functional circuit on printed circuit board
It is existing, and then improve the use reliability of Rigid Flex.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of Rigid Flex provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the other one side of Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
For ease of description, may be used herein such as " ... under ", " ... below ", "lower", " ... on ",
The spaces relative terms such as "upper" describe elements or features as illustrated in the drawing and another (a little) elements or features
Relationship.It is appreciated that when an element or layer are referred to as in another element or layer "upper", " being connected to " or " being couple to " another member
When part or layer, it can directly on another element or layer, be directly connected to or be couple to another element or layer, or can deposit
In intervening elements or layer.
It is appreciated that terminology used here is merely to description specific embodiment, is not intended to limit the present invention.Herein
In use, clearly stating unless the context otherwise, otherwise singular " one " and "the" are also intended to including plural form.Further
Ground, when used in this manual, term " includes " and/or "comprising" show the feature, entirety, step, element and/or
The presence of component, but the presence that is not excluded for other one or more features, entirety, step, element, component and/or combination thereof or
Increase.Specification subsequent descriptions are to implement better embodiment of the invention, and so the description is of the invention general to illustrate
For the purpose of principle, the range that is not intended to limit the invention.Protection scope of the present invention is when view appended claims institute defender
Subject to.
Also referring to Fig. 1 and Fig. 2, a kind of Rigid Flex 100 provided by the invention, the Rigid Flex 100 is wrapped
Include printed circuit board 10 and the flexible circuit board 20 for being connected to described 10 one end of printed circuit board.It is set on the printed circuit board 10
The first ground line 11 and several first signal leads 12 are equipped with, first ground line 11 is set to the printed circuit board 10
The side of the neighbouring flexible circuit board 20.Several via holes 111, several described mistakes are offered on first ground line 11
Hole 11 is arranged along the direction of routing of first ground line 11, and several described via holes 111 run through the printing
Circuit board 10.Several first signal leads 12 are set to the side of first ground line 11, and described several
First signal lead 12 is arranged far from the flexible circuit board 20.It is understood that the Rigid Flex 100 is applied to move
In dynamic terminal, which can be mobile phone, tablet computer, laptop etc., and the Rigid Flex 100 is responsible for movement
The conduction between electronic component in terminal.
Rigid Flex 100 provided in an embodiment of the present invention is run through by the way that several are arranged on first ground line 11
The via hole 111 of the printed circuit board 10.When carrying out laser ablation material, when the first ground line 11 is burnt out by laser, utilize
Several via holes 111 still can be realized its grounding function, guarantee the realization of the functional circuit on the printed circuit board 10,
Ensure the use reliability of the Rigid Flex 100.
In the present embodiment, the printed circuit board 10 is the square plate of rule.The printed circuit board 10 includes opposite sets
The first face 13 and the second face 14 set, first ground line 11 are set on first face 13.Specifically, it described first connects
The line footpath of ground wire 11 is greater than the line footpath of first signal lead 12, and preferably, and the line footpath of first ground line 11 is big
In or be equal to 1mm, thus when carrying out laser ablation material, due to described first be grounded 11 line footpath it is larger, no
Be easy by laser burn or to blow, so as to ensure the printed circuit board 10 grounding function realization.It is understood that
, in other embodiments, the line footpath of first ground line 11 can be also arranged according to practical wiring situation.
Further, first ground line 11 is set to flexible circuit described in the Edge Distance of the printed circuit board 10
The distance of plate 20 is greater than 1mm, in order to the connection of first ground line 11 and 20 upward wiring of flexible circuit board, realizes institute
While stating the grounding function on flexible circuit board 20, when can also prevent first ground line 11 from occurring blowing or burning
It is possible that the case where being damaged to the route on the flexible circuit board 20.
Several described via holes 111 are opened on first ground line 11.In the present embodiment, due to first ground connection
The line footpath of line 11 is larger, and therefore, the aperture of several via holes 111 is slightly smaller than first ground line 11, Huo Zhesuo
Stating that the apertures of several via holes 111 is equal with the line footpath of first ground line 11 can also be with.Several described via holes 111 are from institute
It states in the perforation to second face 14 of the first face 13, to further realize the grounding function of the printed circuit board 10, and then works as
When carrying out laser ablation material, if first ground line 11 is blown or damaged by laser, due to several described via holes
111 perforations are to second face 14, and therefore, the via hole 111 potentially acts as the ground hole of the printed circuit board 10, thus real
The grounding function of the existing printed circuit board 10, and then guarantee the normal fortune of the other function circuit on the printed circuit board 10
Row.Preferably, the aperture of several via holes 111 can be 0.5mm to 1.0mm.And in order to guarantee the printed circuit board
10 grounding function, the spacing between the via hole 111 of adjacent two are equal.
Further, corresponding first ground line 11 is provided with the second ground line 141 on second face 14, and
The line footpath of second ground line 141 is identical as first ground line 11.Specifically, first ground line 11 passes through described
Several via holes 111 are connected to second ground line 141, to realize the grounding function of the printed circuit board 10.Work as progress
When laser ablation material, if first ground line 11 is blown or damaged by laser, the via hole 111 can be still connected to
Second ground line 141, it is thus possible to so that the grounding function of the printed circuit board 10 is achieved.It is understood that
It is that in other embodiments, the line footpath of second ground line 141 can not also be identical as the line footpath of first ground line 11,
If the line footpath of second ground line 141 is less or greater than first ground line 11, it is arranged depending on specific installation scenarios.
Several first signal leads 12 are set to one of first ground line 11 far from the flexible circuit board 20
Side.In the present embodiment, several first signal leads 12 are to realize that the signal on the printed circuit board 10 transmits.For
Convenient for being routed and guaranteeing that the continuity of signal, the distance between described first signal lead 12 of adjacent two are equal.Institute
It states the first signal lead 12 to be set on first face 13, and offers signal via in first signal lead 12
121, the signal via 121 is through on second face 14.Specifically, the signal via 121 is opened in described first
On one end of signal lead 12, in order to the connection of first signal lead 12 and other signal leads.Preferably, in order to increase
The hole wall of the overall structural strength of the strong printed circuit board 10, the signal via 121 is coated with metal coating (not shown),
And the metal coating is metal copper coating or metal tin coating, is contained with increasing the metal on the printed circuit board 10
Amount, enhances the overall structural strength of the printed circuit board 10.
Further, conduct piece (not shown), corresponding institute on second face 14 are provided in the signal via 121
It states several first signal leads 12 and is provided with several second signal cablings 142, the conduct piece connects first signal
Cabling 12 and second signal cabling 142, to realize the connection of the signal on the printed circuit board 10 and signal transmission.
In the present embodiment, the flexible circuit board 20 can be rectangular to match with the shape of the printed circuit board 10
Plate.It is provided with ground path and signal line on the flexible circuit board 20, to realize the ground connection of the flexible circuit board 20
Function and signal transfer functions.
The present invention also provides a kind of mobile terminal (not shown), the mobile terminal includes ontology (not shown), is set to institute
The mainboard (not shown) and the Rigid Flex 100 of body interior are stated, the Rigid Flex 100 is set in the ontology
Portion, and be electrically connected with the mainboard.The mobile terminal can be mobile phone, computer, plate, handheld device or media player
Deng.
Rigid Flex and mobile terminal provided by the invention, by printed circuit board adjacent to flexible circuit board one
The first ground line of setting on side, and several via holes are set on the first ground line.When carrying out laser ablation material, if laser
When damaging to first ground line, the grounding function of printed circuit board still can be realized using several via holes, from
And prevent its earthing failure and cause signal lead can not connection signal, it is ensured that the reality of the functional circuit on printed circuit board
It is existing, and then improve the use reliability of Rigid Flex.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example ", " some examples " or similar " first embodiment " etc. mean specific features described in conjunction with this embodiment or example,
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (8)
1. a kind of Rigid Flex, which is characterized in that it includes printed circuit board and the flexibility for being connected to printed circuit board one end
Circuit board is provided with the first ground line and several first signal leads, first ground line on the printed circuit board
Several via holes are offered on the side of the flexible circuit board, first ground line set on the printed circuit board,
Several described via holes are arranged along the direction of routing of first ground line, and several described via holes run through described
Printed circuit board, several first signal leads are set to the side of first ground line, and described several the
One signal lead is arranged far from the flexible circuit board；
Wherein, the line footpath of first ground line is greater than the line footpath of first signal lead；Alternatively,
The line footpath of first ground line is greater than or equal to 1mm；Alternatively,
Wherein, the printed circuit board includes the first face and the second face being oppositely arranged, and described is provided on first face
One ground line, several described via holes are penetrated through to second face.
2. Rigid Flex as described in claim 1, which is characterized in that corresponding first ground line on second face
It is provided with the second ground line, and the line footpath of second ground line is identical as first ground line.
3. Rigid Flex as described in claim 1, which is characterized in that offered in several first signal leads
Signal via, and the signal via is through on second face.
4. Rigid Flex as claimed in claim 3, which is characterized in that the hole wall of the signal via is applied coated with metal
Layer, and the metal coating is metal copper coating or metal tin coating.
5. Rigid Flex as claimed in claim 4, which is characterized in that corresponding described several first on second face
Signal lead is provided with several second signal cablings, is equipped in the signal via and connects first signal lead and second
The conduct piece of signal lead.
6. Rigid Flex according to claim 1, which is characterized in that between first signal lead of adjacent two
Distance be equal.
7. a kind of Rigid Flex, which is characterized in that it includes printed circuit board and the flexibility for being connected to printed circuit board one end
Circuit board is provided with the first ground line and several first signal leads, first ground line on the printed circuit board
Several via holes are offered on the side of the flexible circuit board, first ground line set on the printed circuit board,
Several described via holes are arranged along the direction of routing of first ground line, and several described via holes run through described
Printed circuit board, several first signal leads are set to the side of first ground line, and described several the
One signal lead is arranged far from the flexible circuit board；
Wherein, the distance between adjacent two described first signal leads are equal.
8. a kind of mobile terminal, which is characterized in that the mobile terminal include ontology, set on the body interior mainboard and
The Rigid Flex as described in claim 1 to 7 any one, the Rigid Flex be set to the mainboard on, and with the master
Plate is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105639.5A CN105611726B (en) | 2016-02-25 | 2016-02-25 | Rigid Flex and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105639.5A CN105611726B (en) | 2016-02-25 | 2016-02-25 | Rigid Flex and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105611726A CN105611726A (en) | 2016-05-25 |
| CN105611726B true CN105611726B (en) | 2018-12-11 |
Family
ID=55991176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610105639.5A Expired - Fee Related CN105611726B (en) | 2016-02-25 | 2016-02-25 | Rigid Flex and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105611726B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102577646A (en) * | 2009-09-30 | 2012-07-11 | 株式会社村田制作所 | Circuit substrate and method of manufacture thereof |
| CN104221482A (en) * | 2012-08-09 | 2014-12-17 | 株式会社村田制作所 | High frequency signal transmission line and electronic apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150319847A1 (en) * | 2014-04-30 | 2015-11-05 | Samsung Electro-Mechanics Co., Ltd. | Wiring substrate |
-
2016
- 2016-02-25 CN CN201610105639.5A patent/CN105611726B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102577646A (en) * | 2009-09-30 | 2012-07-11 | 株式会社村田制作所 | Circuit substrate and method of manufacture thereof |
| CN104221482A (en) * | 2012-08-09 | 2014-12-17 | 株式会社村田制作所 | High frequency signal transmission line and electronic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105611726A (en) | 2016-05-25 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |