CN106061101B - Signal wire guard method, device, printed circuit board and terminal device - Google Patents
Signal wire guard method, device, printed circuit board and terminal device Download PDFInfo
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- CN106061101B CN106061101B CN201610508424.8A CN201610508424A CN106061101B CN 106061101 B CN106061101 B CN 106061101B CN 201610508424 A CN201610508424 A CN 201610508424A CN 106061101 B CN106061101 B CN 106061101B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims description 27
- 238000013507 mapping Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 26
- 238000010586 diagram Methods 0.000 description 14
- 230000005236 sound signal Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007639 printing 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
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
-
- 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
- H05K2201/07—Electric details
- H05K2201/0707—Shielding
- H05K2201/0723—Shielding provided by an inner layer of PCB
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
A kind of signal wire guard method of the application offer, device, printed circuit board and terminal device, wherein signal wire guard method, including：The attribute information of signal wire is obtained, the attribute information includes the length of signal wire and affiliated circuit network type；Via information corresponding with the circuit network type belonging to the signal wire is obtained, the via information includes the second distance between the first distance, via and the signal wire between the diameter of via, via, the PCB routing layer that via passes through；According to the attribute information of the signal wire and via information, via is set gradually in the both sides of the signal wire.Hereby it is achieved that according to the attribute of signal wire, in signal wire both sides, setting via, to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency to be shielded and be isolated to signal wire automatically.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of signal wire guard method, device, printed circuit board and end
End equipment.
Background technology
Audio signal wire refers to the signal wire of that input and output balanced signal with shielding.In general, in terminal device class
The printed circuit board of product (all includes audio signal wire in Printed Circuit Board, abbreviation PCB.
Currently, shielding in the pcb, protecting the generic way of audio signal wire is configured in the both sides of audio signal wire
The via on big stratum in line, or setting to PCB, to be shielded and be isolated to audio signal wire.
But the mode of this protection audio signal wire, it needs to add multiple vias manually in the both sides of audio signal wire,
It could realize and audio signal wire is preferably isolated, this mode needs complicated for operation, and efficiency is low.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose a kind of signal wire guard method, realizes the attribute according to signal wire, set automatically in signal wire both sides
Via is set, to be shielded and be isolated to signal wire, to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency.
Second object of the present invention is to propose a kind of signal wire protective device.
Third object of the present invention is to propose a kind of printed circuit board.
Fourth object of the present invention is to propose a kind of terminal device.
The 5th purpose of the present invention is to propose a kind of terminal device.
In order to achieve the above objectives, a kind of signal wire guard method that the embodiment of the present invention proposes, including：Obtain signal wire
Attribute information, the attribute information include the length of signal wire and affiliated circuit network type；Belonging to acquisition and the signal wire
The corresponding via information of circuit network type, the via information include between the diameter of via, via first distance, via
The PCB routing layer passed through with the second distance between the signal wire, via；According to the attribute information of the signal wire
And via information, set gradually via in the both sides of the signal wire.
Signal wire guard method provided by the embodiments of the present application obtains the attribute information of signal wire, then obtains again first
Via information corresponding with the circuit network type belonging to signal wire, the attribute information further according to signal wire and via information,
Signal wire sets gradually via twice.Hereby it is achieved that according to the attribute of signal wire, it was arranged automatically in signal wire both sides
Hole, to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency to be shielded and be isolated to signal wire.
In order to achieve the above object, the application second aspect embodiment proposes a kind of signal wire protective device, including：
First acquisition module, the attribute information for obtaining signal wire, the attribute information include length and the institute of signal wire
The network type of category；
Second acquisition module, for obtaining via information corresponding with the circuit network type belonging to the signal wire, institute
It includes the first distance between the diameter of via, via, the second distance between via and the signal wire to state via information, and via is worn
The PCB routing layer crossed；
Processing module, for according to the attribute information and via information of the signal wire, the both sides of the signal wire according to
Secondary setting via.
Signal wire protective device provided by the embodiments of the present application obtains the attribute information of signal wire, then obtains again first
Via information corresponding with the circuit network type belonging to signal wire, the attribute information further according to signal wire and via information,
Signal wire sets gradually via twice.Hereby it is achieved that according to the attribute of signal wire, it was arranged automatically in signal wire both sides
Hole, to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency to be shielded and be isolated to signal wire.
In order to achieve the above object, the application third aspect embodiment proposes a kind of printed circuit board, including according to above-mentioned side
The via that method generates.
In order to achieve the above object, the application fourth aspect embodiment proposes a kind of terminal device, including above-mentioned signal wire
Protective device
Terminal device provided by the embodiments of the present application obtains the attribute information of signal wire, then obtains again and signal first
The corresponding via information of circuit network type belonging to line, the attribute information further according to signal wire and via information, in signal wire
Set gradually via twice.Hereby it is achieved that according to the attribute of signal wire, via is set in signal wire both sides automatically, pair
Signal wire is shielded and is isolated, and to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency.
In order to achieve the above object, the 5th aspect embodiment of the application proposes a kind of terminal device, including with next or more
A component：Printed circuit board, shell, processor, memory, power circuit, audio component, the interface of input/output (I/O),
Sensor module and communication component；Wherein, the printed circuit board is placed in the space interior that the shell surrounds, described
Processor and the memory are arranged on the printed circuit board；The power circuit, for being each of the terminal device
A circuit or device power supply；The memory is for storing executable program code；The processor is by reading the storage
The executable program code stored in device runs program corresponding with the executable program code：
The attribute information of signal wire is obtained, the attribute information includes the length of signal wire and affiliated network type；
Via information corresponding with the circuit network type belonging to the signal wire is obtained, the via information includes via
Diameter, cross pitch of holes, the spacing of via and the signal wire, the PCB routing layer that via passes through；
According to the attribute information of the signal wire and via information, via is set gradually in the both sides of the signal wire.
Terminal device provided by the embodiments of the present application obtains the attribute information of signal wire, then obtains again and signal first
The corresponding via information of circuit network type belonging to line, the attribute information further according to signal wire and via information, in signal wire
Set gradually via twice.Hereby it is achieved that according to the attribute of signal wire, via is set in signal wire both sides automatically, pair
Signal wire is shielded and is isolated, and to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency.
Description of the drawings
Fig. 1 is the signal wire guard method flow diagram of the application one embodiment；
Fig. 2 is that interface schematic diagram is arranged in a kind of via information provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of the printed circuit board of the application one embodiment；
Fig. 4 is the structural schematic diagram of the signal wire protective device of the application one embodiment；
Fig. 5 is the structural schematic diagram of the signal wire protective device of the application one embodiment；
Fig. 6 is the structural schematic diagram of the terminal device of the application one embodiment；
Fig. 7 is the structural schematic diagram of the terminal device of the application another embodiment.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The signal wire guard method proposed according to embodiments of the present invention, device, printed circuit described with reference to the accompanying drawings
Plate and terminal device.
Fig. 1 is the signal wire guard method flow diagram of the application one embodiment.
As shown in Figure 1, the signal wire guard method, including：
Step 101, the attribute information of signal wire is obtained, the attribute information includes the length of signal wire and affiliated circuit network
Network type.
Specifically, the executive agent of the signal wire guard method is signal wire protective device, which can be configured in
It is realized in printed circuit board cloth panel device.
Wherein, signal wire can refer to audio signal wire, can also refer to other and need to be isolated in both sides setting ground hole
The circuit of shielding, for example can be high-frequency driving signal line etc..
Specifically, user is when carrying out PCB fabric swatch, after the completion of completing the deployment of signal wire, you can by letter
Number line executes preset operation, to trigger the process protected to signal wire.For example the signal wire is double-clicked, or pass through right click
The modes such as the signal wire, protect signal wire to trigger, later signal wire protective device, you can according to the triggering of user,
To obtain the attribute information of corresponding signal wire.
Step 102, via information corresponding with the circuit network type belonging to the signal wire, the via information are obtained
The second distance between the first distance, via and the signal wire between diameter, via including via, the printing electricity that via passes through
Road plate wiring layer.
It is closed from the mapping of different via information specifically, different circuit network types can be arranged in signal wire protective device
System.To after the attribute for obtaining signal wire, you can by the mapping table of enquiry circuit network type and via information, really
Fixed via information corresponding with the circuit network type belonging to signal wire.
Wherein, it crosses pitch of holes and refers to the distance between via and via, which can be according to the intensity requirement and system of pcb board
Make technique determination.The PCB routing layer that via passes through refers to the wiring layer that via passes through in pcb board, for example, if
Pcb board is 6 laminates, and signal wire is in layer top layer wiring layer, and stratum is in the 4th layer of wiring layer, then the mistake corresponding with the signal wire that is arranged
The wiring layer that hole passes through is from top layer to the 4th layer.
It should be noted that the mapping relations of the network type and via information belonging to signal wire line, can be signal wires
Protective device is automatically created according to default rule；Alternatively, can also be signal wire protective device, according to the setting of user
It creates.
Corresponding this method can also include：
Receive the request of via model foundation；
Show that interface is arranged in via attribute information；
According to the via information of input, the mapping relations of via information and circuit network type are established.
Specifically, user is after the layout for completing signal wire, you can the request of pore model, signal wire protection were established in triggering
Device, after receiving the request of via model foundation, you can show as shown in Figure 2, via attribute information setting interface.
Fig. 2 is that interface schematic diagram is arranged in a kind of via information provided by the embodiments of the present application.
As shown in Fig. 2, user can be shown in Fig. 2 interface in " span " option at, select the wiring layer that passes through of via,
It is illustrated in figure 2 the 4th layer to the 7th layer, the circuit network (net name) belonging to via is selected, pitch of holes was set
(distance) and the corresponding circuit network type (padstack) of via etc..
Later, the via information that signal wire protective device can be arranged according to user at via attribute information setting interface,
Establish the mapping relations of circuit network type and via information.
Step 103, it according to the attribute information of the signal wire and via information, is set gradually in the both sides of the signal wire
Via.
Signal wire protective device, after the attribute information of the signal wire of acquisition and corresponding via information, you can in signal
Corresponding via is arranged in the both sides of line.
Specifically, above-mentioned steps 103, specifically include：
Along the length direction of the signal wire, in the both sides of the signal wire, with second distance described in the sigtnal interval
Position, successively spacing first apart from setting via.
For example, Fig. 3 is the structural schematic diagram of the printed circuit board of the application one embodiment.
If as shown in figure 3, in 2 corresponding via information of signal wire on printed circuit board 1, the first distance between via is
2 millimeters (mm), via between signal wire at a distance from be 3mm, then signal wire protective device, you can along 1 length direction of signal wire,
The both sides of signal wire 1, distance signal line 1 are the position of 3mm, via 3 are set gradually, to make via 3 by signal wire 1 " encirclement "
Isolation, carrys out signal in protection signal line 1 and is not disturbed, while not interfering other signals.
Signal wire guard method provided by the embodiments of the present application obtains the attribute information of signal wire, then obtains again first
Via information corresponding with the circuit network type belonging to signal wire, the attribute information further according to signal wire and via information,
Signal wire sets gradually via twice.Hereby it is achieved that according to the attribute of signal wire, it was arranged automatically in signal wire both sides
Hole, to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency to be shielded and be isolated to signal wire.
To realize that the above method, the application also provide a kind of signal wire protective device.
Fig. 4 is the structural schematic diagram of the signal wire protective device of the application one embodiment.
As shown in figure 4, the signal wire protective device, including：
First acquisition module 41, the attribute information for obtaining signal wire, the attribute information include signal wire length and
Affiliated network type；
Second acquisition module 42, for obtaining via information corresponding with the circuit network type belonging to the signal wire,
The via information includes the diameter of via, crosses pitch of holes, the spacing of via and the signal wire, the printed circuit that via passes through
Plate wiring layer；
Processing module 43, for the attribute information and via information according to the signal wire, in the both sides of the signal wire
Set gradually via.
Specifically, signal wire protective device provided in this embodiment, the signal wire for executing above-described embodiment offer is protected
Maintaining method.The device can be arranged in PCB cloth panel devices, for during PCB fabric swatch, use to be added automatically for signal wire
In the via of protection and isolation.
Wherein, above-mentioned processing module 43, is specifically used for：
Along the length direction of the signal wire, in the both sides of the signal wire, with second distance described in the sigtnal interval
Position, successively spacing first apart from setting via.
It should be noted that the signal wire guard method that above-described embodiment provides, the signal being also applied in the embodiment
Line protective device, details are not described herein again.
Signal wire protective device provided by the embodiments of the present application obtains the attribute information of signal wire, then obtains again first
Via information corresponding with the circuit network type belonging to signal wire, the attribute information further according to signal wire and via information,
Signal wire sets gradually via twice.Hereby it is achieved that according to the attribute of signal wire, it was arranged automatically in signal wire both sides
Hole, to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency to be shielded and be isolated to signal wire.
Fig. 5 is the structural schematic diagram of the signal wire protective device of the application another embodiment.
As shown in figure 5, based on it is above-mentioned it is shown in Fig. 4 on the basis of, which further includes：
Receiving module 51, for receiving the request of via model foundation；
Display module 52, for showing that interface is arranged in via attribute information；
Module 53 is established, for the via information according to input, via information is established and the mapping of circuit network type is closed
System.
It should be noted that the signal wire guard method that above-described embodiment provides, the signal being also applied in the embodiment
Line protective device, details are not described herein again.
Signal wire protective device provided by the embodiments of the present application obtains the attribute information of signal wire, then obtains again first
Via information corresponding with the circuit network type belonging to signal wire, the attribute information further according to signal wire and via information,
Signal wire sets gradually via twice.Hereby it is achieved that according to the attribute of signal wire, it was arranged automatically in signal wire both sides
Hole, to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency to be shielded and be isolated to signal wire.
Fig. 6 is the structural schematic diagram of the terminal device of the application one embodiment.
As shown in fig. 6, the terminal device 60 includes：Signal wire protective device 61.
Wherein, the shape that the above-mentioned Fig. 4 or shown in fig. 5 embodiments of the present invention provide may be used in signal wire protective device 61
Formula.
Wherein, the terminal device 30 includes：Computer.
Terminal device provided by the embodiments of the present application obtains the attribute information of signal wire, then obtains again and signal first
The corresponding via information of circuit network type belonging to line, the attribute information further according to signal wire and via information, in signal wire
Set gradually via twice.Hereby it is achieved that according to the attribute of signal wire, via is set in signal wire both sides automatically, pair
Signal wire is shielded and is isolated, and to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency.
Fig. 7 is the structural schematic diagram of the terminal device of the application another embodiment.For example, terminal device can be computer
Deng.
Referring to Fig. 7, terminal device may include following one or more components：Circuit board 71, shell 72, processor 73,
Memory 74, power circuit 75, audio component 76, the interface 77 of input/output (I/O), sensor module 78 and communication set
Part 79；Wherein, the circuit board 71 is placed in the space interior that the shell 72 surrounds, the processor 73 and the memory
74 are arranged on the circuit board 71；The power circuit 75, for being each circuit or the device power supply of the terminal device；
The memory 74 is for storing executable program code；The processor 73 by read stored in the memory 74 can
Program code is executed to run program corresponding with the executable program code：
The attribute information of signal wire is obtained, the attribute information includes the length of signal wire and affiliated network type；
Via information corresponding with the circuit network type belonging to the signal wire is obtained, the via information includes via
Diameter, cross pitch of holes, the spacing of via and the signal wire, the PCB routing layer that via passes through；
According to the attribute information of the signal wire and via information, via is set gradually in the both sides of the signal wire.
Terminal device provided by the embodiments of the present application obtains the attribute information of signal wire, then obtains again and signal first
The corresponding via information of circuit network type belonging to line, the attribute information further according to signal wire and via information, in signal wire
Set gradually via twice.Hereby it is achieved that according to the attribute of signal wire, via is set in signal wire both sides automatically, pair
Signal wire is shielded and is isolated, and to reduce the operation in signal wire fabric swatch, improves cloth plate efficiency.
In the description of the present invention, it is to be understood that, term " between ", the orientation or positional relationship of the instructions such as " connection "
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as
Limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, the terms such as term " setting ", " connection " should do broad sense reason
Solution, for example, it may be mechanical connection, can also be electrical connection；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained in the embodiment of the present invention or example.In the present specification, schematic expression of the above terms are necessarily directed to
Be identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can any one or it is more
It can be combined in any suitable manner in a embodiment or example.In addition, without conflicting with each other, those skilled in the art can
The feature of different embodiments or examples described in this specification and different embodiments or examples to be combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (9)
1. a kind of signal wire guard method, which is characterized in that include the following steps：
The attribute information of signal wire is obtained, the attribute information includes the length of signal wire and affiliated circuit network type；
Via information corresponding with the circuit network type belonging to the signal wire is obtained, the via information includes the straight of via
The second distance between the first distance, via and the signal wire between diameter, via, the PCB routing layer that via passes through；
According to the attribute information of the signal wire and via information, via is set gradually in the both sides of the signal wire.
2. the method as described in claim 1, which is characterized in that the acquisition is corresponding with the network type belonging to the signal wire
Via information before, further include：
Receive the request of via model foundation；
Show that interface is arranged in via attribute information；
According to the via information of input, the mapping relations of via information and circuit network type are established.
3. the method as described in claim 1, which is characterized in that described to be believed according to the attribute information and via of the signal wire
Breath, via is set gradually in the both sides of the signal wire, including：
Along the length direction of the signal wire, in the both sides of the signal wire, with second distance described in the signal wire interval
Position, spacing first is apart from setting via successively.
4. a kind of signal wire protective device, which is characterized in that including：
First acquisition module, the attribute information for obtaining signal wire, the attribute information include the length of signal wire and affiliated
Network type；
Second acquisition module, for obtaining via information corresponding with the circuit network type belonging to the signal wire, the mistake
Hole information includes the second distance between the first distance, via and the signal wire between the diameter of via, via, what via passed through
PCB routing layer；
Processing module is set for the attribute information and via information according to the signal wire in the both sides of the signal wire successively
Set via.
5. device as claimed in claim 4, which is characterized in that further include：
Receiving module, for receiving the request of via model foundation；
Display module, for showing that interface is arranged in via attribute information；
Module is established, for the via information according to input, establishes the mapping relations of via information and circuit network type.
6. device as claimed in claim 4, which is characterized in that the processing module is specifically used for：
Along the length direction of the signal wire, in the both sides of the signal wire, with second distance described in the signal wire interval
Position, spacing first is apart from setting via successively.
7. a kind of printed circuit board, which is characterized in that include the via generated according to any methods of claim 1-3.
8. a kind of terminal device, which is characterized in that include the signal wire protective device as described in claim 4-6 is any.
9. a kind of terminal device, which is characterized in that including with lower component：Printed circuit board, shell, processor, memory, power supply
Circuit, audio component, input/output (I/O) interface, sensor module and communication component；Wherein, the printed circuit
Plate is placed in the space interior that the shell surrounds, and the processor and the memory are arranged on the printed circuit board；
The power circuit, for being each circuit or the device power supply of the terminal device；The memory is executable for storing
Program code；The processor can perform to run with described by reading the executable program code stored in the memory
The corresponding program of program code：
The attribute information of signal wire is obtained, the attribute information includes the length of signal wire and affiliated network type；
Via information corresponding with the circuit network type belonging to the signal wire is obtained, the via information includes the straight of via
Diameter crosses pitch of holes, the spacing of via and the signal wire, the PCB routing layer that via passes through；
According to the attribute information of the signal wire and via information, via is set gradually in the both sides of the signal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508424.8A CN106061101B (en) | 2016-06-28 | 2016-06-28 | Signal wire guard method, device, printed circuit board and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508424.8A CN106061101B (en) | 2016-06-28 | 2016-06-28 | Signal wire guard method, device, printed circuit board and terminal device |
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| CN106061101A CN106061101A (en) | 2016-10-26 |
| CN106061101B true CN106061101B (en) | 2018-09-18 |
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| CN201610508424.8A Expired - Fee Related CN106061101B (en) | 2016-06-28 | 2016-06-28 | Signal wire guard method, device, printed circuit board and terminal device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109600163A (en) * | 2018-12-04 | 2019-04-09 | 曙光信息产业(北京)有限公司 | The test fixture of QSFP56 optical module |
| CN109858098B (en) * | 2018-12-29 | 2023-11-24 | 深圳市水世界信息有限公司 | Method and device for PCB wiring, computer equipment and storage medium |
| CN110135082B (en) * | 2019-05-20 | 2022-07-08 | 苏州浪潮智能科技有限公司 | Method for avoiding via hole by copper sheet on negative film layer in PCB design |
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| CN203015284U (en) * | 2012-12-21 | 2013-06-19 | 广州兴森快捷电路科技有限公司 | High-speed PCB differential via-hole structure |
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| CN104936373A (en) * | 2014-03-21 | 2015-09-23 | 华为技术有限公司 | Circuit board, distribution method of surface-layer difference lines and communication equipment |
| CN104202905A (en) * | 2014-09-28 | 2014-12-10 | 浪潮(北京)电子信息产业有限公司 | PCB and wiring method thereof |
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| CN106061101A (en) | 2016-10-26 |
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