CN109948258B - Method, device and system for checking omission of back drilling - Google Patents
Method, device and system for checking omission of back drilling Download PDFInfo
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- CN109948258B CN109948258B CN201910218047.8A CN201910218047A CN109948258B CN 109948258 B CN109948258 B CN 109948258B CN 201910218047 A CN201910218047 A CN 201910218047A CN 109948258 B CN109948258 B CN 109948258B
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- 238000005553 drilling Methods 0.000 title claims abstract description 183
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000003993 interaction Effects 0.000 claims description 27
- 238000013461 design Methods 0.000 claims description 10
- 238000004590 computer program Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 9
- 238000011161 development Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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Abstract
The application discloses a method for checking whether back drilling holes are omitted, which comprises the steps of judging whether back drilling attribute information is included in via hole parameters after the via hole parameters of the corresponding back drilling holes are acquired through back drilling signal information to be detected, if so, indicating that the back drilling holes are subjected to back drilling operation, and if not, indicating that the back drilling holes are not subjected to back drilling operation, namely that the back drilling holes are omitted. Therefore, the method does not need to be checked manually, on one hand, no missing condition occurs, the subsequent normal work of the PCB is ensured, on the other hand, the automatic detection speed is high, and the checking efficiency is improved. The application also discloses a device and a system for checking whether the back drilling is omitted, and the device and the system have the same beneficial effects as the method.
Description
Technical Field
The application relates to the technical field of PCB detection, in particular to a method, a device and a system for checking whether back drilling is omitted.
Background
PCB vias are typically through-hole designs (penetrating from TOP surface layer to Bottom layer), when the PCB trace connecting the via is relatively close to TOP layer, stub (extra copper plating) branches are generated at the via of the PCB interconnect link, causing signal reflection, affecting signal quality, and the higher the speed the greater the signal impact. Therefore, it is necessary to remove the stub of the PCB via hole, and a Backdrill (Backdrill) is a technique that drills the stub by means of a Backdrill (the via hole to be backdrilled is referred to as a Backdrill in the present application).
With the increasing transmission rate of signals, for the POWER platform P9 series of servers, the transmission rate of many buses has reached 25Gbps, so that in the design of the server PCB board card of the POWER platform, the design of back drilling is increasingly applied. In order to ensure the design quality of the PCB, it is necessary to check whether the back drilling holes are all back drilled. However, the existing inspection of the back drilling holes is still in a stage of manual inspection, and the inspection is performed manually a little by little, so that omission is easy to occur, the normal operation of the subsequent PCB is influenced, and the manual inspection efficiency is low.
Disclosure of Invention
The application aims to provide a method, a device and a system for checking whether back drilling is omitted, on one hand, the omission condition is avoided, the subsequent normal work of a PCB is ensured, on the other hand, the automatic detection speed is high, and the checking efficiency is improved.
In order to solve the technical problems, the application provides a method for checking whether back drilling is omitted, which comprises the following steps:
receiving a detection starting instruction;
receiving back drilling signal information to be detected;
acquiring via hole parameters of back drilling holes corresponding to the back drilling signal information to be detected;
judging whether the via hole parameters comprise back drilling attribute information, if so, determining that the back drilling is a non-missing hole; otherwise, the back-drilled hole is determined to be a missing hole.
Preferably, after receiving the detection start instruction, before receiving the information of the back drilling signal to be detected, the method further includes:
and prompting a user to input back drilling signal information to be detected through a man-machine interaction window.
Preferably, the format of the backdrilling signal information to be detected is txt file format.
Preferably, after receiving the detection start instruction, before prompting the user to input the information of the back drilling signal to be detected through the man-machine interaction window, the method further includes:
prompting whether to execute an automatic program for checking whether back drilling is omitted or not through a man-machine interaction window;
after receiving the execution instruction, the method proceeds to the subsequent step.
Preferably, the obtaining via parameters of the back drilling corresponding to the back drilling signal information to be detected includes:
determining the network name of the back drilling hole corresponding to the back drilling signal to be detected according to the back drilling signal information to be detected;
and searching the via hole parameters of the back drilling holes through the network names of the back drilling holes.
Preferably, after determining that the back drilling hole is a missing hole, the method further includes:
the back drill is set to high light.
Preferably, after determining that the back drilling hole is a missing hole, the method further includes:
and displaying the coordinates and the network name of the back drilling hole through a man-machine interaction window.
Preferably, when the back drilling holes are plural, after determining that all back drilling holes are non-missing holes, the method further comprises:
and displaying the back drilling check OK through the man-machine interaction window.
In order to solve the technical problem, the application also provides a system for checking whether back drilling is omitted, which comprises:
the first receiving unit is used for receiving a detection starting instruction;
the second receiving unit is used for receiving back drilling signal information to be detected;
the acquisition unit is used for acquiring via hole parameters of the back drilling holes corresponding to the back drilling signal information to be detected;
the judging unit is used for judging whether the via hole parameters comprise back drilling attribute information or not, and if so, determining that the back drilling is a non-missing hole; otherwise, the back-drilled hole is determined to be a missing hole.
In order to solve the technical problem, the application also provides a device for checking whether the back drilling hole is omitted, which comprises:
a memory for storing a computer program;
a processor for implementing the steps of the method of checking whether a back drill is missing as described above when executing the computer program.
The application provides a method for checking whether back drilling holes are omitted, which comprises the steps of judging whether back drilling attribute information is included in via hole parameters after the via hole parameters of the corresponding back drilling holes are acquired through back drilling signal information to be detected, if so, indicating that the back drilling holes are subjected to back drilling operation, and if not, indicating that the back drilling holes are not subjected to back drilling operation, namely that the back drilling holes are omitted. Therefore, the method does not need to be checked manually, on one hand, no missing condition occurs, the subsequent normal work of the PCB is ensured, on the other hand, the automatic detection speed is high, and the checking efficiency is improved.
The application also provides a device and a system for checking whether the back drilling is omitted, and the device and the system have the same beneficial effects as the method.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required in the prior art and the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for checking whether a back drilling hole is omitted or not;
fig. 2 is a schematic structural diagram of a system for checking omission of back drilling according to the present application.
Detailed Description
The core of the application is to provide a method, a device and a system for checking whether the back drilling is omitted, on one hand, the omission is avoided, the subsequent normal work of the PCB is ensured, on the other hand, the automatic detection speed is high, and the checking efficiency is improved.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, fig. 1 is a flowchart of a method for checking whether a back drilling hole is omitted, which includes:
s11: receiving a detection starting instruction;
s12: receiving back drilling signal information to be detected;
s13: acquiring via hole parameters of back drilling holes corresponding to back drilling signal information to be detected;
s14: judging whether the via hole parameters comprise back drilling attribute information, if so, entering S15, otherwise, entering S16;
s15: determining the back borehole as a non-missing borehole;
s16: the back borehole is determined to be a missing hole.
In the application, the CADENCE AXLSLKILL language is used for compiling the SKILL program, the SKILL program is put into the wiring tool installation document, the dialogue box is prompted by executing the SKILL program, and the user can automatically complete detection by inputting back drilling signal information to be checked according to the dialogue box.
Specifically, the user may send a detection initiation instruction to the processor before the back borehole is to be detected. After receiving the detection start instruction, the processor starts to execute the SKILL program for checking whether the back drilling hole is missed, and then receives back drilling signal information to be detected. It should be noted that, the backdrilling signal refers to a signal that a via hole through which the backdrilling signal passes needs to be backdrilled, and there is a correspondence between the backdrilling signal and the backdrilling hole, and one backdrilling signal may correspond to a plurality of backdrilling holes. In a specific application, information of the backdrilling signal to be detected (for example, the name of the backdrilling signal to be detected) needs to be stored to a preset position, so that the information of the backdrilling signal to be detected can be acquired from the position and input to the processor.
After receiving the back drilling signal information to be detected, the via hole parameters of the back drilling holes corresponding to the back drilling signal information to be detected can be obtained through the corresponding relation between the back drilling signals and the back drilling holes. The via parameters of the back drilling hole comprise a plurality of parameter information, such as back drilling property information, the size of the back drilling hole, the name of the back drilling hole and the like. If the back drilling operation is performed, the back drilling attribute information is included in the via parameters, and if the back drilling operation is not performed, the back drilling attribute information is not included in the via parameters. Based on the method, the obtained via hole parameters are judged, if the via hole parameters comprise back drilling attribute information, the back drilling operation is carried out on the back drilling holes, and the back drilling holes are non-missing holes; otherwise, the back drilling hole is not performed, and the back drilling hole is a missing hole.
In addition, when the number of the back drilling signals to be detected is multiple, the number of the via hole parameters of the back drilling holes corresponding to the back drilling signal information to be detected is also multiple, and then the via hole parameters can be judged in sequence according to a preset sequence (for example, according to the sequence of the back drilling signal information to be detected) during judgment, so that a judgment result is obtained.
In summary, the method for checking whether the back drilling hole is omitted according to the application includes judging whether the via hole parameter includes back drilling attribute information after the via hole parameter of the corresponding back drilling hole is obtained through the back drilling signal information to be detected, if yes, indicating that the back drilling hole is subjected to back drilling operation, and if not, indicating that the back drilling hole is not subjected to back drilling operation, namely that the back drilling hole is omitted. Therefore, the method does not need to be checked manually, on one hand, no missing condition exists, the subsequent normal work of the PCB is ensured, and the design quality of the PCB is improved; on the other hand, the inspection in the mode only needs about 10 seconds, the automatic detection speed is high, the inspection efficiency is improved, and the time of manual inspection is greatly reduced.
Based on the above embodiments:
as a preferred embodiment, after receiving the detection start instruction, before receiving the back drilling signal information to be detected, the method further includes:
and prompting a user to input back drilling signal information to be detected through a man-machine interaction window.
Specifically, after the processor receives the detection starting instruction and before receiving the back drilling signal information to be detected, the method prompts the user to input the back drilling signal information to be detected through the man-machine interaction window, and the user inputs the back drilling signal information to be detected after seeing the prompt information of the man-machine interaction window. By the mode, the user can be effectively prompted when to input the information of the back drilling signal to be detected, and user experience is improved.
As a preferred embodiment, the format of the backdrilling signal information to be detected is txt file format.
Specifically, the information of the backdrilling signal to be detected may be a name of the backdrilling signal to be detected, and of course, may be other information capable of identifying the backdrilling signal to be detected. In addition, the applicant considers that in the prior art, back drilling signal information and network names and via parameters of corresponding back drilling holes are stored during PCB design, so that the back drilling signal information to be detected can be stored in a txt format file, and then the mapping relation between the back drilling signal information to be detected and the network names of the back drilling holes can be directly established, and the development difficulty and the development cost in the early stage are reduced.
In practical application, the application needs to store all the back drilling signal information to be detected (such as the back drilling signal name to be detected) into one txt format file in advance, and then when a man-machine interaction window pops up a menu, a user only needs to select the txt format file, and the processor can acquire all the back drilling signal information to be detected in the txt format file through a correlation function. Of course, the format of the back drilling signal information to be detected can be txt file format, and can be other types of file formats, so that the purpose of the application can be achieved.
As a preferred embodiment, after receiving the detection start instruction, before prompting the user to input the information of the back drilling signal to be detected through the man-machine interaction window, the method further includes:
prompting whether to execute an automatic program for checking whether back drilling is omitted or not through a man-machine interaction window;
after receiving the execution instruction, the method proceeds to the subsequent step.
Specifically, in order to minimize or even avoid the occurrence of a situation that a user mistakenly selects in practical application, after receiving a detection starting instruction, the application prompts the user to input back drilling signal information to be detected through a man-machine interaction window, and further comprises prompting whether to execute an automatic program for checking whether back drilling is omitted or not through the man-machine interaction window; only after receiving the execution instruction, the following steps are entered.
It should be noted that, the automatic program herein refers to a program that prompts a user to input information of the back drilling signal to be detected through a man-machine interaction window and corresponds to the subsequent steps, and after receiving the execution instruction, executes the step of prompting the user to input information of the back drilling signal to be detected through the man-machine interaction window.
In practical application, the man-machine interaction window can specifically display whether to execute an automatic program for checking whether the back drilling is omitted or not, and meanwhile, two options of yes and no are further arranged on the man-machine interaction window. After the user clicks "yes", the processor performs the subsequent steps.
Therefore, the occurrence of the condition of carrying out the inspection by mistake can be obviously reduced or even avoided, and the user experience of automatic detection is improved.
As a preferred embodiment, acquiring via parameters of the backdrilling corresponding to the backdrilling signal information to be detected includes:
determining the network name of the back drilling hole corresponding to the back drilling signal to be detected according to the back drilling signal information to be detected;
and searching via hole parameters of the back drilling holes through the network names of the back drilling holes.
Specifically, in the above embodiment, the applicant has mentioned that, in consideration of the prior art, the back drilling signal information and the network name and the via hole parameter of the back drilling corresponding to the back drilling signal information are stored during the design of the PCB board, so that the back drilling signal information to be detected can be stored in a preset file, and then the mapping relationship between the back drilling signal information to be detected and the network name of the back drilling can be directly established, thereby reducing the development difficulty and the development cost in the early stage.
After receiving the back drilling signal information to be detected, determining the network name of the back drilling hole corresponding to the back drilling signal to be detected according to the back drilling signal information to be detected, obtaining a new set, and searching the via hole parameters of each back drilling hole through the network name of each back drilling hole in the new set. Therefore, the existing data can be fully utilized by the method, and the development difficulty and cost in the early stage are reduced.
As a preferred embodiment, after determining that the back borehole is a missing hole, further comprising:
the back drill is set to high light.
Specifically, to facilitate a user in determining which back borehole or boreholes are missing holes, the back borehole may be set to high light on the PCB design after determining that the back borehole is a missing hole.
As a preferred embodiment, after determining that the back borehole is a missing hole, further comprising:
and displaying the coordinates and the network name of the back drilling hole through a man-machine interaction window.
In addition, in order to further facilitate the user to determine the specific information of the leakage holes, the coordinates and the network names of the leakage holes can be displayed through a man-machine interaction window, so that the user can maintain the leakage holes in a later period.
As a preferred embodiment, when the back holes are plural, after determining that all back holes are non-missing holes, further comprising:
displaying back drilling check OK through a man-machine interaction window.
After all back drilling holes are detected to be non-missing holes, back drilling hole inspection OK is displayed through a man-machine interaction window, so that a user knows that all back drilling holes detected at this time are back drilling operation.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a system for checking omission of back drilling according to the present application, the system includes:
a first receiving unit 1 for receiving a detection start instruction;
the second receiving unit 2 is used for receiving back drilling signal information to be detected;
an obtaining unit 3, configured to obtain via parameters of the back drilling hole corresponding to the back drilling signal information to be detected;
a judging unit 4, configured to judge whether the via hole parameter includes back drilling attribute information, and if so, determine that the back drilling is a non-missing hole; otherwise, the back-drilled hole is determined to be a missing hole.
For the description of the system for checking whether the back drilling hole is omitted, refer to the above method embodiment, and the description of the system is omitted here.
The application also provides a device for checking whether back drilling is omitted, which comprises:
a memory for storing a computer program;
a processor for implementing the steps of the method of checking whether a back drill is missing as described above when executing the computer program.
For the description of the device for checking whether the back drilling hole is omitted, refer to the above method embodiment, and the description of the device is omitted herein.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A method of checking for omission of a back borehole, comprising:
receiving a detection starting instruction;
prompting whether an automatic program for checking whether back drilling is omitted is executed or not through a man-machine interaction window, and prompting a user to input back drilling signal information to be detected through the man-machine interaction window if the automatic program is executed;
receiving a wiring tool installation file to obtain back drilling signal information to be detected in a PCB design file;
determining the network name of the back drilling hole corresponding to the back drilling signal to be detected according to the back drilling signal information to be detected;
searching via hole parameters of the back drilling holes through network names of the back drilling holes;
judging whether the via hole parameters comprise back drilling attribute information, if so, determining that the back drilling is a non-missing hole; otherwise, the back-drilled hole is determined to be a missing hole.
2. The method of claim 1, wherein the backdrilling signal information to be detected is in a txt file format.
3. The method for checking whether the back drilling hole is missing according to claim 1 or 2, further comprising, after determining that the back drilling hole is missing:
the back drill is set to high light.
4. The method for checking for omission of a back drilling of claim 3 further comprising, after said determining that the back drilling is a missing hole:
and displaying the coordinates and the network name of the back drilling hole through a man-machine interaction window.
5. The method of checking for omission of back drilling according to claim 4 further comprising, when said back drilling is plural, after determining that all back drilling is non-omitted:
and displaying the back drilling check OK through the man-machine interaction window.
6. A system for checking whether a back borehole is missing, comprising:
the first receiving unit is used for receiving a detection starting instruction;
the input unit is used for prompting whether an automatic program for checking whether back drilling is omitted is executed or not through the man-machine interaction window, and prompting a user to input back drilling signal information to be detected through the man-machine interaction window if the automatic program is missing;
the second receiving unit is used for receiving the wiring tool installation file to obtain back drilling signal information to be detected in the PCB design file;
the acquisition unit is used for determining the network name of the back drilling hole corresponding to the back drilling signal to be detected according to the back drilling signal information to be detected;
searching via hole parameters of the back drilling holes through network names of the back drilling holes;
the judging unit is used for judging whether the via hole parameters comprise back drilling attribute information or not, and if so, determining that the back drilling is a non-missing hole; otherwise, the back-drilled hole is determined to be a missing hole.
7. An apparatus for checking whether a back borehole is missing, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the method of checking if a back drill hole is missing as claimed in any one of claims 1 to 5 when executing said computer program.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910218047.8A CN109948258B (en) | 2019-03-21 | 2019-03-21 | Method, device and system for checking omission of back drilling |
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| CN201910218047.8A CN109948258B (en) | 2019-03-21 | 2019-03-21 | Method, device and system for checking omission of back drilling |
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| CN109948258B true CN109948258B (en) | 2023-08-18 |
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| CN110502848B (en) * | 2019-08-27 | 2023-09-01 | 京信网络***股份有限公司 | Method, device, equipment and storage medium for deleting back drilling holes in PCB design drawing |
| CN112328554B (en) * | 2020-11-23 | 2022-09-13 | 迈普通信技术股份有限公司 | Method and device for generating secondary drilling file, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666854A (en) * | 2009-09-30 | 2010-03-10 | 深南电路有限公司 | Detecting method for back drilling and missed drilling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666854A (en) * | 2009-09-30 | 2010-03-10 | 深南电路有限公司 | Detecting method for back drilling and missed drilling |
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