CN109388823A - Electronic component pattern verifies system and method - Google Patents
Electronic component pattern verifies system and method Download PDFInfo
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- CN109388823A CN109388823A CN201710672722.5A CN201710672722A CN109388823A CN 109388823 A CN109388823 A CN 109388823A CN 201710672722 A CN201710672722 A CN 201710672722A CN 109388823 A CN109388823 A CN 109388823A
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- Prior art keywords
- electronic component
- rule
- component pattern
- pattern
- module
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/398—Design verification or optimisation, e.g. using design rule check [DRC], layout versus schematics [LVS] or finite element methods [FEM]
Abstract
The invention discloses a kind of electronic component patterns to verify system and method.Aforementioned system chooses the electronic component pattern for being intended to be verified using end for external, then the proof rule list in reading external data library, and feature extraction operation is carried out to electronic component pattern, then characteristic is extracted from electronic component pattern, and characteristic is verified according to proof rule list, and show verification result above-mentioned.
Description
Technical field
The present invention relates to a kind of electronic component patterns to verify system and method, espespecially a kind of electricity that can execute verifying automatically
Sub- part pattern verifies system and method.
Background technique
In printed circuit layout (PCB layout) workflow, circuit layout engineer can draw required electronics member
The pin pattern (footprint) of part, and pattern data library is established so that circuit layout is used.
When pin pattern complete draw after, be mostly at present by manual type inspection draw archives it is whether wrong, still,
Such way has been unable to satisfy the newly-increased speed requirement of current electronic component, so that the verifying accuracy of pin pattern is to subsequent print
The design and manufacture of brush circuit produce many unpredictable risks.
In conclusion the technical issues of scheme of foregoing problems is this field urgent need to resolve can be solved by how providing one kind.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide the skills that one kind can carry out electronic component pattern verifying automatically
Art scheme.
In order to achieve the above object, the present invention proposes a kind of electronic component pattern verifying system.It includes man-machine interface, build
It sets rule module, establish application programming interface instruction module, feature extraction module, data processing module and part pattern
Authentication module.Man-machine interface chooses the electronic component pattern for being intended to be verified using end for external, wherein electronic component pattern pair
Answer the file format of a circuit layout system.Build the verifying rule that rule module connect simultaneously reading external data library with man-machine interface
Then list, using the foundation as subsequent authentication.Application programming interface instruction module is established to provide for access circuit layout
Systematic difference Program Interfaces.Feature extraction module, which is provided, carries out feature extraction operation to electronic component pattern.At data
Reason module and man-machine interface establish application programming interface instruction module and feature extraction module is connect, and operate application
Program Interfaces and feature extraction module, to extract characteristic from electronic component pattern.Part pattern authentication module with
Man-machine interface is connected and is verified according to proof rule list to characteristic, and provides a verification result to man-machine interface.
In order to achieve the above object, the present invention proposes a kind of electronic component pattern verification method.Preceding method includes following
Step: choosing the electronic component pattern for being intended to be verified, wherein the tray of the corresponding circuit layout system of electronic component pattern
Formula.Then, the proof rule list in reading external data library, using the foundation as subsequent authentication.It provides and is used for access circuit cloth
The application programming interface of office system.In addition, according to application programming interface to extract characteristic by electronic component pattern
According to.Characteristic is verified according to proof rule list again, and a verification result is provided.
In conclusion electronic component pattern verifying system and method proposed by the present invention are by analysis and compare electronics zero
The feature of part pattern, the verifying operation for the completion electronic component pattern that can be automated.
Detailed description of the invention
Fig. 1 is the system block diagrams that first embodiment of the invention electronic component pattern verifies system；
Fig. 2 is the flow chart of second embodiment of the invention electronic component pattern verification method；
Fig. 3 is the time sequences figure that electronic component pattern verifies system；
Fig. 4 is that electronic component pattern verifies system execution reading operation timing diagram；
Fig. 5 is electronic component pattern schematic diagram.
Description of symbols: FP- electronic component pattern；VF_1- foot column pitch；VF_2- entity appearance；VF_3- text is real
External type；VF_4- part rest area；The center VF_5- text；VF_6- pattern symbol；1- electronic component pattern verifies system；11-
Man-machine interface；12- builds rule module；13- establishes application programming interface instruction module；14- feature extraction module；15-
Data processing module；16- part pattern authentication module；2- uses end；3- database.
Specific embodiment
Specific embodiments will be described below to illustrate state sample implementation of the invention, but it is not intended to limiting the invention
The scope to be protected.
The system block diagrams of system 1 are verified for first embodiment of the invention electronic component pattern as shown in Figure 1.Aforementioned system
Comprising man-machine interface 11, build rule module 12, establish application programming interface instruction module 13, feature extraction module 14,
Data processing module 15 and part pattern authentication module 16.Aforementioned man-machine interface 11 is chosen using end 2 for outside and is intended to be tested
The electronic component pattern FP (Fig. 5) of card, the wherein file format of electronic component pattern FP corresponding circuits layout system.It is aforementioned to build
Rule module 12 is connect with man-machine interface 11 and the proof rule list in reading external data library 3, using as subsequent authentication according to
According to.The aforementioned application programming for establishing the offer of application programming interface instruction module 13 for access circuit layout system connects
Mouthful.Preceding feature acquisition module 14 is for carrying out feature extraction to electronic component pattern FP.Aforementioned data processing module 15 with it is man-machine
Interface 11 establishes application programming interface instruction module 13 and the connection of feature extraction module 14, and operates application program volume
Journey interface and feature extraction module 14, to extract characteristic by electronic component pattern FP.Aforementioned components pattern authentication module
16 connect with man-machine interface 11 and verify according to proof rule list to characteristic, and provide verification result to man-machine boundary
Face 11.
In another embodiment, it is regular, real that aforementioned authentication list of rules further includes foot position design rule, foot column pitch
External shape rule, text entity external form rule, area of coverage rule, test point rule, part rest area rule, center word indicating
The wherein at least one such as rule, pattern descriptive text rule.
Aforementioned system man-machine interface 11 builds rule module 12, establishes application programming interface instruction module 13, feature
The software module for being implemented in processor can be selected in acquisition module 14, data processing module 15 and part pattern authentication module 16
Or by can progressive number circuit chip realize.Circuit layout system above-mentioned refers to that Protel, OrCAD, Allegro etc. can be used for printing
The program of printed circuit board (PCB) circuit layout.In another embodiment, aforementioned electronic part pattern is printed circuit board electronics zero
Part pattern.
In another embodiment, characteristic is normalized in aforementioned data processing module 15.In another implementation
In example, characteristic is converted to JSON (JavaScript Object Notation), XML by aforementioned normalized
Formats such as (Extensible Markup Language).In another embodiment, preceding feature data further include correspondence
Foot position information, geometry information, the character description information wherein at least one of electronic component pattern.
It is illustrated in figure 2 the flow chart of second embodiment of the invention electronic component pattern verification method.Preceding method includes
The following steps:
S101: choosing the electronic component pattern for being intended to be verified, wherein the corresponding circuit layout system of electronic component pattern
File format.
S102: the proof rule list in reading external data library, using the foundation as subsequent authentication.
S103: the application programming interface for being used for access circuit layout system is provided.
S104: according to application programming interface to extract characteristic by electronic component pattern.
S105: verifying characteristic according to proof rule list, and provides a verification result.
In another embodiment, the proof rule list of preceding method further includes foot position design rule, foot column pitch
Rule, entity appearance rule, text entity external form rule, area of coverage rule, test point rule, part rest area rule, center
The wherein at least one such as word indicating rule, pattern descriptive text rule.In another embodiment, preceding method is to characteristic
It is normalized.In another embodiment, characteristic is converted to JSON by the normalized of preceding method
(JavaScript Object Notation) data format or XML (Extensible Markup Language) data format
Or other data formats equal to it.In another embodiment, the characteristic of preceding method further includes corresponding electronics
Foot position information, geometry information, the character description information wherein at least one of part pattern.
Following present invention is illustrated with the electronic component pattern verifying system 1 of first embodiment, but second embodiment
Electronic component pattern verification method also can reach the same or similar technical effect.Electronic component pattern is illustrated in figure 3 to test
The time sequences figure of card system 1, timing are described as follows:
P201: the pattern (footprint) of the selection verifying part of system 1 is verified by electronic component pattern using end 2.
P202: system 1 is verified by electronic component pattern using end 2 and inputs part drawing information.
P203: the selection of system 1 is verified by electronic component pattern using end 2 and builds rule.
P204: electronic component pattern verifies system 1 and executes verifying operation.
P205: electronic component pattern verifies system 1 to the search of database 3 and builds rule.
P206: electronic component pattern verifies system 1 and carries out feature extraction to specified electronic component pattern FP.
P207: electronic component pattern verifies the characteristic that system 1 obtains electronic component pattern FP.
P208: electronic component pattern verifies system 1 and executes verifying operation according to rule is built.
P209: electronic component pattern verify system 1 in display interface show verification result for use end 2 refering to.
In timing P201~P204, electronic component pattern to be verified can be selected by man-machine interface 11 using end 2, built
Set rule, material object parts information, parts information etc..
Then, pin (pad) parameter of electronic component is selected or input, which includes selection pin type, pin shape
Shape, pin size, pin spacing, input pin to shape spacing, selection plated or non-plated kenel, error originated from input value
And the special way of mark (such as when pin is that the 1st stabilizer blade indicates pin 1, parameter above-mentioned is only to list, type not as
Limit.Pin type above-mentioned may include surface mounted component (SMD, surface-mount devices), dual-in-line package
The types such as (DIP, dual in-line package), through-hole construction (Via).
In timing P205, it is specified to read that electronic component pattern verifying system 1 can assign SQL instruction to database 3
Proof rule list.For the archive content that can read specified circuit layout system, therefore electronic component pattern verifying system 1 is being built
Vertical application programming interface instruction module 13 provide can be read each circuit layout system application programming interface (API,
Application interface), detailed description are as follows for reading operation (Fig. 4):
P301: electronic component pattern verifying system 1 enables data processing module 15 obtain drawing feature data.
P302: data processing module 15, which enables, establishes the specified API instruction of the offer of application programming interface instruction module 13.
P303: data processing module 15 enables feature extraction module 14 obtain drawing feature data.
P304: data processing module 15 carries out Data Format Transform to drawing feature data.
P305: the drawing feature data of the passback JSON data format of data processing module 15.
JSON data format above-mentioned contains foot position information, geometry information, character description information.In foot position information
In describe foot position title, put coordinate, foot bit number attribute, each circuit level function size and shape.Geometric figure
Information describes plane data of the pin in the information of each circuit board level and corresponding circuits layout system and object category
Property (such as: line segment and the line segment of shape, origin coordinates, end coordinate etc.).Character description information describes word content, puts
Coordinate, placement angle, direction, text size, text occupied space etc..
Correct for verifying electronic component pattern, part pattern authentication module 16 can verify following items.For
Facilitate explanation, this case is explained with the electronic component pattern FP schematic diagram of Fig. 5:
LIST_1: the project of foot position verifying includes that the verifying of foot position title, the verifying of foot position level and the verifying of foot column pitch (are tested
Card number: VF_1).
LIST_2: the total length of material object parts external form verifying (Assembly, verification number: VF_2) is tested with width
Card.
LIST_3: the segment positions and line segment that text entity external form verifying (Silkscreen, verification number: VF_3) includes
The distance of foot position, it is identical as the entity position external form VF_2 in text entity external form (Silkscreen) proof rule, but with
Pin keeps safe distance.
LIST_4: the area of coverage verifies (Dfa_Bound) for description material object parts external form (Assembly) and pin (pad)
Region is verified, therefore Dfa_Bound has to comply on VF_1 and VF_2.
LIST_5: it verifies (Place_Bound, verification number: VF_4) and is similar to area of coverage verifying (Dfa_ in part rest area
Bound), Place_Bound is then greater than Dfa_Bound and in rule, therefore verifies (Dfa_ according to the amplified area of coverage of rule
It Bound) is part rest area verifying (Place_Bound), wherein part rest area verifying (Place_Bound) further comprises
The verifying of part height attribute.
LIST_6: (No_Probe) is verified such as part rest area verifying (Place_Bound), still in test point restricted area
The verifying of test point restricted area is verified without height attributes are directed to.
LIST_7: it wherein includes word content, text that center text, which verifies (Body Center, verification number: VF_5) mark,
Word figure and electronic component pattern centre coordinate.
LIST_8: drawing information verifies the correctness of (footprint Information) confirmation drawing information.
LIST_9: pattern symbol (sign, verification number: VF_6) is the functional characteristic for marking part, such as pin
(Pad) direction, board edge, component characteristics and the function of sequence, connector.
LIST_10: it verifies (Keep out) and predominantly verifies part to the description in PCB processing procedure, such as because of zero in restricted area
The construction or characteristic of part, to allow in PCB processing procedure the restrictive condition generated.
It is above-listed be described in detail be illustrating for a possible embodiments of the invention, but the embodiment not to
It limits the scope of the invention, all equivalence enforcements or change without departing from carried out by technical spirit of the present invention, is intended to be limited solely by this
In the protection scope of case.
Claims (10)
1. a kind of electronic component pattern verifying system, characterized by comprising:
Man-machine interface chooses the electronic component pattern for being intended to be verified using end for external, and wherein the electronic component pattern is corresponding
The file format of circuit layout system；
Rule module is built, is connect with the man-machine interface, this builds the proof rule list in rule module reading external data library,
Using the foundation as subsequent authentication；
Application programming interface instruction module is established, the application programming for accessing the circuit layout system is provided and is connect
Mouthful；
Feature extraction module carries out feature extraction to the electronic component pattern；
Data processing module, and the man-machine interface, this establishes application programming interface instruction module and this feature and captures mould
Block connection, which operates the application programming interface and this feature acquisition module, by the electronic component
Pattern extracts characteristic；And
Part pattern authentication module, connect with the man-machine interface, and the part pattern authentication module is according to the proof rule list pair
This feature data are verified, and provide verification result to the man-machine interface.
2. electronic component pattern as described in claim 1 verifies system, which is characterized in that the proof rule list includes part
Pattern builds rule, foot position design rule, foot column pitch rule, entity appearance rule, text entity external form rule, area of coverage rule
Then, at least one of test point rule, part rest area rule, center word indicating rule, pattern descriptive text rule.
3. electronic component pattern as described in claim 1 verifies system, which is characterized in that the data processing module is to this feature
Data are normalized.
4. electronic component pattern as claimed in claim 3 verifies system, which is characterized in that the normalized is by this feature number
According to being converted to JSON data format or XML data format.
5. electronic component pattern as described in claim 1 verifies system, which is characterized in that this feature data further include pair
It should at least one of the foot position information of electronic component pattern, geometry information, character description information.
6. a kind of electronic component pattern verification method, characterized by comprising:
The electronic component pattern for being intended to be verified is chosen, wherein the tray of the corresponding circuit layout system of the electronic component pattern
Formula；
The proof rule list in reading external data library, using the foundation as subsequent authentication；
Application programming interface for accessing the circuit layout system is provided；
According to the application programming interface to extract characteristic by the electronic component pattern；And
This feature data are verified according to the proof rule list, and a verification result is provided.
7. electronic component pattern verification method as claimed in claim 6, which is characterized in that the proof rule list is further wrapped
Pattern containing part builds rule, foot position design rule, foot column pitch rule, entity appearance rule, text entity external form rule, covers
During cover region rule, test point rule, part rest area rule, center word indicating rule, pattern descriptive text are regular at least
One.
8. electronic component pattern verification method as claimed in claim 6, which is characterized in that this feature data are normalized
Processing.
9. electronic component pattern verification method as claimed in claim 8, which is characterized in that the normalized is by this feature
Data are converted to JSON data format or XML data format.
10. electronic component pattern verification method as claimed in claim 6, which is characterized in that this feature data further include
Correspond at least one of the foot position information, geometry information, character description information of the electronic component pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710672722.5A CN109388823A (en) | 2017-08-08 | 2017-08-08 | Electronic component pattern verifies system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672722.5A CN109388823A (en) | 2017-08-08 | 2017-08-08 | Electronic component pattern verifies system and method |
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| CN109388823A true CN109388823A (en) | 2019-02-26 |
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| CN201710672722.5A Pending CN109388823A (en) | 2017-08-08 | 2017-08-08 | Electronic component pattern verifies system and method |
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| CN1987874A (en) * | 2005-12-21 | 2007-06-27 | 英业达股份有限公司 | Method for verifying part placing distance with dynamic regulation part height parameter |
| CN101211373A (en) * | 2006-12-29 | 2008-07-02 | 英业达股份有限公司 | Line diagram part graph proofreading method |
| CN101588433A (en) * | 2004-01-06 | 2009-11-25 | 汤姆逊许可证公司 | Be used to detect, analyze and use the improvement technology of visible authentication patterns |
| CN102403312A (en) * | 2010-09-10 | 2012-04-04 | 台湾积体电路制造股份有限公司 | Device region on substrate and method of designing layout of devices |
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2017
- 2017-08-08 CN CN201710672722.5A patent/CN109388823A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200511122A (en) * | 2003-09-01 | 2005-03-16 | Inventec Corp | Method of power source design rule checking for line width and conducting hole number of circuit layout |
| CN101588433A (en) * | 2004-01-06 | 2009-11-25 | 汤姆逊许可证公司 | Be used to detect, analyze and use the improvement technology of visible authentication patterns |
| US20060007579A1 (en) * | 2004-07-07 | 2006-01-12 | International Business Machines | Utilization of tape head electronic lapping guides (elg's) as servo format verifiers |
| CN1987874A (en) * | 2005-12-21 | 2007-06-27 | 英业达股份有限公司 | Method for verifying part placing distance with dynamic regulation part height parameter |
| CN101211373A (en) * | 2006-12-29 | 2008-07-02 | 英业达股份有限公司 | Line diagram part graph proofreading method |
| CN102403312A (en) * | 2010-09-10 | 2012-04-04 | 台湾积体电路制造股份有限公司 | Device region on substrate and method of designing layout of devices |
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Application publication date: 20190226 |
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