CN1459628A - Circuit board plate material surface defect instant informing device - Google Patents
Circuit board plate material surface defect instant informing device Download PDFInfo
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- CN1459628A CN1459628A CN 02121603 CN02121603A CN1459628A CN 1459628 A CN1459628 A CN 1459628A CN 02121603 CN02121603 CN 02121603 CN 02121603 A CN02121603 A CN 02121603A CN 1459628 A CN1459628 A CN 1459628A
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- circuit board
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Abstract
An instan defect inspector for the surface of PCB is composed of image locating and inspecting unit, defect type input unit, computer and real-time output unit. It is possible to additionally equip such unit to it as several PCB serial number recognizing and appearance inspecting stations, relay stations and data acquiring and analyzing station. Its operating steps include inputting PCB' serial number, circuit diagram and wiring diagram, correcting the relative position between microscope and carrier, putting PCB on carrier, inspecting, determining and classifying defects, outputting to relay station, analyzing at analyzing station, and displaying.
Description
Technical field
The present invention is relevant with the board quality detection, and particularly a kind of circuit board plate material surface defect instant informing device, this device have saving manpower and the time, avoid sensing range to omit, learn immediately the advantage of testing result.
Background technology
It mainly is to detect the sheet material outward appearance by an operator with microscope or magnifier that known circuit board (hereinafter to be referred as PCB) plate surface Defect Detection and testing result are converged whole operation, finds behind the flaw labelled and indicate the flaw kind (as pollution, scratch, leakage copper, cull on label at the flaw place ...).If the sheet material area excessive then must be mobile the sheet material subregion detect, and then login at host computer and carry out statistical study, with the report testing result by each sheet material flaw kind that the another one operator will detect.There is following disappearance in this method:
1. need to use more manpower and time: use two operators, detected every sheet material by first operator, and at the flaw place labelled and dated flaw kind, the second place operator with behind every flaw location, the kind input computer, just can be known the statistical study data of detected flaw again.
2. may omit some sensing range: the first place operator needs mobile sheet material that each block is placed under microscope or the magnifier when the bigger sheet material of area of detection to detect.This moment may be because of operator inadvertent displacement too much causes omission, thereby produces and flaw is arranged but situation that the end is found
3. can't obtain testing result immediately:, must wait second masterpiece industry member after manually importing every sheet material flaw kind one by one, just can carry out statistical study if will see testing result.The QC quality control could understand the testing result of sheet material tablet at this moment, can't detect after partly the circuit board tablet finds that promptly some flaw occurrence number is higher at operator, deals with problems in the shortest time.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the disappearance of above-mentioned known manual detection circuit board plate material operation, a kind of circuit board plate material surface defect instant informing device is provided, and this device should have the advantage that saves manpower and time, avoids the sensing range omission and learn testing result immediately.
Technical solution of the present invention is as follows:
A kind of circuit board plate material surface defect instant informing device, its characteristics are that this device comprises:
(1) image location and detecting unit, this unit comprise that fixing electron microscopic gamma camera (CCD), fixing microscope and X, a Y direction moves microscope carrier;
(2) flaw classification input block is as computor-keyboard;
(3) host computer utilizes the CPU CPU (central processing unit), with execution and the calculation process work of controlling each unit;
(4) report output unit immediately, comprise database floppy disk and display;
Its course of work comprises the following steps:
(1) said CCD can move a certain zone picked-up image on circuit board (PCB) sheet material on the microscope carrier to being positioned at X, Y direction, capture the starting point that this distinguishes image and orientates detection as, convert picked image to signal via Frame Grabber (VIDEO CARD) then and be sent to host computer;
(2) move microscope carrier mobile PC B sheet material by testing staff's use device in X, Y direction below the fixing microscope, with the flaw on microscopic examination pcb board material surface, host computer is remembered the pcb board material simultaneously by microscopical part;
(3) if somewhere when finding flaw, the testing staff can import the flaw code name and be sent to host computer by computor-keyboard;
(4) host computer then can be judged the coordinate figure of flaw place with respect to starting point simultaneously; And coordinate figure and flaw code name automatically delivered to instant report output unit after via classification, computing;
(5), show with graph mode by display device the flaw situation of all each positions, detected pcb board materials surface to show the statistical study of all kinds of flaws of pcb board material that all are tested at the instant output unit of reporting;
The microscope of location and installation in this image location and the detecting unit, the magnifier that can change by location and installation substitutes;
Should instant display device of reporting output unit can be computer display screen;
Said image location and detecting unit, can develop into some circuit board numbering identifications and outward appearance measuring station, this station reads in (ID Reader) device, defective identification by identification code and classify output unit (containing speech prompting device), microscope or magnifier and X, Y direction move the microscope carrier formation;
Also have relay station and Data acquisition, and analysis station, this relay station, receive flaw data and be sent to Data acquisition, and analysis station from numbering identifications of some circuit boards and outward appearance measuring station, this Data acquisition, and analysis station are finished data and are converged whole, analysis, storage and analysis of data and show.
Technique effect of the present invention is as follows:
1. save manpower and time: can be when the testing staff sees through microscope or magnifier discovery flaw via the default flaw code name of computor-keyboard input of flaw classification input block, directly be recorded on the data bank software of instant report output unit, to replace current practice---the testing staff attaches a label to circuit board plate material behind the discovery flaw, after having detected a slice or a collection of circuit board, every flaw location and kind are imported computer one by one by another people.Need two people carry out respectively to detect and the work of input computer, by this device need one people detection and import simple flaw code name and can finish only in the past;
2. avoid the omission of sensing range: because of image location and detecting unit can be located detecting starting point, and will detect the path and be remembered, and therefore can from computer, learn the scope that detects omission immediately and mended survey;
3. testing result can obtain immediately: after the testing staff finds that flaw is imported the flaw code name simultaneously and transferred to host computer, instant display device of reporting output unit also shows flaw herein simultaneously, need not by the time to have detected and again testing result is imported computer behind a slice or a collection of sheet material even printed off form and can know just the statistical study of which kind of flaw or all kinds of flaws at which place appears in which sheet material, can help that the testing staff is instant to understand the quality status that detects sheet material at present;
4. provide testing staff's advanced management instrument, the reason that helps the express-analysis defective to produce.
Description of drawings
Fig. 1 is the block scheme of preferred embodiment of the present invention.
Embodiment
Circuit board plate material surface defect instant informing device as shown in Figure 1 mainly includes some circuit board numbering identifications and outward appearance measuring station 1, relay station 2 and Data acquisition, and analysis station 3, wherein:
This circuit board numbering is distinguished and is knitted and outward appearance measuring station 1, system includes identification code and reads in (ID Reader) device 11, defective is assert and classification output unit (containing speech prompting device) 12, microscope (or magnifier) 13 and X, the Y direction moves microscope carrier 14, the tester at first numbers and obtains the circuit technique thereof figure (LAY OUT) or the wiring data of this circuit board at ID Reader device 11 input circuit plates, and the relative position relation of correction and mobile microscope 13 and microscope carrier 14, then the tester places circuit board on the microscope carrier 14, and the relative position relation of generation circuit board and microscope carrier 14, and then the testing staff seeks the outward appearance flaw of circuit board, when the testing staff seeks the circuit board flaw, this workstation is then obtained the change in location of microscope 13 with respect to microscope carrier 14 automatically, be reflected into this circuit board wiring data, identification code reader unit 11 also can write down the position of having detected at this moment, confirm defect kind and position thereof with defective identification and classification output unit 12 afterwards, and immediately with data transmission to relay station 2, when the testing staff finishes first sheet material and desire detects second sheet material but first sheet material still has the zone last when detected, the defective identification can be sent prompting message with classification output unit 12, informing that this sheet circuit board plate material of tester does not detect finishes, and just can allow next sheet material to begin to detect behind to be detected the finishing;
This relay station 2 receives the flaw information and is sent to Data acquisition, and analysis station 3 from aforementioned some circuit boards numbering identification and outward appearance measuring station 1;
This Data acquisition, and analysis station 3, its function comprises that data converges whole, analysis, data storage and instant playback analysis of data, utilize aforementioned some the circuit boards numbering identification of CPU (central processing unit) (CPU) instant analysis and outward appearance measuring station 1 data of host computer, and confirm the integrality of sensing range.
In sum, the utility model is compared with existing technology, and has following enhancement effect;
1. save manpower and time: when the testing staff during by microscope or magnifying glass discovery flaw can through By the computor-keyboard input flaw code name of flaw classification input block, it is single directly to be recorded in instant report output In the data bank of unit, to replace current practice---the testing staff attaches a label to the circuit board plate behind the discovery flaw Material, in check out a slice or a collection of after, by another people every flaw location and kind are imported computer one by one: Need two people to carry out respectively the work that detects and import computer in the past, and utilized this device only to need a people detection and defeated Entering simple flaw code name can finish.
2. avoid the omission of detection range: because image location and detecting unit can will detect starting point in addition Location and detection path are remembered, and therefore can immediately be learnt by computer and detect scope and the automatic newspaper of omitting Alert prompting is to obtain exhaustively testing result.
3. testing result can obtain immediately: import simultaneously the transmission of flaw code name when the testing staff finds flaw To host computer, the display unit of immediately reporting output unit shows flaw herein simultaneously, need not by the time After having detected a slice or a collection of sheet material, again testing result is imported computer even printed off form and just which can be known The statistical analysis of which kind of flaw or all kinds of flaws at which place appears in a little sheet materials, can help the testing staff instant Understand the quality status of the sheet material that detects at present.
4. be testing staff's advanced management instrument, but the reason that the rapid analysis defective produces.
Claims (6)
1. circuit board plate material surface defect instant informing device is characterized in that this device comprises:
(1) image location and detecting unit, this unit comprise that fixing electron microscopic gamma camera (CCD), fixing microscope and X, a Y direction moves microscope carrier;
(2) computor-keyboard of flaw classification input block;
(3) host computer utilizes the CPU CPU (central processing unit), with execution and the calculation process work of controlling each unit;
(4) report output unit immediately, comprise database floppy disk and display;
Its course of work comprises the following steps:
(1) said CCD can move a certain zone picked-up image on circuit board (PCB) sheet material on the microscope carrier to being positioned at X, Y direction, capture the starting point that this distinguishes image and orientates detection as, convert picked image to signal via Frame Grabber (VIDEO CARD) then and be sent to host computer;
(2) move microscope carrier mobile PC B sheet material by testing staff's use device in X, Y direction below the fixing microscope, with the flaw on microscopic examination pcb board material surface, host computer is remembered the pcb board material simultaneously by microscopical part;
(3) if somewhere when finding flaw, the testing staff can import the flaw code name and be sent to host computer by computor-keyboard;
(4) host computer then can be judged the coordinate figure of flaw place with respect to starting point simultaneously, and coordinate figure and flaw code name are automatically delivered to instant report output unit after via classification, computing;
(5), show with graph mode by display device the flaw situation of all each positions, detected pcb board materials surface to show the statistical study of all kinds of flaws of pcb board material that all are tested at the instant output unit of reporting.
2. circuit board plate material surface defect instant informing device according to claim 1 is characterized in that the microscope of location and installation in this image location and the detecting unit, and the magnifier that can change by location and installation substitutes.
3. circuit board plate material surface defect instant informing device according to claim 1 is characterized in that this instant display device of reporting output unit can be computer display screen.
4. circuit board plate material surface defect instant informing device according to claim 1, it is characterized in that said image location and detecting unit, can develop into some circuit board numbering identifications and outward appearance measuring station (1), this station reads in (ID Reader) device (11), defective identification by identification code and classify output unit (containing speech prompting device) (12), microscope or magnifier (13) and X, Y direction move microscope carrier (14) formation.
5. circuit board plate material surface defect instant informing device according to claim 4, it is characterized in that also having relay station (2) and Data acquisition, and analysis station (3), this relay station (2), receive flaw data and be sent to Data acquisition, and analysis station (3) from numbering identifications of some circuit boards and outward appearance measuring station (1), this Data acquisition, and analysis station (3) are finished data and are converged whole, analysis, storage and analysis of data and show.
6. circuit board plate material surface defect instant informing device according to claim 5 is characterized in that its workflow is as follows:
(1) tester is at first in identification code reader unit (11) input circuit plate numbering, circuit technique thereof figure and wiring data;
(2) relative position relation of correct microscope (13) and mobile microscope carrier (14);
(3) circuit board is placed on the mobile microscope carrier (14), and produce the relative position relation of circuit board and microscope carrier (14);
(4) tester seeks the open defect of circuit board;
(5) find defective after, the defective identification is confirmed defect kind and position thereof with classification output unit (12);
(6) flaw data is sent to Data acquisition, and analysis station (3) through relay station (2);
(7) Data acquisition, and analysis station (3) carry out the remittance of circuit board flaw data whole, analyze, store the instant playback analysis result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02121603 CN1459628A (en) | 2002-05-24 | 2002-05-24 | Circuit board plate material surface defect instant informing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02121603 CN1459628A (en) | 2002-05-24 | 2002-05-24 | Circuit board plate material surface defect instant informing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1459628A true CN1459628A (en) | 2003-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 02121603 Pending CN1459628A (en) | 2002-05-24 | 2002-05-24 | Circuit board plate material surface defect instant informing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100369007C (en) * | 2005-01-31 | 2008-02-13 | 英群企业股份有限公司 | Automatic vision identifying system for identifying keyboard |
| CN100445749C (en) * | 2004-12-06 | 2008-12-24 | 飞而康公司 | Plate supply device for testing unit of plate display and sub-working table thereof |
| CN100495000C (en) * | 2004-08-20 | 2009-06-03 | 大日本网目版制造株式会社 | Visual confirmation device and check system |
| CN101065658B (en) * | 2004-11-29 | 2011-02-02 | 摩托罗拉公司 | Method for determining chemical content of complex structures using x-ray microanalysis |
| CN101295001B (en) * | 2007-04-28 | 2011-03-16 | 平成科贸股份有限公司 | Printed circuit board detecting method and system thereof |
| CN102608131A (en) * | 2012-02-29 | 2012-07-25 | 博罗县精汇电子科技有限公司 | Detection method of glue falling of adhesive tape in manufacturing process of circuit board |
| CN112505055A (en) * | 2021-02-03 | 2021-03-16 | 苏州维嘉科技股份有限公司 | Method and device for detecting copper leakage of circuit board |
-
2002
- 2002-05-24 CN CN 02121603 patent/CN1459628A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100495000C (en) * | 2004-08-20 | 2009-06-03 | 大日本网目版制造株式会社 | Visual confirmation device and check system |
| CN101065658B (en) * | 2004-11-29 | 2011-02-02 | 摩托罗拉公司 | Method for determining chemical content of complex structures using x-ray microanalysis |
| CN100445749C (en) * | 2004-12-06 | 2008-12-24 | 飞而康公司 | Plate supply device for testing unit of plate display and sub-working table thereof |
| CN100369007C (en) * | 2005-01-31 | 2008-02-13 | 英群企业股份有限公司 | Automatic vision identifying system for identifying keyboard |
| CN101295001B (en) * | 2007-04-28 | 2011-03-16 | 平成科贸股份有限公司 | Printed circuit board detecting method and system thereof |
| CN102608131A (en) * | 2012-02-29 | 2012-07-25 | 博罗县精汇电子科技有限公司 | Detection method of glue falling of adhesive tape in manufacturing process of circuit board |
| CN112505055A (en) * | 2021-02-03 | 2021-03-16 | 苏州维嘉科技股份有限公司 | Method and device for detecting copper leakage of circuit board |
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