CN101212857B - Printed circuit board with identifiable production information - Google Patents
Printed circuit board with identifiable production information Download PDFInfo
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- CN101212857B CN101212857B CN2006101714767A CN200610171476A CN101212857B CN 101212857 B CN101212857 B CN 101212857B CN 2006101714767 A CN2006101714767 A CN 2006101714767A CN 200610171476 A CN200610171476 A CN 200610171476A CN 101212857 B CN101212857 B CN 101212857B
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Abstract
The invention provides a printed circuit board (PCB) capable of distinguishing production information. The PCB includes a substrate on which a patterning circuit level is formed; a working section which records the production information related to the PCB. The working section comprises a plurality of information boxes, each of which is provided with a first block and a second block; wherein, the first block is only provided with a single group of resistance testing circuit; the second block is provided with four groups of resistance testing circuits. The production information recorded in the working block is extracted after each group of resistance testing circuit in the first block and the second block is respectively detected whether to be connected through by a resistance measuring machine station. In accordance with the utilization of the technical proposal provided by the invention, the resistance measuring machine station can be used for extracting such production information relevant to batch numbers and plate numbers reliably and conveniently by adopting the resistance testing method.
Description
Technical field
The present invention is relevant for art of printed circuit boards, and particularly relevant for a kind of printed circuit board (PCB) of identifiable production information, this printed circuit board (PCB) passes through after the cutting, the production information that can fast and effeciently review identification constituent parts finished printed circuit board product.
Background technology
As have the knack of known to this skill person, the manufacturing process of printed circuit board (PCB) is a parent material with the big substrate of a monoblock usually, make internal layer circuit earlier, this step must be via pre-treatment, last photoresist, exposure, develop, etching and go steps such as photoresist, form required circuit, and pass through with melanism or brown technology alligatoring copper surface, the then property of increase and insulating resin, then with the film pressing, machinery or laser drill are then used in conducting between the ectonexine, form conductive path between substrate through electroplating technology again, finish the circuit board skin after the circuit technology, be coated with anti-solder ink again, when avoiding soldering of electronic components, scolding tin overflow to adjacent lines causes short circuit, also is isolated substrate and airborne aqueous vapor and oxidation.
After the coating anti-solder ink, then, precalculated position on substrate forms serial number or relevant manufacturing information with printing or laser mode, at last, cut, with substrate cut the unit finished printed circuit board product that pluralizes, carry out testing electrical property (electronictest) at the per unit finished printed circuit board product respectively then.
Yet, at present the problem that suffers from of this field is that substrate cut pluralizes after the unit finished printed circuit board product, do not have numberings such as corresponding lot number, plate number on the constituent parts finished printed circuit board product, thus, trace for will recall in the future that the product line that unusual plate produces is other, groove is not or during hanger, will be that very difficult work and spacious day are when useless.
Hence one can see that, industry the multispan plant area that faces the future more, not collinear not/other mode of production of groove, be starved of a kind of low cost and can with the technical scheme of current technology compatibility, make it after finishing substrate cut, still can pick out the relevant manufacturing informations such as plate on the constituent parts finished printed circuit board product efficiently, and then can find out the corresponding production groove of unusual plate apace and do not reach hanger, conveniently to carry out follow-up root-cause (root cause) analytical work.
Summary of the invention
Therefore, the invention provides a kind of printed circuit board (PCB) of identifiable production information of novelty, to solve above-mentioned prior art problems.
According to preferred embodiment of the present invention, the invention provides a kind of printed circuit board (PCB) of identifiable production information, this circuit board includes a substrate, is formed with patterned line layer on it; An and service area, the production information that its record is relevant with described printed circuit board (PCB), described service area comprises a plurality of message boxs, each described message box has one first block and second block, wherein, single group of resistance test loop only arranged in described first block, then have four groups of resistance test loops in second block; And whether the described production information that write down described service area is captured out after the conducting by the resistance test loop of respectively organizing that a resistance measurement platform detects respectively in described first block and second block.
Each described message box record or represent arbitrary numeral in digital 0～9.
Numeral 5 or 0 is represented in the conducting of single group of resistance test loop in described first block or not conducting respectively.
Numeral 1 or 0 is represented in the conducting of each the resistance test loop in described second block or not conducting respectively.
The resistance test loop of respectively organizing in described first block and described second block has a pair of resistance testing cushion on the front of described substrate, by be formed on conductive through hole and the corresponding lead that is formed on the described substrate back in the described substrate constitute one can conducting the loop, otherwise, if the resistance test loop of respectively organizing in described first block and described second block does not have conductive through hole, just can't conducting.
Described service area is arranged on the outer peripheral areas of described printed circuit board (PCB).
Described service area is arranged on the zone of not laying patterned line layer on the described substrate.
The present invention utilizes in course of manufacturing printed circuit board, will be with in each service area 10 on the constituent parts printed circuit board (PCB) ad-hoc location is made and be embedded in to relevant manufacturing informations such as the lot number of constituent parts printed circuit board (PCB) and plate simultaneously, itself and current technology are compatible fully, and utilize the resistance measurement platform to capture relevant manufacturing informations such as these lot numbers and plate, not only reliably but also very convenient in the mode of resistance test.
In order to make the auditor can further understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing.Yet appended graphic only for reference and aid illustration usefulness are not to be used for to the present invention's limitr in addition.
Description of drawings
What Fig. 1 illustrated is the top view of preferred embodiment printed circuit board (PCB) of the present invention;
Fig. 2 illustrates is the generalized section of the conducting of resistance test loop and not on-state among Fig. 1.
The main element symbol description:
1 printed circuit board (PCB), 10 service areas
10a～10f message box 102 first blocks
102a resistance test loop 104 second blocks
104a～104d resistance test loop 202a resistance testing cushion
202b resistance testing cushion 204 leads
212a conductive through hole 212b conductive through hole
Embodiment
See also Fig. 1, what it illustrated is the top view of preferred embodiment printed circuit board (PCB) of the present invention.As shown in Figure 1, printed circuit board (PCB) 1 can be through cutting (dicing) unit finished printed circuit board product afterwards, include the service area 10 that patterned line layer (figure does not show) and records relevant manufacturing informations such as lot number and plate on it, wherein service area 10 can be arranged on the outer peripheral areas of printed circuit board (PCB) 1, or other does not lay the zone of patterned line layer.In addition, include insulating barrier on the printed circuit board (PCB) 1 in addition, for example, ABF (Ajinomoto Build-Up) film, and protective layer, for example, anti-welding resistance agent etc., it is all prior art, so repeat no more.
Comprise a plurality of message boxs (code box) 10a～10f in the service area 10, wherein, according to preferred embodiment of the present invention, four message boxs in front, that is message box 10a～10d are represented lot number, and two message boxs in back, that is message box 10e～10f, represent plate number, but be not limited to above-mentioned coding arrangement mode.
According to preferred embodiment of the present invention, relevant manufacturing informations such as lot number in each service area 10 and plate utilize a resistance measurement platform, for example, flying needle resistance measurement platform (flying probe tester), acquisition is come out.This tester table is commonly used in printed circuit board (PCB) and finishes that institute uses when carrying out testing electrical property after the cutting, so it has suitable convenience.
Demonstrate the enlarged diagram of one of them message box among Fig. 1 especially.Each message box 10a～10f in the service area 10 all has one first block 102 and second block 104, wherein, one group of resistance test loop 102a is only arranged in first block 102, then has four groups of resistance test loop 104a～104d in second block 104.
Please consult Fig. 2 simultaneously, what it illustrated is the generalized section of respectively organizing conducting of resistance test loop and not on-state among Fig. 1.As shown in Figure 2, each is organized the resistance test loop and all have resistance testing cushion (probe pad) 202a and 202b on the front of printed circuit board (PCB) 1, by being formed on the loop that conductive through hole 212a in the printed circuit board (PCB) 1 and 212b and corresponding lead 204 formations one that are formed on printed circuit board (PCB) 1 back side can conductings.Another kind of situation is that the loop can't conducting, that is by in the manufacture process, painstakingly do not form conductive through hole 212a and 212b both one of, perhaps, two conductive through hole 212a and the neither formation of 212b so can constitute the loop of not conducting.
Hence one can see that, technical characterictic of the present invention is that relevant manufacturing informations such as the lot number of printed circuit board (PCB) 1 and plate make simultaneously and be embedded in each service area 10 of printed circuit board (PCB) 1 in manufacture process, rather than after by the time print circuit plates making is finished or is cut just record get on, this practice also can be saved many valuable time, and very reliable.
According to preferred embodiment of the present invention, by the state difference of the aforementioned conducting of respectively organizing the resistance test loop or not conducting, each the message box 10a～10f in the service area 10 promptly can represent 0 to 9 numeral.For instance, after the test of flying needle resistance measurement platform, if resistance test loop 102a in first block 102 are can conducting, promptly represent numeral 5,, then set it and represent digital 0 if can not conducting, and if each the group resistance test loop 104a～104d in second block 104 is the energy conducting, represent numeral 1,, then represent digital 0 if can not conducting.
For example, each group resistance test loop 104a～104d in the resistance test loop 102a in first block 102 and second block 104 all can conducting, then the information corresponding frame is promptly represented numeral 9, again for example, resistance test loop 102a in first block 102 can conducting, but in second block 104, only has resistance test loop 104a and the 104b all can conducting, then the information corresponding frame is promptly represented numeral 7, by that analogy.
In sum, the present invention utilizes in course of manufacturing printed circuit board, will be with in each service area 10 on the constituent parts printed circuit board (PCB) ad-hoc location is made and be embedded in to relevant manufacturing informations such as the lot number of constituent parts printed circuit board (PCB) and plate simultaneously, itself and current technology are compatible fully, and utilize the resistance measurement platform to capture relevant manufacturing informations such as these lot numbers and plate, not only reliably but also very convenient in the mode of resistance test.Therefore, the present invention can effectively solve industry the multispan plant area that faces the future more, not collinear not/during other mode of production of groove, the identification problem of the relevant manufacturing informations such as plate on the constituent parts finished printed circuit board product, and then can find out the corresponding production groove of unusual plate apace and do not reach hanger, conveniently to carry out follow-up root-cause analysis work.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (7)
1. the printed circuit board (PCB) of an identifiable production information is characterized in that, described circuit board includes:
One substrate is formed with patterned line layer on it; And
One service area, the production information that its record is relevant with described printed circuit board (PCB), described service area comprises a plurality of message boxs, each described message box has one first block and second block, wherein, single group of resistance test loop only arranged in described first block, then have four groups of resistance test loops in second block; And the described production information that write down described service area detects respectively by a resistance measurement platform and respectively organizes the whether conducting and captured out of resistance test loop in described first block and second block.
2. the printed circuit board (PCB) of identifiable production information according to claim 1 is characterized in that, each described message box record or represent arbitrary numeral in digital 0～9.
3. the printed circuit board (PCB) of identifiable production information according to claim 1 is characterized in that, numeral 5 or 0 is represented in the conducting of single group of resistance test loop in described first block or not conducting respectively.
4. the printed circuit board (PCB) of identifiable production information according to claim 1 is characterized in that, numeral 1 or 0 is represented in the conducting of each the resistance test loop in described second block or not conducting respectively.
5. the printed circuit board (PCB) of identifiable production information according to claim 1, it is characterized in that, the resistance test loop of respectively organizing in described first block and described second block has a pair of resistance testing cushion on the front of described substrate, by be formed on conductive through hole and the corresponding lead that is formed on the described substrate back in the described substrate constitute one can conducting the loop, otherwise, if the resistance test loop of respectively organizing in described first block and described second block does not have conductive through hole, just can't conducting.
6. the printed circuit board (PCB) of identifiable production information according to claim 1 is characterized in that, described service area is arranged on the outer peripheral areas of described printed circuit board (PCB).
7. the printed circuit board (PCB) of identifiable production information according to claim 1 is characterized in that, described service area is arranged on the zone of not laying patterned line layer on the described substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101714767A CN101212857B (en) | 2006-12-28 | 2006-12-28 | Printed circuit board with identifiable production information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101714767A CN101212857B (en) | 2006-12-28 | 2006-12-28 | Printed circuit board with identifiable production information |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101212857A CN101212857A (en) | 2008-07-02 |
| CN101212857B true CN101212857B (en) | 2010-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101714767A Active CN101212857B (en) | 2006-12-28 | 2006-12-28 | Printed circuit board with identifiable production information |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101212857B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI409465B (en) * | 2010-12-09 | 2013-09-21 | Mpi Corp | Reinforcing plate, manufacturing method thereof and space transformer using the same |
| CN104470231B (en) * | 2014-12-31 | 2017-06-13 | 广州兴森快捷电路科技有限公司 | A kind of method that application serial number makes pcb board |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672479A (en) * | 2002-08-23 | 2005-09-21 | 富士机械制造株式会社 | Circuit substrate management method, tag chip mounting method, and electronic circuit manufacturing system |
| CN1737811A (en) * | 2004-08-20 | 2006-02-22 | 玴荣科技股份有限公司 | Method for establishing electronic volume mark of electronic products |
| CN1809248A (en) * | 2005-01-20 | 2006-07-26 | 夏普株式会社 | Printed wiring substrate and method for identifying printed wiring substrate |
-
2006
- 2006-12-28 CN CN2006101714767A patent/CN101212857B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672479A (en) * | 2002-08-23 | 2005-09-21 | 富士机械制造株式会社 | Circuit substrate management method, tag chip mounting method, and electronic circuit manufacturing system |
| CN1737811A (en) * | 2004-08-20 | 2006-02-22 | 玴荣科技股份有限公司 | Method for establishing electronic volume mark of electronic products |
| CN1809248A (en) * | 2005-01-20 | 2006-07-26 | 夏普株式会社 | Printed wiring substrate and method for identifying printed wiring substrate |
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| Publication number | Publication date |
|---|---|
| CN101212857A (en) | 2008-07-02 |
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