CN201781687U - Printed circuit board - Google Patents
Printed circuit board Download PDFInfo
- Publication number
- CN201781687U CN201781687U CN2010205109116U CN201020510911U CN201781687U CN 201781687 U CN201781687 U CN 201781687U CN 2010205109116 U CN2010205109116 U CN 2010205109116U CN 201020510911 U CN201020510911 U CN 201020510911U CN 201781687 U CN201781687 U CN 201781687U
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- optical markings
- circuit board
- printed circuit
- pcb
- positive
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Abstract
The utility model provides a printed circuit board which is provided with at least one veneer, wherein the first surface of each veneer is provided with at least two groups of optical mark points with different shapes, and the second surface of the veneer and a first surface image position of the veneer are also provided with optical mark points same with the first surface. When the printed circuit board is placed reversely by rotating for 180 degrees, the two groups of optical mark points with different shapes can change, equipment can not be recognized due to the difference of recognition bases, thus the technical problems of reverse placement of the printed circuit board by rotating for 180 degrees is solved effectively from the design, the additional cost is not increased, and the problem of reverse placement can be thoroughly solved, therefore, the product and the equipment can be prevented from being damaged, the production efficiency is improved, and the production cost is saved.
Description
Technical field
The utility model belongs to the electronic product field, relates in particular to a kind of MARK (mark) design of printed circuit board (PCB).
Background technology
Because the develop rapidly of modern electronic product, the quantity demand of electronic product constantly increases, and is also more and more stronger for the demand of product counnter attack.Modularization along with present equipment, the requirement of the flexibility of producing is more and more higher, mobility to equipment also proposes higher requirement, the shared aborning proportion of the damage of equipment maintenance is also required fewer and feweri, and the demand of the counnter attack of product is also brought up to a very high attention degree.From design, effectively avoid product to put back and also proposed strong demand.
Printed circuit board (PCB) (PCB) has been put back 180 degree rotations and positive and negative upset dual mode at present.In the prior art, prevent that the method that PCB is put back from mainly containing following two kinds:
1, please refer to shown in Figure 1A and the 1B, design indicates " TOP " and " BOT " or " A " literal with " B " face on PCB, to prevent the product of putting back of positive and negative.This method needs personnel operation correct, and the making of program making and tool need be consistent with the description of literal, promptly all is TOP or BOT, in case inconsistent causing of any one link makes mistakes, all has no idea to prevent putting back of PCB positive and negative.This method has artificial unreliable factor to exist, and can only prevent putting back of a kind of positive and negative upset, can not stop 180 degree rotations fully and put back, and certain limitation is arranged.
2, please refer to shown in Figure 2, on the technology limit of negative and positive layout (the existing TOP face of the same one side in a jigsaw has the pcb board of BOTTOM face again) or positive jigsaw (the same one side in a jigsaw has only the TOP face or has only the pcb board of BOTTOM face), add the hand designations that flows to 21 (for example being that arrow is represented), put back product to prevent 180 degree rotations.This method also needs personnel operation correct, and the making of program making and tool and the description of literal are consistent, in case mistake appears in any one link, has no idea all to prevent that the rotations of 180 degree from putting back.This method is also the same with first method, and counnter attack is single, and is unreliable, has limitation.
By aforesaid description as can be known, two kinds of method all management and control artificially aborning, counnter attack is single, bothersome effort but can not be stopped the problem that product is put back fully, causes and damages product and equipment, increases equipment failure rate, reduce production efficiency, cause unnecessary cost waste.
The utility model content
The utility model is for solving the technical problem that printed circuit board (PCB) exists 180 degree rotations to put back in the prior art, a kind of printed circuit board (PCB) is provided, solve the technical problem that 180 degree rotations are put back from designing, neither increase extra cost, can thoroughly solve the problem of putting back again, thereby avoided the damage of product and equipment, enhanced productivity, saved production cost.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of printed circuit board (PCB), described printed substrate is provided with at least one veneer, the first surface of each described veneer is provided with the difform optical markings point of at least two groups, the second surface of described veneer and first surface mirror position place also are provided with the optical markings point identical with first surface.
Further, described two groups of optical markings points be positioned at two of first surfaces cornerwise any one go up or near.
Further, the shape of described two groups of difform optical markings points is respectively circular and square.
Further, described printed substrate is positive jigsaw, and in four angles of described positive jigsaw front edges of boards, any therein three angles are provided with identical shaped optical markings point.
Further, described three optical markings points is shaped as circle.
Preferably, at described positive edges of boards mirror position place, the jigsaw back side, be provided with and positive identical optical markings point.
Further, in described three optical markings points, form any one the optical markings point in one group of the diagonal, with the position of other two optical markings points apart from edges of boards apart from different.
Further, described printed substrate is the negative and positive jigsaw, and four angles of described negative and positive jigsaw front edges of boards are provided with the optical markings point, and the optical markings point shape of edges of boards and following edges of boards is different on the described negative and positive jigsaw.
Further, the optical markings point of edges of boards is square on the described positive jigsaw, and the optical markings point of following edges of boards is for circular.
Preferably, at edges of boards mirror position place, the described negative and positive jigsaw back side, be provided with and positive identical optical markings point.
Preferably, described circular optics gauge point comprises first circle and second circle that is nested in first circle, and square optical markings point comprises first square and second square that is nested in first square.
The printed circuit board (PCB) that the utility model provides, described printed substrate is provided with several veneers, the first surface of each described veneer is provided with the difform optical markings point of at least two groups, the second surface of described veneer and first surface mirror position place also are provided with the optical markings point identical with first surface.When printed circuit board (PCB) generation 180 degree rotations are put back, two groups of difform optical markings points can change, equipment can can't be discerned because of the difference in identification storehouse, efficiently solve the technical problem that 180 degree rotations are put back from design, neither increase extra cost, can thoroughly solve the problem of putting back again, thereby avoided the damage of product and equipment, enhance productivity, save production cost.
Description of drawings
Figure 1A is the word indicating schematic diagram in the positive jigsaw front that provides of prior art;
Figure 1B is the word indicating schematic diagram of the positive jigsaw reverse side that provides of prior art;
Fig. 2 is the word indicating schematic diagram of the negative and positive jigsaw that provides of prior art;
Fig. 3 be the utility model provide at veneer first surface and second surface the schematic diagram of optical markings point is set;
Fig. 4 is that the mark of the positive jigsaw that provides of the utility model is provided with schematic diagram;
Fig. 5 is that the mark of the negative and positive jigsaw that provides of the utility model is provided with schematic diagram.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
In existing PCB design, manufacture process, all be on a big printed circuit board (PCB), a plurality of little printed circuit board (PCB)s to be set, form arrayed, each little printed circuit board (PCB) is referred to as veneer.The utility model provides a kind of printed circuit board (PCB), described printed substrate is provided with at least one veneer, the first surface of each described veneer is provided with the difform optical markings point 31 of at least two groups and 32, the second surface of described veneer and first surface mirror position place, also be provided with the optical markings point identical 33 and 34 with first surface, please refer to the schematic diagram that optical markings point is set at veneer first surface and second surface shown in Figure 3, when two groups of optical markings points are set, two groups of optical markings points 31 and 32 are positioned on two cornerwise any one of the first surface, perhaps are positioned near the diagonal substantially.The printed circuit board (PCB) that the utility model provides, when printed circuit board (PCB) generation 180 degree rotations are put back, two groups of difform optical markings points can change, equipment can can't be discerned because of the difference in identification storehouse (data summations such as shape, data size, RM, irradiate light mode are database), efficiently solve the technical problem that 180 degree rotations are put back from design, neither increase extra cost, can thoroughly solve the problem of putting back again, thereby avoided the damage of product and equipment, enhance productivity, save production cost.
The shape of described two groups of difform optical markings points can design arbitrarily, as long as guarantee that the shape of two groups of optical markings points is different, such as can perhaps constituting for a plurality of of single shape for circle, ellipse, rectangle, square or the like.As a kind of concrete execution mode, it is circular and square that the shape of described two groups of optical markings points is respectively; Further, described one group of optical markings point is the nested combination of a plurality of circles, and another group optical markings point is a plurality of foursquare nested combinations.
Please refer to shown in Figure 4, first kind of execution mode of the printed circuit board (PCB) that provides for the utility model, printed circuit board (PCB) be arranged as positive jigsaw.In four angles of described positive jigsaw front edges of boards, any therein three angles are provided with identical shaped optical markings point.As a kind of embodiment, present embodiment is respectively arranged with the optical markings point 43,44 and 45 of same form shape in the upper left corner, the lower right corner and the lower left corner of printed circuit board (PCB).Certainly,, can also be arranged on the optical markings point on three angles of other combination in any, be not described in detail in this as those skilled in the art.Wherein, the nested combination that is shaped as circular or a plurality of circles of described three optical markings points.Preferably, the nested combination that is shaped as two circles of described three optical markings points has promptly comprised a roundlet a great circle the inside, and details please refer to optical markings point shown in Figure 4 43,44 and 45.Further, described big diameter of a circle is 3mm, and little diameter of a circle is 1mm, and the size of certain described circle can be designed to other size according to actual needs.
Further, in the position of described positive jigsaw back side edges of boards correspondence, be provided with and positive identical optical markings point, promptly at the back side of jigsaw just, with described optical markings point 43,44 and 45 corresponding positions, also be provided with three identical optical markings points.
Further, in described three optical markings points, form any one the optical markings point in one group of the diagonal, with the position formation difference of other two optical markings points.For example, two optical markings points 43 of described optical markings point 44 and other and 45 position are different, and the distance that optical markings point 43 and 45 arrives the next door location holes is 5mm, and optical markings point 44 arrive by the distance of location holes be 10mm.Described setting is exactly the range difference alienation of the optical markings on the diagonal being put edges of boards, makes its identification range that exceeds equipment (identification range of equipment is in the 5mm).Like this, describedly just piecing together the upset that in a single day printed circuit board (PCB) makes front and back, the quantity of diagonal optical markings point and position can change, and recognition of devices can report an error, and has avoided the anti-part of front and back to place effectively.Present embodiment has become round and square two kinds with the optical markings point in the veneer 41 with 42 shaped design, even the rotation of 180 degree has taken place like this, though optical markings point is within the identification range of equipment, but still can (one be circular because of recognition data storehouse difference, one is square, data summations such as the data of length and width and RM and irradiate light mode are database), can't discern, effectively played the effect of 180 degree rotation counnter attacks.
Please refer to shown in Figure 5, second kind of execution mode of the printed circuit board (PCB) that provides for the utility model, printed circuit board (PCB) be arranged as the negative and positive jigsaw, four angles of described negative and positive jigsaw front edges of boards are provided with optical markings point 53,54,55 and 56, and the optical markings point shape of edges of boards and following edges of boards is different on the described negative and positive jigsaw.The described optical markings point of going up edges of boards is 53 and 54, and it is shaped as square, and it is 55 and 56 that the described optical markings of edges of boards is down pointed out, and it is shaped as circle; Further, the optical markings point of last edges of boards is square nested combination, be that square optical markings point comprises first square and second square that is nested in first square, the described first foursquare 3 * 3mm that is of a size of, the second foursquare 1 * 1mm that is of a size of; The optical markings point of following edges of boards is for the circular nested combination, and is similar with the nested designs and the size of described square optical markings point.Certain described square and circular size can be designed to other size according to actual needs.In like manner, the described shape that goes up edges of boards and lower plate marginal ray gauge point can also be arranged to other shape, and is similar with the positive jigsaw of front, do not repeat them here.
Preferably, in the position of described negative and positive jigsaw back side edges of boards correspondence, be provided with and positive identical optical markings point.Promptly,, also be provided with four identical optical markings points with described optical markings point 53,54,55 and 56 corresponding positions at the back side of negative and positive jigsaw.
In the negative and positive jigsaw of present embodiment, because optical markings point is the designed in mirror image of front and back, so just do not exist/problem that back side upset is put back.But, when the rotation of 180 degree takes place when, the circle of negative and positive jigsaw edges of boards and square optical markings point 53,54,55 and 56, and the circle on the veneer and square optical markings point 51 and 52, just/back side upset still guarantees under the prerequisite of mirror image, make 180 degree rotations form differentiation again, allow the position and the shape of all optical markings points change, because the optics point shape difference of edges of boards up and down, equipment can can't be discerned because the recognition data storehouse is different, avoid the mistake identification of equipment, reached the effect of 180 degree rotation counnter attacks.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (11)
1. printed circuit board (PCB), described printed substrate is provided with at least one veneer, it is characterized in that, the first surface of each described veneer is provided with the difform optical markings point of at least two groups, the second surface of described veneer and first surface mirror position place also are provided with the optical markings point identical with first surface.
2. printed circuit board (PCB) according to claim 1 is characterized in that, described two groups of optical markings points be positioned at two of first surfaces cornerwise any one go up or near.
3. printed circuit board (PCB) according to claim 1 and 2 is characterized in that, it is circular and square that the shape of described two groups of difform optical markings points is respectively.
4. printed circuit board (PCB) according to claim 3 is characterized in that, described printed substrate is positive jigsaw, and in four angles of described positive jigsaw front edges of boards, any therein three angles are provided with identical shaped optical markings point.
5. printed circuit board (PCB) according to claim 4 is characterized in that, described three optical markings points be shaped as circle.
6. printed circuit board (PCB) according to claim 5 is characterized in that, at described positive edges of boards mirror position place, the jigsaw back side, is provided with and positive identical optical markings point.
7. printed circuit board (PCB) according to claim 4 is characterized in that, in described three optical markings points, forms any one the optical markings point in one group of the diagonal, with the position of other two optical markings points apart from edges of boards apart from different.
8. printed circuit board (PCB) according to claim 3, it is characterized in that, described printed substrate is the negative and positive jigsaw, and four angles of described negative and positive jigsaw front edges of boards are provided with the optical markings point, and the optical markings point shape of edges of boards and following edges of boards is different on the described negative and positive jigsaw.
9. printed circuit board (PCB) according to claim 8 is characterized in that, the optical markings point of edges of boards is square on the described positive jigsaw, and the optical markings point of following edges of boards is for circular.
10. printed circuit board (PCB) according to claim 9 is characterized in that, at edges of boards mirror position place, the described negative and positive jigsaw back side, is provided with and positive identical optical markings point.
11. printed circuit board (PCB) according to claim 9, it is characterized in that, described circular optics gauge point comprises that first is circular and be nested in second circle in first circle, and square optical markings point comprises first square and is nested in first second square in square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205109116U CN201781687U (en) | 2010-08-25 | 2010-08-25 | Printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205109116U CN201781687U (en) | 2010-08-25 | 2010-08-25 | Printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201781687U true CN201781687U (en) | 2011-03-30 |
Family
ID=43794885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205109116U Expired - Fee Related CN201781687U (en) | 2010-08-25 | 2010-08-25 | Printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201781687U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890428A (en) * | 2012-09-18 | 2013-01-23 | 天津芯硕精密机械有限公司 | Method for aligning exposure patterns on two sides of PCB (printed circuit board) |
| CN105407637A (en) * | 2015-12-23 | 2016-03-16 | 珠海市联决电子有限公司 | Flexible printed circuit (FPC) jointed board and jointed board design method thereof |
| CN106649973A (en) * | 2015-11-03 | 2017-05-10 | Trw车辆电气与零件有限公司 | Optically readable code and method of marking printed circuit boards by means of an optically readable code |
| CN107318222A (en) * | 2017-08-25 | 2017-11-03 | 郑州云海信息技术有限公司 | A kind of prevention PCB throws reverse PCB Mark points, pcb board card and the method for line |
-
2010
- 2010-08-25 CN CN2010205109116U patent/CN201781687U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890428A (en) * | 2012-09-18 | 2013-01-23 | 天津芯硕精密机械有限公司 | Method for aligning exposure patterns on two sides of PCB (printed circuit board) |
| CN106649973A (en) * | 2015-11-03 | 2017-05-10 | Trw车辆电气与零件有限公司 | Optically readable code and method of marking printed circuit boards by means of an optically readable code |
| CN105407637A (en) * | 2015-12-23 | 2016-03-16 | 珠海市联决电子有限公司 | Flexible printed circuit (FPC) jointed board and jointed board design method thereof |
| CN107318222A (en) * | 2017-08-25 | 2017-11-03 | 郑州云海信息技术有限公司 | A kind of prevention PCB throws reverse PCB Mark points, pcb board card and the method for line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20150825 |
|
| EXPY | Termination of patent right or utility model |