CN103366036A - Method for generating demonstration data used for welding inspection, and method for welding inspection - Google Patents
Method for generating demonstration data used for welding inspection, and method for welding inspection Download PDFInfo
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- CN103366036A CN103366036A CN 201310095821 CN201310095821A CN103366036A CN 103366036 A CN103366036 A CN 103366036A CN 201310095821 CN201310095821 CN 201310095821 CN 201310095821 A CN201310095821 A CN 201310095821A CN 103366036 A CN103366036 A CN 103366036A
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Abstract
The invention provides a method for generating demonstration data used for welding inspection, and a method for welding inspection. The methods are characterized by just using a terminal pad area of an inspection object substrate (100) and Gerber data of a hole area, and determining positions where inspection of short-circuit caused by solder is performed based on position relations of the terminal pad area and the hole area, that is, determining positions where bridge connection should be performed, and generating indication data of bridge connection positions set on determined positions.
Description
Technical field
The present invention relates to a kind of technology that the quality of the welding that is welded on the electronic devices and components on the substrate is checked.
Background technology
In the past, had the method for utilizing image to process the quality to the welding that is welded on the electronic devices and components on the printed base plate to check.Utilizing image to process in the inspection method that the quality of welding is checked, generate the designation data outbalance that is used to indicate inspection area, inspection method.
For general substrate, there are sometimes hundreds of above inspection areas on the substrate.For this situation, in order manually to indicate inspection area with computer keyboard etc., need a large amount of time.
In order to shorten the time of indication inspection area, have and utilize designation data automatically to indicate the method for inspection area (for example, with reference to patent documentation 1 (Japanese patent laid-open 5-35850 communique)).
Fig. 7 is the process flow diagram of indicating means that disclose, existing welding inspection device in the explanation patent documentation 1.
At first, in step Sll, (Computer Aided Manufacturing: computer-aided manufacturing) data are obtained installation site, installation direction, model of components and parts etc. by CAM.Then, in step S12, by CAD (Computer Aided Design: computer-aided design (CAD)) data obtain a kind of inspection area position and shape, be position and the shape of terminal pad.Then, in step S13, obtain the library name corresponding with the components and parts model with reference to conversion table, thereby fox message is distributed to this components and parts.Here, the storehouse that manages accordingly with the components and parts model has been shown among Fig. 8.Then, repeating step S1l～S14 is until to all components and parts completing steps Sl1～S13.Afterwards, in step S15, based on the information in storehouse and according to whether having adjacent components and parts to set or delete for the window that checks bridge joint.Then, in step S16, calculate chamfer angle based on the information in storehouse, and extraction threshold value and inspection benchmark are revised.Then, repeating step S15～S17 is until to till all components and parts completing steps S15～S16.Afterwards, in step S18, use the designation data that generates by step Sll～S17 to carry out the automatic distribution of inspection area to processing picture, thereby automatically indicate inspection area.
Summary of the invention
In above-mentioned existing structure, designation data and components and parts model are managed accordingly.Yet, usually on new substrate, can contain new components and parts, thereby need to when generating the designation data of new substrate, add new components and parts model.Therefore, in existing structure, all need each time to generate the storehouse of new components and parts model, so that indicate the rise time of the required designation data of inspection area elongated.
For solving the problem of above-mentioned prior art, the object of the invention is to not use the storehouse corresponding with the components and parts model, thereby easily and at high speed generate the designation data that welding inspection is used.
In order to address the above problem, the generation method of the designation data that welding inspection of the present invention is used is characterised in that, only use the design data of substrate, determine to carry out the position of welding inspection based on the terminal pad zone of above-mentioned design data and/or the position relationship of via area, thereby be created on the designation data that determined set positions has inspection area.
In addition, in order to address the above problem, welding inspection method of the present invention is characterised in that, the designation data of using the generation method of the designation data of being used by above-mentioned welding inspection to generate is carried out the welding inspection to aforesaid substrate.
Description of drawings
Fig. 1 is the process flow diagram of the designation data generation method in the embodiments of the present invention 1.
Fig. 2 is the process flow diagram of the designation data generation method that being used in the embodiments of the present invention 1 bad terminal pad and hole detected.
Fig. 3 is the overall flow figure to the bad designation data generation method that detects of bridge joint of being used in the embodiments of the present invention 1.
Fig. 4 is the process flow diagram of the first half of Fig. 3.
Fig. 5 is the process flow diagram of the latter half of Fig. 3.
Fig. 6 (a), (b) are the substrate of expression in the embodiments of the present invention 1 and the figure of the example of designation data.
Fig. 7 is the process flow diagram of the designation data generation method put down in writing of patent documentation 1.
Fig. 8 is the figure that describes for the referred database that patent documentation 1 is put down in writing.
Fig. 9 is the process flow diagram that the bridge joint inspection area of the Surface Mount Component, in the embodiments of the present invention 2 is judged.
Figure 10 is the process flow diagram that the bridge joint inspection area of the insertion components and parts in the embodiments of the present invention 2 is judged.
Figure 11 is the process flow diagram that the bridge joint inspection area of the Surface Mount Component, in the embodiments of the present invention 3 is judged.
Figure 12 is the process flow diagram that the bridge joint inspection area of the insertion components and parts in the embodiments of the present invention 3 is judged.
Figure 13 is the figure of image that shows for example the position of the bridge joint inspection area shown in the embodiments of the present invention 3.
Embodiment
Below, the designation data generation method of welding inspection of the present invention being used based on embodiment describes.In addition, in the following description, to the identical identical label of structure mark, and suitably description thereof is omitted.In addition, in the following description, describe as an example of the situation of welding inspection example, and the present invention is not limited to welding, as long as satisfy condition, just can be used for the inspection that the joint that uses any electric conductivity engagement member is carried out.Welding inspection refers to the inspection judged of quality to welding.
(embodiment 1)
Fig. 1 is the process flow diagram of the designation data generation method used of the welding inspection in the embodiments of the present invention 1.The designation data that welding inspection is used is an example of the first designation data.The first designation data is made of the second～the 4th designation data described later.
Utilization is carried out various processing described later by the program of computer starting, realizes thus the flow process shown in Fig. 1.Particularly, utilize the people to carry out various processing based on the specified design data of interactive picture, threshold value by the program of computer starting.
One of the designation data generation method of present embodiment 1 is characterised in that and does not use the components and parts storehouse, and uses the design data of substrate.And, in the designation data generation method of present embodiment 1, utilize the position relationship that design data obtains, each is regional and shape based on substrate to decide designation data, and come thus automatically to generate the first designation data of having determined inspection area.In the present embodiment 1, use Gerber data (Gerber Data) to be used as an example of the design data of substrate.Here, the Gerber data have the data of each design level of substrate.In addition, in the following description, as an example of the design data of substrate, the situation of using the Gerber data is described, but be not limited to this.For example, in order to generate hole (hole) data, also can use the NC borehole data to be used as design data.
Here, the reason that needs the components and parts storehouse in existing structure is described.In existing structure, if there is not the components and parts storehouse, then there is not the information of the interior inspection desired position of substrate, shape, the scope of examination.Therefore, in existing structure, will be from the components and parts installation site to the shape that checks length till the position, inspection area and checking that the scope of examination that implement the position is associated with the components and parts model, and login in advance as the components and parts storehouse.And the actual measurement size by the reference substrate, design data etc. are also utilized listed components and parts storehouse, thereby generate the first designation data.
Relative therewith, in present embodiment 1, as hereinafter describing in detail, only use design data, and generate the first designation data by position relationship and the shape that obtains based on design data, each is regional.
The designation data generation method of present embodiment 1 is described with the process flow diagram of Fig. 1～5.
In the step S1 of Fig. 1, read the Gerber data in each zone that consists of substrate, these Gerber data are examples that become the design data of the substrate that checks object.At this moment, in present embodiment 1, read the zone and be at least the terminal pad zone, stop (resist) zone, bore region.Observe computer picture and specify the Gerber data to carry out the read operation of Gerber data by the people.The Gerber data have obtained popularizing widely in the Substrate manufacture industry, are entirely to show the data layout of making the required information of substrate with the numerical value form.In present embodiment 1, the Gerber data have data, the data of barrier zones and the data of bore region in the terminal pad zone of the position that can form the terminal pad on the substrate and shape information at least.
Then, in step S2, generate the second designation data.The second designation data is an example of the designation data of terminal pad inspection usefulness.Here, the terminal pad inspection is that scolder is not being become on the terminal pad that checks object invasion so that terminal pad exposes the inspection that the defective products terminal pad of (peeling off) carries out.That is, the terminal pad inspection is the inspection of judging whether terminal pad exposes.The second designation data can be generated by the terminal pad area data that comprises in the Gerber data that read among the step S1.
Generation method to the second designation data is specifically described.At first, on substrate, set the terminal pad that becomes the inspection object based on predefined terminal pad threshold value.As the terminal pad threshold value of the terminal pad that be used for to set checks object, can use the minor face of bounding rectangle of terminal pad and the length on long limit, the area of terminal pad, major semi-axis, minor semi-axis or their combination of terminal pad.By the terminal pad in this terminal pad threshold value and the substrate being compared to set the terminal pad that becomes the inspection object.For example, in becoming the terminal pad of welding object, basically do not have the terminal pad of the minor face less than 500 μ m of bounding rectangle, the minor face of therefore setting bounding rectangle is that 500 μ m are used as the terminal pad threshold value.Usually, the terminal pad that need not to weld is mostly little than the terminal pad that need to weld, therefore, and can be by the terminal pad more than the terminal pad threshold value be set the terminal pad that checks object as the inspection object.Thus, generate the second designation data of having determined for the terminal pad inspection area that carries out the terminal pad inspection by setting the terminal pad that checks object.
Then, in step S3, generate the 3rd designation data.Here, the 3rd designation data is the example that the hole checks the designation data of usefulness.The hole checks it is the inspection that the hole (hole) that is inserted with the insertion component's feet is not undertaken by the bad hole that scolder fills up, the hole is in open state.The 3rd designation data can be generated by the bore region data in the Gerber data that read among the step S1 and terminal pad area data.
Utilize the concrete processing of Fig. 2 description of step S3.Generation according to the 3rd designation data of step S3-1, the S3-2 of Fig. 2, the such implementation step S3 of S3-3.
At first, in step S3-1, from Gerber extracting data bore region data and terminal pad area data.
Then, in step S3-2, determine to check object, be the hole inspection area, and generate the 3rd designation data.
Specify checking the determining of object, i.e. determining the hole inspection area.
At first, in the hole, extract the hole that will from the inspection area of hole, get rid of.Become on the substrate that checks object, do not have terminal pad around having and after the welding through hole still check hole beyond the object in the hole of opening.As this hole, air hole is for example arranged.Air hole can come to determine by the following method, that is, the bounding rectangle that portals as benchmark, screening take the bounding rectangle that is judged as the terminal pad that checks object in step S2 is not included in the hole in the bounding rectangle of any one this terminal pad.In the present embodiment 1, need not that the hole is implemented in the hole that is extracted out as air hole and check, from the inspection area of hole, get rid of.In addition, even there is terminal pad on every side, also exist to be called as the hole that connects through hole and need not to weld.Usually, connect through hole mostly than the Kong Yaoxiao that need to weld.Therefore, by set and relatively the diameter in hole threshold value, be that the hole threshold value is got rid of the perforation through hole from the inspection area of hole.For the hole threshold value, by the people by computing machine and utilize keyboard, touch-screen etc. manually to input.For example, the hole threshold value is made as 300 μ m, and the hole of not enough this hole threshold value is considered as connecting through hole, thereby it is got rid of from the inspection area of hole.
Thus, can get rid of, determine the hole inspection area by checking the hole beyond the object, generate the 3rd designation data.
Then, among the step 53-3, in the terminal pad inspection area, the terminal pad inspection area and the inner terminal pad inspection area that does not comprise the hole inspection area that inside are included the hole inspection area are identified.In present embodiment 1, the terminal pad inspection area that comprises the hole inspection area is the part of implementing welding to inserting components and parts, is to insert the terminal pad inspection area that components and parts are used.In addition, the terminal pad inspection area that does not comprise the hole inspection area is that effects on surface mounts the part that components and parts weld, and is the terminal pad inspection area that Surface Mount Component, is used.Whether comprising the bounding rectangle that whether includes the hole that extracts among the step S3-2 in step S3-1 in the bounding rectangle of hole inspection area according to the terminal pad that becomes terminal pad inspection object that extracts in the terminal pad inspection area judges.
Here, the welding method of substrate relates to multiple.For example, exist effects on surface to mount components and parts and carry out reflow soldering, carry out the situation of wave soldering (flow soldering) to inserting components and parts.For this situation, by the inspection step after the reflow soldering, the terminal pad inspection that Surface Mount Component, is used has obtained quality guarantee mostly.Therefore, exist to wish wave soldering after, only to implement to insert the demand of the terminal pad inspection that components and parts use.When having this demand, if as mentioned above, prior effects on surface mounts the terminal pad inspection that components and parts are used and the insertion components and parts are used and identifies, the terminal pad that comprises the hole inspection area in the terminal pad inspection area is used as inserting components and parts, in addition the terminal pad that terminal pad is used as Surface Mount Component,, thereby only generate and insert the first designation data that components and parts are used, in this case, can generate the first designation data that inspection item is less, efficient is good.
Then, in step S4, generate the 4th designation data according to the position relationship of terminal pad area data and bore region data.The 4th designation data is the designation data of bridge joint inspection usefulness.Fig. 3 is the overview that generates the process flow diagram of the 4th designation data.
In case the bridge joint inspection is the inspection that the unfavorable condition that the part that short circuit will have problems is short-circuited owing to scolder is carried out.In case the part that short circuit will have problems for example is to insert between the pin of components and parts or between the electrode of Surface Mount Component, or its both.In addition, thus owing to the scolder part that produces unfavorable condition that is short-circuited is bridge joint.In this inspection, in case need to set inspection area in the part that short circuit will have problems.Therefore, in present embodiment 1, generate the 4th designation data, come thus to determine to implement the position that bridge joint checks.
In the flow process of this Fig. 3 first half, generate the 4th designation data of inserting components and parts.Insert the details processed in the situation of components and parts shown in the step S4-1 of Fig. 4～step S4-5.In addition, in the flow process of Fig. 3 latter half, generate the bridge joint inspection designation data of Surface Mount Component.The details of processing in the situation of Surface Mount Component, is shown in the step 54-6 of Fig. 5～step 54-11.
At first, in step S4-1, manually set first threshold by the people by computer picture.First threshold is to insert the example of threshold value of the bridge joint generation distance of components and parts.Particularly, for example, for only between the center of gravity of the bounding rectangle in the hole that is inserted with the pin that inserts components and parts distance in the situation that below the 5mm, be considered as bridge joint may occur, first threshold is made as 5mm.
Then, in step S4-2, select a hole inspection area.The system of selection of hole inspection area can be arbitrarily, for example, can consider to select on the substrate from method of the nearest hole inspection area of origin position etc.
Then, in step 54-3, to all terminal pad inspection areas and the hole inspection area in the substrate, the distance of judging it leaves the hole inspection area of selecting in step S4-2 barycentric coordinates and extracts terminal pad inspection area and the hole inspection area of barycentric coordinates in scope whether in the scope of first threshold.
Then, in step 54-4, for 2 line segment of the inspection area inside that extracts among the Connection Step 54-3, in the zone of the perpendicular bisector that comprises this line segment, set the zone carry out the bridge joint inspection, be the bridge joint inspection area.Here, be used for the some centre of gravity place of inspection area normally of the inspection area inside of connecting line segment, but also can as required, adopt the barycentric coordinates of the bounding rectangle of inspection area, the point nearest with inspection area.
Then, in step S4-5, extract successively the hole inspection area that in step S4-2, is not selected, and the respectively processing of implementation step 54-3～step 54-4.Thus, by being set the bridge joint inspection area, all hole inspection areas set the bridge joint inspection area that inserts components and parts.
Then, carry out the generation of the 4th designation data of Surface Mount Component.At first, in step 54-6, manually set Second Threshold by the people by computer picture.Here, Second Threshold is the example of threshold value of the bridge joint generation distance of Surface Mount Component.
In step S4-7～step S4-10, effects on surface mounts the processing that the corresponding terminal pad inspection area of components and parts is implemented with step S4-2～step S4-4 is identical.In addition, as mentioned above, till step S4-5, generated the bridge joint inspection area that inserts components and parts.
At first, in step S4-7, select a terminal pad inspection area that does not contain the hole inspection area of selecting among the S4-2 in steps.
Then, in step 54-8, whether the distance of the barycentric coordinates of leaving the terminal pad inspection area of selecting among the step 54-7 is judged in the scope of Second Threshold, and extracted the terminal pad inspection area of barycentric coordinates in scope.
Then, in step S4-9, the perpendicular bisector of 2 line segment of the inspection area that extracts in comprising Connection Step S4-8 is set the zone carry out the bridge joint inspection, is the bridge joint inspection area in interior zone.
Then, in step S4-10, extract successively the terminal pad inspection area of in step S4-7, not selecting, and the respectively processing of implementation step 54-8～step 54-9.Thus, by all terminal pad inspection area is set the bridge joint inspection area, thereby set the bridge joint inspection area of Surface Mount Component.
At last, in step S4-11, the size of the benchmark angle angulation of the perpendicular bisector that calculates among calculation procedure S4-4 and the step S4-9 and substrate.Usually, known in wave soldering technique, the direction of transfer of substrate produces considerable influence with the orientation meeting of the pin that inserts components and parts to the bad incidence of bridge joint.Therefore, in present embodiment 1, according to the angle of the perpendicular bisector of 2 the line segment that connects inspection area, come to distribute appropriate decision content etc. to check parameter to the bridge joint inspection area.Thus, allocating the inspection parameter in advance plays a role when testing fixture moves.
Configuration on the substrate of the first designation data that generates is described in the present embodiment 1 with Fig. 6.
Fig. 6 (a) is the figure that expression checks the substrate layout of object substrate 100.Fig. 6 (b) is the schematic diagram that utilizes the designation data 200 that the designation data generation method of present embodiment 1 generates.As mentioned above, do not use the components and parts storehouse, and only generate the designation data 200 of Fig. 6 (b) based on the design data of substrate.As design data, use Gerber data (Gerber Data).
101 of Fig. 6 (a) becomes the terminal pad that is used for inserting components and parts that checks object.Step S3-3 by Fig. 2 behind the step S2 that carries out Fig. 1 identifies the insertion components and parts, generates accordingly the second designation data 201 that the insertion components and parts shown in Fig. 6 (b) are used according to the Gerber data and with terminal pad 101 that the insertion components and parts shown in Fig. 6 (a) are used thus.
102 of Fig. 6 (a) becomes the hole that checks object.The processing of step S3-1 by carrying out Fig. 2～step S3-2, thus the 3rd designation data 202 generated accordingly according to the Gerber data and with this hole 102.
103 of Fig. 6 (a) becomes the terminal pad that the Surface Mount Component, that checks object is used.Come identified surface to mount components and parts by the step S3-3 that after the step S2 that carries out Fig. 1, utilizes Fig. 2, thereby generate accordingly the second designation data 203 that Surface Mount Component, is used according to the Gerber data and with terminal pad 103 that this Surface Mount Component, is used.
104 of Fig. 6 (a) is examples of air hole.In the present embodiment 1, the processing of the step S3-2 by Fig. 2 forecloses it, therefore can not generate the designation data corresponding with this air hole 104.
105 of Fig. 6 (a) is examples that connect through hole.In the present embodiment 1, the processing that the step 53 by Fig. 2 goes out forecloses it, therefore can not generate the designation data corresponding with this perforation through hole 105.
Here, in the zone 10 of Fig. 6 (a), for the distance below the first threshold among the step 54-1 of Fig. 4, on directions X and Y-direction, all exist and insert the inspection area that components and parts are used.Therefore, the zone in the step S4-4 of Fig. 4, is asked about in X side and all to be generated the 4th designation data 204 that the insertion components and parts are used on the Y-direction 10 as Fig. 6 (b) shown in.
In addition, in the zone 11 of Fig. 6 (a), for the distance below the Second Threshold among the step S4-6 of Fig. 4, the inspection area that only exists Surface Mount Component, to use in Y-direction.Therefore, zone 11 in the step 54-9 of Fig. 5, only generates the 4th designation data 205 that Surface Mount Component, is used in the direction vertical with Y-direction shown in Fig. 6 (b).
Thus, for the processing of present embodiment 1, in the generation of the first designation data (the second～the 4th designation data), need not in the past necessary components and parts storehouse.That is, the processing of present embodiment 1 can be determined inspection area according to the terminal pad of the design data of substrate and position, the size in hole, therefore can easily generate the first designation data.Therefore, the processing of present embodiment 1 especially has a larger effect in the situation that the new component model is more.
(embodiment 2)
For embodiments of the present invention 2, in the first designation data that in above-mentioned embodiment 1, generates, further judge whether the quantity of bridge joint inspection area is suitable, can set in place the bridge joint inspection area thus.
The below illustrates the bridge joint inspection area method of inspection of the bridge joint inspection area of suitable that judge, present embodiment 2 whether with Fig. 9, Figure 10.
Fig. 9 is that effects on surface mounts the process flow diagram that components and parts carry out the judgement of bridge joint inspection area in the embodiments of the present invention 2, and Figure 10 carries out the process flow diagram that the bridge joint inspection area is judged to inserting components and parts in the embodiments of the present invention 2.
For the designation data generation method in the present embodiment 2, in the first designation data that in above-mentioned embodiment 1, generates, judge whether the quantity of bridge joint inspection area is suitable, determine whether thus and set rightly the bridge joint inspection area.
At first, identical with above-mentioned embodiment 1, set bridge joint inspection area based on the hole inspection area (S4-1 of Fig. 9～54-5), and the number of bridge joint inspection area counted (S4-12 of Fig. 9).Then, the number of bridge joint inspection area is judged (S4-13 of Fig. 9).About step S4-13, particularly, try to achieve the quantity of hole inspection area, thereby the quantity of bridge joint inspection area and the quantity of hole inspection area are compared.And,, when the quantity of hole inspection area is following, is judged as the reasonable quantity of bridge joint inspection area, thereby generates the first designation data according to this bridge joint inspection area in the quantity of bridge joint inspection area.In addition, in the quantity of bridge joint inspection area during more than the quantity of hole inspection area, the quantity that is judged as the bridge joint inspection area is inappropriate, thus reduce inspection area distance between two points threshold value and reset the bridge joint inspection area, and carry out as described above the judgement of bridge joint inspection area quantity.
In the situation of the decision condition that does not satisfy step 54-13, imposing a condition of bridge joint inspection area changed (S4-14 of Fig. 9), and repeat S4-1～S4-5, the S4-12 of Fig. 9, the step of S4-13, S4-14, until satisfy decision condition.In the situation of the decision condition that satisfies step S4-13, identical with above-mentioned embodiment 1, setting is based on the bridge joint inspection area of the terminal pad inspection area (S4-6 of Figure 10～S4-10), and the number of bridge joint inspection area counted (S4-18 of Figure 10).Then, the number of bridge joint inspection area is judged (S4-19 of Figure 10).About step S4-19, particularly, try to achieve the quantity of terminal pad inspection area, thereby the quantity of bridge joint inspection area and the quantity of terminal pad inspection area are compared.And,, when the quantity of terminal pad inspection area is following, is judged as the reasonable quantity of bridge joint inspection area, thereby generates the first designation data according to this bridge joint inspection area in the quantity of bridge joint inspection area.In addition, in the quantity of bridge joint inspection area during more than the quantity of terminal pad inspection area, the quantity that is judged as the bridge joint inspection area is inappropriate, thereby reduce inspection area distance between two points threshold value and reset the bridge joint inspection area, and carry out as described above the judgement of bridge joint inspection area quantity.
In the situation of the decision condition that does not satisfy step S4-19, change impose a condition (S4-20 of Figure 10) of bridge joint inspection area, and repeat S4-6～S4-1O, the S4-18 of Figure 10, the step of S4-19, S4-20, until satisfy decision condition.And, with predetermined distance or arbitrarily distance dwindle discontinuously the threshold value of distance between two points and repeatedly judge, until that the quantity of bridge joint inspection area becomes the quantity of hole inspection area is following.
The bridge joint inspection area is set between adjacent terminal pad inspection area or hole inspection area 2, in the situation that take an inspection area as benchmark, if between itself and hithermost inspection area, the bridge joint inspection area is set, even other inspection area is then for example arranged in threshold distance, also need not it is made as the inspection object in a lot of situations.In addition, even each inspection area is arranged a bridge joint inspection area, the quantity maximum of bridge joint inspection area is the quantity of terminal pad or hole inspection area namely.Therefore, in the situation of quantity more than the quantity of terminal pad or hole inspection area of bridge joint inspection area, the quantity that is judged as the bridge joint inspection area is inappropriate.And, can whether suitably judge by the quantity to the bridge joint inspection area, thereby whether the setting of judging the bridge joint inspection area is suitable.
In addition, as determinating reference, only also can use the number of asking the bridge joint inspection area when setting the bridge joint inspection area between the adjacent inspection area at level and Vertical Square, to replace the quantity of terminal pad or hole inspection area.For example, ask the situation that is arranged in lattice-shaped at level, Vertical Square for the imagination inspection area, if establish the Ni that adds up to of terminal pad or hole inspection area, then in being arranged in the inspection area of lattice-shaped, the quantity between inspection area adjacent on level and the vertical direction is
2(Ni-Ni
1/2)。
Therefore, be N1 if establish the number of bridge joint inspection area, then the quantity N1 of bridge joint inspection area is
N1≤2(Ni-Ni
1/2)
In this case, be judged as the reasonable quantity of bridge joint inspection area, and generate the first designation data according to this bridge joint inspection area.In addition, if the quantity Nl of bridge joint inspection area be
N1＞2(Ni-Ni
1/2)
Then in this case, be judged as the quantity N1 of bridge joint inspection area inappropriate.For being judged as inappropriate situation, dwindling the threshold value of the distance between two points of inspection area, and carry out as described above the judgement of the quantity N1 of bridge joint inspection area.And, satisfy at the quantity N1 of bridge joint inspection area
N1≤2(Ni-Ni
1/2)
Before, the threshold value of dwindling discontinuously distance between two points with predetermined distance or any distance, and repeatedly judge.
Thus, in the situation that the imagination inspection area is aligned to lattice-shaped, can will on level and vertical direction, the quantity of adjacent inspection area be made as the upper limit, come bridge joint inspection area quantity is judged.Here, if set and only ask the object that has the bridge joint inspection area between the adjacent inspection area in level and Vertical Square, then can imagine, also want short interval even be compared to the distance of threshold value, also need not and between the inspection area on the tilted direction, to set the bridge joint inspection area for.Therefore, in present embodiment 2, only between inspection area adjacent on level and the vertical direction, set the object of bridge joint inspection area.Thus, can will from the bridge joint inspection area, get rid of between the inspection area of tilted direction.
As mentioned above, in present embodiment 2, stipulate the maximal value of bridge joint inspection area quantity, and quantity and this maximal value of bridge joint inspection area compared, thereby whether the quantity of bridge joint inspection area is suitably judged.Thus, can pass through eliminating such as the bridge joint inspection area between the inspection area on the tilted direction etc., thereby set suitable bridge joint inspection area.Therefore, can be by suppressing overset bridge joint inspection area, thus easier and generate at high speed the first designation data.
(embodiment 3)
Embodiment of the present invention 3 is characterised in that, during the setting of the bridge joint inspection area in carrying out above-mentioned embodiment 1 or embodiment 2, when check changes in the threshold value of the distance between two points that makes terminal pad inspection area or hole inspection area, how quantity or the position of bridge joint inspection area to change.In the present embodiment 3, when show changing threshold value, how quantity or the position of bridge joint inspection area to change, and manually selects the quantity of bridge joint inspection area, position thereby can be used in assisted user.
Designation data generation method in the present embodiment 3 is characterised in that, if change the threshold value of the distance between two points of terminal pad inspection area or hole inspection area when in above-mentioned embodiment 1 or embodiment 2, setting the bridge joint inspection area, then how the quantity of bridge joint inspection area is changed and test and with its demonstration.And affirmation will manually be inputted how changing the user who shows, selects thus the quantity of bridge joint inspection area.
Below, with Figure 11,12 this flow process is described.In addition, the change of in the present embodiment 3 threshold value of distance between two points being carried out can be any one in the subsequent step of the subsequent step of above-mentioned embodiment 1 and above-mentioned embodiment 2.Yet in the following description, main as above-mentioned embodiment 2, with after judging that according to the number of bridge joint inspection area the bridge joint inspection area is whether suitable, the situation of the threshold value of change distance between two points is that example describes.
Figure 11 is that effects on surface mounts the process flow diagram that components and parts carry out the judgement of bridge joint inspection area in the embodiments of the present invention 3, and Figure 12 carries out the process flow diagram that the bridge joint inspection area is judged to inserting components and parts in the embodiment of the present invention 3.
At first, identical with above-mentioned embodiment 1, set respectively the bridge joint inspection area (S4-5 of Figure 11, the S4-10 of Figure 12) based on hole inspection area and terminal pad inspection area, and the number of separately bridge joint inspection area counted (S4-12 of Figure 11, the S4-18 of Figure 12).Then, the number of each bridge joint inspection area is judged (S4-13 of Figure 11, the S4-19 of Figure 12).In the situation that do not satisfy decision condition, imposing a condition of bridge joint inspection area changed (S4-14 of Figure 11, the S4-20 of Figure 12), and S4-1～S4-5, the S4-12, S4-13, the S4-14 that repeat the figure door are (perhaps, S4-6～S4-1O of Figure 12, S4-18, S4-19, S4-20) step, until satisfy decision condition.
In the situation that satisfy decision condition, be good threshold value for result of determination, before and after it, increase and decrease at a certain distance, thereby set a plurality of threshold values, and set bridge joint inspection area (S4-15 of Figure 11, the S4-21 of Figure 12) with the step of S4-6～S4-10 of these a plurality of threshold values and the S4-1～S4-5 by Figure 11 or Figure 12.
Then, with being shown to, the tabulation corresponding with the number of a plurality of bridge joint inspection areas that set of a plurality of threshold values confirm on the picture (S4-16 of Fig. 1 l, the S4-22 of Figure 12).Here, confirm that picture is the computing machine of carrying out the processing of designation data generation method of the present invention, the display picture of miscellaneous equipment.
In the present embodiment 3, by as above such display list, thereby can manually select optimal threshold with reference to tabulation by assisted user.And, read the user and assist and threshold value and the bridge joint inspection area (S4-17 of Figure 11, the S4-23 of Figure 12) of input based on these.Here, the structure of the tabulation of demonstration is arbitrarily.As the displaying contents of tabulation, as long as can identify the relation of threshold value and bridge joint inspection area number, and can select the bridge joint inspection area relevant with the number of a threshold value and bridge joint inspection area to get final product.
As implied above, show the result of a plurality of threshold values by the form with tabulation, thereby can select threshold value and bridge joint inspection area by assisted user.
At this moment, on the basis that tabulation shows, show that in confirming picture the position of the bridge joint inspection area corresponding with threshold value also is effective.
For example, in the S4-22 of the S4-16 of Figure 11 or Figure 12, on the basis of tabulation, generate expression to the view data position, corresponding with substrate of the bridge joint inspection area of each Threshold.And, the image that represents the position of this bridge joint inspection area is shown on the affirmation picture.Can confirm this image by making the user, and manually select and input it and think the corresponding bridge joint inspection area in position of only bridge joint inspection area, thereby user's selection is assisted.
The image that represents bridge joint inspection area position is described with Figure 13.
Figure 13 is the figure that shows for example the image of the bridge joint inspection area position in the embodiments of the present invention 3.
As shown in figure 13, in the present embodiment 3, confirm to show dialog box 13 in the picture 12, this dialog box 13 includes the tabulation 14 of a plurality of threshold values of above-mentioned expression.In confirming picture 12, except this dialog box 13, also to show the position 19 of bridge joint inspection area with the equitant mode of substrate image.For confirming, show at least the number 17 of a plurality of threshold values 15 and the bridge joint inspection area corresponding with each threshold value 15 in the tabulation 14.In addition, also show the note on the use 16 that the image of expression each threshold value corresponding bridge joint inspection area shows in which way.In the example of the tabulation 14 of Figure 13, as threshold value 15, show these five of T, T-Δ, T-2 Δ, T+ Δ, T+2 Δ, and as the number 17 of corresponding bridge joint inspection area with it respectively, show 0,0,17,17,25.Here, will be in the S4-1 of Figure 11 or S4-13 employed threshold value or in the S4-6 of Figure 12 or S4-19 employed threshold value be made as T, come gradually threshold value T to be increased and decreased with predetermined distance Δ, 2 Δs, and the threshold value 15 that obtains thus illustrated.But the variable value of the number of threshold value 15, threshold value 15 etc. can Set arbitrarily.In addition, be provided with the button 18 of " all show/select and show " in the dialog box 13.By using the button 18 of " all show/select and show ", can in confirming picture 12, switch, showing the position 19 of the bridge joint inspection area that all are corresponding with each threshold value 15, or only show the position 19 of the bridge joint inspection area corresponding with selected threshold value 15.Under the state of " all show ", utilize the mode shown in the note on the use 16 to distinguish, thereby show the position 19 of the bridge joint inspection area that all are corresponding with each threshold value 15.In " selecting to show ", be presented at the position 19 of the threshold value 15 corresponding bridge joint inspection areas of selecting in the dialog box 13.In addition, the position 19 of the bridge joint inspection area that the state with " all show " or " selecting to show " is shown by the user is confirmed, select 14 it to think the position 19 of only bridge joint inspection area and the threshold value 15 of correspondence with it from tabulating, and under this state, click the button 20 that is located at the setting threshold in the dialog box 13, can determine the bridge joint inspection area thus.After this, generate the first designation data that reflects the bridge joint inspection area that determines.
As mentioned above, a plurality of threshold values 15 are set the position 19 of bridge joint inspection area and demonstration in confirming picture 12, the user confirms the position 19 of concrete bridge joint inspection area and selects, and can easily and at high speed generate the first designation data by assisted user thus.
In addition, in embodiment 2～embodiment 3, whole substrate is carried out the judgement of bridge joint inspection area quantity or the selection of threshold value, but also can only carry out the judgement of bridge joint inspection area quantity or the selection of threshold value to the arbitrary region in the substrate.Thus, by a part of zone being carried out the judgement of bridge joint inspection area quantity or the selection of threshold value, thereby can carry out more efficiently the setting of best bridge joint inspection area.
For the selection in zone, the method that the method manually selected by the user is for example arranged, automatically select based on the design data of substrate.In the method for automatically selecting, the higher zone of the density of terminal pad inspection area or hole inspection area, the zone etc. that comprises the larger terminal pad of area are selected, and the bridge joint inspection area is carried out the judgement of quantity or the selection of threshold value.For example, carry out as follows the selected of the higher zone of density.Select any one terminal pad inspection area or hole inspection area, and imagine by selected terminal pad inspection area or the circle of the predetermined radius centered by the inspection area of hole, thereby measure being positioned at the inner terminal pad inspection area of this circle or the density of hole inspection area.When density is higher than predefined regulation density, increase discontinuously radius of a circle, be higher than the most at last the circle of regulation density as subject area.All terminal pad inspection areas or hole inspection area are carried out this step, and all subject area are carried out the judgement of quantity or the selection of threshold value.
By as mentioned above the zone being selected and being carried out the judgement of bridge joint inspection area quantity or the selection of threshold value, can easily carry out the more suitably setting of bridge joint inspection area.
In addition, in the welding inspection method of the present invention, after welding, various welding inspections are carried out in the determined inspection of the first designation data position that generates as described above.
Claims (15)
1. the generation method of the designation data used of a welding inspection, only use the design data of substrate, the position of determining to carry out welding inspection based on the position relationship of the terminal pad zone of described design data and/or bore region, and at determined set positions inspection area, generate thus designation data.
2. the generation method of the designation data used of welding inspection as claimed in claim 1 is characterized in that,
The design data of described substrate is the Gerber data.
3. the generation method of the designation data used of welding inspection as claimed in claim 1 or 2 is characterized in that,
Position relationship based on the terminal pad zone of the design data of described substrate is determined to carry out the position that terminal pad checks, whether this terminal pad inspection exposes terminal pad checks, and by generating designation data at determined set positions terminal pad inspection area.
4. the generation method of the designation data used of welding inspection as claimed in claim 3 is characterized in that,
By thereby the terminal pad that is shaped as more than the predefined terminal pad threshold value is screened the position of determining to carry out described terminal pad inspection.
5. the generation method of the designation data used of welding inspection as claimed in claim 1 or 2 is characterized in that,
Based on the position relationship of the terminal pad zone of the design data of described substrate and bore region, determine to carry out the position that the hole checks, whether this hole inspection is filled the hole that is inserted with the insertion component's feet checks, and by generating designation data at determined set positions hole inspection area.
6. the generation method of the designation data used of welding inspection as claimed in claim 5 is characterized in that,
Screen to determine to carry out the position that described hole checks by the hole that hole itself is included in any one terminal pad.
7. the generation method of the designation data used of welding inspection as claimed in claim 1 or 2 is characterized in that,
Based on the terminal pad zone of the design data of described substrate and the position relationship of bore region, the position of determining to carry out the bridge joint inspection, this bridge joint inspection checks the short circuit that scolder causes, and by generating designation data at determined set positions bridge joint inspection area.
8. the generation method of the designation data used of welding inspection as claimed in claim 7 is characterized in that,
For the position that will carry out described bridge joint inspection,
Extract the hole of diameter more than the threshold value of hole from described bore region, and determine to carry out the position that the hole checks, whether this hole inspection is filled the hole that is inserted with the insertion component's feet checks, and at determined set positions hole inspection area,
And, determine to carry out the position that terminal pad checks based on the position relationship in described terminal pad zone, whether this terminal pad inspection exposes described terminal pad checks, and by at determined set positions terminal pad inspection area, thereby generate the designation data that the terminal pad inspection area that includes described hole inspection area and the terminal pad inspection area that do not comprise described hole inspection area are identified.
9. the generation method of the designation data used of welding inspection as claimed in claim 8 is characterized in that,
In comprising 2 the line segment that connects described terminal pad inspection area or described hole inspection area, distance between two points less than the perpendicular bisector of the line segment of predetermined distance in interior zone, set described bridge joint inspection area.
10. the generation method of the designation data used of welding inspection as claimed in claim 9 is characterized in that,
Be made as N1, the sum of described hole inspection area be made as in the situation of Ni in the number with described bridge joint inspection area,
When satisfying N1≤2 (Ni-Ni
1/2) time, set N1 described bridge joint inspection area;
When satisfying N1＞2 (Ni-Ni
1/2) time, dwindle discontinuously described predetermined distance, until satisfy N1≤2 (Ni-Ni
1/2) till.
11. the generation method of the designation data that welding inspection as claimed in claim 9 is used is characterized in that,
A plurality of distances are set as described predetermined distance, and after the tabulation that shows the described a plurality of distances of expression and the relation of described bridge joint inspection area,
Generation is set with the designation data of the described bridge joint inspection area of selected distance.
12. the generation method of the designation data that welding inspection as claimed in claim 9 is used is characterized in that,
A plurality of distances are set as described predetermined distance, and after the figure in the described a plurality of distances of described substrate expression and the relation of described bridge joint inspection area shown,
Generation is set with the designation data of the described bridge joint inspection area of selected distance.
13. the generation method of the designation data that welding inspection as claimed in claim 10 is used is characterized in that,
Only to the zone of density more than regulation density of described hole inspection area carry out described bridge joint inspection area number N1 relatively or the setting of described a plurality of distances.
14. the generation method of the designation data that welding inspection as claimed in claim 1 or 2 is used is characterized in that,
The design data of described substrate is the NC borehole data.
15. a welding inspection method is characterized in that,
Use the designation data that the generation method of the designation data of being used by claim 1 or 2 described welding inspections generates, the welding inspection of carrying out described substrate.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-085072 | 2012-04-04 | ||
| JP2012085072 | 2012-04-04 | ||
| JP2013-026148 | 2013-02-14 | ||
| JP2013026148A JP2013232625A (en) | 2012-04-04 | 2013-02-14 | Creation method of instruction data for solder inspection and solder inspection method |
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| CN103366036A true CN103366036A (en) | 2013-10-23 |
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| CN 201310095821 Pending CN103366036A (en) | 2012-04-04 | 2013-03-22 | Method for generating demonstration data used for welding inspection, and method for welding inspection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796820A (en) * | 2017-09-30 | 2018-03-13 | 广州兴森快捷电路科技有限公司 | The method and device of automatic detection pad |
| CN112334762A (en) * | 2018-07-13 | 2021-02-05 | 株式会社富士 | Foreign matter detection method and electronic component mounting apparatus |
-
2013
- 2013-03-22 CN CN 201310095821 patent/CN103366036A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796820A (en) * | 2017-09-30 | 2018-03-13 | 广州兴森快捷电路科技有限公司 | The method and device of automatic detection pad |
| CN112334762A (en) * | 2018-07-13 | 2021-02-05 | 株式会社富士 | Foreign matter detection method and electronic component mounting apparatus |
| CN112334762B (en) * | 2018-07-13 | 2024-01-12 | 株式会社富士 | Foreign matter detection method and electronic component mounting device |
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Application publication date: 20131023 |