JP2606173B2 - Disconnection inspection repair device and disconnection repair method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disconnection inspection and repair apparatus and a disconnection repair method, and more particularly to a disconnection inspection and repair apparatus and a disconnection repair method for a wiring conductor of a printed wiring board.

[0002]

2. Description of the Related Art FIG. 6 shows a block diagram of a conventional automatic optical inspection machine and a defect confirmation machine. Conventional automatic optical inspection machine 6
Reference numeral 10 denotes a CCD camera 611 for reading circuit information from the printed wiring board 601 to be inspected, a binarization processing unit 612 for binarizing the read information, and a circuit for converting the binarized circuit information to a circuit. The defect is determined by comparing the detected data with the characteristic extraction method processing unit 613 that is determined by the characteristic extraction method that determines from the finished state, and the singularity information registered in advance in the inspection machine for the printed wiring board. A comparison method processing unit 614 for detecting, and an inspection device processing unit 6 for outputting defect information detected by both detection methods as defect data from the automatic optical inspection device 610 to the defect confirmation device 620.
15.

[0003] The defect checking machine 620 is an automatic optical inspection machine 6
The defect confirmation data processing unit 621 that receives the defect data from the control unit 10 and controls the confirmation table 622 to output the image of the defective part to the CRT 623, and the defect of the printed wiring board 601 mounted based on the information from the defect confirmation data processing unit 621. It has a confirmation table 622 for moving the part to a predetermined position, and a defect confirmation CRT 623 for displaying an image of the defective part. The image displayed on the CRT 623 makes a defect judgment based on the defect, and the operator marks the defective part. 604.

FIG. 7A is a front view showing a defect repair process, FIG. 7B is a top view of a defective portion, and FIG. 7C is a side view of the defective portion. In the repair work, after the visual inspection or the automatic optical inspection is completed, the printed wiring board 601 is sent to the repair process together with the data of the detected circuit defect (disconnection, defect) portion 603, and the worker 701 is enlarged as shown in FIG. Mirror 702
The position of the broken portion 603 marked with the mark 604 is confirmed while looking into the screen. Thereafter, a wire 705 for repair suitable for the part to be repaired is selected, and the wire 705 is applied to the disconnected part 603 with tweezers 706 while looking through the magnifying glass 702, and the wire conductor 703 a of the disconnection repair machine 703 is used for the wiring conductor 6.
02 is repaired by welding to both ends.

[0005]

In the prior art, inspection of a defective portion is automated, but the marking of the defective portion and the repair of the disconnection are performed manually. This causes a problem that peeling of the repaired part occurs in a subsequent process.

[0006] For this reason, the repair work requires repair by a skilled worker, and the number of workers is inevitably limited. For this reason, if the worker who can perform the repair work is absent due to a vacation or the like, the repair work cannot be performed, resulting in stagnation of the product requiring repair.

In addition, the inspection process and the repair process are separate processes, and there is a possibility that a defect occurs due to product handling when the product is moved.

SUMMARY OF THE INVENTION An object of the present invention is to overcome the above-mentioned drawbacks, to make the inspection and repair process of the disconnection of the wiring conductor of the printed wiring board continuous, and to automatically perform the repair regardless of the skill level of the operator. An object of the present invention is to provide a disconnection inspection and repair apparatus and a disconnection repair method that can be performed uniformly and efficiently.

[0009]

SUMMARY OF THE INVENTION A disconnection inspection and repair apparatus according to the present invention is a disconnection inspection and repair apparatus for performing disconnection repair using disconnection data indicating a position of a disconnection occurring in a printed wiring board. Moving means for moving the printed wiring board mounted on the basis of the input disconnection data so that the broken portion is at a predetermined position, and a wiring image of the broken portion of the printed wiring board moved to the predetermined position by the moving means Reading means, an arithmetic processing means for calculating the position information of the broken part from the image information of the broken part read by the optical reading means, supply of a wire for repair and printing by welding using the wire for repair Repair means capable of repairing the wiring board; and control means for outputting control information to the repair means based on the information of the arithmetic processing means, wherein the control means is supplied to a predetermined position of the repair means. The repairing means is moved so that both ends of the wire for physical use and both ends of the broken portion of the wiring conductor of the printed wiring board calculated by the arithmetic processing means overlap each other. The parts are welded to make them electrically conductive.

A moving means for mounting the printed wiring board and moving the printed wiring board mounted on the basis of the input disconnection data so that the disconnected portion is at a predetermined position; Marking means for applying a special dye to both terminal portions in contact with the broken portions of the wiring conductors of the wiring board; transport means for transporting the printed wiring board marked by the marking means to a predetermined repair position; and a predetermined position by the transport means. Optical reading means for recognizing the special dye of the printed wiring board conveyed to the printed wiring board and reading the wiring image of the broken part of the printed wiring board; and positional information of the broken part from the image information of the broken part read by the optical reading means. An arithmetic processing means for calculating; a repairing means capable of supplying a repair wire and repairing the printed wiring board by welding using the repair wire; and a repair means based on information of the arithmetic processing means. Control means for outputting control information to the repair means, the control means comprising: a wire for the printed wiring board calculated by the arithmetic processing means; The repairing means may be moved so that both ends of the broken portion of the conductor are overlapped with each other, and the repaired means may weld the respective overlapped portions to each other for electrical conduction.

A method for repairing a disconnection according to the present invention is a method for repairing a disconnection using disconnection data indicating the position of a disconnection occurring on a printed wiring board. Moving the printed wiring board so that the broken portion is at a predetermined position, an optical reading step of reading a wiring image of the broken portion of the printed wiring board moved to the predetermined position by the moving process, and an optical reading An arithmetic processing step of calculating position information of the disconnected part from the image information of the disconnected part read in the step, and a control means for outputting control information based on the information of the arithmetic processing step, supply a repairing wire rod and supply the repairing wire rod. Repairing the printed wiring board by welding using welding, in the repairing process, both ends of the wire for repair supplied to a predetermined position of the repair means,
The repair means is moved so that the two end portions in contact with the broken portions of the wiring conductors of the printed wiring board calculated by the arithmetic processing means are at positions where they are overlapped with each other, and the repaired means welds the respective overlapped portions and electrically connects them. Is conducted.

A moving step of moving the printed wiring board mounted on the moving means in accordance with the input disconnection data so that the disconnected portion is at a predetermined position; and a wiring conductor of the printed wiring board in accordance with the input disconnection data. A marking step of applying a special dye to both ends in contact with the broken portion of the wire, a transporting step of transporting the printed wiring board marked in the marking step to a predetermined repair position, and a printing transported to a predetermined position in the transporting step An optical reading step of recognizing a special dye on the wiring board and reading a wiring image of a broken portion of the printed wiring board;
An operation processing step of calculating position information of the disconnected portion from the image information of the disconnected portion read in the optical reading step, and a control means for outputting control information based on the information of the operation processing step supplies a repair wire and supplies the repaired wire. And repairing the printed wiring board by welding using the wire for repair. In the repairing process, both ends of the wire for repair supplied to a predetermined position of the repair means and printing calculated by the arithmetic processing means The repairing means may be moved so that the two end portions in contact with the disconnected portions of the wiring conductors of the wiring board are respectively overlapped with each other, and the respective overlapping portions are welded by the repairing means to electrically conduct.

[0013]

In the disconnection inspection and repair apparatus and the disconnection repair method according to the present invention, the disconnection position of the printed wiring board mounted on the moving means is determined by using disconnection data indicating the disconnection position detected by the printed wiring board inspection machine. The position is automatically determined to be the position. The broken part of the positioned printed wiring board is CC
The image is read as an image by an optical reading device such as a D camera, and the position information of the broken portion is calculated by the arithmetic processing means from the obtained image information.

The repair means supplies the repair wire to a predetermined position of the repair means according to the control information of the control means based on the position information of the arithmetic processing means, and the both ends of the repair wire and the broken portion of the wiring conductor of the printed wiring board. Are moved to a position where they overlap with each other, and the overlapped portions are welded by the welding machine of the repairing means to electrically conduct the disconnected portions.

In the method using the marking, the printed wiring board mounted on the moving means is automatically adjusted so that the broken position becomes a predetermined position by using the broken data indicating the broken position detected by the inspection machine for the printed wiring board. Is positioned. Based on the disconnection data, marking by a special dye is automatically performed on both ends of the positioned printed wiring board which are in contact with the disconnected portions of the wiring conductors of the printed wiring board.

The printed wiring board on which the marking has been performed is sent to a disconnection repair machine by means of a conveyor or the like, and the broken portion of the printed wiring board recognizes the special dye marking.
The image is read as an image by an optical reading device such as a CD camera, and the position information of the broken portion is calculated by the arithmetic processing means from the obtained image information.

The repair means supplies the repair wire to a predetermined position of the repair means according to the control information of the control means based on the position information of the arithmetic processing means, and the both ends of the repair wire and the broken portion of the wiring conductor of the printed wiring board. Are moved to a position where they overlap with each other, and the overlapped portions are welded by the welding machine of the repairing means to electrically conduct the disconnected portions.

[0018]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows a first embodiment of a disconnection inspection and repair apparatus according to the present invention.
FIG. 4 is a block diagram showing an embodiment of the present invention. In FIG. 1, the disconnection inspection and repair device includes an automatic optical inspection device 110 and a defect confirmation and repair device 120.

The automatic optical inspection machine 110 includes a CCD camera 111 for reading circuit information from a printed wiring board 101 to be inspected, a binarization processing section 112 for binarizing the read information, and a binarization processing section. The feature extraction method processing unit 113, which determines the processed circuit information by the feature extraction method that determines the finished circuit, compares the detected data with the singular point information registered in the inspection machine of the printed wiring board 101 in advance. Comparison processing unit 114 that determines a defect by
And an inspection machine processing unit 115 that outputs defect information detected by both detection methods to the defect confirmation and repair machine 120 as disconnection data.

The defect confirmation processor 120 is an inspection processor 1
And a moving means for moving the defective portion of the printed wiring board 101 mounted on the basis of the information of the defect confirmation data processing unit 121 to a predetermined position. A certain check table 122 and the printed wiring board 101 moved to a predetermined position
A CCD camera 123 for reading an image of a defective portion of
A defect confirmation CRT 124 for displaying an image of a disconnected portion read by the D camera 123 on a screen to confirm a defect.
And an image processing unit 125 that performs a binarization process based on the recognition information of the CCD camera 123, and an arithmetic process that calculates the position information of the disconnected portion 103 and the selection information of the repair wire 201 from the binarized image information. A control unit 127 that controls the repair unit 128 based on information of the arithmetic processing unit 126;
And a repair unit 128 for repairing the broken portion.

2 and 3 show a method for repairing a disconnection. FIG.
(A) is a block diagram of a part directly related to repair,
(B) is a partial enlarged top view of the repair unit 128, (c)
4 is a partially enlarged front view of the repair unit 128, (d) is a schematic diagram of image recognition of the image processing unit 125, (e) is a schematic diagram of output data of the arithmetic processing unit 126, and (f) is a control unit. FIG. 127 is a schematic diagram of output data 127. FIG. 3 is a partially enlarged front view of a repair section showing steps of a repair process, and S1 to S
Reference numeral 6 denotes a step of a repair process which is automatically performed.

CCD camera 123 as optical reading means
The image data of the broken portion recognized by the image processing unit 125 is subjected to a binarization process by the image processing unit 125 which is an image processing unit [FIG.
(D)]. Further, in order to prevent erroneous recognition of the machine, the operator can perform the repair after checking on the CRT 124 for checking. Based on the image information binarized by the image processing unit 125, the arithmetic processing unit 126, which is an arithmetic processing unit, determines the positions of the two terminal units 102a and 102b and the distance between the terminal units that are in contact with the broken portion 103 of the wiring conductor 102. [FIG. 2 (e)]. Further, the data is compared with the comparison data used for the comparison method in the automatic optical inspection machine 110, and the comparison as to whether or not the circuit has a branch or a circuit bend is also performed at the same time.

The defect position information [FIG. 2 (e)] calculated by the arithmetic processing unit 126 is transmitted to the control unit 127 as control means. Based on this data, a wire rod supply device (not shown) in the repair unit 128 serving as a repair means places the repair wire 201 on the wire rod holding unit 128a and arranges the tip of the wire 201 below the welding electrode 128c. And is held by the holding arm 128b. The control unit 127 controls the three-axis (X, Y, θ) servomotor [FIG. 2 (f)].
A position where the welding electrode 128c is located above the one wiring conductor terminal portion 102a of the disconnected portion 103 and the other end of the wire 201 is located above the other wiring conductor terminal portion 102b of the disconnected portion 103 from the predetermined origin position of the repair portion 128. (S1).

After the movement, the wire pressing portion 128a is lowered onto the printed wiring board 101, and the tip of the wire 201 is pressed against the wiring conductor terminal portion 102a (S2). Next, the welding electrode 128
c is lowered, and the tip of the wire 201 and the wiring conductor end 102
The welding with a is performed (S3). After welding, wire holding part 1
The holding arm 128b of 28a is opened to release the holding of the wire 201, the wire holding portion 128a is slightly raised, and the welding electrode 1
It is moved until the position of 28c is located above the other wiring conductor terminal portion 102b of the disconnected portion 103. After the movement, the wire rod holding portion 128a is lowered again, the contact portion between the other wiring conductor terminal portion 102b and the tip of the wire 201 is again pressed, and the wire having a length necessary for repair is cut off from the wire 102 (S4). The welding electrode 128c is lowered to perform welding and the repair work is completed (S5). After the completion of the repair work, the wire rod holding portion 128a moves up (S6), and the repair portion 128 returns to the predetermined origin position to complete the automatic repair work.

FIG. 4 is a block diagram showing a second embodiment of the present invention. In FIG. 4, the disconnection inspection and repair device includes an automatic optical inspection device 410, a defect confirmation device 420, and a disconnection repair device 430.

An automatic optical inspection machine 410 includes a CCD camera 411 for reading circuit information from a printed wiring board 401 to be inspected, a binarization processing section 412 for binarizing the read information, and a binarization processing section 412. The feature extraction method processing unit 413, which determines the processed circuit information by a feature extraction method that determines the circuit finish based on the circuit finish, compares the detected data with the singularity information registered in the inspection machine of the printed wiring board 401 in advance. Comparison processing unit 414 that determines a defect by
And an inspection machine processing unit 415 that outputs defect information detected by both the detection methods to the defect checker 420 as defect data including disconnection data.

The defect checker 420 is an optical checker 410
Process the defect data output from the
2, a defect confirmation data processing unit 421 that outputs to the CRT 423 and the marking unit 424, and a defect confirmation data processing unit 42.
A check table 422 for moving the printed wiring board 401 mounted on the basis of the information from No. 1 so that the defective portion is at a predetermined position, and an image for checking the image information of the circuit pattern of the defective portion read by the CCD camera 411. A CRT 423 to be displayed, a marking part 424 for applying a special dye 425 to both ends of the printed wiring board 401 which are in contact with the broken part of the wiring conductor based on the defect data input from the optical inspection machine 410, and a printed mark. Wiring board 401
Conveyor 426 as a transport means to the wire breakage repair machine 430
It is composed of

The disconnection repair machine 430 includes a marking unit 424
The CCD camera 431 which recognizes the special dye 425 applied to both terminal portions of the printed wiring board 401 which are in contact with the broken portions of the wiring conductors and outputs image information to the image processing section 432.
And an image processing unit 4 for binarizing the image information of the mark of the special dye 425 of the defective portion read by the CCD camera 431.
32, an arithmetic processing unit 433 for calculating the position information of the disconnected portion 403 and the selection information of the repair wire from the image information binarized by the image processing unit 432, and a repair unit 435 based on the information of the arithmetic processing unit 433. Control unit 43 that outputs control information of
4 and the arithmetic processing unit 4 based on the control information of the control unit 434.
The wire rod 501 for repair selected at 33 is supplied to and held at a predetermined position of the repair unit 435, and both ends of the wire rod 501 are connected to the wiring conductors of the printed wiring board 401 based on the position information calculated by the arithmetic processing unit 433. A repairing part 435 which moves so as to be in a position where it overlaps with both end portions which are in contact with the disconnection portion of 402, and which automatically welds the respective overlapping portions to electrically conduct each other.

From the printed wiring board 401 to be inspected, C
The circuit information read by the CD camera 411 is binarized by a binarization processing device 412, and the binarized circuit information is processed by a feature extraction method processing unit 413 to obtain a defect due to circuit finish by a feature extraction method. Is detected, and the comparison method processing unit 414 compares the detected data with the singular point information registered in the printed wiring board inspection machine 410 in advance, thereby detecting a defect. The obtained defect information is transmitted to the inspection machine processing unit 41.
5 is output from the automatic optical inspection device 410 to the defect confirmation device 420 as defect data including disconnection data.

According to the defect data transferred to the defect confirmation data processing section 421 of the defect confirmation device 420, the confirmation table 42 as a moving means is moved so that the defective portion comes to a predetermined position.
2 is controlled. A special dye 425 that can be image-recognized by a marking unit 424 serving as a marling means is placed at the defect position confirmed by the confirmation CRT 423.
03 is automatically applied to both terminals.

FIG. 5 shows a disconnection repair method. 5A is a block diagram of a part directly related to repair, FIG. 5B is a partially enlarged top view of the repair unit 435, FIG. 5C is a partially enlarged front view of the repair unit 435, and FIG. ) Indicates the image processing unit 4
32 is an image recognition schematic diagram of FIG.
3 is a schematic diagram of output data of FIG. 3, and (f) is a schematic diagram of output data of the control unit 434.

The printed wiring board 401, which has been marked at the defect position with the special dye 425, is transported to the disconnection repair machine 430 by a conveyor 426 as transport means, and the CCD camera 431 as optical reading means in the disconnection repair machine prints. Special dye 4 applied to wiring conductor 402 of wiring board 401
25, and the recognition data is binarized by an image processing unit 432, which is an image processing means (FIG. 5D). Based on the image information of the special dye 425 that has been binarized by the image processing unit 432, the broken portion 40 of the wiring conductor of the wiring conductor 402
The position of the two terminals in contact with the terminal 3 and the distance between the terminals are calculated by the arithmetic processing unit 433 as the arithmetic processing means [FIG.
(E)].

The defect position information [FIG. 5 (e)] calculated by the arithmetic processing unit 433 is transmitted to the control unit 434 as control means. Based on this data, a wire rod supply device (not shown) in the repair section 435 serving as a repair means places the repair wire 501 on the wire rod holding section 435a so that the tip of the wire 501 is arranged below the welding electrode 435c. And is held by the presser arm 435b. The control unit 434 controls the three-axis (X, Y, θ) servomotors (FIG. 5F).
The repair portion 435 is moved from a predetermined origin position to a position where the welding electrode 435c is above the terminal portion of one of the wiring conductors 402 of the disconnected portion 403 and the other end of the wire 501 is above the other terminal of the wiring conductor of the disconnected portion 403. Move.

After the movement, the wire pressing portion 435a descends onto the printed wiring board 401, and presses the tip of the wire 501 against the wiring conductor terminal. Next, the welding electrode 435c descends and the wire 5
Welding is performed between the distal end of the wiring conductor 01 and the terminal portion of the wiring conductor.

After the welding is completed, the holding arm 435b of the wire holding portion 435a is opened to release the holding of the wire 501, and the repair portion 43 is opened.
5 is slightly raised and moved until the position of the welding electrode 435c is positioned above the other end of the wiring conductor of the disconnected portion 403. After the movement, the wire rod holding portion 435a is lowered again, and the contact portion between the other wiring conductor terminal and the tip of the wire rod 501 is pressed again, and the wire rod of a length necessary for repair is cut off from the wire rod 502. The welding electrode 435c is lowered to perform welding and the repair work is completed. After the repair work, the wire rod holding part 43
5a rises, and the repair unit 435 returns to the predetermined origin position to complete the automatic repair work.

The transfer of the printed wiring board 401 from the defect checker 420 to the disconnection repairing machine 430 in this embodiment is performed by the conveyor 426.
, The robot is automatically moved, but a robot or other means may be used.

Further, in this embodiment, the marking of the marking section 424 is performed on the broken portion. However, it is needless to say that the marking can be performed on other defects, and can be used in the process of repairing the defect. .

Further, it is naturally possible to automatically repair the printed wiring board on which the broken portion has been marked by the operator or other defect checking means by the broken wire repairing machine 430.

In the two embodiments of the present invention, the judgment of the defect of the wiring conductor is performed by using both the feature extraction method and the comparison method. However, it is not limited that any one method is used. Of course.

Although the image processing unit and the arithmetic processing unit are independent blocks, they may be integrated into a single block.

Further, the wire for repair is used by cutting a continuously supplied wire, and a plurality of cut wires prepared in advance are selected based on the selection information calculated by the arithmetic processing unit. May be supplied.

Further, this repair method can be applied not only to complete disconnection but also to repair of a defective portion such as thinning or chipping as long as the defect can be repaired by using a wire.

[0044]

As described above, the present invention automates the repair of a disconnection detected by an automatic optical inspection machine in conjunction with the automatic optical inspection machine, irrespective of the skill level of the worker. Since the disconnection repair can be performed, the productivity of the repair is improved, and the stagnation of the product due to the waiting for the repair can be prevented.

In addition, there is an effect in terms of quality control that by performing the repair with a machine, the finish of the repair becomes constant regardless of the skill level of the operator.

Further, since the inspection process and the repair process are performed in a continuous process, no defect occurs due to the handling of the product when the product is moved.

In the disconnection inspection and repair apparatus and the disconnection repair method using the marking means according to the second and fourth aspects, even if the printed wiring board is marked by an operator or other defect confirmation means, the disconnection repair machine automatically performs the operation. Since it can be repaired quickly, it is possible to economically save labor and improve quality control even as a post process of existing equipment.

[Brief description of the drawings]

FIG. 1 is a block diagram of a first embodiment of the present invention.

FIG. 2 is an explanatory view of a disconnection repair operation according to the first embodiment of the present invention. (A) is a block diagram of a part directly related to repair. (B) is a partial enlarged top view of a repair part.
(C) is a partial enlarged front view of a repair part. (D) is an image recognition schematic diagram of the binarization processing unit. (E) is a schematic diagram of output data of the arithmetic processing unit. (F) is a schematic diagram of output data of the control unit.

FIG. 3 is a partially enlarged front view of a repair unit showing steps of a repair process according to the first embodiment of the present invention. S1 shows a state in which the wire is supplied and the repaired part is moved above one end of the wiring conductor at the repair position. S2 indicates a state where the repair unit has been lowered to the repair position. S3 shows a state in which the welding electrode is lowered and welding is being performed. S4 shows a state in which the repair part has been lowered to the repair position after moving to the other wiring conductor end. S5 shows a state in which the welding electrode is lowered and welding is being performed. S6 indicates a state in which the repair has been completed and the repair unit has been raised.

FIG. 4 is a block diagram of a second embodiment of the present invention.

FIG. 5 is an explanatory diagram of a disconnection repair operation according to a second embodiment of the present invention. (A) is a block diagram of a part directly related to repair. (B) is a partial enlarged top view of a repair part.
(C) is a partial enlarged front view of a repair part. (D) is an image recognition schematic diagram of the image processing unit. (E) is a schematic diagram of output data of the arithmetic processing unit. (F) is a schematic diagram of output data of the control unit.

FIG. 6 is a block diagram of a conventional automatic optical inspection machine and a defect confirmation machine.

FIG. 7 is an explanatory diagram of a disconnection repair operation according to the related art.
(A) is a front view which shows a defect repair process. (B) is a top view of a defective portion. (C) is a side view of the defective portion.

[Explanation of symbols]

 101, 401, 601 Printed wiring board 102, 402, 602 Wiring conductor 102a Wiring conductor end 102b Wiring conductor end 103, 403, 603 Breaking part 110, 410, 610 Automatic optical inspection machine 111, 411, 611 CCD camera 112 , 412, 612 Binarization processing unit 113, 413, 613 Feature extraction method processing unit 114, 414, 614 Comparison method processing unit 115, 415, 615 Inspection machine processing unit 120 Defect check and repair machine 121, 421, 621 Defect check data Processing unit 122, 422, 622 Confirmation table 123, 431 CCD camera 124, 423, 623 CRT 125 Image processing unit 126, 433 Operation processing unit 127, 434 Control unit 128, 435 Repair unit 128a, 435a Wire rod holding unit 128b, 435b Pressing Arm 128c, 35c welding electrodes 201,501 wire rod 420,620 defects validator 424 marking unit 425 special paint 426 conveyor 430 break repair machine 432 image processing unit 604 marks 701 the operator 702 magnifier 703 break repair machine 703a welding electrode 705 wire rod 706 Tweezers

Claims (4)

(57) [Claims] 1. A disconnection inspection / repair device for performing a disconnection repair using disconnection data indicating a position of a disconnection occurring in a printed wiring board, wherein the printed wiring board is mounted and mounted based on the input disconnection data. Moving means for moving the printed wiring board so that the broken portion is at a predetermined position; optical reading means for reading a wiring image of the broken portion of the printed wiring board moved to a predetermined position by the moving means; An arithmetic processing means for calculating the position information of the broken part from the image information of the broken part read by the optical reading means; and a repair capable of supplying the repairing wire and repairing the printed wiring board by welding using the repairing wire. Means, and control means for outputting control information to the repair means based on information of the arithmetic processing means, wherein the control means is provided at a predetermined position of the repair means. The repair means is moved so that both ends of the wire for repair and the two end portions which are in contact with the broken portions of the wiring conductors of the printed wiring board calculated by the arithmetic processing means are at positions where they respectively overlap, A disconnection inspection / repair device, characterized in that the respective overlapping portions are welded by a repair means to make them electrically conductive. 2. A disconnection inspection / repair device for performing a disconnection repair using disconnection data indicating a position of a disconnection occurring on a printed wiring board, wherein the printed wiring board is mounted and mounted based on the input disconnection data. A moving means for moving the printed wiring board so that the broken portion is at a predetermined position; and applying a special dye to both terminal portions in contact with the broken portion of the wiring conductor of the printed wiring board according to the input breaking data. Marking means, conveying means for conveying the printed wiring board marked by the marking means to a predetermined repair position, and recognizing the special dye of the printed wiring board conveyed to a predetermined position by the conveying means. An optical reading means for reading a wiring image of a broken portion of the printed wiring board by using the optical reading means, and calculating position information of the broken portion from the image information of the broken portion read by the optical reading means. Processing means for supplying repair wire material and repair means capable of repairing the printed wiring board by welding using the repair wire material; outputting control information to the repair means based on the information of the arithmetic processing means Control means, the control means, both ends of the repair wire supplied to a predetermined position of the repair means, the wiring conductor of the printed wiring board calculated by the arithmetic processing means A disconnection inspection / repair device, wherein the repair unit is moved so that both terminal portions in contact with the disconnection portion overlap with each other, and the respective overlapped portions are welded and electrically connected by the repair unit. . 3. A disconnection repairing method for performing disconnection repair using disconnection data indicating a position of a disconnection occurring on a printed wiring board, wherein the printed wiring board mounted on a moving means based on the input disconnection data. Moving the wire so that the broken portion is at a predetermined position, an optical reading step of reading a wiring image of the broken portion of the printed wiring board moved to the predetermined position by the moving step, and reading in the optical reading step. An arithmetic processing step of calculating position information of the disconnected part from the image information of the disconnected part, and a control wire that outputs control information based on the information of the arithmetic processing step supplies a repair wire and uses the repair wire. A repair process to repair the printed wiring board by welding;
In the repairing step, both ends of the repairing wire supplied to a predetermined position of the repairing means, and both end portions which come into contact with a broken portion of the wiring conductor of the printed wiring board calculated by the arithmetic processing means The repairing means is moved so that each of the overlapping portions is at a position where the overlapping occurs, and the overlapping portion is welded by the repairing means so as to be electrically connected. 4. A disconnection repairing method for performing disconnection repair using disconnection data indicating a position of a disconnection occurring on a printed wiring board, wherein the printed wiring board mounted on a moving means based on the input disconnection data. A moving step of moving the disconnection portion to a predetermined position, and a marking step of applying a special dye to both terminal portions in contact with the disconnection portion of the wiring conductor of the printed wiring board by the input disconnection data, A transporting step of transporting the printed wiring board marked in the marking step to a predetermined repair position, and disconnection of the printed wiring board by recognizing the special dye of the printed wiring board transported to the predetermined position in the transporting step An optical reading step of reading a wiring image of the portion; and an arithmetic processing step of calculating positional information of the disconnected portion from the image information of the disconnected portion read in the optical reading step , A repair step of performing repairs of the arithmetic processing on the basis of the information of the process to supply the repair wire by the control means for outputting control information printed wiring board by welding using the repair wire,
In the repairing step, both ends of the repairing wire supplied to a predetermined position of the repairing means, and both end portions which come into contact with a broken portion of the wiring conductor of the printed wiring board calculated by the arithmetic processing means The repairing means is moved so that each of the overlapping portions is at a position where the overlapping occurs, and the overlapping portion is welded by the repairing means so as to be electrically connected.