CN208079513U - Device for repairing printed circuit board - Google Patents
Device for repairing printed circuit board Download PDFInfo
- Publication number
- CN208079513U CN208079513U CN201820547090.XU CN201820547090U CN208079513U CN 208079513 U CN208079513 U CN 208079513U CN 201820547090 U CN201820547090 U CN 201820547090U CN 208079513 U CN208079513 U CN 208079513U
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- Prior art keywords
- laser
- circuit board
- printed circuit
- path
- photosensitive
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of device for repairing printed circuit board, including laser processing module, observation module and central processing unit.The laser processing module includes laser emitter and galvanometric optical scanning element.The laser emitter generates laser beam.The galvanometric optical scanning element receives the laser beam and generates scanning range.The observation module includes the lighting source for irradiating the printed circuit board, makes the imaging lens of image focusing, and receives image and generate the photosensitive coupling component of observation image information.The central processing unit receives information and controls the laser emitter and the galvanometric optical scanning element.Cost is reduced by the galvanometric optical scanning element and promotes scanning range size.
Description
Technical field
The utility model is related to a kind of optical detection and the equipment for repairing electronic circuit, more particularly to one kind for repairing
The device of printed circuit board.
Background technology
There may be defects in the fabrication process for circuit, and further result in circuit malfunction.A variety of different automatic defects
Therefore detecting system is just developed, these automatic fault detection systems are for circuit for detecting defect in the fabrication process and can
Apply to common circuit unit, such as printed circuit board.Such as a kind of existing No. 414782 patent institutes of TaiWan, China certificate number I
The disclosed device for being suitable for automatic detection and repairing printed circuit board, and suitable for the device of automatic marking printed circuit board, it is aforementioned
Automatic defect detection and repair apparatus in patent can be directed to printed circuit board can toolability judged, and repaiied in turn
Mend or generated with the device of aforementioned automatic marking printed circuit board the label of irreparability.And it is examined in the existing automatic defect
A fast steering reflection mirror (fast steering mirror) is used in survey and repair apparatus, which can
One region to be repaired of laser scanning is enabled along dual-axis rotation.But the shortcomings that fast steering reflection mirror, is that cost is excessively high and inclined
Gyration is small and causes the scannable region of single also smaller.
Invention content
It can be effectively reduced cost and the use of improving laser scanning range size the purpose of this utility model is to provide a kind of
In the device for repairing printed circuit board.
The utility model is used to repair the device of printed circuit board, including rack, laser processing module, observation module, and
Central processing unit.
The rack includes being suitable for placing the printed circuit board and platform and basal wall group with top surface.The basal wall
Group can be relative to the platform along X axis, and the Y-axis vertical with the X axis is slided, and the X axis and the Y-axis
The X/Y plane for being parallel to the top surface is defined jointly.
The laser processing module is connected to the basal wall group, and includes that laser emitter, beam expanding lens, galvanometric optical are swept
Retouch unit and focus lamp.The laser emitter generates laser beam and the laser beam emits along laser path.The expansion
Shu Jing is set to the laser path and the laser beam generation is made to expand effect.The galvanometric optical scanning element setting
In the laser path and the laser beam after the beam expanding lens is received, and includes the first steering reflection mirror group and second turn
To speculum group.The first steering reflection mirror group has the first actuator and the first steering reflection mirror.Described first turns to instead
Mirror is penetrated to be installed on first actuator along the first steering shaft and can turn to described first relative to first actuator
It is rotated centered on axis.The second steering reflection mirror group has the second actuator and the second steering reflection mirror.Described second turns to
Speculum is installed on second actuator along the second steering shaft and can be relative to second actuator with described second turn
It is rotated centered on to axis.First steering shaft is mutually perpendicular to second steering shaft.First steering reflection mirror receives
Second steering reflection mirror is transferred to after the laser beam, then the laser beam exports outward so that described in process
The laser path of galvanometric optical scanning element output changes and generates to be turned to by first steering reflection mirror and described second
The scanning range that mirror deflecting angle defines.The focus lamp, which is set to the laser path and receives, passes through the galvanometer
Laser beam after light scanning unit simultaneously generates focusing effect.
The observation module is connected to the basal wall group, and includes lighting source, imaging lens and photosensitive coupling component.
The lighting source irradiates the light of the printed circuit board and generation along photosensitive outlet openings.The imaging lens are set to institute
State photosensitive path and suitable for making image focus.The photosensitive coupling component is set to the photosensitive path and receives described in process
Light after imaging lens.The photosensitive coupling component applies also for capturing light and generates observation image, and by the observation
Image is converted to observation image information.
The central processing unit receives restoring area information and the observation image information, and according to the restoring area
Information laser controlling signal corresponding with the observation image information generation and scan control signal.The laser controlling signal passes
It send to the laser emitter and controls the laser emitter.The scan control signal is sent to the galvanometric optical and sweeps
It retouches unit and controls the galvanometric optical scanning element.
The utility model is used to repair the device of printed circuit board, and the laser processing module further includes speculum group, and
Half-reflecting mirror, the speculum group are set to the laser path and between the beam expanding lens and galvanometric optical scanning list
Between member, and suitable for changing the laser path, the half-reflecting mirror is set to the laser path and receives described in process
The photosensitive path of laser beam after focus lamp, the laser path of the laser processing module and the observation module is in described half
Intersect at speculum, the half-reflecting mirror reflects the laser beam to the printed circuit board and produced for the lighting source
Raw light penetrates, and the observation module further includes compensating glass, and the compensating glass, which is set to the photosensitive path and receives, to be passed through
Light after the half-reflecting mirror and suitable for reducing aberration, the imaging lens are set to the compensation along the photosensitive path
After mirror.
The utility model is used to repair the device of printed circuit board, and the observation module further includes filter plate, the filtering
Before piece is set to the photosensitive path and is set to the photosensitive coupling component so that light is by lighting source transmitting and edge
The photosensitive path passes through the filter plate before arriving at the photosensitive coupling component and filters out stray light.
The utility model is used to repair the device of printed circuit board, also includes thickness measuring instrument, and the thickness measuring instrument connects
It is connected to the basal wall group of the rack and the thickness suitable for measuring the printed circuit board.
The utility model is used to repair the device of printed circuit board, light caused by the lighting source of the observation module
For ultraviolet light.
The utility model is used to repair the device of printed circuit board, and the galvanometric optical scanning of the laser processing module is single
Member also has the movable lens groups for being suitable for adjusting the focusing point height for being projeced into the printed circuit board.
The beneficial effects of the utility model are：The device for repairing printed circuit board is by the galvanometer light
Scanning element effectively reduces cost and improving laser scanning range size.
Description of the drawings
Fig. 1 is an installation signal of a first embodiment of the device that the utility model is used to repair printed circuit board
Figure；
Fig. 2 is a simplified architecture schematic diagram of the first embodiment；
Fig. 3 is a stereogram of a part for the first embodiment；
Fig. 4 is an a part of side view for the first embodiment in Fig. 3；
Fig. 5 is analogous to Fig. 3 but side view that visual angle is the opposite other side；
Fig. 6 is a schematic diagram, illustrates the construction of a galvanometric optical scanning element；
Fig. 7 is a schematic diagram of observation image when operating the first embodiment, wherein hatched example areas is printing
Circuit, dashed region are a restoring area；
Fig. 8 is the schematic diagram that image is observed after one when operating the first embodiment hits, wherein hatched example areas
For printed wire, dashed region is the restoring area；
Fig. 9 is a simplified architecture of a second embodiment of the device that the utility model is used to repair printed circuit board
Schematic diagram；
Figure 10 is a schematic diagram, illustrates that a third of device of the utility model for repairing printed circuit board is implemented
The galvanometric optical scanning element of example.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and embodiments.
A first embodiment with Fig. 2, the utility model device for being used to repair printed circuit board is suitable for refering to fig. 1
A printed circuit board 1 is repaired, including 4, observation moulds of the rack 3, one of an input unit 2, one laser processing module
Group 5, central processing unit, 6, display units 7 and a thickness measuring instrument 8.
The input unit 2 is connect with 6 signal of central processing unit, and is suitable for operator and is specified a restoring area
And convert the restoring area to the restoring area information read for the central processing unit 6.The rack 3 is suitable for including one
It places the printed circuit board 1 and has 31, slide rail groups 32 being connect with the platform 31 of platform there are one top surface 311, one
The basal wall group 33 being connect with the slide rail group 32.There are two 321, two Y-axis sliding rails 322 of X-axis slide rail and two for the slide rail group 32 tool
Z axis slide rail 323.The basal wall group 33 can be relative to the platform 31 along an X axis and one and the X-axis by the slide rail group 32
It is slided to vertical Y-axis, and the X axis defines an X/Y plane for being parallel to the top surface jointly with the Y-axis.The basal wall
There are one be parallel to the second basal wall of X/Y plane part 332 perpendicular to the first basal wall part 331 of the X/Y plane and one for 33 tool of group.
The first basal wall part 331 can relative to the platform 31 along a Z axis both perpendicular to the X axis and the Y-axis to sliding.
Refering to Fig. 2 to Fig. 6, which is connected to the basal wall group 33, and includes one and be connected to second base
The speculum group 43, one of the beam expanding lens adjacent with the laser emitter 41 42, one of laser emitter 41, one of wall pieces 332
Be connected to the first basal wall part 331 galvanometric optical scanning element 44 (Galvanometer Scanner), one adjacent to
The focus lamp 45 of the galvanometric optical scanning element 44 and a half-reflecting mirror 46.The laser emitter 41 generates a laser
The light beam and laser beam emits along a laser path.The laser path arises from the laser emitter 41, and sequentially by being somebody's turn to do
Beam expanding lens 42, the speculum group 43, the galvanometric optical scanning element 44, the focus lamp 45, the half-reflecting mirror 46, and finally support
Up to the printed circuit board 1.There are four the speculums 431 for being suitable for changing the laser path for the speculum group 43 tool.It is worth explanation
, the number of the speculum 431 is four in the present first embodiment, but can also be one to three or five or more.
The beam expanding lens 42 is set to the laser path and laser beam generation is made to expand effect.The speculum group 43 receives
Laser beam after the beam expanding lens 42 and suitable for changing the laser path, to which the laser beam is imported the galvanometer
Light scanning unit 44.The galvanometric optical scanning element 44 receives the laser beam after the speculum group 43, and includes
One the first steering reflection mirror group 441 and a second steering reflection mirror group 442.The first steering reflection mirror group 441 has one
A first actuator 443 and first steering reflection mirror 444.First steering reflection mirror 444 is along a first steering shaft R1
It is installed on first actuator 443 and is driven and can be rotated centered on first steering shaft R1 by first actuator 443.
There are one the second actuator 445 and second steering reflection mirrors 446 for the second steering reflection mirror group 442 tool.Second steering
Speculum 446 is installed on second actuator 445 along a second steering shaft R2 and can by second actuator 445 driving
It is rotated centered on second steering shaft R2.The first steering shaft R1 is mutually perpendicular to second steering shaft R2.First steering
Speculum 444 is transferred to second steering reflection mirror 446 after receiving the laser beam, and then the laser beam exports outward, makes
The laser path by the galvanometric optical scanning element 44 output is obtained to change and generate one by first steering reflection mirror 444
The scanning range defined with 446 deflection angle of the second steering reflection mirror.The focus lamp 45 reception is swept by the galvanometric optical
It retouches the laser beam after unit 44 and generates focusing effect.The half-reflecting mirror 46 receives the laser light after the focus lamp 45
Beam, and the laser beam is reflected to the printed circuit board 1.
The observation module 5 is connected to the first basal wall part 331, and includes 51, compensating glass 52, one of a lighting source
53, imaging lens 54 of a filter plate and a photosensitive coupling component 55.The lighting source 51 irradiates the printed circuit board 1
And the light generated is along a photosensitive outlet openings.The photosensitive path arises from the lighting source 51, and sequentially passes through the half reflection
Mirror 46, the compensating glass 52, the filter plate 53, the imaging lens 54, and finally arrive at the photosensitive coupling component 55.It is worth explanation
It is that light can be but be not limited to ultraviolet light caused by the lighting source 51 so that when irradiating the printed circuit board 1,
Stronger light comparison can be generated between object on the printed circuit board 1, and then subsequent images analysis is generated preferable
Effect.
The laser path of the laser processing module 4 intersects with the photosensitive path of the observation module 5 at the half-reflecting mirror 46.
The half-reflecting mirror 46 also supplies light caused by the lighting source 51 to penetrate.The compensating glass 52 receives after the half-reflecting mirror 46
Light and suitable for reduce aberration.The filter plate 53 receives the light after the compensating glass 52 and filters out stray light.This at
As camera lens 54 is set to after the filter plate 53 along the photosensitive path and suitable for making image focus.The photosensitive coupling component 55 receives
Light after the imaging lens 54, and suitable for capturing light and generating an observation image.The photosensitive coupling component 55
The observation image can also be converted to an observation image information, and the observation image information is transferred to the central processing unit
6.It is worth noting that the filter plate 53 be provided in the present first embodiment the compensating glass 52 and the imaging lens 54 it
Between, but light can also be provided in and arrive at the other positions before the photosensitive coupling component 55.
The central processing unit 6 receives a restoring area information and the observation image information, and according to the restoring area
Information laser controlling signal corresponding with the observation image information generation and scan control signal.The laser controlling signal is sent to
The laser emitter 41 simultaneously controls the laser emitter 41.The scan control signal is sent to the galvanometric optical scanning element 44
And control the galvanometric optical scanning element 44.The central processing unit 6 also generates a display according to the observation image information
Information is simultaneously transferred to the display unit 7.The display unit 7 receives the display information and shows the observation image.
The thickness measuring instrument 8 is connected to the first basal wall part 331, which is suitable for measuring the printed circuit
The thickness of plate 1, and slided with the basal wall group 33 and adjust adjustment location.
As shown in Figures 1 and 2, when the utility model first embodiment integrally assembles completion, and by printing electricity to be repaired
Plate 1 placement positioning in road is on the platform 31 of the rack 3, and refering to Fig. 7 and Fig. 8, operator is sought by manual or known coordinate value
The pending area 91 of printed circuit board 1 is looked for, the coordinate value which can be obtained by operator via front end of line.
The thickness of the pending area 91 is measured with the thickness measuring instrument 8, and generates a prediction processing times.It can refer to the prediction
Processing times set processing times and limit processing times as n times or not, and wherein n is positive integer.The observation module 5 captures light simultaneously
An observation image 92 is generated, which includes at least the pending area 91 of part.The photosensitive coupling component 55 will
The observation image 92 is converted to an observation image information and is supplied to the central processing unit 6.The specified reparation of operator
Region 93 simultaneously inputs a corresponding restoring area information, which receives the restoring area information.The reparation area
Domain 93 includes at least a part for the pending area 91 that the observation image 92 is included.
Generation one is corresponding after the central processing unit 6 is analyzed according to the restoring area information with the observation image information swashs
Photocontrol signal scan control signal corresponding with one.The laser controlling signal is sent to the laser emitter 41 and controls and is somebody's turn to do
Laser emitter 41, the scan control signal are sent to the galvanometric optical scanning element 44 and control galvanometric optical scanning
Unit 44.The laser emitter 41 to be emitted by the laser emitter with the galvanometric optical scanning element 44 by control
Laser beam in the restoring area 93 all printed wires carry out region strike.The observation module 5 obtains one automatically
Image 94 is observed after strike, which will observe observation image after image 94 is converted to a strike after the strike believes
It ceases and is supplied to the central processing unit 6.
If set processing times as n times, which judges whether processing times reach frequency n.If in this
When Central Processing Unit 6 judges that processing times have not yet been reached the frequency n of setting or are set as not limiting processing times, then the centre
Reason unit 6 generates another corresponding laser controlling after being analyzed with observation image information after the strike according to the restoring area information
Signal scan control signal corresponding with another simultaneously repeats region strike.Region above-mentioned strike will constantly repeat until
The central processing unit 6 judges that processing times reach frequency n or operator's manual termination.
This first embodiment can also use the thickness measuring instrument 8 to measure with the damage for the base material for judging the printed circuit board 1
Hinder degree, and judges whether to continue to repair the same pending area 91 or another pending area of the printed circuit board 1
91, or judge to repair and complete or directly scrap.
Printed wire in the observation image 92 is with hitting in region, with the laser beam ablation printed wire so that
The pending area 91 reduces and forms observation image 94 after the strike.Printed wire in the restoring area 93 is with processing time
Number increases and fades away, and circuit can be repaired to the state that can be operated.
TaiWan, China certificate number No. 414782 patents of I addressed in compared to the prior art are quickly turned using one
To speculum (fast steering mirror), which is about limited in positive and negative 3 degree.At this
In first embodiment, using the galvanometric optical scanning element 44 (Galvanometer Scanner), deflection angle limitation reaches
To positive and negative 15 degree or more, and then the boundary length of the scanning range may make to be more than 300 millimeters.And consider manufacture view, the inspection
The cost of flowmeter light scanning unit 44 is cheap compared with the fast steering reflection mirror.In addition, can determine whether this by the thickness measuring instrument 8
The degree of injury of the base material of printed circuit board 1, and judge whether to continue to repair the same pending area of the printed circuit board 1
91 or another pending area 91, or judge to repair and complete or directly scrap, it is avoided that the extra processing of progress and saves
Time and processing cost.
Such as Fig. 9, the utility model is used to repair a second embodiment of the device of printed circuit board, including an input
It is single that the rack 3, one of unit 2, one laser machines 4, the observation central processing unit 6, one of module 5, one displays of module
Member 7 and a thickness measuring instrument 8.
The laser processing module 4 of the second embodiment omits the speculum group 43 and the half-reflecting mirror 46, makes the galvanometer
Light scanning unit 44 directly receives the laser beam after the beam expanding lens 42, and the laser beam after the focus lamp 45
Directly hit the printed circuit board 1.In addition, omitting the half-reflecting mirror 46 not will produce aberration then, and the observation module 5 can be omitted
Compensating glass 52.
As shown in Figure 10, the present invention is used to repair a 3rd embodiment of the device of printed circuit board, while refering to Fig. 2
With Fig. 6, the difference of the 3rd embodiment and the first embodiment is only that the galvanometric optical scanning of the laser processing module 4 is single
Member 44.
The galvanometric optical scanning element 44 of the 3rd embodiment also has there are one movable lens groups 447.The movable lens
447 tool of group there are two the zoom lens 448 that are separately arranged, and operator can change between the zoom lens 448 away from
From.The laser beam is anti-after the movable lens groups 447, then via the first steering reflection mirror group 441 and second steering
It penetrates microscope group 442 and exports outward, be finally projeced into the printed circuit board 1.
This third embodiment is projeced into the print through the zoom lens 448 for adjusting the movable lens groups 447, further adjustment
The focusing point height of printed circuit board 1, and then the optical scanner of three dimensionality can be executed.The optical scanner of three dimensionality so that this third is real
The ablation that the laser beam carries out the printed circuit board 1 shallow-layer or depth can be controlled by applying example, generate preferable processing effect.Value
It must illustrate, which is not limited to use the zoom lens 448, can also be with other change focal lengths
Optical texture.
In this second embodiment, retain the first embodiment by the galvanometric optical scanning element 44 effectively reduce at
The effect of this and improving laser scanning range size, and further by omitting the speculum group 43, the half-reflecting mirror 46, and
The compensating glass 52 achievees the effect that save manufacturing cost.And the first embodiment is compared to the second embodiment, when processing due to
The laser path intersects with the photosensitive path and is not necessary to the opposite platform 31 and slides, therefore efficiency is higher.
In conclusion the utility model is used to repair the device of printed circuit board by the galvanometric optical scanning element 44
It effectively reduces cost and improving laser scanning range size, so the purpose of this utility model can be reached really.
Claims (6)
1. a kind of device for repairing printed circuit board, including rack, laser processing module, observation module and central processing
Unit, the device for repairing printed circuit board are characterized in that：
The rack includes suitable for placing the printed circuit board and with the platform and basal wall group of top surface, the basal wall group energy
Relative to the platform along X axis, and the Y-axis vertical with X axis sliding, and the X axis and the Y-axis are common
Define the X/Y plane for being parallel to the top surface；
The laser processing module is connected to the basal wall group, including laser emitter, beam expanding lens, galvanometric optical scanning list
Member and focus lamp, the laser emitter generates laser beam and the laser beam emits along laser path, the beam expanding lens
It is set to the laser path and the laser beam generation is made to expand effect, the galvanometric optical scanning element is set to institute
It states laser path and receives the laser beam after the beam expanding lens, and include that the first steering reflection mirror group turns to instead with second
Microscope group is penetrated, the first steering reflection mirror group has the first actuator and the first steering reflection mirror, first steering reflection mirror
It is installed on first actuator along the first steering shaft and can be with first steering shaft relative to first actuator
Center rotates, and the second steering reflection mirror group has the second actuator and the second steering reflection mirror, and described second turns to reflection
Mirror is installed on second actuator along the second steering shaft and can be relative to second actuator with second steering shaft
Centered on rotate, first steering shaft is mutually perpendicular to second steering shaft, described in first steering reflection mirror receives
Second steering reflection mirror is transferred to after laser beam, then the laser beam exports outward so that flow by the inspection
The laser path of meter light scanning unit output, which changes and generates to be turned to described second by first steering reflection mirror, to reflect
The scanning range that mirror deflection angle defines, the focus lamp, which is set to the laser path and receives, passes through the galvanometric optical
Laser beam after scanning element simultaneously generates focusing effect；
The observation module is connected to the basal wall group, including lighting source, imaging lens and photosensitive coupling component, the photograph
The light of the printed circuit board and generation is irradiated in source along photosensitive outlet openings in Mingguang City, and the imaging lens are set to described photosensitive
Path and suitable for making image focus, the photosensitive coupling component, which is set to the photosensitive path and receives, passes through the imaging lens
Light after head, the photosensitive coupling component applies also for capturing light and generates observation image, and the observation image is turned
Chemical conversion observation image information；
The central processing unit receives restoring area information and the observation image information, and believes according to the restoring area
Breath laser controlling signal corresponding with the observation image information generation and scan control signal, the laser controlling signal transmission
To the laser emitter and the laser emitter is controlled, the scan control signal is sent to the galvanometric optical scanning
Unit simultaneously controls the galvanometric optical scanning element.
2. the device according to claim 1 for repairing printed circuit board, it is characterised in that：The laser processing module
Further include speculum group and half-reflecting mirror, the speculum group is set to the laser path and between the beam expanding lens and institute
Between stating galvanometric optical scanning element, and suitable for changing the laser path, the half-reflecting mirror is set to the laser
The laser beam of path and reception after the focus lamp, the laser path of the laser processing module and the observation module
Photosensitive path intersect at the half-reflecting mirror, the half-reflecting mirror reflect the laser beam to the printed circuit board and
It is penetrated for light caused by the lighting source, the observation module further includes compensating glass, and the compensating glass is set to described
Photosensitive path and receive light after the half-reflecting mirror and suitable for reducing aberration, the imaging lens are along described photosensitive
After path is set to the compensating glass.
3. the device according to claim 2 for repairing printed circuit board, it is characterised in that：The observation module also wraps
Filter plate is included, before the filter plate is set to the photosensitive path and is set to the photosensitive coupling component so that light is by institute
It states lighting source transmitting and is arrived at before the photosensitive coupling component along the photosensitive path and pass through the filter plate and filter out spuious
Light.
4. the device according to claim 3 for repairing printed circuit board, it is characterised in that：It also include thickness measuring
Instrument, the thickness measuring instrument are connected to the basal wall group of the rack and the thickness suitable for measuring the printed circuit board.
5. the device according to claim 1 for repairing printed circuit board, it is characterised in that：The photograph of the observation module
Light caused by Mingguang City source is ultraviolet light.
6. the device according to claim 1 for repairing printed circuit board, it is characterised in that：The laser processing module
Galvanometric optical scanning element also have and be suitable for adjust the movable saturating of the focusings point height for being projeced into the printed circuit board
Microscope group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547090.XU CN208079513U (en) | 2018-04-17 | 2018-04-17 | Device for repairing printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547090.XU CN208079513U (en) | 2018-04-17 | 2018-04-17 | Device for repairing printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208079513U true CN208079513U (en) | 2018-11-09 |
Family
ID=64041831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820547090.XU Withdrawn - After Issue CN208079513U (en) | 2018-04-17 | 2018-04-17 | Device for repairing printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208079513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110392490A (en) * | 2018-04-17 | 2019-10-29 | 扬朋科技股份有限公司 | For repairing the device and method of printed circuit board |
-
2018
- 2018-04-17 CN CN201820547090.XU patent/CN208079513U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110392490A (en) * | 2018-04-17 | 2019-10-29 | 扬朋科技股份有限公司 | For repairing the device and method of printed circuit board |
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Granted publication date: 20181109 Effective date of abandoning: 20220823 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181109 Effective date of abandoning: 20220823 |
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| AV01 | Patent right actively abandoned |