CN108284274A - A kind of welding temperature closed-loop control type laser tin soldering machine - Google Patents
A kind of welding temperature closed-loop control type laser tin soldering machine Download PDFInfo
- Publication number
- CN108284274A CN108284274A CN201810388315.6A CN201810388315A CN108284274A CN 108284274 A CN108284274 A CN 108284274A CN 201810388315 A CN201810388315 A CN 201810388315A CN 108284274 A CN108284274 A CN 108284274A
- Authority
- CN
- China
- Prior art keywords
- laser
- temperature
- welding
- loop control
- soldering machine
- Prior art date
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Abstract
The present invention relates to laser tin soldering machine fields,More particularly to a kind of welding temperature closed-loop control type laser tin soldering machine,Including temperature control welder,Sense resistance,Data collecting card,PC industrial computers,Laser controlling card and laser,Temperature control welder generates 808 nanometer lasers by laser and welds pcb board workpiece,To the real-time measuring temperature of bump on pcb board workpiece,The temperature signal of measurement is converted to 4 20MA analog signal outputs to the sense resistance,Voltage is generated in sense resistance,The voltage data generated in data collecting card acquisition sense resistance,Voltage data is transmitted to PC industrial computers,PC industrial computers calculate real time temperature according to voltage data,Control the analog quantity that the laser controlling card exports 0 5V,Laser changes laser current size according to the 0 5V analog quantitys received.Compared with prior art, welding temperature closed-loop control type laser tin soldering machine of the invention realizes welding temperature closed-loop control, improves stability, ensures the good quality of production.
Description
【Technical field】
The present invention relates to laser tin soldering machine field, more particularly to a kind of welding temperature closed-loop control type laser tin soldering machine.
【Background technology】
Currently there are soldering tin technique be largely to be welded using soldering iron tin feeding wire, this technique belong to contact weldering
It connects, has stress contact to pcb board, heating surface (area) (HS is big, and heating temperature is high, and weld interval is long, is easily destroyed product, and soldering iron sheet
Body service life is short, high energy consumption, is easily-consumed products, and cannot accomplish fixed point, quantify, timing, be precisely controlled, and with technology
Make constant progress, electronic product integrated level is higher and higher, and volume is smaller and smaller, and many place soldering irons welding cannot make
With.
So laser welding is just come into being, laser welding belongs to non-contact type welding, and unstressed contact, it is by swashing
Light device generates specific pulse laser to carry out the local heating in tiny area to material, then by heat transfer into material
Portion is spread, and forms specific pad, realizes the laser scolding tin to work piece, is completed soldering iron tin feeding wire welding procedure and be cannot achieve
Accurate scolding tin, largely improve the yields of product, but the laser welding time is ultrashort, has to laser power control
Very high requirement, speed of welding and temperature are relatively difficult to control.
Therefore, it is necessary to a kind of new laser tin soldering machine is provided, it is above-mentioned for solving the problems, such as.
【Invention content】
In order to overcome the above problem, the present invention to propose a kind of welding temperature closed-loop control type that can effectively solve the above problems
Laser tin soldering machine.
The present invention solves a kind of technical solution that above-mentioned technical problem provides：A kind of welding temperature closed-loop control type laser
Tin soldering machine, including temperature control welder, sense resistance, data collecting card, PC industrial computers, laser controlling card and laser, institute
It states temperature control welder and the sense resistance is electrically connected, the sense resistance and the data collecting card are electrically connected, institute
It states data collecting card and the PC industrial computers is electrically connected, the PC industrial computers and the laser controlling card are electrically connected,
The laser controlling card and the laser are electrically connected, and the laser and the temperature control welder pass through laser transmission line
Connection, the temperature control welder generate 808 nanometer lasers to weld pcb board workpiece, and to pcb board by the laser
The real-time measuring temperature of bump welded on workpiece, 4-20MA analog signal outputs are converted to by the temperature signal of measurement
To the sense resistance, generate voltage in the sense resistance, the data collecting card acquires to be generated in the sense resistance
Voltage data, and voltage data is transmitted in the PC industrial computers, the PC industrial computers are calculated according to voltage data
Real time temperature controls the analog quantity of the laser controlling card output 0-5V, and the laser is according to the 0-5V analog quantitys received
To change laser current size.
Preferably, the temperature control welder includes ultrahigh speed infrared radiation thermometer, and ultrahigh speed infrared radiation thermometer is used for temperature
Degree signal is converted to digital signal and analog signal.
Preferably, it is equipped with the first echo area below the ultrahigh speed infrared radiation thermometer, the is arranged in first echo area
One reflecting optics, the first reflecting optics are in 45 ° of settings.
Preferably, the temperature control welder includes 808 nanometer laser heads, anchor tip and collimating mirror, and 808 nanometers are swashed
Bare headed lower section is equipped with anchor tip, and collimating mirror is equipped with below the anchor tip, and the anchor tip is received for connecting described 808
Rice laser head and the collimating mirror.
Preferably, it is equipped with laser welding head below the collimating mirror, the laser welding head is internally provided with the second speculum
Piece, the second reflecting optics are in 45 ° of settings.
Preferably, focus lamp is equipped with below the laser welding head, the focus lamp is for focusing laser, the focus lamp
Lower section is equipped with work top, and the work top is for placing pcb board workpiece.
Preferably, first reflecting optics are fixed on the side of the laser welding head, first reflecting optics and
Second reflecting optics are parallel.
Preferably, the sense resistance is highly sensitive 250 Ohmic resistance of high-precision.
Preferably, the ultrahigh speed infrared radiation thermometer includes temperature sensing device, temperature sensing device and the high-precision
Highly sensitive 250 Ohmic resistance is electrically connected.
Compared with prior art, beneficial effects of the present invention are：
By ultrahigh speed infrared radiation thermometer, the temperature of bump when monitoring laser welding in real time, then adjust laser power
Size real-time control bump temperature forms closed-loop control system, improves the stability of system, solve traditional scolding tin effect
The problems such as unstable, rosin joint, scolding tin section be full, mattness, PCB backs saturating tin, improves product UPH, non-defective unit
Rate reaches 99.9%.
【Description of the drawings】
Fig. 1 is the structure diagram of welding temperature closed-loop control type laser tin soldering machine of the present invention；
Fig. 2 is the structural schematic diagram of the temperature control welder of welding temperature closed-loop control type laser tin soldering machine of the present invention.
【Specific implementation mode】
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is only used for explaining the present invention, and do not have to
It is invented in limiting.
It is to be appreciated that in the embodiment of the present invention institute it is directional instruction (such as above, below, the left side, the right side, front, after
Face, the inside, outside, side ...) it is only limitted to the relative position on specified attached drawing rather than absolute position.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.
Refering to Figure 1, the welding temperature closed-loop control type laser tin soldering machine of the present invention, including temperature control welder
100, sense resistance 200, data collecting card 300, PC industrial computers 400, laser controlling card 500 and laser 600, the temperature control
Welder 100 and the sense resistance 200 are electrically connected, and the sense resistance 200 and the data collecting card 300 electrically connect
It connects, the data collecting card 300 and the PC industrial computers 400 are electrically connected, the PC industrial computers 400 and the laser control
Fabrication 500 is electrically connected, and the laser controlling card 500 and the laser 600 are electrically connected, the laser 600 and institute
It states temperature control welder 100 to connect by laser transmission line, the sense resistance 200 is highly sensitive 250 Ohmic resistance of high-precision.
The temperature control welder 100 welds pcb board workpiece by 808 nanometer lasers that the laser 600 generates, and right
The real-time measuring temperature of bump welded on pcb board workpiece, and the temperature signal of measurement is converted to corresponding 4-
20MA analog signal outputs give highly sensitive 250 Ohmic resistance of the high-precision, at this point, the highly sensitive 250 ohm of electricity of the high-precision
Voltage is generated in resistance, the data collecting card 300 acquires the voltage number generated on highly sensitive 250 Ohmic resistance of the high-precision
According to, and voltage data is transmitted in the PC industrial computers 400, the PC industrial computers 400 are calculated according to voltage data
Real time temperature, and the laser controlling card 500 is controlled, the laser controlling card 500 is sent out according to the PC industrial computers 400
The analog quantity of instruction output 0-5V controls the laser 600, the laser 600 by change corresponding laser current come
The size of control output laser power, so cycle repeatedly, form closed-loop control.
It please refers to shown in Fig. 2, the temperature control welder 100 includes ultrahigh speed infrared radiation thermometer 101, the first reflecting optics
102, laser transmission line 103,808 nanometer laser heads 104, anchor tip 105, collimating mirror 106, laser welding head 107, focus lamp
109 and work top 110.The ultrahigh speed infrared radiation thermometer 101 includes temperature sensing device, and the temperature sensing device is used for
Temperature signal is converted to digital signal and analog signal, the ultrahigh speed infrared radiation thermometer 101 further includes display screen, described aobvious
Display screen is for showing that real-time temperature, 101 lower section of the ultrahigh speed infrared radiation thermometer are equipped with the first echo area, first reflection
First reflecting optics 102 are set in area, and the first reflecting optics 102 are in 45 ° of settings, and first reflecting optics 102 are for reflecting
The laser that the ultrahigh speed infrared radiation thermometer 101 is sent out, the laser transmission line 103 are used for transmission laser, the laser transmission
808 nanometer lasers that the laser 600 generates are transferred to 808 nanometer laser heads 104,808 nanometer laser by line 103
First 104 for emitting 808 nanometer lasers, and the 808 nanometer laser head, 104 lower section is equipped with anchor tip 105, and the fixation connects
First 105 lower section is equipped with collimating mirror 106, and the anchor tip 105 is for connecting the 808 nanometer laser head 104 and the standard
Straight mirror 106, amplification of the collimating mirror 106 for 808 nanometer lasers collimate, and 106 lower section of the collimating mirror is equipped with laser welding
First 107, the laser welding head 107 is internally provided with the second reflecting optics (not shown), and the second reflecting optics are in 45 ° of settings, institute
The second reflecting optics are stated for reflecting the laser that the ultrahigh speed infrared radiation thermometer 101 is sent out, second reflecting optics can also
Enough penetrate 808 nanometer lasers so that 808 nanometer lasers can be directed through over from second reflecting optics, described to swash
107 lower section of flush weld connector is equipped with focus lamp 109, and the focus lamp 109 is equipped with for focusing laser, 109 lower section of the focus lamp
Work top 110, the work top 110 can be fixed on described for placing pcb board workpiece, the PCB plates workpiece
On work top 110, moved in 110 horizontal plane of the work top.
First reflecting optics 102 are fixed on the side of the laser welding head 107, first reflecting optics 102
It is parallel with the second reflecting optics in the laser welding head 107.
Highly sensitive 250 Ohmic resistance of temperature sensing device and the high-precision in the ultrahigh speed infrared radiation thermometer 101
It is electrically connected.
The operation principle of the present invention is that:The laser 600 generates 808 nanometer lasers and is passed through the laser transmission line 103
It is defeated by the 808 nanometer laser head 104, the 808 nanometer laser head 104 sends out 808 nanometer lasers and passes through the anchor tip
105 are emitted in the collimating mirror 106, and the collimating mirror 106 is amplified collimation to 808 nanometer lasers, are then sent through described sharp
In flush weld connector 107,808 nanometer lasers are then passed through described in the entrance of second reflecting optics in the laser welding head 107
Focus lamp 109, the focus lamp 109 are focused 808 nanometer lasers, the PCB being then sent through on the work top 110
On plate workpiece, laser welding is carried out to the component on the pcb board workpiece.The ultrahigh speed infrared radiation thermometer 101 is sent out
Go out laser to be reflected on second reflecting optics in the laser welding head 107 through first reflecting optics 102, then
It reflects through second reflecting optics and converges with 808 nanometer lasers, the work top is emitted to across the focus lamp 109
On the pcb board workpiece on 110, the real time temperature of bump when carrying out to detect laser welding with this works as institute
After stating the real time temperature that ultrahigh speed infrared radiation thermometer 101 detects bump when carrying out laser welding, institute will be passed through
State temperature sensing device by current temperature signal be converted to digital signal presentation show real-time temperature on the display screen,
Current temperature signal can be also converted to corresponding 4-20MA analog signal outputs by the temperature sensing device, in analog signal
Highly sensitive 250 Ohmic resistance of a high-precision is accessed in output, it at this time will on highly sensitive 250 Ohmic resistance of the high-precision
Voltage is generated, the voltage number generated on highly sensitive 250 Ohmic resistance of the high-precision is acquired by the data collecting card 300
According to, and collected voltage data is transmitted on the PC industrial computers 400, the PC industrial computers 400 are according to the number
The voltage data supercomputing acquired according to capture card 300 goes out real-time temperature, is then controlled according to the real time temperature that high speed calculates
The laser controlling card 500, after the laser controlling card 500 receives the instruction that the PC industrial computers 400 are sent out, then it is defeated
Go out the analog quantity of 0-5V to control the laser 600, the laser 600 changes sharp according to the 0-5V analog quantitys received
Photoelectric current size, to control the size of 808 nanometer laser power of output, bump is changed by 808 nanometer laser watt levels
Become, temperature is made to generate corresponding variation, so cycle repeatedly, forms closed-loop control.
Compared with prior art, beneficial effects of the present invention are：
By ultrahigh speed infrared radiation thermometer, the temperature of bump when monitoring laser welding in real time, then adjust laser power
Size real-time control bump temperature forms closed-loop control system, improves the stability of system, solve traditional scolding tin effect
The problems such as unstable, rosin joint, scolding tin section be full, mattness, PCB backs saturating tin, improves product UPH, non-defective unit
Rate reaches 99.9%.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the scope of the invention, every at this
Any modification made by within the design of invention, equivalent replacement and improvement etc. should be included in the scope of patent protection of the present invention
It is interior.
Claims (9)
1. a kind of welding temperature closed-loop control type laser tin soldering machine, which is characterized in that including temperature control welder, sense resistance,
Data collecting card, PC industrial computers, laser controlling card and laser, the temperature control welder and the sense resistance electrically connect
It connects, the sense resistance and the data collecting card are electrically connected, and the data collecting card and the PC industrial computers electrically connect
It connecing, the PC industrial computers and the laser controlling card are electrically connected, and the laser controlling card and the laser are electrically connected,
The laser is connected with the temperature control welder by laser transmission line, and the temperature control welder passes through the laser
808 nanometer lasers are generated to weld pcb board workpiece, and temperature is measured in real time to the bump welded on pcb board workpiece
The temperature signal of measurement is converted to 4-20MA analog signal outputs and is generated to the sense resistance, in the sense resistance by degree
Voltage, the data collecting card acquires the voltage data generated in the sense resistance, and voltage data is transmitted to the PC
In industrial computer, the PC industrial computers calculate real time temperature according to voltage data, control the laser controlling card output 0-
The analog quantity of 5V, the laser change laser current size according to the 0-5V analog quantitys received.
2. welding temperature closed-loop control type laser tin soldering machine as described in claim 1, which is characterized in that the temperature control welding dress
It sets including ultrahigh speed infrared radiation thermometer, temperature signal is used to be converted to digital signal for ultrahigh speed infrared radiation thermometer and simulation is believed
Number.
3. welding temperature closed-loop control type laser tin soldering machine as claimed in claim 2, which is characterized in that the ultrahigh speed is infrared
It is equipped with the first echo area below temperature measurer, the first reflecting optics are set in first echo area, the first reflecting optics are set in 45 °
It sets.
4. welding temperature closed-loop control type laser tin soldering machine as claimed in claim 3, which is characterized in that the temperature control welding dress
It sets including 808 nanometer laser heads, anchor tip and collimating mirror, 808 nanometer laser heads lower sections are equipped with anchor tip, and the fixation connects
Head lower section is equipped with collimating mirror, and the anchor tip is for connecting the 808 nanometer laser head and the collimating mirror.
5. welding temperature closed-loop control type laser tin soldering machine as claimed in claim 4, which is characterized in that below the collimating mirror
Equipped with laser welding head, the laser welding head is internally provided with the second reflecting optics, and the second reflecting optics are in 45 ° of settings.
6. welding temperature closed-loop control type laser tin soldering machine as claimed in claim 5, which is characterized in that the laser welding head
Lower section is equipped with focus lamp, and the focus lamp is equipped with work top, the work top for focusing laser below the focus lamp
For placing pcb board workpiece.
7. welding temperature closed-loop control type laser tin soldering machine as claimed in claim 5, which is characterized in that first speculum
Piece is fixed on the side of the laser welding head, and first reflecting optics are parallel with second reflecting optics.
8. welding temperature closed-loop control type laser tin soldering machine as claimed in claim 2, which is characterized in that the sense resistance is
Highly sensitive 250 Ohmic resistance in high precision.
9. welding temperature closed-loop control type laser tin soldering machine as claimed in claim 8, which is characterized in that the ultrahigh speed is infrared
Temperature measurer includes temperature sensing device, and temperature sensing device and highly sensitive 250 Ohmic resistance of the high-precision are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810388315.6A CN108284274A (en) | 2018-04-26 | 2018-04-26 | A kind of welding temperature closed-loop control type laser tin soldering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810388315.6A CN108284274A (en) | 2018-04-26 | 2018-04-26 | A kind of welding temperature closed-loop control type laser tin soldering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108284274A true CN108284274A (en) | 2018-07-17 |
Family
ID=62834796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810388315.6A Pending CN108284274A (en) | 2018-04-26 | 2018-04-26 | A kind of welding temperature closed-loop control type laser tin soldering machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN108284274A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873985A (en) * | 2018-08-06 | 2018-11-23 | 武汉博联特科技有限公司 | A kind of temprature control method and system of laser soldering |
| CN111715999A (en) * | 2020-05-28 | 2020-09-29 | 南昌欧菲显示科技有限公司 | Semiconductor device soldering apparatus and semiconductor device soldering method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774090A (en) * | 2009-12-25 | 2010-07-14 | 武汉凌云光电科技有限责任公司 | High-power semiconductor laser constant-temperature welding device |
| CN102023614A (en) * | 2010-10-08 | 2011-04-20 | 深圳市大族激光科技股份有限公司 | Laser welding device |
| CN202528467U (en) * | 2012-02-14 | 2012-11-14 | 沈阳新松机器人自动化股份有限公司 | Laser plastic welding device |
| CN102825385A (en) * | 2012-09-18 | 2012-12-19 | 张俊敏 | Non-contact temperature monitoring device for laser welding |
| CN203566033U (en) * | 2013-10-21 | 2014-04-30 | 武汉市楚源光电有限公司 | Automatic laser tin soldering machine |
| JP2016016449A (en) * | 2014-07-11 | 2016-02-01 | 日本特殊陶業株式会社 | Laser processing machine, control method for the same, and manufacturing method of spark plug |
| CN206047346U (en) * | 2016-08-31 | 2017-03-29 | 深圳市艾尔摩迪精密科技有限公司 | Based on laser welding weld point temperature real time monitoring apparatus |
| CN206200362U (en) * | 2016-11-08 | 2017-05-31 | 无锡科技职业学院 | A kind of laser soldering device for improving weldquality difference |
| CN107598376A (en) * | 2017-10-19 | 2018-01-19 | 广东正业科技股份有限公司 | A kind of circuit board laser welding system |
-
2018
- 2018-04-26 CN CN201810388315.6A patent/CN108284274A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774090A (en) * | 2009-12-25 | 2010-07-14 | 武汉凌云光电科技有限责任公司 | High-power semiconductor laser constant-temperature welding device |
| CN102023614A (en) * | 2010-10-08 | 2011-04-20 | 深圳市大族激光科技股份有限公司 | Laser welding device |
| CN202528467U (en) * | 2012-02-14 | 2012-11-14 | 沈阳新松机器人自动化股份有限公司 | Laser plastic welding device |
| CN102825385A (en) * | 2012-09-18 | 2012-12-19 | 张俊敏 | Non-contact temperature monitoring device for laser welding |
| CN203566033U (en) * | 2013-10-21 | 2014-04-30 | 武汉市楚源光电有限公司 | Automatic laser tin soldering machine |
| JP2016016449A (en) * | 2014-07-11 | 2016-02-01 | 日本特殊陶業株式会社 | Laser processing machine, control method for the same, and manufacturing method of spark plug |
| CN206047346U (en) * | 2016-08-31 | 2017-03-29 | 深圳市艾尔摩迪精密科技有限公司 | Based on laser welding weld point temperature real time monitoring apparatus |
| CN206200362U (en) * | 2016-11-08 | 2017-05-31 | 无锡科技职业学院 | A kind of laser soldering device for improving weldquality difference |
| CN107598376A (en) * | 2017-10-19 | 2018-01-19 | 广东正业科技股份有限公司 | A kind of circuit board laser welding system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873985A (en) * | 2018-08-06 | 2018-11-23 | 武汉博联特科技有限公司 | A kind of temprature control method and system of laser soldering |
| CN111715999A (en) * | 2020-05-28 | 2020-09-29 | 南昌欧菲显示科技有限公司 | Semiconductor device soldering apparatus and semiconductor device soldering method |
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Application publication date: 20180717 |
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