CN107607592A - Soldering reliability method of testing and equipment - Google Patents
Soldering reliability method of testing and equipment Download PDFInfo
- Publication number
- CN107607592A CN107607592A CN201710936938.8A CN201710936938A CN107607592A CN 107607592 A CN107607592 A CN 107607592A CN 201710936938 A CN201710936938 A CN 201710936938A CN 107607592 A CN107607592 A CN 107607592A
- Authority
- CN
- China
- Prior art keywords
- weldment
- test
- soldering reliability
- module
- resistance
- 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.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention relates to a kind of soldering reliability method of testing, comprise the following steps：S1. the resistance for recording qualified weldment is tested and records to form database, and the threshold value (gaussian distribution table) of corresponding qualified weldment is formed according to database；S2. weldment to be tested is subjected to constant temperature processing；S3. the point for choosing corresponding soldered both sides accesses power supply for test point, detects electric current I in the loop, voltage U, resistance Rx, Rx=U/I between drawing at this 2 points by the relation between voltage U and electric current I；It is simple in construction, cost is low, easy to detect, efficiency high without judging the reliability of solder joint by the experiment of the physical damages such as pulling force, tested suitable for large-scale production soldering reliability.
Description
Technical field
The present invention relates to pad quality testing, and in particular to a kind of soldering reliability method of testing and equipment.
Background technology
Welding technique is that occur with the application of metal, in actual production, because production is needed to some metals
Element is welded to reach production purpose, and in some special dimensions, welding quality requires higher, but because weldment is not easy
Carry out Welding quality test, conventional detection method is by being stretched into line quality monitoring, but the equipment that extension test needs is made
Valency is higher, and operation difficulty is larger, and detection efficiency is relatively low.
The content of the invention
In order to solve the above problems, there is provided it is a kind of simple in construction, it is easy to operate, there is the new detection compared with high detection efficiency
Equipment, the present invention devise a kind of soldering reliability method of testing and equipment.
The concrete technical scheme taken of the present invention is：A kind of soldering reliability method of testing, comprises the following steps：
S1. the resistance for recording qualified weldment is tested and records to form database, and corresponding conjunction is formed according to database
The threshold value (gaussian distribution table) of lattice weldment；
S2. weldment to be tested is subjected to constant temperature processing；
S3. the point for choosing corresponding soldered both sides accesses power supply for test point, detects electric current I in the loop, voltage U, leads to
Resistance Rx, Rx=U/I between relation between overvoltage U and electric current I draws at this 2 points；
S4. effective contact resistance Rdc of solder side is calculated out by physical equation, specific physical equation is：
α：Milliohmmeter tests coefficient；
β：Metal internal resistance rate temperature coefficient；
Ru：The resistance that the weldment to be measured is recorded in national standard metal inquiry table；
S5. the resistance value Rdc tested out and threshold value are subjected to contrast and draw test result.
Preferably, qualified weldment threshold value (gaussian distribution table) is formed by DRE/DRM analytic approach.
Further, in step S2, tested in thermostatic chamber.
Further, in step S5, change test point and carry out the effective contact resistance Rdc of weldment to be measured at least twice,
Average, the average value and threshold value (gaussian distribution table) are contrasted.
A kind of soldering reliability test equipment, including test side and computing end, test side or display end are correspondingly connected to fortune
End is calculated, the test side includes：
For providing the power module of electric current to test loop；
For the acquisition module being acquired to voltage or current information；
For acquisition module collection information to be carried out into data conversion and transmitted to the data conversion module at computing end；
Computing end is server, including：
For inputting the test input module of weldment material information to be measured；
For the arithmetic center calculated the effective contact resistance of weldment to be measured；
The memory module stored for the threshold value (gaussian distribution table) to qualified weldment；
For effective contact resistance that arithmetic center is drawn to be carried out with corresponding to threshold value (gaussian distribution table) in memory module
The comparing module of comparison；
Display module for display comparison result.
Preferably, the display module is display screen.
Further, test side includes：The power consumption module being serially connected in test loop.
Further, the power consumption module is electric light or resistance.
Further, test side sampling end is connected to weldment weld seam both sides to be measured, the connector by connector
Including conductive pole and the adsorption sleeve being socketed on conductive pole, the first defining flange, adsorption sleeve rear end are provided with the middle part of the conductive pole
The second defining flange provided with corresponding first defining flange, is provided with spring between the first defining flange and the second defining flange.
Further, adsorption sleeve is that magnetic material or its front end scribble adhesive glue.
Advantageous effects：Without judging the reliability of solder joint, simple in construction, cost by the experiment of the physical damages such as pulling force
Low, easy to detect, efficiency high, suitable for large-scale production soldering reliability test.
Brief description of the drawings
Fig. 1 is this device structure sketch；
Fig. 2 is connecting-piece structure sketch.
Marginal data：
Connector 1
Wire 2
Computing end 3
Display screen 4
Adsorption sleeve 101
Conductive pole 102
Spring 103
Embodiment
A kind of soldering reliability method of testing of embodiment one, comprises the following steps：
S1. the resistance for recording qualified weldment is tested and records to form database, and corresponding conjunction is formed according to database
The threshold value (gaussian distribution table) of lattice weldment；
S2. weldment to be tested is subjected to constant temperature processing；
S3. the point for choosing corresponding soldered both sides accesses power supply for test point, detects electric current I in the loop, voltage U, leads to
Resistance Rx, Rx=U/I between relation between overvoltage U and electric current I draws at this 2 points；
S4. effective contact resistance Rdc of solder side is calculated out by physical equation, specific physical equation is：
α：Milliohmmeter tests coefficient；
β：Metal internal resistance rate temperature coefficient；
Ru：The resistance that the weldment to be measured is recorded in national standard metal inquiry table；
S5. the resistance value Rdc tested out and threshold value are subjected to contrast and draw test result.
The resistance of qualified products is recorded, threshold value (gaussian distribution table) is formed, the welding matter at this is judged according to result of calculation
Amount whether there is defect, is not directed through tester and measures contact resistance, simple in construction, cost is low, easy to detect, efficiency
Height, suitable for large-scale production soldering reliability test.
A kind of soldering reliability method of testing of embodiment two, the present embodiment and embodiment one are essentially identical, difference
It is, qualified weldment threshold value (gaussian distribution table) is formed by DRE/DRM analytic approach；Tested in thermostatic chamber；Step
In S5, change test point and carry out the effective contact resistance Rdc of weldment to be measured at least twice, average, by the average value and threshold
Value (gaussian distribution table) is contrasted.
Tested in thermostatic chamber, can ensure that test is not affected by temperature, ensure measuring accuracy, repeatedly test asks flat
Average, measuring accuracy is improved by average value, ensures the accuracy of test result.
A kind of soldering reliability test equipment of embodiment three, referring to Fig. 1-2：Including test side and computing end 3, test side
Or display end is correspondingly connected to computing end 3, the test side includes：
For providing the power module of electric current to test loop；
For the acquisition module being acquired to voltage or current information；
For acquisition module collection information to be carried out into data conversion and transmitted to the data conversion module at computing end 3；
Computing end 3 is server, including：
For inputting the test input module of weldment material information to be measured；
For the arithmetic center calculated the effective contact resistance of weldment to be measured；
The memory module stored for the threshold value (gaussian distribution table) to qualified weldment；
For effective contact resistance that arithmetic center is drawn to be carried out with corresponding to threshold value (gaussian distribution table) in memory module
The comparing module of comparison；
Display module for display comparison result.
Input module is tested computing end 3 first to carry out testing default, selection and weldment phase same material to be measured or species,
The sampling end of test side two is contradicted in weld seam both sides respectively, voltage x current in loop is detected by accessing electric current, will be examined
The information of survey sends to computing end 3, arithmetic center and the effective contact resistance for alleviating part is drawn by special operational pattern, then
Comparing module is according to the presupposed information of test input module by the threshold value (normal distribution in effective contact resistance and memory module
Table) it is compared, draw final result by comparing.
Judge that the welding quality at this whether there is defect according to result of calculation, be not directed through tester measurement contact
Resistance, it is simple in construction, cost is low, easy to detect, efficiency high, suitable for large-scale production soldering reliability test.
A kind of soldering reliability method of testing of example IV, referring to Fig. 1-2：The present embodiment and three basic phase of embodiment
Together, difference is, the display module is display screen 4；Test side includes：The power consumption module being serially connected in test loop；
The power consumption module is electric light or resistance；Test side sampling end is connected to weldment weld seam both sides to be measured by connector 1, described
Connector 1 includes conductive pole 102 and the adsorption sleeve 101 being socketed on conductive pole 102, and the middle part of conductive pole 102 is provided with first
Defining flange, the rear end of adsorption sleeve 101 are provided with the second defining flange of corresponding first defining flange, the first defining flange and the second limit
Spring 103 is provided between the flange of position；Adsorption sleeve 101 is magnetic material or its front end scribbles adhesive glue, the end of wire 2 of sampling end
End is corresponding to be connected on conductive pole 102.
Display screen 4 is set, comparing result is shown, while is used to show presupposed information in test input module；If
Power consumption module is put, avoids power supply short circuit；Connector 1 is set, by the magnetic absorption of adsorption sleeve 101 weldment test point to be measured or
Person is bonded in test point by adhesive glue；After adsorption sleeve 101 adsorbs weldment to be measured, the second defining flange is squeezed by spring 103
The first defining flange is pressed so as to drive conductive pole 102 to contradict weldment to be measured, ensures electric conductivity, at the same it is simple in construction, improve and survey
The convenience of examination.
Claims (10)
1. a kind of soldering reliability method of testing, it is characterised in that comprise the following steps：
S1：The resistance for recording qualified weldment is tested and records to form database, and corresponding qualified weldering is formed according to database
The threshold value (gaussian distribution table) of fitting；
S2：Weldment to be tested is subjected to constant temperature processing；
S3：The point for choosing corresponding soldered both sides accesses power supply for test point, detects electric current I in the loop, voltage U, passes through electricity
Resistance Rx, Rx=U/I between relation between pressure U and electric current I draws at this 2 points；
S4：Effective contact resistance Rdc of solder side is calculated by physical equation, specific physical equation is：
<mrow>
<mi>R</mi>
<mi>d</mi>
<mi>c</mi>
<mo>=</mo>
<mfrac>
<mi>U</mi>
<mi>I</mi>
</mfrac>
<mo>+</mo>
<mi>&alpha;</mi>
<mi>R</mi>
<mi>o</mi>
<mo>+</mo>
<mi>&beta;</mi>
<mi>R</mi>
<mi>u</mi>
</mrow>
α：Milliohmmeter tests coefficient；
β：Metal internal resistance rate temperature coefficient；
Ru：The resistance that the weldment to be measured is recorded in national standard metal inquiry table；
S5：The resistance value Rdc tested out and threshold value are subjected to contrast and draw test result.
2. soldering reliability method of testing according to claim 1, it is characterised in that in step S1, pass through DRE/DRM points
Analysis method forms qualified weldment threshold value (gaussian distribution table).
3. soldering reliability method of testing according to claim 1, it is characterised in that in step S2, enter in thermostatic chamber
Row test.
4. soldering reliability method of testing according to claim 1, it is characterised in that in step S5, change test and click through
The row effective contact resistance Rdc of weldment to be measured at least twice, is averaged, and the average value and threshold value (gaussian distribution table) are carried out
Contrast.
5. a kind of soldering reliability test equipment, including test side and computing end, it is characterised in that test side or display end are corresponding
Computing end is connected to, the test side includes：
For providing the power module of electric current to test loop；
For the acquisition module being acquired to voltage or current information；
For acquisition module collection information to be carried out into data conversion and transmitted to the data conversion module at computing end；
Computing end is server, including：
For inputting the test input module of weldment material information to be measured；
For the arithmetic center calculated the effective contact resistance of weldment to be measured；
The memory module stored for the threshold value (gaussian distribution table) to qualified weldment；
For effective contact resistance that arithmetic center is drawn to be compared with corresponding to threshold value (gaussian distribution table) in memory module
Comparing module；
Display module for display comparison result.
6. soldering reliability test equipment according to claim 5, it is characterised in that the display module is display screen.
7. soldering reliability test equipment according to claim 5, it is characterised in that test side includes：It is serially connected in test
Power consumption module in loop.
8. soldering reliability test equipment according to claim 7, it is characterised in that the power consumption module is electric light or electricity
Resistance.
9. soldering reliability test equipment according to claim 5, it is characterised in that test side sampling end passes through connector
Weldment weld seam both sides to be measured are connected to, the connector includes conductive pole and the adsorption sleeve being socketed on conductive pole, described to lead
The first defining flange is provided with the middle part of electric post, adsorption sleeve rear end is provided with the second defining flange of corresponding first defining flange, the first limit
Spring is provided between position flange and the second defining flange.
10. soldering reliability test equipment according to claim 9, it is characterised in that adsorption sleeve be magnetic material or
Its front end scribbles adhesive glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936938.8A CN107607592A (en) | 2017-10-10 | 2017-10-10 | Soldering reliability method of testing and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936938.8A CN107607592A (en) | 2017-10-10 | 2017-10-10 | Soldering reliability method of testing and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107607592A true CN107607592A (en) | 2018-01-19 |
Family
ID=61067684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710936938.8A Pending CN107607592A (en) | 2017-10-10 | 2017-10-10 | Soldering reliability method of testing and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107607592A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462112A (en) * | 2018-09-27 | 2019-03-12 | 珠海格力电器股份有限公司 | Connecting terminal processing method, processing unit and switching device |
| CN109765271A (en) * | 2018-12-30 | 2019-05-17 | 河海大学 | Judge the devices and methods therefor of metal fatigue crackle hammering closure |
| CN109813765A (en) * | 2018-12-27 | 2019-05-28 | 合肥国轩高科动力能源有限公司 | A kind of method that the group welding of lithium ion mould detects rosin joint in the process |
| CN110006953A (en) * | 2019-02-28 | 2019-07-12 | 重庆金康动力新能源有限公司 | Rosin joint detection method, system, device, computer equipment and readable storage medium storing program for executing |
| WO2020087519A1 (en) * | 2018-11-02 | 2020-05-07 | 大族激光科技产业集团股份有限公司 | Quality test device, method, and system, and integrated probe assembly |
| CN111398868A (en) * | 2020-04-17 | 2020-07-10 | Oppo（重庆）智能科技有限公司 | Detection method for detecting connection reliability of welding spots |
| CN111468828A (en) * | 2020-04-10 | 2020-07-31 | Oppo（重庆）智能科技有限公司 | Welding equipment and welding detection method |
| CN111693573A (en) * | 2020-05-12 | 2020-09-22 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Battery tab welding quality evaluation method and device |
| CN112033473A (en) * | 2020-09-15 | 2020-12-04 | 中车株洲电力机车研究所有限公司 | Combined evaluation test method for welding reliability of electronic component |
| CN113063824A (en) * | 2021-03-12 | 2021-07-02 | 天津市捷威动力工业有限公司 | Method for monitoring welding quality of laser welding |
| EP4032655A4 (en) * | 2020-02-26 | 2022-12-07 | Lg Energy Solution, Ltd. | Welding failure inspection method |
| US12025578B2 (en) | 2020-02-26 | 2024-07-02 | Lg Energy Solution, Ltd. | Welding failure inspection method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6208146B1 (en) * | 1999-02-08 | 2001-03-27 | General Motors Corporation | Method and apparatus for measuring contact resistance for spot welding simulations |
| CN101533046A (en) * | 2008-03-14 | 2009-09-16 | 宝山钢铁股份有限公司 | Method for measuring constriction resistance of sheet spot-welding |
| CN103376278A (en) * | 2012-04-27 | 2013-10-30 | 协鑫动力新材料（盐城）有限公司 | Method for detecting welding firmness of lithium ion battery tab |
| CN104730109A (en) * | 2015-02-28 | 2015-06-24 | 重庆理工大学 | Test method for welding spot quality of resistance spot welding based on dynamic resistance curve |
| CN105181757A (en) * | 2015-10-12 | 2015-12-23 | 上海电机学院 | Detection device and method for copper-aluminum friction-stir welding firmness |
| CN105607007A (en) * | 2015-12-23 | 2016-05-25 | 国联汽车动力电池研究院有限责任公司 | Battery system electric connection reliability detection method |
| CN106324519A (en) * | 2016-08-31 | 2017-01-11 | 中航锂电（洛阳）有限公司 | Test method of connection reliability of battery system |
| CN107167700A (en) * | 2017-06-28 | 2017-09-15 | 深圳市拓科智能科技有限公司 | The welding spot reliability method of testing and its test device of a kind of battery |
-
2017
- 2017-10-10 CN CN201710936938.8A patent/CN107607592A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6208146B1 (en) * | 1999-02-08 | 2001-03-27 | General Motors Corporation | Method and apparatus for measuring contact resistance for spot welding simulations |
| CN101533046A (en) * | 2008-03-14 | 2009-09-16 | 宝山钢铁股份有限公司 | Method for measuring constriction resistance of sheet spot-welding |
| CN103376278A (en) * | 2012-04-27 | 2013-10-30 | 协鑫动力新材料（盐城）有限公司 | Method for detecting welding firmness of lithium ion battery tab |
| CN104730109A (en) * | 2015-02-28 | 2015-06-24 | 重庆理工大学 | Test method for welding spot quality of resistance spot welding based on dynamic resistance curve |
| CN105181757A (en) * | 2015-10-12 | 2015-12-23 | 上海电机学院 | Detection device and method for copper-aluminum friction-stir welding firmness |
| CN105607007A (en) * | 2015-12-23 | 2016-05-25 | 国联汽车动力电池研究院有限责任公司 | Battery system electric connection reliability detection method |
| CN106324519A (en) * | 2016-08-31 | 2017-01-11 | 中航锂电（洛阳）有限公司 | Test method of connection reliability of battery system |
| CN107167700A (en) * | 2017-06-28 | 2017-09-15 | 深圳市拓科智能科技有限公司 | The welding spot reliability method of testing and its test device of a kind of battery |
Non-Patent Citations (2)
| Title |
|---|
| 芮静康主编: "《袖珍电工材料手册》", 29 February 2004, 中国建筑工业出版社, pages: 272 - 282 * |
| 郁中太 等: "模拟电阻焊状态的接触电阻测量系统", 《上海交通大学学报》, vol. 42, 30 November 2008 (2008-11-30), pages 168 - 171 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462112A (en) * | 2018-09-27 | 2019-03-12 | 珠海格力电器股份有限公司 | Connecting terminal processing method, processing unit and switching device |
| US11307160B2 (en) | 2018-11-02 | 2022-04-19 | Han's Laser Technology Industry Group Co., Ltd | Quality detection device, quality detection method, and integrated probe assembly |
| WO2020087519A1 (en) * | 2018-11-02 | 2020-05-07 | 大族激光科技产业集团股份有限公司 | Quality test device, method, and system, and integrated probe assembly |
| CN109813765A (en) * | 2018-12-27 | 2019-05-28 | 合肥国轩高科动力能源有限公司 | A kind of method that the group welding of lithium ion mould detects rosin joint in the process |
| CN109765271A (en) * | 2018-12-30 | 2019-05-17 | 河海大学 | Judge the devices and methods therefor of metal fatigue crackle hammering closure |
| CN109765271B (en) * | 2018-12-30 | 2021-09-07 | 河海大学 | Device and method for judging hammering closing of metal fatigue crack |
| CN110006953A (en) * | 2019-02-28 | 2019-07-12 | 重庆金康动力新能源有限公司 | Rosin joint detection method, system, device, computer equipment and readable storage medium storing program for executing |
| US12025578B2 (en) | 2020-02-26 | 2024-07-02 | Lg Energy Solution, Ltd. | Welding failure inspection method |
| JP7479465B2 (en) | 2020-02-26 | 2024-05-08 | エルジー エナジー ソリューション リミテッド | How to inspect for welding defects |
| JP2023500225A (en) * | 2020-02-26 | 2023-01-05 | エルジー エナジー ソリューション リミテッド | Welding defect inspection method |
| EP4032655A4 (en) * | 2020-02-26 | 2022-12-07 | Lg Energy Solution, Ltd. | Welding failure inspection method |
| CN111468828B (en) * | 2020-04-10 | 2022-08-30 | Oppo（重庆）智能科技有限公司 | Welding equipment and welding detection method |
| CN111468828A (en) * | 2020-04-10 | 2020-07-31 | Oppo（重庆）智能科技有限公司 | Welding equipment and welding detection method |
| CN111398868A (en) * | 2020-04-17 | 2020-07-10 | Oppo（重庆）智能科技有限公司 | Detection method for detecting connection reliability of welding spots |
| CN111693573A (en) * | 2020-05-12 | 2020-09-22 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Battery tab welding quality evaluation method and device |
| CN112033473A (en) * | 2020-09-15 | 2020-12-04 | 中车株洲电力机车研究所有限公司 | Combined evaluation test method for welding reliability of electronic component |
| CN113063824A (en) * | 2021-03-12 | 2021-07-02 | 天津市捷威动力工业有限公司 | Method for monitoring welding quality of laser welding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107607592A (en) | Soldering reliability method of testing and equipment | |
| CN102187447B (en) | Method for inspecting electrostatic chuck, and electrostatic chuck apparatus | |
| CN105149762A (en) | Resistance spot welding quality evaluation device | |
| CN208921749U (en) | A kind of test bench of chip | |
| CN107167700A (en) | The welding spot reliability method of testing and its test device of a kind of battery | |
| TW201516994A (en) | System and method for identifying factory source of display panel and the display panel | |
| CN103675459A (en) | Method for measuring conductor resistance in integrated circuit | |
| CN102692524B (en) | A kind of nano thermoelectric seebeck coefficient in-situ quantitative characterization device based on atomic force microscope | |
| CN103675454A (en) | Resistor testing apparatus | |
| CN103149252A (en) | Resistance-type steel bridge fatigue crack detection device | |
| CN104749439B (en) | A kind of powder metallurgy sintered alloy sample conductivity measurement system and method | |
| CN106370932A (en) | Thin silicon wafer resistivity test method and thin silicon wafer resistivity test system based on pseudo measurement method | |
| CN104764909B (en) | Convenient chip test base available for extremely low temperature measurement | |
| CN102680516B (en) | A kind of device for high energy beam current composite welding thermal cycle test | |
| CN108627701A (en) | Resistance measurement system and resistance measuring equipment | |
| CN111289596A (en) | Three-electrode system, electrochemical sensor and preparation method thereof, electrochemical workstation and application thereof | |
| CN105181757A (en) | Detection device and method for copper-aluminum friction-stir welding firmness | |
| CN103852642A (en) | Method for detecting electrical conductivity of small number of solids | |
| CN114527177B (en) | Liquid metal gas-liquid two-phase flow cross section instantaneous void fraction distribution imaging system | |
| CN203444010U (en) | Detection tooling for single-phase intelligent electric meter circuit board | |
| CN105115885B (en) | A kind of portable ground net corrosion condition monitoring system and monitoring method | |
| CN103175870A (en) | Fast detection device for waste cooking oil and detection method of device | |
| CN108711393A (en) | A kind of incell products silver paste continuity test method | |
| CN106940412B (en) | System for quick capacitance polarity measurement | |
| CN204142691U (en) | A kind of trace susceptibility detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |
|
| RJ01 | Rejection of invention patent application after publication |