CN104347447B - A kind of method of testing of EVA crosslinking rate - Google Patents
A kind of method of testing of EVA crosslinking rate Download PDFInfo
- Publication number
- CN104347447B CN104347447B CN201410467898.3A CN201410467898A CN104347447B CN 104347447 B CN104347447 B CN 104347447B CN 201410467898 A CN201410467898 A CN 201410467898A CN 104347447 B CN104347447 B CN 104347447B
- Authority
- CN
- China
- Prior art keywords
- eva
- sample
- mesh bag
- sample sets
- crosslinking rate
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention discloses a kind of method of testing of EVA crosslinking rate, and the EVA of same specification is divided into two identical sample sets, and the first sample sets adopt chemical method to test crosslinking rate, and the second sample sets are used for testing mechanical property；Obtain the one-to-one relationship of crosslinking rate and mechanical property parameters under this specification EVA difference lamination；Record and the mechanical property parameters after the EVA product lamination to be measured of the same specification of above-mentioned EVA sample, and the mechanical property parameters of gained are compared with above-mentioned corresponding relation, you can obtain the crosslinked rate score of EVA product to be measured.The method of testing of the EVA crosslinking rate being provided using the present invention, can quickly and efficiently detect EVA crosslinking rate, it is to avoid tester's Long contact time dimethylbenzene toxic gas, reduce environmental pollution, and equipment is simple, it is easy to accomplish.
Description
Technical field
The present invention relates to manufacture of solar cells technical field, particularly to a kind of method of testing of EVA crosslinking rate.
Background technology
In existing solar module manufacture process, typically by backboard, EVA, the solar energy being connected by welding
Battery strings, EVA, face glass lay from the bottom to top, then obtain solar module through laminating technology.EVA adhesive film rises
The effect being adhesively fixed and sealing, therefore, EVA adhesive film must have good ageing resistance and higher mechanical strength.
EVA crosslinking rate is the important measurement index of EVA performance, and current photovoltaic mostly adopts in the industry the method for xylene extraction to detect EVA
Crosslinking rate, dimethylbenzene has certain toxicity to human body and can cause the pollution of environment, and detection process needs long-time heating,
Time-consuming longer.Patent CN103608669A discloses a kind of common using differential thermometric analysiss characterized by techniques ethylene and vinyl acetate
Polymers（EVA）Method, this method testing cost is more costly and time consuming also longer；Patent CN103795342A discloses one kind and adopts sound
Ripple detects the apparatus and method of the EVA degree of cross linking, but the method is easily affected by solar module other parts.
Therefore, it is necessary to provide a kind of method of testing of new EVA crosslinking rate.
Content of the invention
Present invention aim at providing a kind of method of testing of new EVA crosslinking rate, can quickly and efficiently detect that EVA hands over
Connection rate, it is to avoid tester's Long contact time dimethylbenzene toxic gas, reduces environmental pollution, and equipment is simple, it is easy to accomplish.
For achieving the above object, the present invention provides a kind of method of testing of new EVA crosslinking rate, walks including following
Suddenly：
S1：The EVA sample of same specification is divided into two identical sample sets, be individually identified as the first sample sets,
Second sample sets, described first sample sets are corresponding from the second sample sets to include the EVA sample that some different lamination obtain；
S2：Crosslinking rate test is carried out using chemical method to the sample of the first sample sets, obtains different layers in the first sample sets
The crosslinking rate data of press strip part corresponding EVA sample, wherein, described chemical method specifically includes：
One mesh bag is provided, and obtains this mesh bag quality for W1；
Take the EVA sample in the first sample sets and after being cut into granule of uniform size, put into described mesh bag, obtain mesh bag
Gross mass with EVA sample is W2；
The mesh bag that will be equipped with sample is immersed in heating extraction in extraction solution, after the completion of mesh bag is placed in flask cooling；
Take out mesh bag to be dried, obtain dried mesh bag quality W3；
Obtain the crosslinked rate score of this EVA sample using formula [1- (W2-W3)/(W2-W1)] * 100%；
S3：Mechanics Performance Testing is carried out to the sample of the second sample sets, obtains different lamination pair in the second sample sets
The mechanical property parameters of the EVA sample answered；
S4：Obtain the one-to-one corresponding of crosslinking rate under different lamination for this specification EVA sample and mechanical property parameters
Relation；
S5：Obtain the EVA product to be measured with the same specification of above-mentioned EVA sample, and mechanical property is carried out to described EVA product
Test is to obtain mechanical property parameters；
S6：The corresponding relation that the lamination of EVA product to be measured in S5 and mechanical property parameters are obtained with S4 is compared
Right, you can to obtain the crosslinked rate score of EVA product to be measured.
As a further improvement on the present invention, S4 step also includes data being entered in coordinate axess according to described corresponding relation
Row matching obtains continuous matched curve, and the crosslinked rate score of the EVA product to be measured wherein in S6 step is specially according to this plan
Close curve acquisition.
As a further improvement on the present invention, S2 step is additionally included in heating extraction process, is heated to extracting solution boiling
Rise, extraction solution back-flow velocity is more than 40 droplets/point, insulation extraction 3 hours, after the completion of mesh bag is placed in flask cooling；
Take out mesh bag and air-dry ten minutes to half an hour, then mesh bag is placed in baking 1 hour in drying baker, drying baker temperature sets
Be set to 120 degree, after again by mesh bag put into equipped with the desiccant of variable color silica gel be dried 15 minutes, complete drying.
As a further improvement on the present invention, described extraction solution includes dimethylbenzene, 2,6 ditertiary butyl p cresol.
As a further improvement on the present invention, the axis of ordinates of described matched curve is the crosslinking rate of EVA sample.
As a further improvement on the present invention, the abscissa of described matched curve is the stretch moduluses of EVA sample.
As a further improvement on the present invention, on the axis of abscissas of described matched curve, a certain coordinate figure only corresponds to a plan
Close the point on curve, and single ordinate value is obtained by the point in matched curve.
The invention has the beneficial effects as follows：The method of testing of the EVA crosslinking rate that the present invention provides, can quickly and efficiently detect
EVA crosslinking rate, it is to avoid tester's Long contact time dimethylbenzene toxic gas, reduces environmental pollution, and equipment simple it is easy to real
Existing.
Brief description
Fig. 1 is instinct inventive method EVA crosslinking rate testing process schematic diagram；
Fig. 2 is the crosslinking rate matched curve figure mutually corresponding with stretch moduluses of EVA sample in the inventive method.
Specific embodiment
Describe the present invention below with reference to embodiment shown in the drawings.But this embodiment is not intended to limit
The present invention, structure, method or conversion functionally that those of ordinary skill in the art is made according to this embodiment are all wrapped
Containing within the scope of the present invention.
Refer to shown in Fig. 1, the method for testing of the EVA crosslinking rate that the present invention provides, comprise the following steps S1 ~ S6.
S1：The EVA sample of same specification is divided into two identical sample sets, be individually identified as the first sample sets,
Second sample sets, described first sample sets are corresponding from the second sample sets to include the EVA sample that some different lamination obtain.
For example, each sample sets may include 1 ~ No. 4 EVA sample obtaining under lamination 1 ~ 4 respectively as shown in Figure 1, records 1 respectively
The crosslinking rate data of ~ No. 4 EVA samples and tensile strength data, and generate matched curve；Certainly also dependent on actual demand, often
The EVA sample more than 4 for the setting in one sample sets, and then obtain more accurate matched curve in following S4 steps.At this
In embodiment, the EVA of same specification is laminated using different lamination times when 142 DEG C, every kind of lamination respectively has 3
Individual EVA sample, and each sample is divided into two, carry out chemical method crosslinking rate test and tensile strength test respectively.Thus
To two identical sample sets, it is individually identified as the first sample sets, the second sample sets.In other embodiments of the present invention
In, also the technological parameters such as laminating temperature, pumpdown time can be adjusted changing and respectively obtaining under corresponding lamination
EVA sample.
S2：Crosslinking rate test is carried out using chemical method to the sample of the first sample sets, obtains different layers in the first sample sets
The crosslinking rate data of press strip part corresponding EVA sample.Described chemical method is reacted with EVA sample using related chemistry reagent
And the method that the different quality meter before and after foundation reaction obtains described EVA sample crosslinking rate, specifically include：One iron wire mesh bag is provided,
Using scales/electronic balance weighing W1；Take the EVA sample in the first sample sets and put into described ferrum after being cut into granule of uniform size
Silk screen bag, weigh W2（Described iron wire mesh bag is fixed using stapler, now W2 also includes the quality of staple）；Will be equipped with EVA
The iron wire mesh bag of sample is immersed in extraction solution, and described extraction solution includes dimethylbenzene, 2,6 ditertiary butyl p cresol, its
In, 2,6 ditertiary butyl p cresol, as the poly- resist in course of reaction, prevents EVA secondary friendship in dimethylbenzene digestion process
Connection, the accuracy of impact data；It is heated to extracting solution boiling, extraction solution back-flow velocity is more than 40 droplets/point, is incubated extraction 3
Hour, after the completion of iron wire mesh bag is placed in flask cooling；Take out iron wire mesh bag and air-dry ten minutes to half an hour, then by wire gauze
Bag be placed in drying baker toast 1 hour, drying baker temperature is set as 120 degree, after again iron wire mesh bag is put into equipped with variable color silica gel
Desiccant in be dried 15 minutes；Dried iron wire mesh bag is claimed to obtain quality W3 using electronic balance；Using formula [1- (W2-
W3)/(W2-W1)] the * 100% crosslinked rate score obtaining this EVA sample.
Repeat to test, obtain three EVA samples are tested respectively by above-mentioned chemical method obtain three under same lamination
The crosslinked rate score of individual sample simultaneously takes the crosslinked rate score averagely as EVA sample under this lamination for the three.According to above-mentioned side
Method obtains the crosslinked rate score of EVA sample under the first sample sets difference lamination respectively.
S3：Mechanics Performance Testing is carried out to the sample of the second sample sets, obtains different lamination pair in the second sample sets
The mechanical property parameters of the EVA sample answered, specifically carry out mechanical stretch strength test to the EVA sample of the second sample sets.Including
Following steps：Confirmatory sample specification and corresponding lamination, cut sample using dumbbell shape cut-off knife；Sample subscript after cutting
Illustrate to clamp line, fracture mark line, gauge length line；Gauge length line at a distance of the mark line that from 25 ± 0.25mm, ruptures at a distance of from 60 ± 5mm,
Clamping line is at a distance of from 80 ± 5mm；Sample is placed on test fixture and is fixed, fixture is sandwiched in clamping line；Pressed from both sides using extensometer
At two gauge length lines, using universal tensile tester, extension test is carried out with the speed of 300mm/min.According to drawing that experiment obtains
Stretch stress and strain amount and can directly count the stretch moduluses obtaining this EVA sample.
Repeat to test, obtain three EVA samples are tested as stated above respectively obtain three under same lamination
The stretch moduluses of sample simultaneously take the stretch moduluses averagely as EVA sample under this lamination for the three.Method can be counted respectively according to this
Obtain the stretch moduluses of EVA sample under the second sample sets difference lamination.
S4：Obtain the one-to-one corresponding of crosslinking rate under different lamination for this specification EVA sample and mechanical property parameters
Relation.And using the crosslinking rate of the first sample sets EVA sample as vertical coordinate, the second sample sets EVA sample stretch moduluses as
Abscissa generates continuous matched curve（As shown in Figure 2）.A certain coordinate figure on the axis of abscissas of described matched curve（Stretching die
Amount）The only point in a corresponding matched curve, and single ordinate value is obtained by the point in matched curve（Crosslinking rate）.
S5：Obtain the EVA product to be measured with the same specification of above-mentioned EVA sample, and mechanical property is carried out to described EVA product
Test, to obtain mechanical property parameters, specifically carries out Mechanics Performance Testing to this EVA product and obtains corresponding stretch moduluses.
S6：The corresponding relation that the lamination of EVA product to be measured in S5 and mechanical property parameters are obtained with S4 is compared
Right, the matched curve specially being obtained the lamination of EVA product to be measured in S5 and stretch moduluses with S4 is compared, you can
Obtain the crosslinked rate score of EVA product to be measured.
Further, in actual production process, according to correspondence position in matched curve for the EVA sample, bent in conjunction with matching
Line generates the stretch moduluses and crosslinking rate variation tendency under different lamination in experiment, can specify producing line laminating technology
Adjustment direction, contributes to producing line personnel and laminating technology condition is adjusted faster.
In sum, the method for testing of the EVA crosslinking rate that the present invention provides, can quickly and efficiently detect EVA crosslinking rate,
Avoid tester's Long contact time dimethylbenzene toxic gas, reduce environmental pollution, and equipment is simple, it is easy to accomplish.
It should be understood that although this specification is been described by according to embodiment, but not each embodiment only comprises one
Individual independent technical scheme, only for clarity, those skilled in the art should will say this narrating mode of description
As an entirety, the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment understanding.
The a series of detailed description of those listed above is only for the feasibility embodiment of the present invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
Claims (7)
1. a kind of method of testing of EVA crosslinking rate is it is characterised in that the method comprising the steps of：
S1：The EVA sample of same specification is divided into two identical sample sets, be individually identified as the first sample sets, second
Sample sets, described first sample sets are corresponding from the second sample sets to include the EVA sample that some different lamination obtain；
S2：Crosslinking rate test is carried out using chemical method to the sample of the first sample sets, obtains different layers press strip in the first sample sets
The crosslinking rate data of part corresponding EVA sample, wherein, described chemical method specifically includes：
One mesh bag is provided, and obtains this mesh bag quality for W1；
Take the EVA sample in the first sample sets and after being cut into granule of uniform size, put into described mesh bag, obtain mesh bag and EVA
The gross mass of sample is W2；
The mesh bag that will be equipped with sample is immersed in heating extraction in extraction solution, after the completion of mesh bag is placed in flask cooling；
Take out mesh bag to be dried, obtain dried mesh bag quality W3；
Obtain the crosslinked rate score of this EVA sample using formula [1- (W2-W3)/(W2-W1)] * 100%；
S3：Mechanics Performance Testing is carried out to the sample of the second sample sets, obtains different lamination in the second sample sets corresponding
The mechanical property parameters of EVA sample；
S4：Obtain the one-to-one relationship of crosslinking rate under different lamination for this specification EVA sample and mechanical property parameters；
S5：Obtain the EVA product to be measured with the same specification of above-mentioned EVA sample, and Mechanics Performance Testing is carried out to described EVA product
To obtain mechanical property parameters；
S6：The corresponding relation that the lamination of EVA product to be measured in S5 and mechanical property parameters are obtained with S4 is compared, that is,
Can get the crosslinked rate score of EVA product to be measured.
2. method according to claim 1 it is characterised in that：S4 step is also included according to described corresponding relation in coordinate axess
In data is fitted obtaining with continuous matched curve, the crosslinked rate score of the EVA product to be measured wherein in S6 step is concrete
According to this matched curve obtain.
3. method according to claim 1 it is characterised in that：S2 step is additionally included in heating extraction process, is heated to
Extraction solution boiling, extraction solution back-flow velocity be more than 40 droplets/point, insulation extraction 3 hours, after the completion of mesh bag is placed in flask
Cooling；
Take out mesh bag and air-dry ten minutes to half an hour, then mesh bag is placed in baking 1 hour in drying baker, drying baker temperature is set as
120 degree, after again by mesh bag put into equipped with the desiccant of variable color silica gel be dried 15 minutes, complete drying.
4. method according to claim 1 it is characterised in that：Described extraction solution includes dimethylbenzene, 2,6- di-t-butyl
Paracresol.
5. method according to claim 2 it is characterised in that：The axis of ordinates of described matched curve is the friendship of EVA sample
Connection rate.
6. method according to claim 5 it is characterised in that：The abscissa of described matched curve is the stretching of EVA sample
Modulus.
7. method according to claim 6 it is characterised in that：A certain coordinate figure on the axis of abscissas of described matched curve
Point in a corresponding matched curve, and single ordinate value is obtained by the point in matched curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410467898.3A CN104347447B (en) | 2014-09-15 | 2014-09-15 | A kind of method of testing of EVA crosslinking rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410467898.3A CN104347447B (en) | 2014-09-15 | 2014-09-15 | A kind of method of testing of EVA crosslinking rate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104347447A CN104347447A (en) | 2015-02-11 |
| CN104347447B true CN104347447B (en) | 2017-03-08 |
Family
ID=52502790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410467898.3A Active CN104347447B (en) | 2014-09-15 | 2014-09-15 | A kind of method of testing of EVA crosslinking rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104347447B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142134A (en) * | 2018-07-18 | 2019-01-04 | 凯盛光伏材料有限公司 | A kind of test method of the photovoltaic module POE glue film degree of cross linking |
| CN109884000B (en) * | 2019-02-28 | 2021-12-07 | 天津英利新能源有限公司 | Cross-linking degree test curve fitting formula method and cross-linking degree detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798090A (en) * | 1968-12-04 | 1974-03-19 | Hercules Inc | Process for producing cross-linked propellants |
| US4774295A (en) * | 1984-08-18 | 1988-09-27 | Bayer Aktiengesellschaft | Polymer mixtures and covulcanizates produced therefrom |
| CN102967524A (en) * | 2012-12-04 | 2013-03-13 | 韩华新能源（启东）有限公司 | Ethylene vinyl acetate (EVA) crosslinking degree testing method |
| CN203790618U (en) * | 2014-04-16 | 2014-08-27 | 上海贝思特管业有限公司 | Extraction plant for EVA cross linking degree test equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000355085A (en) * | 1999-06-15 | 2000-12-26 | Sekisui Chem Co Ltd | Laminate and olefinic resin crosslinked foam |
-
2014
- 2014-09-15 CN CN201410467898.3A patent/CN104347447B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798090A (en) * | 1968-12-04 | 1974-03-19 | Hercules Inc | Process for producing cross-linked propellants |
| US4774295A (en) * | 1984-08-18 | 1988-09-27 | Bayer Aktiengesellschaft | Polymer mixtures and covulcanizates produced therefrom |
| CN102967524A (en) * | 2012-12-04 | 2013-03-13 | 韩华新能源（启东）有限公司 | Ethylene vinyl acetate (EVA) crosslinking degree testing method |
| CN203790618U (en) * | 2014-04-16 | 2014-08-27 | 上海贝思特管业有限公司 | Extraction plant for EVA cross linking degree test equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104347447A (en) | 2015-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107748338A (en) | The detection means and appraisal procedure of a kind of cycle life of lithium ion battery | |
| CN103604363B (en) | One kind plastic deformation test strain gauge and its manufacture and scaling method | |
| CN101216393B (en) | Self-adhering transposed conductor integral high-temperature bending strength experimental method and apparatus | |
| CN104347447B (en) | A kind of method of testing of EVA crosslinking rate | |
| CN105301501A (en) | Method for estimating generated heat of lithium ion battery under conditions of charge and discharge | |
| CN103063529A (en) | Small punch testing method for reactor pressure vessel steel | |
| CN101552307B (en) | Preparation method of solar energy solar panel | |
| CN201615804U (en) | Lead acid storage battery polar group assembly pressure tester | |
| CN201740625U (en) | Temperature compensation device used for verification and calibration of piezomagnetic force measuring sensor | |
| WO2012006837A1 (en) | Method for testing cross-linking rate of ethylene vinyl acetate (eva) in photovoltaic solar battery pack | |
| CN102323174B (en) | Method for calibrating hardness indicating value of rubber hardness gauge and standard blocks | |
| CN100487415C (en) | Method for measuring polymer-base foam material elastic modulus by displacement sensor | |
| CN112033900A (en) | Paper adhesion testing method | |
| CN201289456Y (en) | Test device for adhesive strength of multi-set enamelling lenticular wire | |
| CN203405395U (en) | Permeable rate tester | |
| CN109470599A (en) | A kind of flexible flat cable hot melt adhesive mobile performance detection method | |
| CN109727886A (en) | Solar battery sheet temperature coefficient on-the-spot test method | |
| Mickiewicz et al. | Non-destructive determination of the degree of cross-linking of EVA solar module encapsulation Using DMA shear measurements | |
| CN112549737B (en) | Method for evaluating edge lamination safety distance of photovoltaic module laminating machine | |
| CN102207476A (en) | Testing method for determining gelation time of EVA hot melt adhesive by rheometer | |
| CN207318588U (en) | Membrane turns off Research on Automatic Measuring System of Temperature | |
| CN109884000B (en) | Cross-linking degree test curve fitting formula method and cross-linking degree detection method | |
| CN114739444B (en) | Method for judging state of winding core | |
| CN104266892A (en) | Method for testing total nitrogen in tobacco by using hydrogen peroxide instead of mercuric oxide | |
| CN203432860U (en) | PVB (polyvinylbutyral) film creep deformation test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215300 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Co-patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Patentee after: CSI SOLAR POWER GROUP Co.,Ltd. Address before: 215300 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Co-patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Patentee before: CSI SOLAR POWER (CHINA) Inc. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221201 Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Patentee after: Suqian atlas Sunshine Energy Technology Co.,Ltd. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: Atlas sunshine Power Group Co.,Ltd. Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. |