CN210640853U - Test probe and resistivity testing arrangement of test battery piece resistivity - Google Patents
Test probe and resistivity testing arrangement of test battery piece resistivity Download PDFInfo
- Publication number
- CN210640853U CN210640853U CN201922114659.0U CN201922114659U CN210640853U CN 210640853 U CN210640853 U CN 210640853U CN 201922114659 U CN201922114659 U CN 201922114659U CN 210640853 U CN210640853 U CN 210640853U
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- 239000000523 sample Substances 0.000 title claims abstract description 94
- 238000012360 testing method Methods 0.000 title claims abstract description 94
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a test probe and resistivity testing arrangement of test battery piece resistivity, test probe of test battery piece resistivity includes base, slide bar, adjusting part, retaining member and conductive component. The base is two, two base interval distribution, the both ends of slide bar are connected respectively on two bases, the adjustment piece is a plurality of, the length direction interval distribution of a plurality of adjustment pieces along the slide bar, establish on the slide bar every adjustment piece slidable, be equipped with the probe that two intervals set up on every adjustment piece, the retaining member be a plurality of and with a plurality of adjustment piece one-to-one setting, the retaining member can die the adjustment piece lock on the slide bar, conducting component wears to establish on a plurality of adjustment pieces and two bases, the one end of every probe all links to each other with conducting component. The test probe can be simultaneously suitable for the battery pieces with equal grid line spacing and the battery pieces with unequal grid line spacing, and each probe can be ensured to be accurately and stably in grid line contact with the battery pieces, so that the measurement accuracy is ensured.
Description
Technical Field
The utility model relates to a battery piece detects technical field, especially relates to a test probe and resistivity testing arrangement of test battery piece resistivity.
Background
The series resistance of the solar cell consists of six parts, namely a silver grid line resistance, a contact resistance of a silver electrode and a silicon material, a surface sheet resistance, a silicon body resistance (base region resistance), a contact resistance of an aluminum electrode and a base region and a transverse resistance of an aluminum layer. The contact resistance between the metal electrode and the silicon material accounts for about 30% of the total series resistance, which is one of the important factors affecting the fill factor of the solar cell and further affecting the photoelectric conversion efficiency. Therefore, it is important to accurately test the contact resistance between the metal electrode and the silicon material, and the contact resistance is generally determined by using the contact resistivity. There are many factors that affect the magnitude of the contact resistivity, including: diffusion, sintering, slurry, texturing, etc., generally, we require that the lower the contact resistivity is, the better, and therefore, the higher the contact resistivity is, the important criterion for evaluating the quality of the cell production and manufacturing process.
Currently, two types of instruments are mainly used for testing: manual contact resistance testers and semi-automatic testers. The manual contact resistance tester is provided with 2 pairs of probes, takes 1-2 minutes to test one sample, is time-consuming and labor-consuming, and is not suitable for testing a large number of samples. The semi-automatic tester is provided with 8 pairs of probes and 12 sample test areas, only 4-5 seconds are needed for testing one sample, and the probe is automatically moved to the sample area to be tested, so that test data of a large number of samples can be obtained in a short time, and time and labor are saved. However, the probe equipped in the current tester is only suitable for the cell samples with equal grid line spacing, and the test cannot be performed on the samples with unequal grid line spacing. For the battery pieces with different grid line numbers, each pair of probes can not be accurately dropped on the grid lines, and the accuracy of the test is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a test probe of test battery piece resistivity, this test probe can be applicable to the grid line interval battery piece of waiting simultaneously and the grid line interval battery piece that varies to can guarantee that every probe homoenergetic is accurate and stably with battery piece grid line contact, thereby guarantee measurement accuracy.
Another object of the utility model is to provide a resistivity testing arrangement, this resistivity testing arrangement is applicable to the grid line interval battery piece of waiting simultaneously and not the grid line interval battery piece that varies, and has higher measurement accuracy.
For realizing the above technical effect, the technical scheme of the utility model as follows:
a test probe for testing resistivity of a cell, comprising: the number of the bases is two, and the two bases are distributed at intervals; two ends of the sliding rod are respectively connected to the two bases; the adjusting parts are distributed at intervals along the length direction of the sliding rod, each adjusting part can be arranged on the sliding rod in a sliding mode, and each adjusting part is provided with two probes arranged at intervals; the adjusting part comprises a plurality of sliding rods, a plurality of locking parts and a plurality of locking parts, wherein the locking parts can lock the adjusting part on the sliding rods; the conductive assembly is arranged on the adjusting pieces and the two bases in a penetrating mode, and one end of each probe is connected with the conductive assembly.
In some embodiments, the conductive assembly comprises: the number of the conducting rods is two, one end of each conducting rod is connected with one base, the other end of each conducting rod penetrates out of the other base, and each conducting rod is connected with one row of probes arranged at intervals along the length direction of the sliding rod; the connector is connected with one end of the conducting rod, which penetrates out of the base.
In some embodiments, each of the adjusting members has two matching grooves spaced apart from each other, each of the matching grooves has a conductive connector fitted therein, the conductive connector is sleeved on the conductive rod, and the probe is connected to the conductive connector.
In some optional embodiments, a fitting hole is provided on the conductive joint, and one end of the probe is in interference fit with the fitting hole.
In some embodiments, each adjusting member is provided with a threaded hole, and the locking member is a screw fitted in the threaded hole, and the screw can pass through the threaded hole and stop against the sliding rod to lock the adjusting member.
In some optional embodiments, the contact surface of the slide bar and the screw is a plane.
In some embodiments, the locking member is a limiting clamp, the limiting clamp is clamped on the sliding rod, two ends of the limiting clamp respectively abut against the two adjusting members, or two ends of the limiting clamp respectively abut against the adjusting members and the base.
In some embodiments, the adjustment member and the sliding bar are both insulating members.
The resistivity testing device comprises the testing probe for testing the resistivity of the battery piece.
The utility model discloses test probe of test battery piece resistivity because every adjusting part all can slide bar relatively, and the retaining member can die the adjusting part lock on the slide bar, therefore the test probe of this embodiment can be applicable to grid line interval battery piece simultaneously and the grid line interval battery piece that varies to can guarantee that every probe homoenergetic accurately and stably with battery piece grid line contact, thereby guarantee measurement accuracy.
The utility model discloses testing arrangement of resistivity, because including the foregoing the test probe of test battery piece resistivity, every adjusting part that has the probe all can be adjusted alone, has realized being applicable to the function of equidistant battery piece of grid line and the grid line interval battery piece that varies simultaneously to can guarantee that every probe homoenergetic accurately and steadily and battery piece grid line contact, thereby promoted measurement accuracy.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a test probe of a resistance furnace for testing battery pieces according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an adjusting member of a test probe of a resistance furnace for testing battery pieces according to an embodiment of the present invention.
Reference numerals:
1. a base; 2. a slide bar; 3. an adjustment member; 31. a mating groove; 32. a threaded hole; 4. a probe; 5. a locking member; 6. a conductive component; 61. a conductive rod; 62. a connector; 7. and a conductive joint.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features, distinctively descriptive, not sequential, not light and heavy. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The specific structure of the test probe for testing the resistivity of the battery piece according to the embodiment of the present invention is described below with reference to fig. 1 to 2.
As shown in fig. 1, the test probe for testing resistivity of a battery piece according to an embodiment of the present invention includes a base 1, a sliding rod 2, an adjusting member 3, a probe 4, a locking member 5, and a conductive member 6. Base 1 is two, 1 interval distribution in two bases, the both ends of slide bar 2 are connected respectively on two bases 1, adjusting part 3 is a plurality of, a plurality of adjusting parts 3 are along the length direction interval distribution of slide bar 2, establish on slide bar 2 every adjusting part 3 slidable, be equipped with the probe 4 that two intervals set up on every adjusting part 3, retaining member 5 be a plurality of and set up with 3 one-to-one of a plurality of adjusting parts, retaining member 5 dies adjusting part 3 lock on slide bar 2, conducting component 6 wears to establish on a plurality of adjusting parts 3 and two bases 1, the one end of every probe 4 all links to each other with conducting component 6.
It can be understood that each adjusting member 3 is provided with two probes 4 spaced apart from each other, so that each adjusting member 3 corresponds to one grid line of the battery cell in actual use. Since each adjusting member 3 is slidably arranged on the slide rod 2, and the locking member 5 can lock the adjusting member 3 on the slide rod 2. Therefore, in practical application, the adjusting part 3 can be slid to move to the position where the two probes 4 abut against one grid line, and then the adjusting part 3 is locked by the locking part 5, so that the probes 4 can be stably contacted in the test process, and the measurement precision is ensured. In addition, each adjusting piece 3 can move relative to the sliding rod 2, namely, the test probe of the embodiment can be used for testing both the battery pieces with equal grid line spacing and the battery pieces with unequal grid line spacing.
The utility model discloses test probe of test battery piece resistivity because every adjusting part 3 all can slide bar 2 relatively, and retaining member 5 can die adjusting part 3 lock on slide bar 2, therefore the test probe of this embodiment can be applicable to the equidistant battery piece of grid line simultaneously and vary grid line interval battery piece to can guarantee that every probe 4 homoenergetic is accurate and stably with battery piece grid line contact, thereby guarantee measurement accuracy.
In some embodiments, as shown in fig. 1, the conductive assembly 6 includes two conductive rods 61 and two connectors 62, one end of each conductive rod 61 is connected to one base 1, the other end of each conductive rod 61 penetrates through the other base 1, each conductive rod 61 is connected to a row of probes 4 arranged at intervals along the length direction of the sliding rod 2, and the connectors 62 are connected to one end of each conductive rod 61 penetrating through the base 1. Therefore, the conductive rod 61 is adopted to connect the probes 4 arranged at intervals along the length direction of the sliding rod 2, so that the plurality of probes 4 are connected in series, and the probes 4 on each adjusting piece 3 are not required to be provided with outgoing lines connected with external equipment, so that the structure of the test probe is simplified, and the production cost of the test probe is reduced. In addition, the two conductive rods 61 are matched with the sliding rod 2 to limit the adjusting piece 3 to rotate around the conductive rods 61 or the sliding rod 2, and the adjusting piece 3 is guaranteed to be capable of only sliding along the length direction of the sliding rod 2.
Of course, in the embodiment of the present invention, the conductive assembly 6 may include only one connector 62, and the connector 62 is connected to the plurality of probes 4 through a lead wire.
In some embodiments, as shown in fig. 1-2, each adjusting member 3 is provided with two matching grooves 31 spaced apart from each other, each matching groove 31 is provided with a conductive connector 7, the conductive connector 7 is sleeved on the conductive rod 61, and the probe 4 is connected to the conductive connector 7. It can be understood that the extending direction of the conductive rod 61 is perpendicular to the extending direction of the probe 4, that is, one end of the probe 4 needs to be kept in a state of being stopped against the conductive rod 61, and once the probe 4 is inclined, the probe 4 may be separated from the conductive rod 61, which may cause a phenomenon of breaking a detection circuit, thereby reducing the reliability of the test probe. And the utility model discloses in, adopt the cover to establish the conductive joint 7 as conductive rod 61 and probe 4's intermediate junction spare at conductive rod 61, guaranteed the stability of being connected between conductive rod 61 and the probe 4 betterly to thereby avoided probe 4 and conductive rod 61 separation to lead to the phenomenon that detection circuitry opens circuit.
In some alternative embodiments, the conductive connector 7 is provided with a matching hole, and one end of the probe 4 is in interference fit with the matching hole. Therefore, the connection stability of the probe 4 and the conductive connector 7 is better ensured, and the phenomenon that the probe 4 falls off from the conductive connector 7 is avoided. Of course, in other embodiments of the present invention, the conductive connector 7 and the probe 4 may be connected by a threaded connection, a welding, or the like, and is not limited to the interference fit of the embodiment.
In some embodiments, as shown in fig. 2, each adjusting member 3 is provided with a threaded hole 32, and the locking member 5 is a screw fitted in the threaded hole 32, and the screw can pass through the threaded hole 32 and stop against the sliding rod 2 to lock the adjusting member 3. Thus, the user can very conveniently realize the locking of the adjusting member 3 by using the screw as the locking member 5, thereby facilitating the user's operation.
In some alternative embodiments, the contact surface of the sliding rod 2 and the screw is a plane. Therefore, the locking effect of the screw on the adjusting part 3 is ensured, and the phenomenon that the adjusting part 3 still moves axially relative to the sliding rod 2 after the screw is locked is avoided.
In some embodiments, the locking member 5 is a limiting clamp clamped on the sliding rod 2, and two ends of the limiting clamp respectively abut against the two adjusting members 3, or two ends of the limiting clamp respectively abut against the adjusting members 3 and the base 1. It can be understood that, in the practical operation process, after all the adjusting members 3 are adjusted, the limiting clamps are installed between two adjacent adjusting members 3 and between the adjusting members 3 and the base 1, and after the limiting clamps are installed, all the adjusting members 3 cannot slide relative to the sliding rod 2 due to the limitation of the limiting clamps, so that the locking effect is realized. It should be noted here that the spacing clip is only used for spacing the adjusting member 3, and the material, size, and shape of the spacing clip are not limited herein. The material, size, shape of spacing clamp all can select according to actual need.
In some embodiments, the adjusting member 3 and the sliding rod 2 are both insulating members. Therefore, the phenomenon that the adjusting piece 3 and the sliding rod 2 are electrified is well avoided, and the test safety is ensured.
Example (b):
the specific structure of the test probe for testing the resistivity of the battery piece according to one embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, the test probe for testing the resistivity of the battery piece of the present embodiment includes a base 1, a sliding rod 2, eight adjusting members 3, one locking member 5 and a conductive member 6. The two bases 1 are distributed at intervals, and two ends of the sliding rod 2 are connected to the two bases 1 respectively. The conductive assembly 6 comprises two conductive rods 61 and two connectors 62, one end of each conductive rod 61 is connected with one base 1, the other end of each conductive rod 61 penetrates out of the other base 1, and the connectors 62 are connected to the ends, penetrating out of the bases 1, of the conductive rods 61.
Eight adjusting parts 3 are arranged on the slide bar 2 at intervals along the length direction of the slide bar 2, each adjusting part 3 can be arranged on the slide bar 2 in a sliding mode, each adjusting part 3 is provided with two matching grooves 31 which are arranged at intervals, each matching groove 31 is internally provided with a conductive connector 7 in a matching mode, the conductive connectors 7 are sleeved on the conductive rods 61, matching holes are formed in the conductive connectors 7, and one end of each probe 4 is in interference fit with the matching holes. Each adjusting member 3 is provided with a threaded hole 32, and the locking member 5 is a screw fitted in the threaded hole 32, and the screw can pass through the threaded hole 32 and abut against the sliding rod 2 to lock the adjusting member 3.
The test probe for testing the resistivity of the battery piece has the following advantages:
1. compared with the existing test probe, the test probe of the embodiment can test the battery piece samples with unequal intervals, thereby widening the test range and improving the utilization rate of the instrument.
2. Each adjusting piece 3 can independently move, so that the accuracy of the grid line contact of the probe 4 and the battery piece is improved, and the test result is more accurate.
The resistivity testing device comprises the testing probe for testing the resistivity of the battery piece.
The utility model discloses testing arrangement of resistivity, because including the test probe of test battery piece resistivity in the preceding, every adjusting part 3 that has probe 4 all can be adjusted alone, has realized being applicable to the function of equidistant battery piece of grid line and the grid line interval battery piece that varies simultaneously to can guarantee that every probe 4 homoenergetic accurately and stably with battery piece grid line contact, thereby promoted measurement accuracy.
In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (9)
1. A test probe for testing resistivity of a battery piece, comprising:
the device comprises two bases (1), wherein the two bases (1) are distributed at intervals;
the two ends of the sliding rod (2) are respectively connected to the two bases (1);
the adjusting parts (3) are multiple, the adjusting parts (3) are distributed at intervals along the length direction of the sliding rod (2), each adjusting part (3) is slidably arranged on the sliding rod (2), and two probes (4) arranged at intervals are arranged on each adjusting part (3);
the number of the locking pieces (5) is multiple, and the locking pieces (5) can lock the adjusting piece (3) on the sliding rod (2);
the conductive assembly (6) penetrates through the adjusting pieces (3) and the two bases (1), and one end of each probe (4) is connected with the conductive assembly (6).
2. The test probe for testing resistivity of a battery plate according to claim 1, wherein the conductive assembly (6) comprises:
the number of the conducting rods (61) is two, one end of each conducting rod (61) is connected with one base (1), the other end of each conducting rod penetrates out of the other base (1), and each conducting rod (61) is connected with one row of probes (4) which are arranged at intervals along the length direction of the sliding rod (2);
the connector (62), the connector (62) is connected wear out of conducting rod (61) the one end of base (1).
3. The test probe for testing the resistivity of the battery piece according to claim 2, wherein each adjusting member (3) is provided with two matching grooves (31) which are distributed at intervals, each matching groove (31) is internally matched with one conductive connector (7), the conductive connector (7) is sleeved on the conductive rod (61), and the probe (4) is connected to the conductive connector (7).
4. The test probe for testing the resistivity of the battery piece according to the claim 3, wherein the conductive connector (7) is provided with a matching hole, and one end of the probe (4) is in interference fit with the matching hole.
5. The test probe for testing the resistivity of battery plates according to claim 1, wherein each adjusting member (3) is provided with a threaded hole (32), and the locking member (5) is a screw fitted in the threaded hole (32), which can pass through the threaded hole (32) and stop against the sliding rod (2) to lock the adjusting member (3).
6. The test probe for testing the resistivity of the battery piece according to claim 5, wherein the contact surface of the slide bar (2) and the screw is a plane.
7. The test probe for testing the resistivity of the battery piece according to claim 1, wherein the locking member (5) is a limiting clamp clamped on the sliding rod (2), and two ends of the limiting clamp respectively abut against the two adjusting members (3), or two ends of the limiting clamp respectively abut against the adjusting members (3) and the base (1).
8. The test probe for testing the resistivity of the battery piece according to claim 1, wherein the adjusting member (3) and the sliding rod (2) are insulating members.
9. An electrical resistivity testing device, comprising a testing probe for testing electrical resistivity of a cell as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114659.0U CN210640853U (en) | 2019-11-29 | 2019-11-29 | Test probe and resistivity testing arrangement of test battery piece resistivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114659.0U CN210640853U (en) | 2019-11-29 | 2019-11-29 | Test probe and resistivity testing arrangement of test battery piece resistivity |
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| Publication Number | Publication Date |
|---|---|
| CN210640853U true CN210640853U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922114659.0U Expired - Fee Related CN210640853U (en) | 2019-11-29 | 2019-11-29 | Test probe and resistivity testing arrangement of test battery piece resistivity |
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| CN (1) | CN210640853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116908638A (en) * | 2023-06-15 | 2023-10-20 | 海信家电集团股份有限公司 | Semiconductor device testing apparatus |
-
2019
- 2019-11-29 CN CN201922114659.0U patent/CN210640853U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116908638A (en) * | 2023-06-15 | 2023-10-20 | 海信家电集团股份有限公司 | Semiconductor device testing apparatus |
| CN116908638B (en) * | 2023-06-15 | 2024-03-22 | 海信家电集团股份有限公司 | Semiconductor device testing apparatus |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: CSI Cells Co.,Ltd. Patentee after: Atlas sunshine Power Group Co.,Ltd. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI Cells Co.,Ltd. Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 Termination date: 20211129 |