CN221041057U - Flower basket capable of preventing silicon chip from being stuck - Google Patents
Flower basket capable of preventing silicon chip from being stuck Download PDFInfo
- Publication number
- CN221041057U CN221041057U CN202322465941.XU CN202322465941U CN221041057U CN 221041057 U CN221041057 U CN 221041057U CN 202322465941 U CN202322465941 U CN 202322465941U CN 221041057 U CN221041057 U CN 221041057U
- Authority
- CN
- China
- Prior art keywords
- flower basket
- silicon wafer
- teeth
- rows
- positioning
- 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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Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 75
- 239000010703 silicon Substances 0.000 title claims abstract description 75
- 235000012431 wafers Nutrition 0.000 claims abstract description 58
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 4
- 230000005587 bubbling Effects 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model relates to the technical field of photovoltaics, and particularly discloses a flower basket for preventing silicon wafer from being stuck, which comprises a flower basket body, wherein a plurality of groups of silicon wafer positioning assemblies are sequentially arranged on the inner side of the flower basket body along the vertical direction, each group of silicon wafer positioning assemblies comprises two rows of a plurality of flower basket teeth which are sequentially arranged at equal intervals along the horizontal direction, the two rows of flower basket teeth are respectively arranged on two opposite sides of the flower basket body, and the two rows of flower basket teeth are arranged in a one-to-one correspondence manner; the opposite ends of the two rows of flower basket teeth are fixedly connected with positioning heads which are matched with the silicon wafers in a contact way. According to the utility model, the positioning head is contacted with the surface of the silicon wafer at the position away from the center of the silicon wafer, the silicon wafer is supported by the positioning head and the basket teeth, the silicon wafer and the silicon wafer can be isolated in a larger scale, and the bending degree of the silicon wafer can be reduced during bubbling reaction of the cleaning machine, so that the patch amplitude is reduced, and the reworking proportion of the liquid is reduced.
Description
Technical Field
The utility model relates to the technical field of photovoltaics, in particular to a flower basket for preventing silicon chips from being pasted.
Background
With the rapid expansion development of the photovoltaic industry, the manufacturing cost is lower and lower. To further reduce the manufacturing cost of single crystal N-type TOPCon cells, the silicon wafer thickness is controlled to be thinner and thinner. The chemical reaction of the silicon wafer is completed in a groove type cleaning machine during the processes of texturing, alkali polishing and positive etching, and the carrier of the silicon wafer in the reaction process is a wet-process basket. In the prior art, the thickness of a mainstream silicon wafer in the industry is 135-145um, if the thickness of the silicon wafer is continuously thinned to 125um, when chemical reaction is carried out in a groove type cleaning machine, the back surface of the silicon wafer reacts to produce hydrogen, the pressure intensity between the silicon wafer and the silicon wafer becomes small after bubbles float towards the water surface, the thin silicon wafer is easier to bend and patch, and the conditions of difficult drying and liquid carrying and downloading are easily caused, so that reworking is generated. Therefore, in order to solve the problem of liquid carrying of the thin silicon wafer, it is needed to provide a basket for preventing the silicon wafer from sticking so as to reduce the bending degree of the silicon wafer.
Disclosure of utility model
The utility model aims to provide a flower basket capable of preventing a silicon wafer from being stuck, so as to solve the problems in the prior art.
In order to achieve the above purpose, the utility model provides a flower basket for preventing silicon chip from sticking, which comprises a flower basket body, wherein a plurality of groups of silicon chip positioning components are sequentially arranged on the inner side of the flower basket body along the vertical direction, each group of silicon chip positioning components comprises two rows of a plurality of flower basket teeth which are sequentially arranged at equal intervals along the horizontal direction, the two rows of flower basket teeth are respectively arranged on two opposite sides of the flower basket body, and the two rows of flower basket teeth are arranged in a one-to-one correspondence manner; and two rows of flower basket teeth are fixedly connected with positioning heads at the opposite ends, and the positioning heads are in contact fit with the silicon wafers.
Preferably, the flower basket body comprises a supporting rod, two ends of the supporting rod are fixedly connected with end plates, the supporting rod is positioned at the bottom of the end plates, and a plurality of groups of silicon wafer positioning assemblies are positioned above the supporting rod;
Each group of silicon chip locating component further comprises two connecting rods, two ends of each connecting rod are detachably connected with two end plates respectively, two rows of flower basket teeth are fixedly connected to two connecting rods respectively, and two rows of flower basket teeth are oppositely arranged.
Preferably, two limit sliding grooves are formed in one side, close to the connecting rod, of the end plate in the vertical direction, the two limit sliding grooves are respectively formed in two ends of the end plate, sliding blocks are connected in the two limit sliding grooves in a sliding mode, a cross rod is fixedly connected to the top end of each sliding block, and the two connecting rods in the same group of silicon wafer positioning assemblies are detachably mounted on the two sliding blocks respectively.
Preferably, the end plate is provided with a threaded hole, the threaded hole is communicated with the limiting chute, a fastening bolt is connected in the threaded hole in a threaded manner, and the sliding block and the end plate are fixed through the fastening bolt.
Preferably, the basket teeth are one of prismatic structures, cylindrical structures and truncated cone structures; one end of the positioning head, which is close to the silicon wafer, is one of a pointed cone structure and a circular arc structure.
Preferably, the length of the flower basket teeth is 8mm-18mm, and the length of the positioning head is 4mm-6mm.
Preferably, a through hole is formed in the middle of the end plate.
Compared with the prior art, the utility model has the following advantages and technical effects:
According to the flower basket for preventing the silicon wafer from being pasted, the positioning head is contacted with the surface of the center of the silicon wafer, the silicon wafer is supported by the positioning head and the flower basket teeth, the silicon wafer and the silicon wafer can be isolated in a larger scale, and in the bubbling reaction of the cleaning machine, the bending degree of the silicon wafer can be reduced, so that the pasting amplitude is reduced, and the reworking proportion with liquid is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a basket of flowers for preventing a silicon wafer from being stuck;
Wherein: 1. flower basket teeth; 2. a positioning head; 3. a support rod; 4. an end plate; 5. a connecting rod; 6. a slide block; 7. a cross bar; 8. and (5) fastening a bolt.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without the inventive effort, are intended to be within the scope of the present utility model. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The utility model provides a flower basket for preventing silicon wafer from sticking, which comprises a flower basket body, wherein a plurality of groups of silicon wafer positioning assemblies are sequentially arranged on the inner side of the flower basket body along the vertical direction, each group of silicon wafer positioning assemblies comprises two rows of a plurality of flower basket teeth 1 which are sequentially arranged at equal intervals along the horizontal direction, the two rows of flower basket teeth 1 are respectively arranged on two opposite sides of the flower basket body, and the two rows of flower basket teeth 1 are arranged in a one-to-one correspondence manner; the opposite ends of the two rows of flower basket teeth 1 are fixedly connected with positioning heads 2, and the positioning heads 2 are in contact fit with the silicon wafers; the flower basket body comprises a supporting rod 3, two ends of the supporting rod 3 are fixedly connected with end plates 4, the supporting rod 3 is positioned at the bottom of the end plates 4, and a plurality of groups of silicon wafer positioning assemblies are positioned above the supporting rod 3; each group of silicon wafer positioning assembly further comprises two connecting rods 5, two ends of each connecting rod 5 are detachably connected with the two end plates 4 respectively, two rows of flower basket teeth 1 are fixedly connected to the two connecting rods 5 respectively, and the two rows of flower basket teeth 1 are oppositely arranged.
Further, for the position of convenient adjustment silicon chip locating component to change the contact position of silicon chip locating component and silicon chip, two spacing spouts have been seted up along vertical direction to the one side that end plate 4 is close to connecting rod 5, and spacing spout is the dovetail, and two spacing spouts set up respectively in the both ends of end plate 4, all sliding connection has slider 6 in two spacing spouts, and the top fixedly connected with horizontal pole 7 of two sliders 6, and two connecting rods 5 in the same group silicon chip locating component can be dismantled respectively and install on two sliders 6.
Further, for the convenience to fix a position the silicon chip locating component after the adjustment position, offered the screw hole on the end plate 4, screw hole and spacing spout intercommunication, threaded hole threaded connection has fastening bolt 8, and slider 6 is fixed through fastening bolt 8 with end plate 4.
Further, the flower basket teeth 1 are one of prismatic structures, cylindrical structures and truncated cone structures; one end of the positioning head 2, which is close to the silicon wafer, is one of a pointed cone structure and a circular arc structure.
Further, the length of the flower basket teeth 1 is 8mm-18mm, and the length of the positioning head 2 is 4mm-6mm.
Further, a through hole is formed in the middle of the end plate 4.
The basket for preventing the silicon wafer from being stuck is characterized in that corresponding basket teeth 1 are selected according to the length of the silicon wafer when the basket for preventing the silicon wafer from being stuck is subjected to texturing/alkali polishing/positive cleaning, and the embodiment takes the silicon wafer with the length of 182mm as an example for illustration.
The length is 15 mm's basket of flowers tooth 1 is selected, installs the basket of flowers tooth 1 back on the basket of flowers body, places the silicon chip in the basket of flowers, and both sides utilize basket of flowers tooth 1 and positioning head 2 to carry out spacingly, because the length of basket of flowers tooth 1 is longer, can realize that basket of flowers tooth 1 contacts in the surface that is located apart from the silicon chip center, compares in the edge contact of basket of flowers tooth 1 and silicon chip among the prior art, can prevent the serious paster of silicon chip central point position well. Moreover, the sliding block 6 can be lifted upwards through the cross rod 7, and the sliding block 6 is fixed by the fastening bolt 8, so that the contact position of the positioning head 2 and the silicon wafer is changed, the consistency of the surface of the silicon wafer can be ensured, and the electric performance of the silicon wafer can be improved.
The flower basket for preventing the silicon wafer from being pasted can realize larger-scale isolation between the silicon wafers, and can reduce the bending degree of the silicon wafers during bubbling reaction of the cleaning machine, thereby reducing the pasting amplitude and reducing the reworking proportion of the liquid.
The present application is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present application are intended to be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims (5)
1. The flower basket capable of preventing the silicon chip from being pasted is characterized by comprising a flower basket body, wherein a plurality of groups of silicon chip positioning assemblies are sequentially arranged on the inner side of the flower basket body along the vertical direction, each group of silicon chip positioning assemblies comprises two rows of a plurality of flower basket teeth (1) which are sequentially arranged at equal intervals along the horizontal direction, the two rows of flower basket teeth (1) are respectively arranged on two opposite sides of the flower basket body, and the two rows of flower basket teeth (1) are arranged in a one-to-one correspondence manner; the opposite ends of the two rows of flower basket teeth (1) are fixedly connected with positioning heads (2), and the positioning heads (2) are in contact fit with the silicon wafers;
The flower basket body comprises a supporting rod (3), two ends of the supporting rod (3) are fixedly connected with end plates (4), the supporting rod (3) is positioned at the bottom of the end plates (4), and a plurality of groups of silicon wafer positioning assemblies are positioned above the supporting rod (3);
Each group of silicon wafer positioning assembly further comprises two connecting rods (5), two ends of each connecting rod (5) are detachably connected with the two end plates (4), two rows of flower basket teeth (1) are fixedly connected to the two connecting rods (5) respectively, and the two rows of flower basket teeth (1) are oppositely arranged;
Two limit sliding grooves are formed in one side, close to the connecting rod (5), of the end plate (4) in the vertical direction, the two limit sliding grooves are respectively formed in two ends of the end plate (4), sliding blocks (6) are connected in the two limit sliding grooves in a sliding mode, cross rods (7) are fixedly connected to the top ends of the sliding blocks (6), and the two connecting rods (5) in the same group of silicon wafer positioning assemblies are detachably mounted on the two sliding blocks (6) respectively.
2. The basket of flowers for preventing a silicon chip from being stuck according to claim 1, wherein the end plate (4) is provided with a threaded hole, the threaded hole is communicated with the limiting chute, a fastening bolt (8) is connected in the threaded hole in a threaded manner, and the sliding block (6) and the end plate (4) are fixed through the fastening bolt (8).
3. The basket according to claim 1, wherein the basket teeth (1) are one of prismatic structure, cylindrical structure, truncated cone structure; one end of the positioning head (2) close to the silicon wafer is in one of a pointed cone structure and a circular arc structure.
4. A basket of flowers for preventing a wafer from sticking according to claim 3, wherein the length of the basket teeth (1) is 8mm-18mm, and the length of the positioning head (2) is 4mm-6mm.
5. The basket of flowers for preventing the wafer from being stuck according to claim 1, wherein the middle part of the end plate (4) is provided with a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322465941.XU CN221041057U (en) | 2023-09-11 | 2023-09-11 | Flower basket capable of preventing silicon chip from being stuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322465941.XU CN221041057U (en) | 2023-09-11 | 2023-09-11 | Flower basket capable of preventing silicon chip from being stuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221041057U true CN221041057U (en) | 2024-05-28 |
Family
ID=91174567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322465941.XU Active CN221041057U (en) | 2023-09-11 | 2023-09-11 | Flower basket capable of preventing silicon chip from being stuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221041057U (en) |
-
2023
- 2023-09-11 CN CN202322465941.XU patent/CN221041057U/en active Active
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