Unlock instant, AI-driven research and patent intelligence for your innovation.
A kind of viscose method of crystalline silicon
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technology of crystalline silicon and viscose, applied in the field of solar cells, can solve the problems of reducing the cutting yield, no improvement method, hanging silicon blocks, etc., so as to improve the cutting yield, avoid poor cutting, and solve the cutting risk.
Active Publication Date: 2019-08-16
LDK SOLAR XINYU HI TECH XINYU CO LTD
View PDF7 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0003] In the prior art, the process of viscose is all about controlling the quality of viscose, but there is no improvement method for the misalignment of silicon block and glass in the process of viscose, which causes the silicon block to hang in the air
In the process of multi-wire cutting, because the silicon block in the suspended area has no support point under the force of wire mesh cutting, it will shake, resulting in defects such as chipping and chipping, which greatly reduces the cutting yield
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0045] A method for gluing polysilicon blocks, which is used for bonding polysilicon blocks and glass plates, comprising:
[0046] Provide a glass plate and apply glue on one surface of the glass plate;
[0047] Provide polysilicon blocks, the four sides of the polysilicon block are provided with chamfers, and the surface to be glued of the polysilicon block is contacted with the surface of the glass plate coated with glue, so as to realize the bonding between the polysilicon block and the glass plate; the polysilicon block and the workpiece plate are bonded During the process, the polysilicon block exceeds the edge of the workpiece plate;
[0048] Provide plastic steel mud, fill the plastic steel mud completely in the suspended area formed by the polysilicon block beyond the edge of the workpiece plate during the bonding process of the polysilicon block and the workpiece plate. After curing for 1 hour, the bonded polysilicon block and the glass plate are machine-cut.
Embodiment 2
[0050] A method for gluing polysilicon blocks, which is used for bonding polysilicon blocks and glass plates, comprising:
[0051] Provide a glass plate and apply glue on one surface of the glass plate;
[0052] Provide polysilicon blocks, the four sides of the polysilicon block are provided with chamfers, and the surface to be glued of the polysilicon block is contacted with the surface of the glass plate coated with glue, so as to realize the bonding between the polysilicon block and the glass plate; the polysilicon block and the workpiece plate are bonded During the process, the polysilicon block exceeds the edge of the workpiece plate;
[0053] Provide plastic steel mud, fill the gap formed between the chamfer and the workpiece plate and the suspended area formed by the polysilicon block beyond the edge of the workpiece plate during the bonding process of the polysilicon block and the workpiece plate, and the plastic steel mud completely fills the gap and the suspended are...
Embodiment 3
[0055] A method for gluing polysilicon blocks, which is used for bonding polysilicon blocks and glass plates, comprising:
[0056] Provide a glass plate and apply glue on one surface of the glass plate;
[0057] Provide a polycrystalline silicon block, the four sides of the polycrystalline silicon block are provided with chamfers, and the surface to be glued of the polycrystalline silicon block is contacted with the surface of the glass plate coated with glue, so as to realize the bonding of the polycrystalline silicon block and the glass plate;
[0058] Provide plastic steel mud, fill the gap formed between the chamfer and the workpiece plate, and after curing for 5 hours, machine-cut the bonded polysilicon block and glass plate.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
PUM
Login to View More
Abstract
The invention provides a crystalline silicon gluing method, and the crystalline silicon gluing method is used for gluing crystalline silicon and a workpiece plate. The method comprises the steps that the workpiece plate is provided, and one surface of the workpiece plate is coated with glue; the crystalline silicon is provided, the crystalline silicon is provided with a chamfer, and the to-be-glued face of the crystalline silicon makes contact with the surface, coated with the glue, of the workpiece plate so that gluing of the crystalline silicon and the workpiece plate can be achieved; a filling agent is provided, a gap formed between the chamfer and the workpiece plate and / or the suspended area formed in the manner that the crystalline silicon exceeds the edge of the workpiece plate in the gluing process of the crystalline silicon and the workpiece plate are / is filled with the filling agent, and after solidification is achieved, the crystalline silicon and the workpiece plate which are glued together are put on a machine to be cut; and the filling agent comprises epoxy resin glue with the solidified Shore type D hardness being larger than 80. By means of the crystalline silicon gluing method, the cutting yield of the crystalline silicon can be increased.
Description
technical field [0001] The invention relates to the field of solar cells, in particular to a method for gluing crystalline silicon. Background technique [0002] Polycrystalline silicon block is the main material for making photovoltaic solar cells. The silicon block processing process generally includes stages such as crystal growth, breaking, cutting, grinding, chamfering, bonding, slicing, cleaning, and packaging. In the bonding process, viscose is an important process, such as figure 1 As shown, in the prior art, the glass plate 20 is first adhered to the tray 30 by glue, and then the silicon block 10 is adhered to the glass plate 20 using glue. After a period of curing, after the adhesion reaches a certain strength, the The silicon block 10 is put into the equipment, and the tray is clamped by the worktable, so that the silicon block 10 is fixed for subsequent cutting. [0003] In the prior art, the glue technology is all about controlling the quality of the glue, an...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to View More 
Login to View More