CN222097226U - A single-sided thinned ultra-thin glass cutting and dissociation structure - Google Patents
A single-sided thinned ultra-thin glass cutting and dissociation structure Download PDFInfo
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- CN222097226U CN222097226U CN202420633911.7U CN202420633911U CN222097226U CN 222097226 U CN222097226 U CN 222097226U CN 202420633911 U CN202420633911 U CN 202420633911U CN 222097226 U CN222097226 U CN 222097226U
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- glass substrate
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- resistant film
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- 239000011521 glass Substances 0.000 title claims abstract description 147
- 238000005520 cutting process Methods 0.000 title claims abstract description 69
- 238000010494 dissociation reaction Methods 0.000 title claims abstract description 41
- 230000005593 dissociations Effects 0.000 title claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 95
- 125000006850 spacer group Chemical group 0.000 claims abstract description 23
- 239000002253 acid Substances 0.000 claims description 46
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001458 anti-acid effect Effects 0.000 abstract 3
- 238000005530 etching Methods 0.000 description 10
- 238000005286 illumination Methods 0.000 description 10
- 239000012528 membrane Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000003698 laser cutting Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000005373 porous glass Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Surface Treatment Of Glass (AREA)
Abstract
The utility model belongs to a single-sided thinning ultrathin glass cutting dissociation structure in the technical field of ultrathin glass. The anti-acid glass substrate comprises a spacer paper (1) and an anti-acid film (2), wherein the size of the spacer paper (1) is larger than that of an effective area (4) of a glass substrate (3), the size of the anti-acid film (2) is larger than that of the effective area (4) of the glass substrate (3), and the size of the glass substrate (3) before cutting is larger than that of a finished product of the glass substrate (3). The single-sided thinning ultrathin glass cutting dissociation structure is simple in structure, and can conveniently and quickly realize the rapid dissociation of the ultrathin glass after the glass product is etched, and meanwhile, the product is reliably protected, the deformation of the product is avoided, the damage rate of the product is reduced, and the bad edges of the product are avoided.
Description
Technical Field
The utility model belongs to the technical field of ultrathin glass, and particularly relates to a single-sided thinning ultrathin glass cutting dissociation structure.
Background
In recent years, with the development of modern technology and the update of electronic products, electronic products are developed in a smaller and lighter direction, products such as fingerprint sensing screens under screens and ultrathin folding screens are more applied to the current electronic products, and the glass thickness of the products is often below 50um, so that during etching, the ultrathin products are basically carried on a backboard. The defects in the prior art are that a dissociation film is adhered to an unetched surface of a glass substrate (product), the dissociation film is curled after illumination to generate warping, so that the product is cracked to generate damage, the defects are that the end part of the product is easy to cause bad edge parts after etching due to no protection measure in the etching process of the product, and the defects are that the product is too thin (50 um) after etching, and the dissociation damage and scrapping of the tearing film are serious. Thus, the prior art has affected the production and preparation of glass products.
In the prior art, the technology named as a technology for separating the glass carrier plate from the ultrathin wafer by organic solvent permeation and separation and the technology with the publication number of CN112289734A are disclosed, and the technology discloses a technology for separating the glass carrier plate from the ultrathin wafer by organic solvent permeation and separation, which comprises the following steps of modifying, bonding, thinning, separating bonding, soaking, dissolving and cleaning. The invention adopts the porous glass carrier plate matched with the composite adhesive film, can provide a process of grinding and thinning the back surface of the foundation matched with the ultrathin wafer with high strength, has low cost and good mass production, can release the adhesion after the release layer is dissociated, has no adhesive force, has good dissociative bonding effect, and avoids the risk of breaking the ultrathin wafer due to external stress during removal. The problems that in the prior art, when an ultrathin wafer is de-bonded, a release layer between a glass carrier plate and an adhesive can be de-structured, but the manufacturing risk of the ultrathin wafer is still high due to stress change generated by stripping the adhesive from the surface of the wafer, the time required for complete dissolution and stripping is long, and the production efficiency and feasibility are poor are solved by adopting a pure soaking mode.
However, this technique does not relate to the technical problem and technical solution of the present application.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the single-sided thinning ultrathin glass cutting dissociation structure which has a simple structure, can conveniently and rapidly realize the single-sided thinning of ultrathin glass after the glass product is etched, reliably protects the product, avoids the deformation of the product, reduces the damage rate of the product and avoids the bad edge of the product.
The technical scheme adopted by the utility model is as follows:
The utility model relates to a single-sided thinning ultrathin glass cutting dissociation structure which comprises a spacing paper and an acid-resistant film, wherein the size of the spacing paper is larger than that of an effective area of a glass substrate, the size of the acid-resistant film is larger than that of the effective area of the glass substrate, and the size of the glass substrate before cutting is larger than that of a finished glass substrate.
The acid-resistant film comprises a body part and a flanging part, wherein the flanging part is arranged along a circle of one side surface of the body part, and the horizontal section size of a groove body formed by the body part and the flanging part is equal to the size of the spacing paper.
The size of the spacing paper comprises the length and the width of the spacing paper, and the size of the acid-resistant film comprises the length and the width of the acid-resistant film.
The size of the effective area of the glass substrate comprises the length and the width of the effective area, the size of the glass substrate before cutting comprises the length and the width, and the size of the finished glass substrate comprises the length and the width.
The glass substrate comprises an effective area positioned at the middle part and an ineffective area positioned at the peripheral part of one side surface.
Before the single-sided thinning ultrathin glass is etched, the edge folding part of the acid-resistant film is of a structure capable of being attached to an ineffective area at the edge of the glass substrate, and the spacing paper is of a structure positioned in the groove body.
The length of the acid-resistant film is equal to the length of the glass substrate before cutting, and the width of the acid-resistant film is equal to the width of the glass substrate before cutting.
The length of the glass substrate before cutting is more than 1mm, and the width of the glass substrate before cutting is more than 1 mm.
The acid-resistant film is a UV film.
By adopting the technical scheme of the utility model, the working principle and the beneficial effects are as follows:
According to the single-sided thinning ultrathin glass cutting dissociation structure, the spacer paper and the acid-resistant film are manufactured according to the model and the size of a specific glass substrate. And the respective sizes of the spacer, the acid-resistant film and the glass substrate and the corresponding sizes are set. Thus, the cutting dissociation requirement of the single-sided thinning ultrathin glass is met. When the single-sided thinning ultrathin glass processing is carried out, the spacer paper is placed in an effective area of the unetched facet of the glass substrate, and then the acid-resistant film is arranged on the unetched facet, so that the spacer paper is arranged in the groove body, and the edge folding part of the acid-resistant film is attached to the ineffective area of the edge of the glass substrate, and the unetched facet of the glass substrate is protected. After the glass substrate is completed, dissociation is needed, and the dissociation adopts a cutting mode. The glass product is horizontally placed on a cutting platform, is fixed by vacuum adsorption, is cut along a cutting icon by laser cutting, and is directly cut off all ineffective areas of the acid-resistant film, the release paper and the product. Then, vacuum adsorption is closed, the cut part is removed, and then the acid-resistant film and release paper are removed together, so that the product can be taken out by using the sucking disc, and dissociation is completed. Therefore, the glass substrate is not dissociated in an illumination mode, the problem that the acid-proof film (dissociated film) is curled to warp after illumination is avoided, and the defect that the product is cracked and damaged is naturally avoided. In addition, the method is used for tearing the film after cutting, the edge folding part of the acid-proof film is mainly cut during cutting, the acid-proof film is separated from the glass substrate after cutting, the acid-proof film is taken away, no external force is generated on the glass substrate, and the serious damage rejection problem caused by the fact that the acid-proof film is too thin after etching of the product is avoided.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
FIG. 1 is a schematic structural view of a spacer paper with a single-sided thinned ultrathin glass cutting dissociation structure according to the utility model;
FIG. 2 is a schematic structural view of an acid-proof film with a single-sided thinned ultrathin glass cutting dissociation structure according to the utility model;
FIG. 3 is a schematic view of a glass substrate with a single-sided thinned ultrathin glass cutting dissociation structure according to the utility model;
FIG. 4 is a schematic cross-sectional structure diagram of the single-sided thinned ultrathin glass before cutting and dissociation;
the figures are respectively 1, spacing paper, 2, acid-resistant film, 3, glass substrate, 4, effective area, 5, main body part, 6, edge folding part, 7, groove body, 8, and ineffective area.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present utility model by describing examples in further detail:
As shown in fig. 1-4, the utility model discloses a single-sided thinning ultrathin glass cutting dissociation structure, which comprises a spacing paper 1 and an acid-resistant film 2, wherein the size of the spacing paper 1 is larger than that of an effective area 4 of a glass substrate 3, the size of the acid-resistant film 2 is larger than that of the effective area 4 of the glass substrate 3, and the size of the glass substrate 3 before cutting is larger than that of a finished product of the glass substrate 3. The structure provides an improved technical scheme aiming at the defects in the prior art. In the structural arrangement, the spacer 1 and the acid-resistant film 2 are manufactured according to the model and the size of the specific glass substrate 3. The respective sizes of the spacer 1, the acid-resistant film 2, and the glass substrate 3 are set to the corresponding sizes. Thus, the cutting dissociation requirement of the single-sided thinning ultrathin glass is met. In the process of single-sided thinning ultrathin glass processing, the spacer paper 1 is placed in an effective area 4 of an unetched surface of a glass substrate, and then the acid-resistant film 2 is arranged on the unetched surface, so that the spacer paper 1 is arranged to be positioned in the groove body 7, and the folded edge part 6 of the acid-resistant film 2 is attached to an ineffective area 8 at the edge of the glass substrate 3, and the unetched surface of the glass substrate 3 is protected. After the glass substrate 3 is completed, dissociation is needed, and the dissociation adopts a cutting mode and no longer adopts an illumination mode. The glass substrate (glass product, product) is horizontally placed on a cutting platform, the glass substrate is fixed by vacuum adsorption, laser cutting is adopted, cutting is carried out along a cutting icon, and the acid-resistant film 2, the release paper 1 and the ineffective area of the glass substrate 3 are completely cut off directly. Then, vacuum adsorption is closed, the cut part is removed, and then the acid-resistant film and release paper are removed together, so that the product can be taken out by using the sucking disc, and dissociation is completed. Therefore, the glass substrate is not dissociated in an illumination mode, the problem that the acid-proof film (dissociated film) 2 is curled to warp after illumination is avoided, and the defect that glass products are cracked to produce damage is naturally avoided. In addition, the method in the prior art is to tear the membrane after cutting, and mainly cuts the acid-proof membrane flanging part during cutting, so that the acid-proof membrane is separated from the glass substrate after cutting, no external force is generated on the glass substrate when the acid-proof membrane is taken away, and the serious damage rejection problem caused by the fact that the acid-proof membrane is too thin (50 um) after etching of the product is avoided. The single-sided thinning ultrathin glass cutting dissociation structure is simple in structure, and can conveniently and quickly realize the rapid dissociation of the ultrathin glass after the glass product is etched, and meanwhile, the product is reliably protected, the deformation of the product is avoided, the damage rate of the product is reduced, and the bad edges of the product are avoided.
The acid-resistant film 2 comprises a body part 5 and a flanging part 6, wherein the flanging part 6 is arranged along the periphery of one side surface of the body part 5, and the horizontal section size of a groove 7 formed by the body part 5 and the flanging part 6 is equal to the size of the spacing paper 1. In the above structure, the spacer paper, the acid-proof film and the glass substrate can be square or rectangular, and when the single-sided thinning ultrathin glass processing is specifically performed, the spacer paper 1 is placed in the effective area 4 of the unetched facet of the glass substrate, and then the acid-proof film 2 is arranged on the unetched surface, so that the spacer paper 1 is arranged to be positioned in the groove body 7, and the edge folding part 6 of the acid-proof film 2 is attached to the ineffective area 8 at the edge of the glass substrate 3, thereby protecting the unetched facet of the glass substrate 3.
The size of the spacing paper 1 comprises the length and the width of the spacing paper 1, and the size of the acid-resistant film 2 comprises the length and the width of the acid-resistant film 2. The size of the effective area 4 of the glass substrate 3 comprises the length and the width of the effective area 4, the size of the glass substrate 3 before cutting comprises the length and the width, and the size of the finished glass substrate 3 comprises the length and the width. The glass substrate 3 comprises an effective area 4 positioned at the middle part and an ineffective area 8 positioned at the peripheral part of one side surface. In the above-described structure, before the time of the etching, it is necessary to protect the unetched surface of the glass substrate with a spacer paper and an acid-proof film. The glass substrate is slightly larger in size before being cut, so that subsequent cutting is facilitated, and the size of a required glass substrate finished product is just the size after being cut. And the edge is cut, so that the edge is of a structure which is not affected by etching, the quality of the end edge is effectively ensured, and the problems in the prior art are eliminated.
When the single-sided thinning ultrathin glass is etched, the edge folding part 6 of the acid-resistant film 2 is in a structure capable of being attached to the invalid region 8 at the edge of the glass substrate 3, and the spacing paper 1 is in a structure positioned in the groove body 7. The length of the acid-resistant film 2 is equal to the length of the glass substrate 3 before cutting, and the width of the acid-resistant film 2 is equal to the width of the glass substrate 3 before cutting. In the above structure, before the time, the glass substrate, the acid-proof film and the spacer paper are bonded together, so that the unetched surface of the glass substrate is reliably protected. Etching, and cutting to obtain the glass product.
The length of the glass substrate 3 before cutting is more than 1mm of the finished product length of the glass substrate 3, and the width of the glass substrate 3 before cutting is more than 1mm of the finished product width of the glass substrate 3. According to the structure, when the glass substrate is prepared, namely, four sides are respectively increased by more than 1cm, invalid areas are formed and used for subsequent cutting, and a glass substrate finished product meeting the size requirement is obtained after cutting, so that the existing problem is solved.
Because the single-sided thinning ultrathin glass cutting dissociation structure does not use an illumination dissociation mode, UV is not used, and the structure is replaced by a common acid-resistant film, so that the cost is reduced.
According to the single-sided thinning ultrathin glass cutting dissociation structure, when the structure is arranged, the spacing paper 1 and the acid-resistant film 2 are manufactured according to the model and the size of the specific glass substrate 3. The respective sizes of the spacer 1, the acid-resistant film 2, and the glass substrate 3 are set to the corresponding sizes. Thus, the cutting dissociation requirement of the single-sided thinning ultrathin glass is met. In the process of single-sided thinning ultrathin glass processing, the spacer paper 1 is placed in an effective area 4 of an unetched surface of a glass substrate, and then the acid-resistant film 2 is arranged on the unetched surface, so that the spacer paper 1 is arranged to be positioned in the groove body 7, and the folded edge part 6 of the acid-resistant film 2 is attached to an ineffective area 8 at the edge of the glass substrate 3, and the unetched surface of the glass substrate 3 is protected. After the glass substrate 3 is completed, dissociation is needed, and the dissociation adopts a cutting mode and no longer adopts an illumination mode. The glass substrate (glass product, product) is horizontally placed on a cutting platform, the glass substrate is fixed by vacuum adsorption, laser cutting is adopted, cutting is carried out along a cutting icon, and the acid-resistant film 2, the release paper 1 and the ineffective area of the glass substrate 3 are completely cut off directly. Then, vacuum adsorption is closed, the cut part is removed, and then the acid-resistant film and release paper are removed together, so that the product can be taken out by using the sucking disc, and dissociation is completed. Therefore, the glass substrate is not dissociated in an illumination mode, the problem that the acid-proof film (dissociated film) 2 is curled to warp after illumination is avoided, and the defect that glass products are cracked to produce damage is naturally avoided. In addition, the method in the prior art is to tear the membrane after cutting, and mainly cuts the acid-proof membrane flanging part during cutting, so that the acid-proof membrane is separated from the glass substrate after cutting, no external force is generated on the glass substrate when the acid-proof membrane is taken away, and the serious damage rejection problem caused by the fact that the acid-proof membrane is too thin (50 um) after etching of the product is avoided.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the utility model is not limited by the foregoing, but rather is within the scope of the utility model as long as various modifications are made by the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without modification.
Claims (9)
1. A single-sided thinning ultrathin glass cutting dissociation structure is characterized by comprising a piece of spacing paper (1) and an acid-resistant film (2), wherein the size of the spacing paper (1) is larger than that of an effective area (4) of a glass substrate (3), the size of the acid-resistant film (2) is larger than that of the effective area (4) of the glass substrate (3), and the size of the glass substrate (3) before cutting is larger than that of a finished product of the glass substrate (3).
2. The structure of claim 1, wherein the acid-resistant film (2) comprises a body (5) and a flange (6), the flange (6) is disposed along a circumference of a side surface of the body (5), and a horizontal cross-sectional dimension of a groove (7) formed by the body (5) and the flange (6) is equal to a dimension of the spacer (1).
3. The single-sided thinned ultrathin glass cutting dissociation structure as claimed in claim 1 or 2, wherein the dimension of the spacer paper (1) comprises the length and width of the spacer paper (1), and the dimension of the acid-resistant film (2) comprises the length and width of the acid-resistant film (2).
4. The single-sided thinned ultrathin glass cutting dissociation structure as claimed in claim 1 or 2, wherein the effective region (4) of the glass substrate (3) has a length and a width of the effective region (4), the glass substrate (3) has a pre-cutting dimension of length and width, and the glass substrate (3) has a finished dimension of length and width.
5. The single-sided thinned ultrathin glass cutting dissociation structure of claim 2, wherein the glass substrate (3) comprises an effective region (4) at the middle part and an ineffective region (8) at the peripheral part of one side surface.
6. The structure according to claim 5, wherein the edge folding portion (6) of the acid-resistant film (2) is formed so as to be able to be bonded to the inactive area (8) of the edge of the glass substrate (3) when the single-sided thinned ultra-thin glass is etched, and the spacer paper (1) is formed so as to be positioned in the groove (7).
7. The single-sided thinned ultrathin glass cutting dissociation structure of claim 3, wherein the length of the acid-resistant film (2) is equal to the length of the glass substrate (3) before cutting, and the width of the acid-resistant film (2) is equal to the width of the glass substrate (3) before cutting.
8. The single-sided thinned ultrathin glass cutting dissociation structure of claim 4, wherein the length of the glass substrate (3) before cutting is more than 1mm longer than the finished product length of the glass substrate (3), and the width of the glass substrate (3) before cutting is more than 1mm longer than the finished product width of the glass substrate (3).
9. The single-sided thinned ultrathin glass cutting dissociation structure of claim 1 or 2, wherein the acid-resistant film (2) is a UV film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420633911.7U CN222097226U (en) | 2024-03-29 | 2024-03-29 | A single-sided thinned ultra-thin glass cutting and dissociation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420633911.7U CN222097226U (en) | 2024-03-29 | 2024-03-29 | A single-sided thinned ultra-thin glass cutting and dissociation structure |
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| Publication Number | Publication Date |
|---|---|
| CN222097226U true CN222097226U (en) | 2024-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420633911.7U Active CN222097226U (en) | 2024-03-29 | 2024-03-29 | A single-sided thinned ultra-thin glass cutting and dissociation structure |
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| Country | Link |
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| CN (1) | CN222097226U (en) |
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- 2024-03-29 CN CN202420633911.7U patent/CN222097226U/en active Active
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