CN112408806A - Processing method of K9 ultrathin glass - Google Patents
Processing method of K9 ultrathin glass Download PDFInfo
- Publication number
- CN112408806A CN112408806A CN202011275361.9A CN202011275361A CN112408806A CN 112408806 A CN112408806 A CN 112408806A CN 202011275361 A CN202011275361 A CN 202011275361A CN 112408806 A CN112408806 A CN 112408806A
- Authority
- CN
- China
- Prior art keywords
- glass
- thinning
- processing
- cutting
- ultrathin
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
Abstract
The invention relates to the technical field of optical glass processing, in particular to a processing method of K9 ultrathin glass, which comprises the following steps: firstly, cutting a thick K9 glass brick raw material to obtain a K9 glass sheet serving as a semi-finished product for later use; then, polishing and thinning the obtained K9 glass sheet for multiple times, specifically comprising the processes of physical thinning, attaching and fixing, chemical thinning, cleaning, mechanical thinning and dispergation to obtain K9 ultrathin glass; next, cutting and inspecting the finished product; and finally, packaging and storing the finally obtained product. The invention gives full play to the advantages of physical thinning, chemical thinning and mechanical thinning, has high thinning rate and controllable thinning thickness, and obtains the K9 ultrathin glass with ideal thickness and smooth surface; by adopting the top-spraying waterfall flow type chemical thinning method, the etching solution can be recycled, the energy and the cost are saved, the automation degree of industrial production is improved, and the method is favorable for popularization and application.
Description
Technical Field
The invention relates to the technical field of optical glass processing, in particular to a processing method of K9 ultrathin glass.
Background
In the last twenty-three decades, the optical industry has developed rapidly, becoming the focus of emerging industries worldwide. The design and manufacture of optical components and the like has also changed dramatically with the advancement of optical technology. With the continuous development of the field of optical glass, the demand of optical glass is increasing.
The K9 optical glass has the advantage of incomparable optical performance in the optical field, and is a typical optical material. The glass has the characteristics far higher than that of common glass, is mainly used for optical filters, telescopes and the like, and in the existing market, the K9 glass is often used for processing various ornaments due to the similar permeability of the glass and the crystal, and can achieve the effect of being falsified and misverished after being cut and polished. With the continuous development of the optical industry, the application range of the K9 glass is more extensive, and the K9 glass comprises a plurality of fields such as national defense and civil use.
K9 glass has different specific parameter indexes, and can be manufactured into ultrathin lenses to facilitate researchers to successfully achieve a certain purpose; the application of the K9 glass is closely related to the processing precision, and the performance of the K9 glass in the application is directly related to the performance of the K9 glass, so that the K9 glass needs to be deeply processed to highlight the excellent optical performance of the K9 glass. Therefore, it is critical to improve the precision of the processing of the K9 glass and to produce a satisfactory ultra-thin glass.
At present, the glass thinning technology mainly comprises a physical thinning technology and a chemical thinning technology, wherein the surface is flat and smooth after physical thinning and grinding, the thickness can be accurately controlled, special chemicals are not needed for processing, but the general processing time is longer, the glass thinning technology is only suitable for thinning small-size glass, is not beneficial to mass production, and hinders the development of the glass; the chemical thinning speed is high, the surface is more uniform, the thinning speed and the thickness can be controlled by adjusting the acidity and the time of the etching solution, and the chemical thinning method is very suitable for industrial production, but the chemical etching surface is difficult to control, which is also a great problem for limiting the application of the chemical etching.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a method for processing K9 glass into an extremely thin glass with a thickness of 0.1mm or less by studying multiple polishing and thinning processes including physical thinning and chemical thinning, and also to ensure that the excellent optical properties of K9 glass are not changed. In order to realize the purpose of the invention, the following technical scheme is adopted:
a processing method of K9 ultrathin glass comprises the following steps:
cutting of raw materials: cutting the thick K9 glass brick raw material to obtain a K9 glass sheet with the thickness of less than 0.3mm, and using the K9 glass sheet as a semi-finished product for later use;
polishing and thinning for several times: adopting a multiple thinning technology comprising physical thinning, chemical thinning and mechanical thinning to polish and thin the K9 glass sheet obtained in the steps for many times, and specifically comprising the following steps:
(1) and (3) physical thinning: grinding and polishing the K9 glass sheet obtained in the step by a grinding and polishing mode to thin the sheet and clean the sheet;
(2) attaching and fixing: the physically thinned glass sheet is adhered to a special carrier plate through glue for fixing, because when K9 glass is thinned to a certain degree, the physical properties of the glass can be changed, and in order to ensure that the glass cannot deform during thinning, the carrier plate is required to be used for fixing so as to ensure the uniformity of glass thinning;
(3) chemical thinning: adding a treatment liquid to the surface of the fixed glass obtained in the step by a top-spraying waterfall flow type thinning method, and chemically etching and thinning for a period of time, wherein the treatment liquid is a mixed strong acid comprising hydrofluoric acid, nitric acid, hydrochloric acid and ethylene glycol monobutyl ether;
(4) cleaning: cleaning the chemically thinned glass obtained in the step, and then dehydrating and drying the glass to dilute and remove the residual treatment solution;
(5) mechanical thinning: polishing and thinning the cleaned glass by using a brush to further thin the glass and increase permeability;
(6) and (3) gel releasing: namely washing off the gluing glue of the final finished product to separate the gluing glue from the carrier plate, thereby obtaining the K9 ultrathin glass with the thickness of less than 0.1 mm;
cutting a finished product: cutting the obtained K9 ultrathin glass into the shape required by the product by a cutting machine according to the requirement;
and (4) checking: carrying out correlation performance test on the obtained finished product;
packaging: and packaging and storing the finally obtained product.
Preferably, the cutting of the K9 glass brick raw material adopts a linear cutting technology, and the linear cutting process is selected, so that the generation of vertical cracks and transverse cracks in the processing process of cutting K9 glass can be reduced to the greatest extent, and the success rate of K9 ultrathin glass processing is greatly increased.
Preferably, the grinding and polishing in the physical thinning process is one of an automatic grinding mode or a manual grinding mode.
Preferably, the treatment liquid comprises 5-15% of hydrofluoric acid, 0.5-1.5% of nitric acid, 1.5-4.5% of hydrochloric acid and 0.1-0.2% of butyl cellosolve by weight of the treatment liquid.
Preferably, the treatment liquid contains 10% hydrofluoric acid, 1.2% nitric acid, 3.5% hydrochloric acid and 0.1% butyl cellosolve by weight of the treatment liquid.
Preferably, the temperature of the treatment liquid is 28 to 35 ℃.
Preferably, the chemical etching thinning time is 2-4 hours.
Preferably, deionized water is adopted in the cleaning process to clean K9 ultrathin glass, the cleaning temperature is 25-40 ℃, and the cleaning time is 10-20 minutes.
Preferably, the product is circular or rectangular in shape.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention adopts a method of combining a sheet cutting technology and a fractional polishing thinning technology, and the fractional polishing thinning technology combines physical thinning, chemical thinning and mechanical thinning for multiple times, fully exerts the advantages of the physical thinning, the chemical thinning and the mechanical thinning, accelerates the thinning rate, has controllable thinned thickness, overcomes the problem of difficult thinning caused by high hardness, strong rigidity and good wear resistance of K9 glass, and obtains the K9 ultrathin glass with ideal thickness.
(2) The top-spraying waterfall flow type chemical thinning method is adopted, namely, the etching solution forms waterfall flow on the surface of the liquid crystal panel/glass substrate through a specific liquid supply device at the top, parameters such as temperature, pressure, flow and the like of the etching solution are fully automatically and accurately controlled, and the method has the characteristics of high thinning efficiency and low polishing proportion; the formed waterfall flow can effectively wash away the etched reaction sediment, so that appearance defects are avoided, and the etching precision and efficiency are remarkably improved; the filtered etching solution can be recycled, so that energy and cost are saved; in addition, the mode can realize unattended operation of automatic control of the production process, and the automation degree of industrial production is improved.
(3) According to the invention, through physical thinning, chemical thinning and mechanical thinning, the K9 ultrathin glass with a flat and smooth surface and an accurately controllable thickness is finally obtained, the optical performance of the K9 ultrathin glass can be ensured to be unchanged and stable, the integral method is simple, the practicability is strong, and the popularization and the application are facilitated.
Drawings
FIG. 1 is a general flow chart of the K9 ultra-thin glass processing method of the present invention;
FIG. 2 is a flow chart of the fractional polishing and thinning process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Detailed description of the preferred embodiment 1
A processing method of K9 ultrathin glass comprises the following steps:
step S101: cutting of raw materials: cutting the thick K9 glass brick raw material by adopting a linear cutting technology to obtain a K9 glass sheet with the thickness of 0.28mm, and taking the K9 glass sheet as a semi-finished product for later use;
step S102: polishing and thinning for several times: adopting a multiple thinning technology comprising physical thinning, chemical thinning and mechanical thinning to polish and thin the K9 glass sheet obtained in the steps for many times, and specifically comprising the following steps:
step S201: and (3) physical thinning: carrying out double-sided grinding, polishing and thinning on the K9 glass sheet obtained in the step by an automatic grinding and polishing mode, and cleaning;
step S202: attaching and fixing: the physically thinned glass sheet is adhered to a special carrier plate through glue to be fixed;
step S203: chemical thinning: adding a treatment solution with the temperature of 28 ℃ to the fixed glass surface obtained in the step by a top-spraying waterfall flow type thinning method, and carrying out chemical etching and thinning for 4 hours, wherein the treatment solution comprises 5% of hydrofluoric acid, 0.5% of nitric acid, 1.5% of hydrochloric acid and 0.1% of ethylene glycol monobutyl ether by taking the weight of the treatment solution as a reference;
step S204: cleaning: washing the chemically thinned glass obtained in the step for 10 minutes by using deionized water at 25 ℃, and then dehydrating and drying to dilute and remove the residual treatment solution;
step S205: mechanical thinning: polishing and thinning the cleaned glass by using a brush to further thin the glass and increase permeability;
step S206: and (3) gel releasing: washing off the bonding glue of the final finished product to separate the bonding glue from the carrier plate, thereby obtaining the K9 ultrathin glass with the thickness of 0.08 mm;
step S103: cutting a finished product: cutting the obtained K9 ultrathin glass into circles by a cutting machine according to requirements;
step S104: and (4) checking: carrying out correlation performance inspection on the obtained finished product, wherein the specific inspection contents comprise surface roughness, whether burrs exist, whether the finished product is clean, whether obvious defects exist, whether impurities exist, spectral transmittance and the like;
step S105: packaging: and packaging and storing the finally obtained product.
Specific example 2
A processing method of K9 ultrathin glass comprises the following steps:
step S101: cutting of raw materials: cutting the thick K9 glass brick raw material by adopting a linear cutting technology to obtain a K9 glass sheet with the thickness of 0.26mm, and taking the K9 glass sheet as a semi-finished product for later use;
step S102: polishing and thinning for several times: adopting a multiple thinning technology comprising physical thinning, chemical thinning and mechanical thinning to polish and thin the K9 glass sheet obtained in the steps for many times, and specifically comprising the following steps:
step S201: and (3) physical thinning: carrying out double-sided grinding, polishing and thinning on the K9 glass sheet obtained in the step by a manual grinding and polishing mode, and cleaning;
step S202: attaching and fixing: the physically thinned glass sheet is adhered to a special carrier plate through glue to be fixed;
step S203: chemical thinning: adding a treatment solution with the temperature of 35 ℃ to the fixed glass surface obtained in the step by a top-spraying waterfall flow type thinning method, and carrying out chemical etching and thinning for 2 hours, wherein the treatment solution comprises 15% of hydrofluoric acid, 1.5% of nitric acid, 4.5% of hydrochloric acid and 0.2% of ethylene glycol monobutyl ether by taking the weight of the treatment solution as a reference;
step S204: cleaning: cleaning the chemically thinned glass obtained in the step for 20 minutes by using deionized water at 40 ℃, and then dehydrating and drying to dilute and remove the residual treatment solution;
step S205: mechanical thinning: polishing and thinning the cleaned glass by using a brush to further thin the glass and increase permeability;
step S206: and (3) gel releasing: washing off the bonding glue of the final finished product to separate the bonding glue from the carrier plate, thereby obtaining the K9 ultrathin glass with the thickness of 0.06 mm;
step S103: cutting a finished product: cutting the obtained K9 ultrathin glass into rectangles by a cutting machine according to requirements;
step S104: and (4) checking: carrying out correlation performance inspection on the obtained finished product, wherein the specific inspection contents comprise surface roughness, whether burrs exist, whether the finished product is clean, whether obvious defects exist, whether impurities exist, spectral transmittance and the like;
step S105: packaging: and packaging and storing the finally obtained product.
Specific example 3
The processing method of the K9 ultrathin glass comprises the following steps:
step S101: cutting of raw materials: cutting the thick K9 glass brick raw material by adopting a linear cutting technology to obtain a K9 glass sheet with the thickness of 0.28mm, and taking the K9 glass sheet as a semi-finished product for later use;
step S102: polishing and thinning for several times: adopting a multiple thinning technology comprising physical thinning, chemical thinning and mechanical thinning to polish and thin the K9 glass sheet obtained in the steps for many times, and specifically comprising the following steps:
step S201: and (3) physical thinning: carrying out double-sided grinding, polishing and thinning on the K9 glass sheet obtained in the step by an automatic grinding and polishing mode, and cleaning;
step S202: attaching and fixing: the physically thinned glass sheet is adhered to a special carrier plate through glue to be fixed;
step S203: chemical thinning: adding a treatment solution with the temperature of 30 ℃ to the fixed glass surface obtained in the step by a top-spraying waterfall flow type thinning method, and carrying out chemical etching and thinning for 3 hours, wherein the treatment solution comprises 10% of hydrofluoric acid, 1.2% of nitric acid, 3.5% of hydrochloric acid and 0.1% of ethylene glycol monobutyl ether by taking the weight of the treatment solution as a reference;
step S204: cleaning: washing the chemically thinned glass obtained in the step for 15 minutes by using deionized water at 35 ℃, and then dehydrating and drying to dilute and remove the residual treatment solution;
step S205: mechanical thinning: polishing and thinning the cleaned glass by using a brush to further thin the glass and increase permeability;
step S206: and (3) gel releasing: washing off the bonding glue of the final finished product to separate the bonding glue from the carrier plate, thereby obtaining the K9 ultrathin glass with the thickness of 0.07 mm;
step S103: cutting a finished product: cutting the obtained K9 ultrathin glass into circles by a cutting machine according to requirements;
step S104: and (4) checking: carrying out correlation performance inspection on the obtained finished product, wherein the specific inspection contents comprise surface roughness, whether burrs exist, whether the finished product is clean, whether obvious defects exist, whether impurities exist, spectral transmittance and the like;
step S105: packaging: and packaging and storing the finally obtained product.
And (3) detection results: as shown in the table:
as can be seen from the table, the K9 ultrathin glass prepared by the processing method of the K9 ultrathin glass described in the embodiments 1 to 3 has the thickness of less than 0.1mm, the light transmittance of more than 86%, smooth and non-rough surface, cleanness, no burr, no obvious defect and impurity, good uniformity of the prepared K9 ultrathin glass, ideal thickness of the K9 ultrathin glass, and capability of ensuring optical performance of the K9 glass, and the result shows that the processing method of the K9 ultrathin glass provided by the invention is spectrum-dependent and practical. Compared with the prior art, the invention adopts the method of combining the thin sheet cutting technology and the fractional polishing thinning technology, the physical thinning, the chemical thinning and the mechanical thinning are carried out in a fractional manner, the problem of difficult thinning caused by high hardness, strong rigidity and good wear resistance of K9 glass is solved, the integral method is simple, the practicability is strong, and the popularization and the application are facilitated.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can understand that the changes or modifications within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention should be subject to the protection scope of the claims.
Claims (9)
1. A processing method of K9 ultrathin glass is characterized in that: the method comprises the following steps:
cutting of raw materials: cutting the thick K9 glass brick raw material to obtain a K9 glass sheet with the thickness of less than 0.3mm, and using the K9 glass sheet as a semi-finished product for later use;
polishing and thinning for several times: adopting a multiple thinning technology comprising physical thinning, chemical thinning and mechanical thinning to polish and thin the K9 glass sheet obtained in the steps for many times, and specifically comprising the following steps:
(1) and (3) physical thinning: grinding and polishing the K9 glass sheet obtained in the step by a grinding and polishing mode to thin the sheet and clean the sheet;
(2) attaching and fixing: the physically thinned glass sheet is adhered to a special carrier plate through glue to be fixed;
(3) chemical thinning: adding a treatment liquid to the surface of the fixed glass obtained in the step by a top-spraying waterfall flow type thinning method, and chemically etching and thinning for a period of time, wherein the treatment liquid is a mixed strong acid comprising hydrofluoric acid, nitric acid, hydrochloric acid and ethylene glycol monobutyl ether;
(4) cleaning: cleaning the chemically thinned glass obtained in the step, and then dehydrating and drying the glass to dilute and remove the residual treatment solution;
(5) mechanical thinning: polishing and thinning the cleaned glass by using a brush to further thin the glass and increase permeability;
(6) and (3) gel releasing: namely washing off the gluing glue of the final finished product to separate the gluing glue from the carrier plate, thereby obtaining the K9 ultrathin glass with the thickness of less than 0.1 mm;
cutting a finished product: cutting the obtained K9 ultrathin glass into the shape required by the product by a cutting machine according to the requirement;
and (4) checking: carrying out correlation performance test on the obtained finished product;
packaging: and packaging and storing the finally obtained product.
2. The method for processing K9 ultra-thin glass as claimed in claim 1, wherein: the K9 glass brick raw material is cut by adopting a wire cutting technology.
3. The method for processing K9 ultra-thin glass as claimed in claim 1, wherein: and the grinding and polishing in the physical thinning process is one of automatic grinding or manual grinding.
4. The method for processing K9 ultra-thin glass as claimed in claim 1, wherein: based on the weight of the treatment liquid, the treatment liquid comprises 5-15% of hydrofluoric acid, 0.5-1.5% of nitric acid, 1.5-4.5% of hydrochloric acid and 0.1-0.2% of butyl cellosolve.
5. The method for processing K9 ultrathin glass according to claim 4, wherein the method comprises the following steps: based on the weight of the treatment liquid, the treatment liquid comprises 10% of hydrofluoric acid, 1.2% of nitric acid, 3.5% of hydrochloric acid and 0.1% of ethylene glycol monobutyl ether.
6. The method for processing K9 ultrathin glass according to claim 5, wherein the method comprises the following steps: the temperature of the treatment liquid is 28-35 ℃.
7. The method for processing K9 ultrathin glass according to claim 6, wherein the method comprises the following steps: the time for thinning by chemical etching is 2-4 hours.
8. The method for processing K9 ultra-thin glass as claimed in claim 1, wherein: the cleaning process adopts deionized water to clean K9 ultrathin glass, the cleaning temperature is 25-40 ℃, and the cleaning time is 10-20 minutes.
9. The method for processing K9 ultra-thin glass as claimed in claim 1, wherein: the shape of the product is round or rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275361.9A CN112408806A (en) | 2020-11-16 | 2020-11-16 | Processing method of K9 ultrathin glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275361.9A CN112408806A (en) | 2020-11-16 | 2020-11-16 | Processing method of K9 ultrathin glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112408806A true CN112408806A (en) | 2021-02-26 |
Family
ID=74831251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011275361.9A Pending CN112408806A (en) | 2020-11-16 | 2020-11-16 | Processing method of K9 ultrathin glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112408806A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336448A (en) * | 2021-05-18 | 2021-09-03 | 江西欧迈斯微电子有限公司 | Glass etching solution and preparation method thereof, ultrathin glass substrate and etching method thereof |
| CN113372018A (en) * | 2021-06-18 | 2021-09-10 | 江西沃格光电股份有限公司 | Ultrathin glass, surface treatment method thereof and display device |
| CN113636758A (en) * | 2021-08-06 | 2021-11-12 | 河北光兴半导体技术有限公司 | Preparation method of ultrathin glass, ultrathin glass and application |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030025792A (en) * | 2001-09-21 | 2003-03-29 | 엘지.필립스 엘시디 주식회사 | Method for manufacturing Liquid Crystal Display Device having thin thickness |
| CN104934499A (en) * | 2014-03-17 | 2015-09-23 | 信越化学工业株式会社 | Methods For Working And Sensing Synthetic Quartz Glass Substrate |
| CN105776879A (en) * | 2016-01-29 | 2016-07-20 | 武汉华星光电技术有限公司 | Method for manufacturing thin glass substrate |
| CN107640907A (en) * | 2017-10-27 | 2018-01-30 | 惠州市清洋实业有限公司 | A kind of preprocess method of glass thinning |
| CN108101378A (en) * | 2017-12-28 | 2018-06-01 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of chemical thinning processes of silicate glass containing boron and aluminium without alkali |
| CN108637800A (en) * | 2018-06-15 | 2018-10-12 | 安徽今上显示玻璃有限公司 | A kind of display glass pre-polish(ing) thinning technique |
| CN110316970A (en) * | 2019-05-31 | 2019-10-11 | 中国建筑材料科学研究总院有限公司 | The preparation method of ultra-thin quartz glass piece |
| CN110885180A (en) * | 2019-10-30 | 2020-03-17 | 东莞市银泰玻璃有限公司 | Processing method of high-strength ultrathin glass |
-
2020
- 2020-11-16 CN CN202011275361.9A patent/CN112408806A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030025792A (en) * | 2001-09-21 | 2003-03-29 | 엘지.필립스 엘시디 주식회사 | Method for manufacturing Liquid Crystal Display Device having thin thickness |
| CN104934499A (en) * | 2014-03-17 | 2015-09-23 | 信越化学工业株式会社 | Methods For Working And Sensing Synthetic Quartz Glass Substrate |
| CN105776879A (en) * | 2016-01-29 | 2016-07-20 | 武汉华星光电技术有限公司 | Method for manufacturing thin glass substrate |
| CN107640907A (en) * | 2017-10-27 | 2018-01-30 | 惠州市清洋实业有限公司 | A kind of preprocess method of glass thinning |
| CN108101378A (en) * | 2017-12-28 | 2018-06-01 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of chemical thinning processes of silicate glass containing boron and aluminium without alkali |
| CN108637800A (en) * | 2018-06-15 | 2018-10-12 | 安徽今上显示玻璃有限公司 | A kind of display glass pre-polish(ing) thinning technique |
| CN110316970A (en) * | 2019-05-31 | 2019-10-11 | 中国建筑材料科学研究总院有限公司 | The preparation method of ultra-thin quartz glass piece |
| CN110885180A (en) * | 2019-10-30 | 2020-03-17 | 东莞市银泰玻璃有限公司 | Processing method of high-strength ultrathin glass |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336448A (en) * | 2021-05-18 | 2021-09-03 | 江西欧迈斯微电子有限公司 | Glass etching solution and preparation method thereof, ultrathin glass substrate and etching method thereof |
| CN113336448B (en) * | 2021-05-18 | 2023-01-13 | 江西欧迈斯微电子有限公司 | Glass etching solution and preparation method thereof, ultrathin glass substrate and etching method thereof |
| CN113372018A (en) * | 2021-06-18 | 2021-09-10 | 江西沃格光电股份有限公司 | Ultrathin glass, surface treatment method thereof and display device |
| CN113636758A (en) * | 2021-08-06 | 2021-11-12 | 河北光兴半导体技术有限公司 | Preparation method of ultrathin glass, ultrathin glass and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112408806A (en) | Processing method of K9 ultrathin glass | |
| CN103757707B (en) | A kind of complete processing of sapphire material mobile phone screen cover plate | |
| CN101656193B (en) | Technique for processing silicon chip | |
| CN107459262A (en) | A kind of processing method of glass camera eyeglass and its device of use | |
| CN1227730C (en) | Processing method of nano level saphire substrate and its special polishing liquid | |
| CN111362585A (en) | Single-side thinning processing method for liquid crystal display screen | |
| CN104088017A (en) | Sapphire mobile phone panel processing method | |
| CN103847032A (en) | Production process of large-diameter ultrathin quartz wafer | |
| CN210819064U (en) | Polishing pad for thinning glass substrate | |
| CN103698824A (en) | Coated sapphire cover plate and processing method thereof | |
| CN110885180A (en) | Processing method of high-strength ultrathin glass | |
| CN102172859B (en) | Processing method for ultrathin plain glass based on consolidated abrasive | |
| CN104238032B (en) | A kind of preparation method of miniaturization Y waveguide tail optical fiber | |
| CN113433618B (en) | On-chip integrated optical waveguide structure and preparation method thereof | |
| CN106430991B (en) | Flat glass substrate pickling solution and its reduction process | |
| CN111230598A (en) | Preparation method of 8-inch lithium niobate wafer | |
| CN109309142B (en) | Liquid source diffusion process before silicon wafer glass passivation | |
| CN102517584A (en) | Processing method for high reflectivity acid corrosion chip | |
| CN204118461U (en) | A kind of micro-dish resonant cavity based on fiber optical corrosive | |
| JPS61163641A (en) | Semiconductor wafer intermediate body | |
| CN102928893B (en) | Manufacturing method for optical planar substrate | |
| CN104760144A (en) | Manufacturing method of sapphire lens substrate | |
| CN103160930A (en) | Crystal bar surface nanocrystallization process, wafer manufacturing method and wafer | |
| CN116038555A (en) | Tandem polishing device for laser stripping silicon carbide thin slice | |
| CN114031303A (en) | Preparation method of high-precision ultrathin glass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210226 |
|
| RJ01 | Rejection of invention patent application after publication |