CN103979803A - Manufacturing technology for glass panel of electronic products - Google Patents
Manufacturing technology for glass panel of electronic products Download PDFInfo
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- CN103979803A CN103979803A CN201410101927.4A CN201410101927A CN103979803A CN 103979803 A CN103979803 A CN 103979803A CN 201410101927 A CN201410101927 A CN 201410101927A CN 103979803 A CN103979803 A CN 103979803A
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Abstract
A disclosed manufacturing technology for a glass panel of electronic products comprises the following steps: 1) performing patterning transferring, specifically printing an anticorrosive membrane resisting corrosion of hydrofluoric acid on an A surface and pre-drying, printing an anticorrosive membrane on B surface and completely drying; 2) performing chemical etching forming; 3) engraving glass edges and hole interiors; 4) performing secondary strengthening; 5) employing a sodium hydroxide solution to remove the anticorrosion membranes; 6) detecting appearance; and 7) packaging and delivering. The manufacturing technology for the glass panel of the electronic products can help to perform various model manufacturing on glass on the basis without destroy the glass strength and guarantee the precision, and also the production efficiency is effectively improved. The beneficial effects comprise that the technology substantially reduces the production process, substantially improves the production efficiency and the yield, substantially reduces the production cost and improves the processing precision, improves the chemical-strengthening strength and the bending strength of the glass, effectively prevents ITO lines and silkscreen patterns from being damaged.
Description
Technical field
The present invention relates to a kind of complete processing of glassy product, specifically, relate to a kind of technique of manufacturing electronic product face glass.
Background technology
Along with technology and growth in the living standard, increasing smart mobile phone, PDA(Personal Digital Assistant), notebook computer, auto-navigation system, MP4, net book (Net Book), as the electronic products such as i-Pad, i-watch enter daily life.
For easy to carry, people propose requirement light, Bao little Hua to these electronic products, so the design of these products has adopted small-sized plane indicating meter (Flat Display) mostly.The size of these flat-panel screens is little, accuracy requirement is high, has larger difficulty in processing technology, and in order to make, display product is more beautiful, longer service life, transmittance are higher, generally uses now glassy product as screen panel.Increasing electronic product is controlled by face glass touch operation, is called the electric touch screen epoch.
From know-why, distinguish touch-screen, can be divided into five basic kind: vector pressure sensing technology touch-screen, resistive technologies touch-screen, capacitance technology touch-screen, infrared technology touch-screen, surface acoustic wave technique touch-screen.
Traditional glass machining technique (have another name called and be CELL technique) mainly comprises following process: 1) large stretch of glass cutting is become to small pieces (Scriber), 2) corase grind (Crude Grinding), 3) precision work (engraving, Chamfering & Finish), 4) polishing (Polishing) or cleaning, 5) chemical tempering (Chemical Strength), 6) polishing or cleaning, 7) silk-screen (Screen printing), 8) making ITO circuit and electrode, 9) anti-fingerprint plated film (AF Coating), 10) final inspection, 11) packing shipment.
Mainly contain following several:
1) with diamond cutter, cut by corase grind the manufacture craft manufacture that fine grinding (engraving), punching etc. are complicated:
Cutting tool can only cut into square, and cut surface is very sharp, uneven.In order to make electronic product (containing mobile phone) outward appearance more beautiful, planners' panel designs of electronic product becomes various shape, and multiple curve is porose or have a shape of V-shaped groove.Processing the process of lapping that this series products need to be very long just can complete.Greatest problem is that glass is not only repeatedly subject to outside physical property shock to make strength decreased in the course of processing, and the cullet producing, abrasive material scuffing or pollution glass surface, and when serious, generating plane collapses, and limit collapses, and scuffing causes scrapping.
2) laser cutting parameter:
The high calorie laser that this process using is special, utilizes high temperature melting, glass-cutting that moment produces.Because glass is that hyalosome is not easy absorbing laser energy, so fusible glass below very large energy only.The uneven spination that shows as of its molten tangent plane.Maximum problem is the internal stress that Yin Gaowen produces, and destroys or reduction strength of glass.
3) dry etch process:
This is the complete processing (application number: 200910182566.X of Chinese invention patent glass for electronic product; Publication No.: CN 102020417).This technique has a lot of excellent features, is in the industry cycle paid close attention to widely and applies, but having following problem:
1.. etching precision poor (200-300 micron);
2.. etching face is more coarse, needs engraving, in when engraving, produces that limit collapses or face collapses equally;
3.. etching speed is slower;
4.. the hydrated aluminium silicate glass > > glass (Alumina Silicate Glass) of (potassium ion depth of penetration is greater than 20 microns) after cannot depth of cut chemical tempering, such as the Gorilla P series glass of U.S. CORNING (CORNING) company, but can cut the pure aluminium silicate P series glass of Asahi Glass (ASAHI) company.
What OGS Screen Technology was applied at present is a lot, OGS(One glass solution) structure: the technology that directly forms ITO conducting film and sensor on protective glass.A glass plays the dual function of protective glass and touch sensor simultaneously.From technological layer, OGS technology possesses following advantage than the G/G touch technology of current main flow: simple in structure, light, thin, light transmission is good; Save one deck glass cost and reduced the cost of once fitting; Alleviated weight; OGS can meet intelligent terminal ultrathin demand preferably, and promotes display effect, is the inevitable choice of High Tier Brand terminal in next year.Be beneficial to and reduce production costs, improve product yield.But the processing procedure that this technology faces induction line at present selects, the double problems such as adjustment of this strength maintenance having and quality stability, control chip while doing Watch glass, and Yield lmproved difficulty makes volume production manufacturer less.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of the present invention is to provide a kind of can glass being carried out various moulding manufactures and guarantee its precision not destroying on the basis that glass itself emphasizes, and the manufacturing process of the electronic product face glass that can effectively enhance productivity.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A manufacturing process for electronic product face glass, comprises the following steps:
Step 1) graphically shifts, the comprehensive silk screen web plate covering of face glass product design size graphic making 1:1 monolithic of carrying out chemical tempering processing+ink silk screen printing+ITO+ electrode+printing peelable glue protective membrane according to glass raw material, the order number of web plate is 80-350 order; Silk-screen alignment method is CCD automatic aligning; The etchant resist thickness of silk-screen is greater than 15um; Storing temperature is 120-180 ℃, and the time is 30-50 minute; Silk-screen top and bottom be less than ± 50um of aligning accuracy; Its concrete steps are as follows:
1.1) A face printing, the web plate of use is 80 ~ 350 orders, uses the CCD erosion-resisting etchant resist of the press printing thermohardening type of location automatically, the thickness of etchant resist printing is greater than 15um;
1.2) prebake conditions: the face glass that first surface has been printed to etchant resist is put into loft drier and toasted, and storing temperature is 150 ℃, and baking time is 30 minutes;
1.3) B face printing: the face glass that preliminary drying completes prints the etchant resist of second with same web plate and same printing condition, and print thickness is greater than 15um;
1.4) baking: the face glass that completes second printing etchant resist is put into loft drier and toast, storing temperature is 150 ℃, and baking time is 30-40 minute;
1.5) effectively the against corrosion translucent thermohardening type etchant resist in glass protection region can with the complete combination of glass, shape perfection is firm protective membrane (Mask) again.Therefore when chemical medicinal liquid etching, liquid medicine can not be penetrated under film and glass occur by the phenomenon of lateral erosion (Under Cut);
Further, the color of described thermohardening type etchant resist can mix the color and luster needing according to demand, and the color using in this technique is mainly light color;
Step 2) chemical milling, its concrete steps are as follows:
In the special-purpose etching machine of horizontal spray-type, carry out two-sided high-rate etching: transmission speed is that 0-2m/min, temperature are that 30-50 ℃, hydrofluoric acid concentration are that 10-35% v/v, sulfuric acid concentration are 10-35% v/v; Phosphatase 11-5%v/v; Etch-rate is up to micro-m/min of 70-80.
Step 3) glass edge engraving or grinding, its concrete steps are as follows:
To through hydrofluoric acid etch, become the glass of monolithic to be inserted in engraving machine loading plate with rete against corrosion, conveyer on machine table, and be accurately located the glass handling to be processed in loading plate by CCD vision system after vacuum suck; Utilize afterwards the carborundum electroplating bistrique on high speed SPI NDLE to grind while spraying water, according to processing formula, complete in order precision work whole process, after completing, by conveyer and robot system, glassy product is turned back in discharge tray;
Further, described generation converted products size while being less than 13 inches engraving 6 station/platforms are set; When described generation, converted products physical dimension was greater than 13 inches, engraving machine arranges 4 station/platforms;
2 strengthenings of step 4): through the product of above-mentioned steps 3, reparation property etching in edge and hole in the special-purpose hydrofluoric acid etch machine of horizontal overflow type, the micro-fractures that removal forms in engraving, limit such as collapses at the vestige, further improves toughened glass bending strength: transmission speed is 0-2m/min, temperature 30-50 ℃; Hydrofluoric acid concentration is that 5-20%v/v, sulfuric acid concentration are 5-20%v/v;
Step 5) striping: carry out striping in the membrane removal machine of horizontal spray-type, naoh concentration is that 3-5% v/v, temperature are 40-60 ℃, striping time 1-5 minute; After striping groove, be accompanied with cleaning, drying function;
Step 6) final inspection: the product after above-mentioned striping is carried out to visual inspection;
Step 7) packing shipment: without abnormal article, will pack rear shipment according to packing demand after visual inspection.
Further, also comprise following treatment process before step 1, its flow process is followed successively by chemical tempering, cleaning or polishing, seal silk, makes ITO circuit, makes ag paste electrode, anti-fingerprint plated film, peelable glue printing are with, cutting and check technique.
Further, described cutting and inspection technique, its concrete technology flow process is as follows:
The diamond cutter that diameter is 2mm is used in cutting, and the effective area of pattern is far from more than cut edge at least 300 μ m, with the naked eye checks whether face glass surface has scuffing, face to collapse or the surperficial bad phenomenon of bubble after cutting.
Further, thin engraving and glossing step below can increasing according to client's demand between step 3 and step 4.But due to the glassy product that utilizes technique of the present invention to work it out, not only size is accurate, and the smooth of the edge out of etching, without any limit collapse, face collapses, scuffing etc. is bad, may cancel all or part of finishing impression carving technology, because its cost is expensive, efficiency is low.
Beneficial effect of the present invention is as follows:
Compared with prior art, the manufacturing process of electronic product face glass of the present invention can be carried out various moulding manufactures and guarantee its precision glass not destroying on the basis that glass itself emphasizes, and can effectively enhance productivity, and has following beneficial effect:
1) invented technology can significantly reduce production process;
2) increase substantially production efficiency and yield;
3) significantly reduce production costs, improve working accuracy;
4) improve chemical tempering intensity and bending strength;
5) effectively protect ITO circuit and screen printing pattern.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present invention, is described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples.
Embodiment
Below in conjunction with embodiment, describe the present invention in detail.
A manufacturing process for electronic product face glass, comprises the following steps:
Step 1) graphically shifts, the comprehensive silk screen web plate covering of face glass product design size graphic making 1:1 monolithic of carrying out chemical tempering processing+ink silk screen printing+ITO+ electrode+printing peelable glue protective membrane according to glass raw material, the order number of web plate is approximately 80-350 order; Silk-screen alignment method is CCD automatic aligning; The etchant resist thickness of silk-screen is > 15um; Storing temperature is 120-180 ℃, and the time is 30-50 minute; Silk-screen top and bottom be less than ± 50um of aligning accuracy, described graphical transfer comprises the following steps:
1.1) A face printing, the web plate of use is 80-350 order, uses the CCD erosion-resisting etchant resist of the press printing thermohardening type of location automatically, the thickness of etchant resist printing is greater than 15um;
1.2) prebake conditions: the face glass that first surface has been printed to etchant resist is put into loft drier and toasted, and storing temperature is 150 ℃, and baking time is 30 minutes;
1.3) B face printing: the face glass that preliminary drying completes prints the etchant resist of second with same web plate and same printing condition, and print thickness is greater than 15um;
1.4) baking: the face glass that completes second printing etchant resist is put into loft drier and toast, storing temperature is 150 ℃, and baking time is 30-40 minute;
1.5) effectively the against corrosion translucent thermohardening type etchant resist in glass protection region can with the complete combination of glass, shape perfection is firm protective membrane (Mask) again.Therefore when chemical medicinal liquid etching, liquid medicine can not be penetrated under film and glass occur by the phenomenon of lateral erosion (Under Cut);
Further, the color of described thermohardening type etchant resist can mix the color and luster needing according to demand, and the color using in this technique is mainly light color;
Step 2) chemical milling: high-rate etching (H-Etching): carry out two-sided high-rate etching in the special-purpose etching machine of horizontal spray-type, transmission speed is that 0-2m/min, temperature are that 30-50 ℃, hydrofluoric acid concentration are that 10-35% v/v, sulfuric acid concentration are 10-35% v/v, and phosphoric acid concentration is 1-5%v/v; Etch-rate is up to micro-m/min of 70-80;
Step 3) glass edge engraving (grinding): will become the glass of monolithic to be inserted in engraving machine loading plate through hydrofluoric acid etch with rete against corrosion, conveyer on machine table, and is accurately located the glass handling to be processed in loading plate by CCD vision system after vacuum suck.Utilize afterwards the carborundum electroplating bistrique on high speed SPI NDLE to carve while spraying water, according to processing formula, complete in order precision work whole process, after completing, by conveyer and robot system, glass product glass is turned back in discharge tray;
2 strengthenings of step 4): through the product of above-mentioned steps 3, reparation property etching in edge and hole in the special-purpose hydrofluoric acid etch machine of horizontal overflow type, the vestiges such as the hallrcuts of the cutting position that removal forms in engraving process has, limit collapses, further improve the bending strength of toughened glass: transmission speed is 0-2 m/min, temperature 30-50 ℃; Hydrofluoric acid concentration is that 5-20%v/v, sulfuric acid concentration are 5-20%v/v;
Step 5) striping: carry out striping in the membrane removal machine of horizontal spray-type, naoh concentration is that 3-5% v/v, temperature are 40-60 ℃, striping time 1-5 minute; After striping groove, be accompanied with cleaning, drying function;
Step 6) final inspection: the product after striping is done to visual inspection, defective products is picked out separately separately;
Step 7) packing shipment: visual inspection is without abnormal article, according to guest's packing needs, by shipment after the packing of product.
Further, before step 1, also comprise and cut and check technique, technical process is as follows: use scribing machine or cutting machine, diamond cutter diameter is 2mm.Be mainly used in the former factory of big area glass cut into be easy to move compared with the glass of small area.Whether the protective membrane that with the naked eye checks face glass surface after cutting has the bad phenomenon such as scuffing.
Further, also comprise following treatment process before step 1, technical process is as follows: the peelable glue of use is protected in process chemical tempering, cleaning or polishing, ink silk screen printing, making ITO circuit, making electrode and anti-fingerprint plated film and printing successively;
Cutting into the large sheet glass that is easy to move, put into chemical chemical toughening furnace and carry out chemical tempering, after tempering is complete, carry out sheet and clean or polishing.Can greatly improve like this chemical tempering efficiency, reduce chemical tempering cost, and in follow-up operation, needn't consider the problems such as dimensional change brought because of chemical tempering.Large stretch of ink for screen printing, large stretch of ITO that makes.Make electrode.Complete the glass surface printed on both sides peelable glue after above-mentioned operation, pattern, circuit, electrode that above-mentioned each operation in protective glass surface is made.
Claims (7)
1. a manufacturing process for electronic product face glass, is characterized in that, comprises following flow process:
Step 1) graphically shifts, the comprehensive silk screen web plate covering of face glass product design size graphic making 1:1 monolithic of carrying out chemical tempering processing+ink silk screen printing+ITO+ electrode+printing peelable glue protective membrane according to glass raw material, the order number of web plate is 80-350 order; Silk-screen alignment method is CCD automatic aligning; The etchant resist thickness of silk-screen is greater than 15um; Storing temperature is 120-180 ℃, and the time is 30-50 minute; Silk-screen top and bottom be less than ± 50um of aligning accuracy; Its concrete steps are as follows:
1.1) A face printing, the web plate of use is 80-350 order, uses the CCD erosion-resisting etchant resist of the press printing thermohardening type of location automatically, the thickness of etchant resist printing is greater than 15um;
1.2) prebake conditions: the face glass that first surface has been printed to etchant resist is put into loft drier and toasted, and storing temperature is 150 ℃, and baking time is 30 minutes;
1.3) B face printing: the face glass that preliminary drying completes prints the etchant resist of second with same web plate and same printing condition, and print thickness is greater than 15um;
1.4) baking: the face glass that completes second printing etchant resist is put into loft drier and toast, storing temperature is 150 ℃, and baking time is 30-40 minute;
1.5) effectively the against corrosion translucent thermohardening type etchant resist in glass protection region can with the complete combination of glass, shape perfection is firm protective membrane (Mask) again; Therefore when chemical medicinal liquid etching, liquid medicine can not be penetrated under film and glass occur by the phenomenon of lateral erosion (Under Cut);
Step 2) chemical milling, its concrete steps are as follows:
In the special-purpose etching machine of horizontal spray-type, carry out two-sided high-rate etching: transmission speed is that 0-2m/min, temperature are that 30-50 ℃, hydrofluoric acid concentration are that 10-35% v/v, sulfuric acid concentration are 10-35% v/v; Phosphatase 11-5%v/v; Etch-rate divides up to 70-80um/;
Step 3) glass edge engraving, its concrete steps are as follows:
To through hydrofluoric acid etch, become the glass of monolithic to be inserted in engraving machine loading plate with rete against corrosion, conveyer on machine table, and be accurately located the glass handling to be processed in loading plate by CCD vision system after vacuum suck; Utilize afterwards the carborundum electroplating bistrique on high speed SPI NDLE to carve while spraying water, according to processing formula, complete in order precision work whole process, after completing, by conveyer and robot system, glassy product is turned back in discharge tray;
2 strengthenings of step 4): through the product of above-mentioned steps 3, reparation property etching in edge and hole in the special-purpose hydrofluoric acid etch machine of horizontal overflow type, the micro-fractures that removal forms in engraving, limit such as collapses at the vestige, further improves toughened glass bending strength: transmission speed is 0-2 m/min, temperature 30-50 ℃; Hydrofluoric acid concentration is that 5-20%v/v, sulfuric acid concentration are 5-20%v/v;
Step 5) striping: carry out striping in the membrane removal machine of horizontal spray-type, naoh concentration is that 3-5% v/v, temperature are 40-60 ℃, striping time 1-5 minute; After striping groove, be accompanied with cleaning, drying function;
Step 6) final inspection: the product after above-mentioned striping is carried out to visual inspection;
Step 7) packing shipment: without abnormal article, will pack rear shipment according to packing demand after visual inspection.
2. the manufacturing process of electronic product face glass according to claim 1, it is characterized in that: before step 1, also comprise that following treatment process, its flow process are followed successively by chemical tempering, cleaning or polishing, ink prints silk, AF plated film, makes ITO circuit, makes electrode, peelable glue printing, cuts and check technique.
3. the manufacturing process of electronic product face glass according to claim 1, is characterized in that: in step 1, the color of described thermohardening type etchant resist is light color.
4. the manufacturing process of electronic product face glass according to claim 1, is characterized in that: in step 1, described thermohardening type etchant resist can replace to UV curing etchant resist (ink), and its color is that light color is transparent.
5. the manufacturing process of electronic product face glass according to claim 1, is characterized in that: in step 3, if when described generation, converted products size was less than 13 inches, 6 stations arrange 1 engraving machine; When if described generation, converted products physical dimension was greater than 13 inches, 4 stations arrange 1 engraving machine.
6. the manufacturing process of electronic product face glass according to claim 1, is characterized in that: between step 2 and step 6, can increase roughhew and carve, carefully carve and glossing.
7. the manufacturing process of electronic product face glass according to claim 2, is characterized in that, described cuts and check technique, and its concrete technology flow process is as follows:
Whether adopt scribing machine or the cutting machine cutting former factory of big area glass that diamond cutter diameter is 2mm, cutting into the protective membrane compared with the naked eye checking face glass surface after the glass of small area that is easy to move has the bad phenomenon such as scuffing.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104556716A (en) * | 2014-12-30 | 2015-04-29 | 深圳南玻伟光导电膜有限公司 | Etching solution and secondary hardening method of glass for capacitive touch screen |
| CN105585241A (en) * | 2014-10-20 | 2016-05-18 | 浙江金徕镀膜有限公司 | Substrate processing method |
| CN105630255A (en) * | 2014-10-31 | 2016-06-01 | 昆山瑞咏成精密设备有限公司 | One-chip OGS (One Glass Solution) touch screen and manufacture method thereof |
| CN107201189A (en) * | 2017-07-11 | 2017-09-26 | 合肥东恒锐电子科技有限公司 | A kind of manufacture method of eyeshield radiation-proof display diaphragm |
| CN107331230A (en) * | 2016-10-28 | 2017-11-07 | 湖南机电职业技术学院 | A kind of intelligence manufacture production, teaching ＆ research platform processed towards Metal Flake handicraft |
| CN109542271A (en) * | 2018-11-26 | 2019-03-29 | 重庆津油纳米光学科技有限公司 | A kind of production method of touch screen |
| CN109581826A (en) * | 2019-01-07 | 2019-04-05 | 浙江宇鑫光学科技有限公司 | 3D glass picture and text forming method |
| CN109721253A (en) * | 2019-01-24 | 2019-05-07 | 凤阳硅谷智能有限公司 | A kind of preparation method of glass light guide plate |
| CN110156310A (en) * | 2019-05-27 | 2019-08-23 | 深圳市无边实业有限公司 | A kind of method for manufacturing of 5D tempered glass |
| CN112851131A (en) * | 2019-11-26 | 2021-05-28 | 惠州市清洋实业有限公司 | Etching solution for processing CD (compact disc) lines of camera lens and using method thereof |
| US11485677B2 (en) | 2019-06-28 | 2022-11-01 | Corning Incorporated | Textured glass articles and methods of making the same |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585241A (en) * | 2014-10-20 | 2016-05-18 | 浙江金徕镀膜有限公司 | Substrate processing method |
| CN105630255A (en) * | 2014-10-31 | 2016-06-01 | 昆山瑞咏成精密设备有限公司 | One-chip OGS (One Glass Solution) touch screen and manufacture method thereof |
| CN105630255B (en) * | 2014-10-31 | 2019-01-18 | 昆山瑞咏成精密设备有限公司 | One chip OGS touch screen and preparation method thereof |
| CN104556716A (en) * | 2014-12-30 | 2015-04-29 | 深圳南玻伟光导电膜有限公司 | Etching solution and secondary hardening method of glass for capacitive touch screen |
| CN107331230A (en) * | 2016-10-28 | 2017-11-07 | 湖南机电职业技术学院 | A kind of intelligence manufacture production, teaching ＆ research platform processed towards Metal Flake handicraft |
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| CN109542271A (en) * | 2018-11-26 | 2019-03-29 | 重庆津油纳米光学科技有限公司 | A kind of production method of touch screen |
| CN109581826A (en) * | 2019-01-07 | 2019-04-05 | 浙江宇鑫光学科技有限公司 | 3D glass picture and text forming method |
| CN109721253A (en) * | 2019-01-24 | 2019-05-07 | 凤阳硅谷智能有限公司 | A kind of preparation method of glass light guide plate |
| CN110156310A (en) * | 2019-05-27 | 2019-08-23 | 深圳市无边实业有限公司 | A kind of method for manufacturing of 5D tempered glass |
| US11485677B2 (en) | 2019-06-28 | 2022-11-01 | Corning Incorporated | Textured glass articles and methods of making the same |
| CN112851131A (en) * | 2019-11-26 | 2021-05-28 | 惠州市清洋实业有限公司 | Etching solution for processing CD (compact disc) lines of camera lens and using method thereof |
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Application publication date: 20140813 |