CN105481473A - Coating liquid for promoting infrared laser absorption capacity on ceramic, preparation method and application thereof - Google Patents
Coating liquid for promoting infrared laser absorption capacity on ceramic, preparation method and application thereof Download PDFInfo
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- CN105481473A CN105481473A CN201510895819.3A CN201510895819A CN105481473A CN 105481473 A CN105481473 A CN 105481473A CN 201510895819 A CN201510895819 A CN 201510895819A CN 105481473 A CN105481473 A CN 105481473A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/463—Organic solvents
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/502—Water
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/82—Coating or impregnation with organic materials
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
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Abstract
The present invention relates to a coating liquid for promoting infrared laser absorption capacity on ceramic, a preparation method and application thereof. The coating liquid comprises 20-40% of carmine, 1-5% of Allura red and 55-75% of a solvent. The preparation is as below: first uniformly mixing carmine and Allura red; adding the mixed powder into a container, adding a solvent for formulation, and evenly mixing; adding magneton into the container, placing the container on a magnetic stirrer, uniformly dissolving the powder by heating and magneton rotation stirring to form the coating liquid. The surface of a ceramic plate is coated with the coating liquid by a dust-free cloth. The coating liquid can be applied to ceramic laser processing to promote the infrared laser absorption capacity on ceramic, reaches high absorption rate of near infrared wave and high efficiency, and avoids the light breakage and line leakage phenomena.
Description
Technical field
The present invention relates to and a kind ofly promote that infrared laser is to the coating liquid of ceramic receptivity and preparation method and application; be applicable to laser to use ceramic-like (aluminum oxide, zirconium white, aluminium nitride) line and cutting, also can be used as the protective material use that other materials adds man-hour.
Background technology
Laser progressively replaces some traditional mechanical processing modes as a kind of novel processing mode, and machine direction extends to the every field of entire society, towards the development of high-grade, precision and advanced cooked mode, has both met extensive processing, and can take into account again the processing of meticulous type.
Laser apparatus inside by other photons of photon excitation, makes a large amount of photon launch together with the form of light beam, pooling a very little hot spot, without the need to direct contact, can interact with material by focusing on.When laser beam transmission is at material surface, energy sometimes can not completely by absorbed, and there is portion of energy and reflected, portion of energy is absorbed, the possibility that part is passed away, and particular case depends on material type and optical maser wavelength.In the luminous energy arriving material surface, be useful by the part energy of absorbed to materials processing.Although the interaction basic simlarity of material and storeroom, differing materials feature as each have their own in metal, pottery, glass and plastics.
The laser of the infrared band that current processing ceramic uses has two kinds substantially, and middle infrared wavelength is the CO of 10.6um
2laser apparatus and near-infrared wavelength are the optical fiber laser of 1.06um.Because carbon dioxide laser cutting can only be applicable to the cutting of some conventional ceramics, it is large that the pottery for some requirements at the higher level is subject to itself hot spot, the restriction that working (machining) efficiency is low and cannot launching, CO
2also there are some defects in laser apparatus itself, such as maintenance cost is high, and cut edge is rough, although pottery in infrared specific absorption higher, but along with scientific-technical progress and market development, the product requirement of processing is harsher, make to be competent at current retrofit.Under this background, the optical fiber laser of near-infrared band arises at the historic moment, and because hot spot is little, electricity conversion is high, the contour performance of power stability, is applied in Ceramic manufacturing industry aspect gradually.Pottery is lower in the specific absorption of near-infrared band, and specific absorption low, disconnected light, the low inferior situation of working (machining) efficiency appear in Laser Processing Ceramics.
Summary of the invention
The object of the invention is the deficiency overcoming prior art existence, provide a kind of and promote that infrared laser is to the coating liquid of ceramic receptivity and preparation method and application, be intended to the problem solving near-infrared laser processing ceramic specific absorption deficiency.
Object of the present invention is achieved through the following technical solutions:
Promote that infrared laser is to the coating liquid of ceramic receptivity, feature is: described coating liquid contains the component of following weight percent:
Carmine 20 ~ 40%;
Lure red 1 ~ 5%;
Solvent 55 ~ 75%.
Further, above-mentioned promotion infrared laser is to the coating liquid of ceramic receptivity, and wherein, the weight percent of component is:
Carmine 35%;
Lure red 5%;
Solvent 60%;
Further, above-mentioned promotion infrared laser is to the coating liquid of ceramic receptivity, and wherein, described temptation is red is 6-hydroxyl-5-(2-methoxyl group-4-sulfonic acid-5-tolyl) azo-naphthalene-2-disodium sulfonate salt.
Further, above-mentioned promotion infrared laser is to the coating liquid of ceramic receptivity, and wherein, described famille rose is 1-(4 '-sulfonic group-1 '-naphthylazo)-beta naphthal-6,8-disulfonic acid trisodium salt.
Further, above-mentioned promotion infrared laser is to the coating liquid of ceramic receptivity, and wherein, described solvent is water or alcohol.
The present invention promotes that infrared laser is to the preparation method of the coating liquid of ceramic receptivity, first, famille rose is red in component proportion mixing and stirring with temptation; Then, mixed powder is put in vessel, in vessel, add solvent allocate, mix; Then, vessel are added magneton, be placed on magnetic stirring apparatus, by heating and magneton Stirring mode, make powder uniform dissolution, form coating solution.
Again further, above-mentioned promotion infrared laser is to the preparation method of the coating liquid of ceramic receptivity, and wherein, described magnetic stirring apparatus has heating temperature control device, and the Heating temperature of solution is 40 ~ 50 DEG C.
Again further, above-mentioned promotion infrared laser is to the preparation method of the coating liquid of ceramic receptivity, and wherein, described temptation is red is 6-hydroxyl-5-(2-methoxyl group-4-sulfonic acid-5-tolyl) azo-naphthalene-2-disodium sulfonate salt; Described famille rose is 1-(4 '-sulfonic group-1 '-naphthylazo)-beta naphthal-6,8-disulfonic acid trisodium salt; Described solvent is water or alcohol.
The present invention promotes that infrared laser is to the application of the coating liquid of ceramic receptivity, and substrate lies in be had on the microscope carrier of adsorption hole, and ceramic plate is fixed thereon, and uses non-dust cloth to dip coating liquid and applies ceramic plate surface.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progress are mainly reflected in:
1. the coating solution that prepared by the present invention is applied to ceramic laser processing, is directly coated in ceramic surface, and promote that infrared laser absorbs pottery, the specific absorption of near-infrared band is high, avoids occurring the phenomenons such as disconnected light, thread cast-off, and working (machining) efficiency is high;
2. the composition that coating solution adopts is powder that is nontoxic, Environment-friendlyfood-grade food-grade, easily obtains from the market, prepares easy, and soluble in water;
3. when prepared by coating solution, the magnetic stirring apparatus of employing has certain intensification function of temperature control, and inside has magneton to rotate with friction-motion speed, can play and accelerate the dissolving of coating solvent powder, provide proportioning efficiency;
4. be applicable to laser to use ceramic-like (aluminum oxide, zirconium white, aluminium nitride) line and cutting, also can be used as the protective material use that other materials adds man-hour, the manufacture fields such as COB, LED illumination, automotive electronics can be widely used in.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1: the absorption length-wavelength curve schematic diagram of embodiment.
Embodiment
The present invention promotes that infrared laser is to the coating liquid of ceramic receptivity, and the weight percent of component is: carmine 20 ~ 40%, lures red 1 ~ 5%, solvent 55 ~ 75%.Ideal composition proportioning: carmine 35%, lures red 5%, solvent 60%.Wherein, famille rose is 1-(4 '-sulfonic group-1 '-naphthylazo)-beta naphthal-6,8-disulfonic acid trisodium salt; Luring red is 6-hydroxyl-5-(2-methoxyl group-4-sulfonic acid-5-tolyl) azo-naphthalene-2-disodium sulfonate salt; Solvent is water or alcohol.
Concrete preparation technology is: first, by famille rose, lure red in component proportion mixing and stirring; Then, put into by mixed powder in vessel, add solvent and allocate in vessel, solvent is water or alcohol, mixes; Then, vessel are added magneton, be placed on magnetic stirring apparatus, magnetic stirring apparatus has heating temperature control device, and by heating and magneton Stirring mode, Heating temperature is 40 ~ 50 DEG C, makes powder uniform dissolution, forms coating solution.
When promoting the coating liquid embody rule of infrared laser to ceramic receptivity, aluminum oxide substrate lies in be had on the microscope carrier of adsorption hole, and ceramic plate is fixed thereon, and uses non-dust cloth to dip coating liquid and applies ceramic plate surface.
Embodiment 1
First, by famille rose 24%, lure red 1% according to component proportion mixing and stirring; Then, mixed powder is put in vessel, in vessel, add 75% water allocate, mix; Then, vessel are added magneton, be placed on magnetic stirring apparatus, magnetic stirring apparatus has heating temperature control device, and by heating and magneton Stirring mode, Heating temperature is 40 ~ 50 DEG C, makes the better uniform dissolution of pressed powder, forms coating solution.
Embodiment 2
First, by famille rose 20%, lure red 5% according to component proportion mixing and stirring; Then, mixed powder is put in beaker, in beaker, add 75% alcohol allocate, mix; Then, beaker is added magneton, be placed on magnetic stirring apparatus, magnetic stirring apparatus has heating temperature control device, and by heating and magneton Stirring mode, Heating temperature is 40 ~ 50 DEG C, makes the better uniform dissolution of pressed powder, forms coating solution.
Embodiment 3
First, by famille rose 35%, lure red 5% according to component proportion mixing and stirring; Then, mixed powder is put in beaker, in beaker, add 60% alcohol allocate, mix; Then, beaker is added magneton, be placed on magnetic stirring apparatus, magnetic stirring apparatus has heating temperature control device, and by heating and magneton Stirring mode, Heating temperature is 40 ~ 50 DEG C, makes the better uniform dissolution of pressed powder, forms coating solution.
When the obtained coating solution of above-described embodiment 1 ~ 3 is respectively used to laser processing, coated ceramic plate, lies in white oxide aluminium base with on adsorption hole glass microscope carrier successively, uses non-dust cloth to dip upper solution and carry out unidirectional coating to ceramic surface; Coated substrate adopts the processing of the aspects such as laser system is cut it, line, does not occur the phenomenons such as disconnected light, thread cast-off.The sample machined is cleaned, removes the powder of ceramic surface.
From the absorption length-wavelength curve of Fig. 1, can show that increasing the red and carmine proportion in the solution of temptation can improve infrared wavelength to its optical density, promotion infrared laser absorption agent is smeared after absorptive character.
After pottery after coating adopts laser system to machine, the coating solution of ceramic surface cleans up and the powder that laser and material effects produce is departed from ceramic surface in the mode vibrated, because coating solution is wetting ability, the pottery machined uses clear water flushing the coating liquid on top layer can be removed, be easy to remove, nontoxic, can reach food grade, environmental-protecting performance is high.
Fix the ceramic substrate that will be used for processing by coating microscope carrier, carry out painted to its surface.Coating microscope carrier can be designed to adsorption function, prevents substrate in the process of smearing from rocking.Can leave standstill about 1 minute after having smeared, can take away and be stacked to together after substrate dries voluntarily, when avoiding substrate moist, two panels superposes to cause and shows money or valuables one carries unintentionally.Use alcohol as solvent, by the volatile characteristic of alcohol, directly slice, thin piece can be taken out after having smeared and stack.The tool of substrate is placed in design, has interval between coated substrate film and sheet, promotes drying substrates, prevents substrate from scratching, and ceramic base plate surface apply equal and liquid contaminated.
Adopt 1064nm near infrared IPG-QCW optical fiber laser, compared with common continuous wave laser, there is very high peak power and long pulsewidth, especially with during material effects by moment high-peak power heat, comparatively low duty ratio and material generation high temperature ablation removal material, makes greatly to reduce heat-affected zone in this way; Good edge effect can be obtained; Pottery back side dross is softer.For batch machining different size, the ceramics sample of different model, and then for verifying whether ceramic surface also exists light leak, wire jumper after coated, processes inconsistent problem.
Adopt ultrasonic foaming service sink, Main Function is for cleaning the ceramic substrate treating that laser system machines, the dust that the ceramic coated liquid on removal top layer and top layer produce because of laser and material.
Ceramic substrate ultrasonic cleaning completed is put in baking oven and is carried out the short period of time and remove the moisture of ceramic surface, time of drying general 2-3 minute, after drying completes, quick packing encapsulates.
Coating solution of the present invention is applied to ceramic laser processing, is directly coated in ceramic surface, and promote that infrared laser absorbs pottery, the specific absorption of near-infrared band is high, avoids occurring the phenomenons such as disconnected light, thread cast-off, and working (machining) efficiency is high.The composition that coating solution adopts is nontoxic, and the powder of Environment-friendlyfood-grade food-grade, easily obtains from the market, makes simple, and soluble in water.Time prepared by coating solution, adopt magnetic stirring apparatus to have certain intensification function of temperature control, inside has magneton to rotate with friction-motion speed, can play and accelerate the dissolving of coating solvent powder, provide proportioning efficiency.Laser-processing system processing ceramic has the advantages that process velocity is fast, processing quality is good, also possesses and checks and accepts the situation whether substrate exists crackle.Be applicable to laser to use ceramic-like (aluminum oxide, zirconium white, aluminium nitride) line and cutting, also can be used as the protective material use that other materials adds man-hour, the manufacture fields such as COB, LED illumination, automotive electronics can be widely used in.
It is to be understood that: the above is only the preferred embodiment of the present invention; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. promote that infrared laser is to the coating liquid of ceramic receptivity, is characterized in that: described coating liquid contains the component of following weight percent:
Carmine 20 ~ 40%;
Lure red 1 ~ 5%;
Solvent 55 ~ 75%.
2. promotion infrared laser according to claim 1 is to the coating liquid of ceramic receptivity, it is characterized in that: the weight percent of component is:
Carmine 35%;
Lure red 5%;
Solvent 60%.
3. promotion infrared laser according to claim 1 and 2 is to the coating liquid of ceramic receptivity, it is characterized in that: described temptation is red is 6-hydroxyl-5-(2-methoxyl group-4-sulfonic acid-5-tolyl) azo-naphthalene-2-disodium sulfonate salt.
4. promotion infrared laser according to claim 1 and 2 is to the coating liquid of ceramic receptivity, it is characterized in that: described famille rose is 1-(4 '-sulfonic group-1 '-naphthylazo)-beta naphthal-6,8-disulfonic acid trisodium salt.
5. promotion infrared laser according to claim 1 and 2 is to the coating liquid of ceramic receptivity, it is characterized in that: described solvent is water or alcohol.
6. promotion infrared laser according to claim 1 is to the preparation method of the coating liquid of ceramic receptivity, it is characterized in that: first, and famille rose is red in component proportion mixing and stirring with temptation; Then, mixed powder is put in vessel, in vessel, add solvent allocate, mix; Then, vessel are added magneton, be placed on magnetic stirring apparatus, make powder uniform dissolution by heating and magneton Stirring mode, form coating solution.
7. promotion infrared laser according to claim 6 is to the preparation method of the coating liquid of ceramic receptivity, it is characterized in that: described magnetic stirring apparatus has heating temperature control device, and the Heating temperature of solution is 40 ~ 50 DEG C.
8. promotion infrared laser according to claim 6 is to the preparation method of the coating liquid of ceramic receptivity, it is characterized in that: described temptation is red is 6-hydroxyl-5-(2-methoxyl group-4-sulfonic acid-5-tolyl) azo-naphthalene-2-disodium sulfonate salt; Described famille rose is 1-(4 '-sulfonic group-1 '-naphthylazo)-beta naphthal-6,8-disulfonic acid trisodium salt.
9. promotion infrared laser according to claim 6 is to the preparation method of the coating liquid of ceramic receptivity, it is characterized in that: described solvent is water or alcohol.
10. Claims 1 to 5 any one promotes that infrared laser is to the application of the coating liquid of ceramic receptivity, it is characterized in that: substrate lies in be had on the microscope carrier of adsorption hole, ceramic plate is fixed thereon, and uses non-dust cloth to dip coating liquid and applies ceramic plate surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895819.3A CN105481473B (en) | 2015-12-08 | 2015-12-08 | Promote coating liquid and preparation method and application of the infrared laser to ceramic absorbability |
| PCT/CN2016/075752 WO2017096726A1 (en) | 2015-12-08 | 2016-03-07 | Coating solution for improving infrared laser absorption capacity on ceramics, preparation method therefor, and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895819.3A CN105481473B (en) | 2015-12-08 | 2015-12-08 | Promote coating liquid and preparation method and application of the infrared laser to ceramic absorbability |
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| CN105481473A true CN105481473A (en) | 2016-04-13 |
| CN105481473B CN105481473B (en) | 2018-07-17 |
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| WO (1) | WO2017096726A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903673A (en) * | 2017-12-04 | 2018-04-13 | 南充三环电子有限公司 | A kind of dyestuff for promoting ceramic substrate to absorb infrared laser |
| CN110734660A (en) * | 2018-07-18 | 2020-01-31 | 江西昊光科技有限公司 | coating for enhancing absorption of optical fiber laser energy by alumina ceramic and preparation method thereof |
| CN113714647A (en) * | 2020-05-26 | 2021-11-30 | Oppo广东移动通信有限公司 | Shell assembly, preparation method and electronic equipment |
| CN114466538A (en) * | 2020-11-09 | 2022-05-10 | Oppo广东移动通信有限公司 | Shell, manufacturing method thereof and electronic equipment |
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| CN103192199A (en) * | 2013-04-18 | 2013-07-10 | 苏州光韵达光电科技有限公司 | Absorbent for cutting ceramics by aid of fiber laser |
| CN104014940A (en) * | 2014-05-29 | 2014-09-03 | 深圳市大族激光科技股份有限公司 | Coating and drilling method of ceramic substrate, coating sol and coating device |
| CN104646824A (en) * | 2015-01-26 | 2015-05-27 | 武汉华工激光工程有限责任公司 | Absorbent for ceramic laser cutting and preparation method for absorbent |
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| JP2881542B2 (en) * | 1993-09-30 | 1999-04-12 | 太陽誘電株式会社 | Method for producing ceramic green sheet for laser processing and multilayer ceramic electronic component |
| CN1202186C (en) * | 2003-06-13 | 2005-05-18 | 贵州工业大学 | Light-absorbing coating for laser treatment and its preparing method |
-
2015
- 2015-12-08 CN CN201510895819.3A patent/CN105481473B/en active Active
-
2016
- 2016-03-07 WO PCT/CN2016/075752 patent/WO2017096726A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192199A (en) * | 2013-04-18 | 2013-07-10 | 苏州光韵达光电科技有限公司 | Absorbent for cutting ceramics by aid of fiber laser |
| CN104014940A (en) * | 2014-05-29 | 2014-09-03 | 深圳市大族激光科技股份有限公司 | Coating and drilling method of ceramic substrate, coating sol and coating device |
| CN104646824A (en) * | 2015-01-26 | 2015-05-27 | 武汉华工激光工程有限责任公司 | Absorbent for ceramic laser cutting and preparation method for absorbent |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903673A (en) * | 2017-12-04 | 2018-04-13 | 南充三环电子有限公司 | A kind of dyestuff for promoting ceramic substrate to absorb infrared laser |
| CN110734660A (en) * | 2018-07-18 | 2020-01-31 | 江西昊光科技有限公司 | coating for enhancing absorption of optical fiber laser energy by alumina ceramic and preparation method thereof |
| CN113714647A (en) * | 2020-05-26 | 2021-11-30 | Oppo广东移动通信有限公司 | Shell assembly, preparation method and electronic equipment |
| CN114466538A (en) * | 2020-11-09 | 2022-05-10 | Oppo广东移动通信有限公司 | Shell, manufacturing method thereof and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017096726A1 (en) | 2017-06-15 |
| CN105481473B (en) | 2018-07-17 |
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Effective date of registration: 20180620 Address after: 215021 Xinglin street, Suzhou Industrial Park, Jiangsu Province, No. 98 Applicant after: Suzhou Beilin laser Co Ltd Address before: 215021 No. 77 Suu Zhong Road, Suzhou Industrial Park, Jiangsu Applicant before: Suzhou Delphi Laser Co., Ltd. |
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