CN111376129A - Multiple etching copper imitation process - Google Patents
Multiple etching copper imitation process Download PDFInfo
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- CN111376129A CN111376129A CN201811607128.9A CN201811607128A CN111376129A CN 111376129 A CN111376129 A CN 111376129A CN 201811607128 A CN201811607128 A CN 201811607128A CN 111376129 A CN111376129 A CN 111376129A
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- etching
- copper
- copper plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/22—Removing surface-material, e.g. by engraving, by etching
- B44C1/227—Removing surface-material, e.g. by engraving, by etching by etching
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- 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/02—Local etching
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/18—Acidic compositions for etching copper or alloys thereof
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The invention provides a multiple etching copper-imitation casting process, which comprises the following steps: processing a plate, preparing an etching agent, etching convex patterns, etching concave patterns, etching decorative patterns, processing color, polishing and anti-oxidation treatment; the invention etches convex patterns and concave patterns through an etching method, and then matches the etched convex decoration patterns and concave decoration patterns to ensure the patterns to be full, and the invention also has the advantages that the etching depths are different through three steps of convex pattern etching, concave pattern etching and decoration pattern etching, so that the surface of the copper plate has beautiful deletion, fine concave-convex parts are strengthened and amplified, the heterodynia is created, the copper surface casting effect is achieved, the visual impact sense is stronger, finally, the treatment of color is matched, the verdigris is matched with the copper nature color, the historical smell is heavy, the artistic effect of the ancient bronze ware is achieved, meanwhile, the invention adopts special etching catalytic liquid for treatment, the efficiency is higher, the treatment effect is more obvious, the color is not easy to change after the final anti-oxidation treatment is added, and the artistic effect is ensured.
Description
Technical Field
The invention relates to the field of metal surface treatment processes, in particular to a multiple etching copper-imitation casting process.
Background
The copper carving skill, the traditional manual skill in Hangzhou city in Zhejiang province, one of the national non-material cultural heritage, is a continuation of ancient bronze ware manufacture, is greatly developed in Wuyue and Nansong periods, and after the modern treatment, the Hangzhou copper carving skill represented by the Zhufu copper art is mature day by day and handed over from generation to generation, and 6 months in 2008, is listed in the second national non-material cultural heritage record traditional skill.
In the existing copper carving technology, chemical etching points, lines and surfaces are generally adopted to form patterns on the metal surface, the patterns are monotonous, one-time etching operation is generally adopted, the horizontal plane of the obtained patterns is level, no irregularity, no visual impact effect, serious modern feeling and no historical smell of heavy copper carving are met, and therefore the invention provides a multiple etching copper imitation casting process to solve the defects in the prior art.
Disclosure of Invention
Aiming at the problems, the invention provides a method for etching convex patterns and concave patterns by an etching method respectively, and matching the etched convex decorated patterns and concave decorated patterns to ensure that the patterns are full, and the method provided by the invention adopts three steps of convex pattern etching, concave pattern etching and dotted pattern etching, wherein the etching depths are different, so that the surface of the copper plate has the defect beauty, and the fine concave-convex parts are strengthened and amplified to create the sense of dissonance, thereby achieving the effect of copper surface casting, having stronger visual impact, and finally matching the color and luster, matching the copper quality with the copper quality, ensuring that the historical smell is heavy, and having the artistic effect of the ancient bronze ware.
The invention provides a multiple etching copper-imitation casting process, which comprises the following steps:
the method comprises the following steps: treating sheet material
Preparing a copper plate or a copper alloy plate, polishing the surface of the copper plate or the copper alloy plate, removing burrs and edges, then carrying out electrolytic degreasing, removing oil stains on the copper plate, removing an oxide film on the surface of the copper plate by using etching solution, finally rinsing the copper plate by using clear water, and dehydrating and drying;
step two: preparation of etchant
Mixing 2-4 parts of phosphoric acid, 5-7 parts of acetic acid and 0.5-1.5 parts of inorganic strong acid to prepare an etching solution, adding an additive into the etching solution, wherein the additive is a compound of iodide, thiocyanate ions and thiosulfate ions, and finally preparing an etching catalytic solution;
step three: relief etching
Drawing a first-step design picture and text, manufacturing a standard pattern silk-screen printing plate according to the first-step design picture and text, fixing the silk-screen printing plate with the pattern on a silk-screen printing machine, printing the required pattern on the surface of a copper plate by adopting alkali-soluble acid-resistant printing ink, drying, corroding the surface of the copper plate by using the etching catalyst obtained in the second step at normal temperature, wherein the printing ink pattern ensures that the covered part is not corroded to form a convex pattern in the corrosion process, then soaking the copper plate into 40-60 g/L sodium hydroxide solution at 50-80 ℃, removing the printing ink after 3-5 minutes of soaking, and drying;
step four: intaglio etching
Drawing a second-step design picture and text, firstly making a protective layer picture according to the second-step design picture and text, coating a protective layer on the surface of the copper plate according to the protective layer picture to form a complete second-step design picture and text pattern on the unprotected position of the surface of the copper plate, then coating the etching catalytic liquid prepared in the second step on the surface of the copper plate, etching the unprotected position to form a concave pattern, cleaning the surface of the copper plate and drying;
step five: dotted line etching
Drawing a design pattern and text decorated in the third step, dividing the design pattern and text decorated into a convex decorated design pattern and a concave decorated design pattern and text, firstly, coating an anti-corrosion coating on the surface of a copper plate according to the convex decorated design pattern and text, after the anti-corrosion coating is solidified, corroding the surface of the copper plate by using the etching catalyst obtained in the second step, wherein the anti-corrosion coating is not corroded partially, forming convex decorated patterns on the surface of the copper plate, cleaning the surface of the copper plate and drying, then, carving shallow pattern grooves on the surface of the copper plate according to the concave decorated design pattern and text by adopting a spot beating and carving method, dripping the etching catalyst obtained in the second step into the shallow pattern grooves for corrosion by adopting a spot gluing method, forming concave decorated patterns on the surface of the copper plate, cleaning the surface of the copper plate and drying;
step six: color treatment
Coating sulfide on the surface of the convex pattern obtained in the third step for vulcanization to enable the color of the convex pattern to be dark purple, after cleaning, coating an oxidizing agent inside the concave pattern obtained in the fourth step for oxidation to enable the concave pattern to be green, after cleaning, injecting paint inside the concave dotted pattern obtained in the fifth step to finish color treatment;
step seven: polishing and grinding
Removing burrs and edges and corners at the edges of various patterns on the copper plate by using a grinding wheel, rubbing the background part of the surface of the copper plate except all the patterns by using fine sand paper to reduce the metal luster of the surface of the copper, rubbing the convex-point decorated patterns obtained in the step five by using fine sand blocks to reduce the natural color of the copper, wherein the color of the copper is different from the color of the background copper, and finally obtaining a finished product;
step eight: oxidation-preventing treatment
Soaking the finished product in antiseptic, drying, oiling the surface of the finished product, and sealing wax after oiling.
The further improvement lies in that: in the second step, the temperature for preparing the etching agent is 10-60 ℃, in the second step, thiocyanate ions are one of ammonium thiocyanate and potassium thiocyanate, and thiosulfate ions are one of potassium thiosulfate and sodium thiosulfate.
The further improvement lies in that: and in the third step, the surface of the copper plate is corroded by the etching catalyst obtained in the second step at normal temperature for 7 minutes, and the corrosion depth is 0.1 mm.
The further improvement lies in that: and in the fourth step, the etching catalytic liquid prepared in the second step is coated on the surface of the copper plate, and the unprotected position is etched for 15 minutes, wherein the etching depth is 0.2 mm.
The further improvement lies in that: and in the fifth step, the surface of the copper plate is corroded for 7 minutes by the etching catalyst obtained in the second step, the corrosion depth is 0.1 millimeter, the part of the corrosion-resistant coating is not corroded, convex dotted patterns are formed on the surface of the copper plate, the etching catalyst obtained in the second step is dripped into a shallow image-text groove to be corroded for 22 minutes, the corrosion depth is 0.3 millimeter, and concave dotted patterns are formed on the surface of the copper plate.
The further improvement lies in that: and seventhly, a friction polishing method for the background part of the surface of the copper plate is different from a friction polishing method for the convex decoration patterns, so that the copper natural color of the background part is different from the copper natural color of the convex decoration patterns.
The further improvement lies in that: in the eighth step, the preservative is a mixed solution of benzotriazole, sodium sulfosalicylate and sodium dodecyl sulfate.
The invention has the beneficial effects that: the invention etches convex patterns and concave patterns through an etching method, and then matches the etched convex decoration patterns and concave decoration patterns to ensure the patterns to be full, and the invention also has the advantages that the etching depths are different through three steps of convex pattern etching, concave pattern etching and decoration pattern etching, so that the surface of the copper plate has beautiful deletion, fine concave-convex parts are strengthened and amplified, the heterodynia is created, the copper surface casting effect is achieved, the visual impact sense is stronger, finally, the treatment of color is matched, the verdigris is matched with the copper nature color, the historical smell is heavy, the artistic effect of the ancient bronze ware is achieved, meanwhile, the invention adopts special etching catalytic liquid for treatment, the efficiency is higher, the treatment effect is more obvious, the color is not easy to change after the final anti-oxidation treatment is added, and the artistic effect is ensured.
Drawings
FIG. 1 is a flow chart of the preparation process of the present invention.
Detailed Description
In order to make the technical means, objectives and functions of the invention easy to understand, the invention will be further described with reference to the following embodiments.
As shown in fig. 1, this embodiment provides a multiple etching cast-like copper process, which includes the following steps:
the method comprises the following steps: treating sheet material
Preparing a copper plate or a copper alloy plate, polishing the surface of the copper plate or the copper alloy plate, removing burrs and edges, then carrying out electrolytic degreasing, removing oil stains on the copper plate, removing an oxide film on the surface of the copper plate by using etching solution, finally rinsing the copper plate by using clear water, and dehydrating and drying;
step two: preparation of etchant
Mixing 2-4 parts of phosphoric acid, 5-7 parts of acetic acid and 0.5-1.5 parts of inorganic strong acid to prepare an etching solution, wherein the temperature for preparing the etching agent is 30 ℃, then adding an additive into the etching solution, wherein the additive is a compound of iodide, thiocyanate ions and thiosulfate ions, the thiocyanate ions are ammonium thiocyanate, the thiosulfate ions are potassium thiosulfate, and finally preparing the etching catalyst solution;
step three: relief etching
Drawing a first-step design picture and text, manufacturing a standard pattern silk-screen printing plate according to the first-step design picture and text, fixing the silk-screen printing plate with the pattern on a silk-screen printing machine, printing the required pattern on the surface of a copper plate by adopting alkali-soluble acid-resistant printing ink, drying, corroding the surface of the copper plate by using the etching catalyst obtained in the second step at normal temperature for 7 minutes, wherein the corrosion depth is 0.1 millimeter, the printing ink pattern ensures that the covered part is not corroded in the corrosion process to form a convex pattern, then soaking the copper plate in 40-60 g/L sodium hydroxide solution at 50-80 ℃, dipping for 3-5 minutes, removing the printing ink, and drying the copper plate;
step four: intaglio etching
Drawing a second-step design picture, firstly making a protective layer picture according to the second-step design picture, coating a protective layer on the surface of the copper plate according to the protective layer picture to form a complete second-step design picture pattern on the unprotected position of the surface of the copper plate, then coating the etching catalytic liquid prepared in the second step on the surface of the copper plate, etching the unprotected position for 15 minutes to form a concave pattern, cleaning the surface of the copper plate and drying;
step five: dotted line etching
Drawing a design picture and text decorated in the third step, dividing the design picture and text decorated into a convex point decorated design picture and text decorated in a concave point decorated design picture and text, firstly, coating an anti-corrosion coating on the surface of a copper plate according to the convex point decorated design picture and text, after the anti-corrosion coating is solidified, corroding the surface of the copper plate for 7 minutes by using the etching catalyst obtained in the second step, wherein the corrosion depth is 0.1 millimeter, the part of the anti-corrosion coating is not corroded, forming a convex point decorated pattern on the surface of the copper plate, cleaning the surface of the copper plate and drying, then, carving a shallow pattern groove on the surface of the copper plate according to the concave point designed picture and text by using a spot beating and carving method, then, dropping the etching catalyst obtained in the second step into the shallow picture and text groove for corrosion by using a spot gluing method, corroding for 22 minutes, wherein the corrosion depth is 0.3 millimeter, forming a concave point decorated pattern;
step six: color treatment
Coating sulfide on the surface of the convex pattern obtained in the third step for vulcanization to enable the color of the convex pattern to be dark purple, after cleaning, coating an oxidizing agent inside the concave pattern obtained in the fourth step for oxidation to enable the concave pattern to be green, after cleaning, injecting paint inside the concave dotted pattern obtained in the fifth step to finish color treatment;
step seven: polishing and grinding
Grinding by using a grinding wheel to remove burrs and edges and corners at the edges of various patterns on the copper plate, rubbing the background part of the surface of the copper plate except all the patterns by using fine sand paper to reduce the metal luster of the surface of the copper, rubbing the convex point embellishing patterns obtained in the step five by using fine sand blocks to reduce the natural color of the copper, wherein the rubbing and polishing method for the background part of the surface of the copper plate is different from the rubbing and polishing method for the convex point embellishing patterns, so that the natural color of the copper of the background part is different from the natural color of the copper of the convex point embellishing patterns, and finally obtaining a finished product;
step eight: oxidation-preventing treatment
Soaking the finished product in a preservative which is a mixed solution of benzotriazole, sodium sulfosalicylate and sodium dodecyl sulfate, drying after soaking, then oiling the surface of the finished product, and sealing wax after oiling.
The invention etches convex patterns and concave patterns through an etching method, and then matches the etched convex decoration patterns and concave decoration patterns to ensure the patterns to be full, and the invention also has the advantages that the etching depths are different through three steps of convex pattern etching, concave pattern etching and decoration pattern etching, so that the surface of the copper plate has beautiful deletion, fine concave-convex parts are strengthened and amplified, the heterodynia is created, the copper surface casting effect is achieved, the visual impact sense is stronger, finally, the treatment of color is matched, the verdigris is matched with the copper nature color, the historical smell is heavy, the artistic effect of the ancient bronze ware is achieved, meanwhile, the invention adopts special etching catalytic liquid for treatment, the efficiency is higher, the treatment effect is more obvious, the color is not easy to change after the final anti-oxidation treatment is added, and the artistic effect is ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The multiple etching copper-imitation casting process is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: treating sheet material
Preparing a copper plate or a copper alloy plate, polishing the surface of the copper plate or the copper alloy plate, removing burrs and edges, then carrying out electrolytic degreasing, removing oil stains on the copper plate, removing an oxide film on the surface of the copper plate by using etching solution, finally rinsing the copper plate by using clear water, and dehydrating and drying;
step two: preparation of etchant
Mixing 2-4 parts of phosphoric acid, 5-7 parts of acetic acid and 0.5-1.5 parts of inorganic strong acid to prepare an etching solution, adding an additive into the etching solution, wherein the additive is a compound of iodide, thiocyanate ions and thiosulfate ions, and finally preparing an etching catalytic solution;
step three: relief etching
Drawing a first-step design picture and text, manufacturing a standard pattern silk-screen printing plate according to the first-step design picture and text, fixing the silk-screen printing plate with the pattern on a silk-screen printing machine, printing the required pattern on the surface of a copper plate by adopting alkali-soluble acid-resistant printing ink, drying, corroding the surface of the copper plate by using the etching catalyst obtained in the second step at normal temperature, wherein the printing ink pattern ensures that the covered part is not corroded to form a convex pattern in the corrosion process, then soaking the copper plate into 40-60 g/L sodium hydroxide solution at 50-80 ℃, removing the printing ink after 3-5 minutes of soaking, and drying;
step four: intaglio etching
Drawing a second-step design picture and text, firstly making a protective layer picture according to the second-step design picture and text, coating a protective layer on the surface of the copper plate according to the protective layer picture to form a complete second-step design picture and text pattern on the unprotected position of the surface of the copper plate, then coating the etching catalytic liquid prepared in the second step on the surface of the copper plate, etching the unprotected position to form a concave pattern, cleaning the surface of the copper plate and drying;
step five: dotted line etching
Drawing a design pattern and text decorated in the third step, dividing the design pattern and text decorated into a convex decorated design pattern and a concave decorated design pattern and text, firstly, coating an anti-corrosion coating on the surface of a copper plate according to the convex decorated design pattern and text, after the anti-corrosion coating is solidified, corroding the surface of the copper plate by using the etching catalyst obtained in the second step, wherein the anti-corrosion coating is not corroded partially, forming convex decorated patterns on the surface of the copper plate, cleaning the surface of the copper plate and drying, then, carving shallow pattern grooves on the surface of the copper plate according to the concave decorated design pattern and text by adopting a spot beating and carving method, dripping the etching catalyst obtained in the second step into the shallow pattern grooves for corrosion by adopting a spot gluing method, forming concave decorated patterns on the surface of the copper plate, cleaning the surface of the copper plate and drying;
step six: color treatment
Coating sulfide on the surface of the convex pattern obtained in the third step for vulcanization to enable the color of the convex pattern to be dark purple, after cleaning, coating an oxidizing agent inside the concave pattern obtained in the fourth step for oxidation to enable the concave pattern to be green, after cleaning, injecting paint inside the concave dotted pattern obtained in the fifth step to finish color treatment;
step seven: polishing and grinding
Removing burrs and edges and corners at the edges of various patterns on the copper plate by using a grinding wheel, rubbing the background part of the surface of the copper plate except all the patterns by using fine sand paper to reduce the metal luster of the surface of the copper, rubbing the convex-point decorated patterns obtained in the step five by using fine sand blocks to reduce the natural color of the copper, wherein the color of the copper is different from the color of the background copper, and finally obtaining a finished product;
step eight: oxidation-preventing treatment
Soaking the finished product in antiseptic, drying, oiling the surface of the finished product, and sealing wax after oiling.
2. The multiple-etch, cast-imitation copper process of claim 1, further comprising: in the second step, the temperature for preparing the etching agent is 10-60 ℃, in the second step, thiocyanate ions are one of ammonium thiocyanate and potassium thiocyanate, and thiosulfate ions are one of potassium thiosulfate and sodium thiosulfate.
3. The multiple-etch, cast-imitation copper process of claim 1, further comprising: and in the third step, the surface of the copper plate is corroded by the etching catalyst obtained in the second step at normal temperature for 7 minutes, and the corrosion depth is 0.1 mm.
4. The multiple-etch, cast-imitation copper process of claim 1, further comprising: and in the fourth step, the etching catalytic liquid prepared in the second step is coated on the surface of the copper plate, and the unprotected position is etched for 15 minutes, wherein the etching depth is 0.2 mm.
5. The multiple-etch, cast-imitation copper process of claim 1, further comprising: and in the fifth step, the surface of the copper plate is corroded for 7 minutes by the etching catalyst obtained in the second step, the corrosion depth is 0.1 millimeter, the part of the corrosion-resistant coating is not corroded, convex dotted patterns are formed on the surface of the copper plate, the etching catalyst obtained in the second step is dripped into a shallow image-text groove to be corroded for 22 minutes, the corrosion depth is 0.3 millimeter, and concave dotted patterns are formed on the surface of the copper plate.
6. The multiple-etch, cast-imitation copper process of claim 1, further comprising: and seventhly, a friction polishing method for the background part of the surface of the copper plate is different from a friction polishing method for the convex decoration patterns, so that the copper natural color of the background part is different from the copper natural color of the convex decoration patterns.
7. The multiple-etch, cast-imitation copper process of claim 1, further comprising: in the eighth step, the preservative is a mixed solution of benzotriazole, sodium sulfosalicylate and sodium dodecyl sulfate.
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| CN201811607128.9A CN111376129B (en) | 2018-12-27 | 2018-12-27 | Multiple etching copper imitation process |
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| CN201811607128.9A CN111376129B (en) | 2018-12-27 | 2018-12-27 | Multiple etching copper imitation process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112981403A (en) * | 2020-12-29 | 2021-06-18 | 苏州运宏电子有限公司 | Metal sheet surface fine grain etching process |
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| CN107215140A (en) * | 2017-07-27 | 2017-09-29 | 安徽省九华山法器有限公司 | A kind of Zijin etch process |
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| CN1130408A (en) * | 1993-09-08 | 1996-09-04 | 菲布罗技术公司 | Copper etchant solution additives |
| CN1124209A (en) * | 1994-12-05 | 1996-06-12 | 吴春吉 | Copper foil art picture and its producing method |
| CN1480560A (en) * | 2003-07-08 | 2004-03-10 | 杭州金星铜工程有限总公司 | Multiple etching technique for imitating cast copper, and its products |
| CN101226334A (en) * | 2008-02-01 | 2008-07-23 | 南昌印钞厂 | Mirror plane erosion carving gravure technique |
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| KR100902192B1 (en) * | 2008-07-18 | 2009-06-10 | 윤석원 | The manufacture method of steel plate to be formed a real picture pattern |
| CN102618872A (en) * | 2011-01-25 | 2012-08-01 | 关东化学株式会社 | Etching solution composition for metal thin film consisting primarily of copper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112981403A (en) * | 2020-12-29 | 2021-06-18 | 苏州运宏电子有限公司 | Metal sheet surface fine grain etching process |
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| CN111376129B (en) | 2021-07-20 |
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