CN101545132B - Method for electrolytically etching pictures and text on metal plate and device thereof - Google Patents
Method for electrolytically etching pictures and text on metal plate and device thereof Download PDFInfo
- Publication number
- CN101545132B CN101545132B CN2009100266413A CN200910026641A CN101545132B CN 101545132 B CN101545132 B CN 101545132B CN 2009100266413 A CN2009100266413 A CN 2009100266413A CN 200910026641 A CN200910026641 A CN 200910026641A CN 101545132 B CN101545132 B CN 101545132B
- Authority
- CN
- China
- Prior art keywords
- metal sheet
- positive electrode
- negative potential
- electrolytic solution
- text
- 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.)
- Active
Links
Images
Abstract
The invention discloses a method for electrolytically etching pictures and text on a metal plate and a device thereof. The method comprises the following steps: putting a metal plate with an electrolytically etched picture and text layer on the upper surface on a conveyer roller and moving to an electrolytic region with an upper negative electrode and a lower positive electrode which are arrangedto be staggered in the vertical direction; simultaneously jetting electrolyte in a gap between the upper surface of the metal plate and the negative electrode along the moving direction of the metal plate and a gap between the lower surface of the metal plate and the positive electrode; and applying voltages on the positive electrode and the negative electrode so that the electrolytic etching region on the upper surface of the metal plate is electrolytically etched. The device comprises a stand, a motor, a transmission device, the conveyer roller, the positive electrode, the negative electrode, an electrolyte pipeline, an upper nozzle and a lower nozzle. The invention hardly generates short circuits and has high etching efficiency, high radiation speed and reasonable structure.
Description
Technical field
The present invention relates to a kind of method and device that on the through type e Foerderanlage, metal sheet is carried out electrolytically etching.
Background technology
The continuous electrolysis etching method of existing metallic substance is mainly used in metal coiled material or band, and the electrolytically etching of metal sheet can only be carried out separately usually, so the electrolytically etching production efficiency of metal sheet is lower.The Chinese invention patent application number is 200680006806.5 to disclose a kind of apparatus and method of etching of substrates, this invention is sprayed onto form or the similar form of electrolysis (etching) liquid with spraying on the circuit card, jet apparatus contacts with power supply one utmost point, and circuit card contacts with another utmost point of power supply, to have quickened etching process.This invention has the following disadvantages: because positive electrode and negative potential are arranged face-to-face, when continuous etching owing to have the space between the etched two blocks of adjacent circuit plates of institute, make the above-mentioned space of electrolyte cross cause positive electrode and negative potential to be short-circuited, cause power dissipation; Electrolytic solution vertically sprays to circuit board surface, is unfavorable for the walking of circuit card, also is unfavorable for the renewal at etching interface, influences etching efficiency; There is big distance between positive electrode, negative potential and the circuit card, needs more electrolytic solution, cause waste.
Summary of the invention
The method of the electrolytically etching pictures and text on metal plate that first purpose of the present invention is to provide a kind of and is difficult for being short-circuited, etching efficiency is high.
Second purpose of the present invention is to provide a kind of device of rational in infrastructure, electrolytically etching pictures and text on metal plate that etching efficiency is high.
In order to reach above-mentioned first purpose, technical scheme of the present invention is, a kind of method of electrolytically etching pictures and text on metal plate, comprise that step a, the metal sheet that upper surface has been had an anti-electrolytically etching picture and text layer place on conveying roller or the conveying belt, b, metal sheet is moved to the electrolysis zone by conveying roller or conveying belt, the negative potential in c, electrolysis zone is last, positive electrode is following, and arrange in the vertical direction dislocation, make the metal sheet upper surface also and between the negative potential keep certain interval in the metal sheet moving process facing to negative potential; Make the metal sheet lower surface also and between the positive electrode keep certain interval facing to positive electrode; D, along metal sheet travel direction spray electrolytic solution in the gap between metal sheet upper surface and the negative potential; E, spray electrolytic solution in the gap between metal sheet lower surface and the positive electrode simultaneously; F, when positive and negative electrode is applied voltage, positive and negative electrode is by electrolytic solution and metal sheet conducting; G, along with the moving continuously of metal sheet, but metal sheet upper surface electrolytically etching zone is able to electrolytically etching; Metal sheet after h, the electrolytically etching is seen off by conveying roller or conveying belt.
In order to save use electrolytic solution, further improve etching efficiency, the gap that keeps 0.5～15mm between described negative potential and the metal sheet upper surface keeps 0.5～30mm gap between positive electrode and the metal sheet lower surface.
In order to improve continuous etch effect, when metal sheet moves to the electrolysis zone, successively pass through n negative potential and n+1 positive electrode.
After adopting technique scheme, because the negative potential in electrolysis zone is last, positive electrode is down, and arranges in the vertical direction dislocation, even the therefore space between two adjacent metal sheets of electrolyte cross also is difficult for being short-circuited, can not cause power dissipation; Owing to, help the walking of metal sheet, also help the renewal at etching interface again, improve etching efficiency along metal sheet travel direction spray electrolytic solution in the gap between metal sheet upper surface and the negative potential; The electrolytic solution that method of the present invention adopts is few, and heat is taken away by electrolytic solution at any time, rapid heat dissipation, and voltage loss is little, the production efficiency height.
In order to reach above-mentioned second purpose, technical scheme of the present invention is, a kind of device of electrolytically etching pictures and text on metal plate, comprise frame, motor, transmission mechanism, conveying roller, positive electrode, negative potential, the electrolytic solution pipeline, upper spray nozzle and following nozzle, motor wherein, conveying roller, positive electrode, negative potential and electrolytic solution pipeline are installed on the frame, motor is by the transmission mechanism conveying roller that is in transmission connection, the electrolytic solution pipeline reaches down with upper spray nozzle, and nozzle is communicated with, at least one negative potential is positioned at the upside of conveying roller, at least one positive electrode is positioned at the downside of conveying roller, and negative potential and positive electrode are arranged in the vertical direction dislocation; When metal sheet moves to the position at positive and negative electrode place, have certain interval between metal sheet upper surface and the negative potential, have certain interval between metal sheet lower surface and the positive electrode; The pairing upper spray nozzle outlet of negative potential is along conveying roller throughput direction and the gap between metal sheet upper surface and negative potential; The pairing gap of nozzle between metal sheet lower surface and positive electrode down of positive electrode.
In order to save use electrolytic solution, further improve etching efficiency, the gap between described negative potential and the metal sheet upper surface is 0.5～15mm, the gap between positive electrode and the metal sheet lower surface is 0.5～30mm.
In order further to improve continuous etch effect, very n of described negative electricity, very n+1 of positive electricity.
In order to recycle electrolytic solution, the frame of described nozzle down below is provided with the electrolytic solution take-up reel, and the electrolytic solution take-up reel is communicated with the electrolytic solution case, and the electrolytic solution case is by pump and electrolytic solution pipeline connection.
In order to improve timely removal smog, improve production environment, described frame is provided with air exhausting device.
Reasonable more, simple for structure, described transmission mechanism comprises sprocket wheel, chain, transmission shaft and gear pair, and wherein motor passes through gear pair drive transfer roller again by chain, chain wheel drive transmission shaft, transmission shaft.
After adopting technique scheme, because at least one negative potential is positioned at the upside of conveying roller, at least one positive electrode is positioned at the downside of conveying roller, negative potential and positive electrode are arranged in the vertical direction dislocation, even the space when therefore working between two adjacent metal sheets of electrolyte cross, also be difficult for being short-circuited, can not cause power dissipation; Because the pairing upper spray nozzle outlet of negative potential along conveying roller throughput direction and the gap between metal sheet upper surface and negative potential, helps the walking of metal sheet, also help the renewal at etching interface again, improve etching efficiency; Electrolytic solution enters metal sheet surface and gaps between electrodes, makes metal sheet and positive and negative electrode conduction, and the electrolytically etching of metal sheet is carried out continuously, and electrolytic solution is taken away heat and etch products at any time, rapid heat dissipation, production efficiency height, be suitable for continuous batch production, rational in infrastructure.
Description of drawings
The embodiment that provides below in conjunction with accompanying drawing does explanation in further detail to the present invention.
Fig. 1 is the structure front view of the device of electrolytically etching pictures and text on metal plate of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the partial enlarged drawing of the feed zone of Fig. 1;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the partial enlarged drawing in the electrolysis zone of Fig. 1;
Fig. 6 is the vertical view after Fig. 5 removes the air draft hood;
Fig. 7 is the sectional view of Fig. 5 along the A-A line;
Fig. 8 is the partial enlarged drawing in the discharging zone of Fig. 1;
Fig. 9 is the vertical view of Fig. 8.
Embodiment
As Fig. 1,2,5, shown in 7, the method of electrolytically etching pictures and text on metal plate of the present invention, the method that comprises a kind of electrolytically etching pictures and text on metal plate, comprise step a, the metal sheet 18 that upper surface has been had anti-electrolytically etching picture and text layer places on conveying roller 4 or the conveying belt, b, by conveying roller 4 or conveying belt metal sheet 18 is moved to the electrolysis zone, c, the negative potential 7 in electrolysis zone is last, positive electrode 6 is following, and arrange in vertical direction dislocation, make in metal sheet 18 moving process metal sheet 18 upper surfaces facing to negative potential 7 and and negative potential 7 between keep certain interval; Make metal sheet 18 lower surfaces facing to positive electrode 6 and and positive electrode 6 between keep certain interval; D, along metal sheet 18 travel directions spray electrolytic solution in the gap between metal sheet 18 upper surfaces and the negative potential 7; E, spray electrolytic solution in the gap between metal sheet 18 lower surfaces and the positive electrode 6 simultaneously; F, when positive and negative electrode 6,7 is applied voltage, positive and negative electrode 6,7 is by electrolytic solution and metal sheet 18 conductings; G, along with the moving continuously of metal sheet 18, but metal sheet 18 upper surface electrolytically etching zones (zone outside the promptly anti-electrolytically etching picture and text layer) is able to electrolytically etching; Metal sheet 18 after h, the electrolytically etching is seen off by conveying roller 4 or conveying belt.
Shown in Fig. 1,5,7, in order to save use electrolytic solution, further improve etching efficiency, the gap that keeps 0.5～15mm between described negative potential 7 and metal sheet 18 upper surfaces keeps 0.5～30mm gap between positive electrode 6 and metal sheet 18 lower surfaces.Be preferably the gap of 0.5～1mm, this is because the liquid level tension force of electrolytic solution can make liquid level be convenient to keep the thickness of 0.5～1mm.
Shown in Fig. 1,5,7,, when metal sheet 18 moves to the electrolysis zone, successively pass through n negative potential 7 and n+1 positive electrode 6 in order further to improve continuous etch effect.Wherein n is a positive integer.
As Fig. 1,2,3,4,5,6,7,8, shown in 9, the device of electrolytically etching pictures and text on metal plate of the present invention, comprise frame 1, motor 2, transmission mechanism 3, conveying roller 4, positive electrode 6, negative potential 7, electrolytic solution pipeline 8, upper spray nozzle 9 and following nozzle 9 ', wherein motor 2, conveying roller 4, positive electrode 6, negative potential 7 and electrolytic solution pipeline 8 are installed on the frame 1, motor 2 is by transmission mechanism 3 conveying roller 4 that is in transmission connection, electrolytic solution pipeline 8 reaches down with upper spray nozzle 9, and nozzle 9 ' is communicated with, at least one negative potential 7 is positioned at the upside of conveying roller 4, at least one positive electrode 6 is positioned at the downside of conveying roller 4, and negative potential 7 and positive electrode 6 are arranged in the vertical direction dislocation; When metal sheet 18 moves to the position at positive and negative electrode 6,7 places, have certain interval between metal sheet 18 upper surfaces and the negative potential 7, have certain interval between metal sheet 18 lower surfaces and the positive electrode 6; Negative potential 7 pairing upper spray nozzle 9 outlets are along conveying roller 4 throughput directions and the gap between metal sheet 18 upper surfaces and negative potential 7; The positive electrode 6 pairing gaps of nozzle 9 ' between metal sheet 18 lower surfaces and positive electrode 6 down.
Shown in Fig. 1,5,7, in order to save use electrolytic solution, further improve etching efficiency, the gap between described negative potential 7 and metal sheet 18 upper surfaces is 0.5～15mm, the gap between positive electrode 6 and metal sheet 18 lower surfaces is 0.5～30mm.Preferably adopt the gap of 0.5～1mm.
Shown in Fig. 1,2,5,6,7, in order to recycle electrolytic solution, the frame 1 of described nozzle down 9 ' below is provided with electrolytic solution take-up reel 11, and electrolytic solution take-up reel 11 is communicated with electrolytic solution case 12, and electrolytic solution case 12 is communicated with electrolytic solution pipeline 8 by pump 13.
Shown in Fig. 1,2,5, in order in time to remove smog, improve production environment, described frame 1 is provided with air exhausting device 10.
Shown in Fig. 1,2,3,4,5,6,7,8,9, for structure more rationally, simple, described transmission mechanism 3 comprises sprocket wheel 3-1, chain 3-2, transmission shaft 3-3 and gear pair 3-4, and wherein motor 2 drives transmission shaft 3-3, transmission shaft 3-3 again by gear pair 3-4 drive transfer roller 4 by chain 3-2, sprocket wheel 3-1.Can certainly adopt other known transmission mechanism.
The quantity of negative potential 7 of the present invention and positive electrode 6 also can n; The quantity of negative potential 7 and positive electrode 6 also need not be identical.In order further to improve continuous etch effect, preferably adopt n negative potential 7 and n+1 positive electrode 6, wherein n is a positive integer.
Shown in Fig. 1,5,7, working process of the present invention is as follows, the metal sheet 18 that upper surface has been had anti-electrolytically etching picture and text layer places on conveying roller 4 or the conveying belt, by conveying roller 4 or conveying belt metal sheet 18 is moved to the electrolysis zone, the negative potential 7 in electrolysis zone is last, positive electrode 6 is down, and arranges in the vertical direction dislocation, make in metal sheet 18 moving process metal sheet 18 upper surfaces facing to negative potential 7 and and negative potential 7 between keep certain interval; Make metal sheet 18 lower surfaces facing to positive electrode 6 and and positive electrode 6 between keep certain interval; Along metal sheet 18 travel directions spray electrolytic solution in the gap between metal sheet 18 upper surfaces and the negative potential 7; Spray electrolytic solution in the gap between metal sheet 18 lower surfaces and the positive electrode 6 simultaneously; When positive and negative electrode 6,7 was applied voltage, positive and negative electrode 6,7 was by electrolytic solution and metal sheet 18 conductings; Along with moving continuously of metal sheet 18, but metal sheet 18 upper surface electrolytically etching zones (zone outside the promptly anti-electrolytically etching picture and text layer) is able to electrolytically etching; Metal sheet 18 after the electrolytically etching is seen off by conveying roller 4 or conveying belt.After the electrolysis zone was left in metal sheet 18 front portions, front, conveying roller 4 was sent the metal sheet 18 in back into the electrolysis zone again, metal sheet 18 continuous electrolysis etchings, production efficiency height.
The present invention also is applicable to the two-sided picture and text electrolytically etching processing of metal sheet, as long as after the upper surface picture and text electrolytically etching of metal sheet finishes, with metal sheet upset one side more once, promptly finish the two-sided picture and text electrolytically etching processing of metal sheet by the present invention program's electrolytically etching.
The present invention also is applicable to the continuous electrolysis etching of metal coiled material or band.
Claims (9)
1. the method for an electrolytically etching pictures and text on metal plate, comprise that step a, the metal sheet (18) that upper surface has been had an anti-electrolytically etching picture and text layer place on conveying roller (4) or the conveying belt, b, metal sheet (18) is moved to the electrolysis zone, it is characterized in that by conveying roller (4) or conveying belt:
The negative potential in c, electrolysis zone (7) is last, and positive electrode (6) is down, and arranges in the vertical direction dislocation, make in metal sheet (18) moving process metal sheet (18) upper surface facing to negative potential (7) and and negative potential (7) between keep certain interval; Make metal sheet (18) lower surface facing to positive electrode (6) and and positive electrode (6) between keep certain interval;
D, along metal sheet (18) travel direction spray electrolytic solution in the gap between metal sheet (18) upper surface and the negative potential (7);
E, spray electrolytic solution in the gap between metal sheet (18) lower surface and the positive electrode (6) simultaneously;
F, to positive and negative electrode (6,7) when applying voltage, positive and negative electrode (6,7) is by electrolytic solution and metal sheet (18) conducting;
G, along with the moving continuously of metal sheet (18), metal sheet (18) but upper surface electrolytically etching zone is able to electrolytically etching;
Metal sheet after h, the electrolytically etching (18) is seen off by conveying roller (4) or conveying belt.
2. the method for electrolytically etching pictures and text on metal plate according to claim 1, it is characterized in that: the gap that keeps 0.5～15mm between described negative potential (7) and metal sheet (18) upper surface keeps 0.5～30mm gap between positive electrode (6) and metal sheet (18) lower surface.
3. the method for electrolytically etching pictures and text on metal plate according to claim 1 is characterized in that: when metal sheet (18) moves to the electrolysis zone, successively by n negative potential (7) and n+1 positive electrode (6).
4. the device of an electrolytically etching pictures and text on metal plate, comprise frame (1), motor (2), transmission mechanism (3), conveying roller (4), positive electrode (6), negative potential (7), electrolytic solution pipeline (8), upper spray nozzle (9) and following nozzle (9 '), wherein motor (2), conveying roller (4), positive electrode (6), negative potential (7) and electrolytic solution pipeline (8) are installed on the frame (1), motor (2) is by transmission mechanism (3) conveying roller (4) that is in transmission connection, electrolytic solution pipeline (8) is communicated with upper spray nozzle (9) and following nozzle (9 '), it is characterized in that:
A, at least one negative potential (7) are positioned at the upside of conveying roller (4), and at least one positive electrode (6) is positioned at the downside of conveying roller (4), and negative potential (7) and positive electrode (6) are arranged in the vertical direction dislocation;
B, when metal sheet (18) moves to the position at positive and negative electrode (6,7) place, have certain interval between metal sheet (18) upper surface and the negative potential (7), have certain interval between metal sheet (18) lower surface and the positive electrode (6);
C, the pairing upper spray nozzle of negative potential (7) (9) export along conveying roller (4) throughput direction and the gap between metal sheet (18) upper surface and negative potential (7);
D, the pairing gap of nozzle (9 ') between metal sheet (18) lower surface and positive electrode (6) down of positive electrode (6).
5. the device of electrolytically etching pictures and text on metal plate according to claim 4, it is characterized in that: the gap between described negative potential (7) and metal sheet (18) upper surface is 0.5～15mm, and the gap between positive electrode (6) and metal sheet (18) lower surface is 0.5～30mm.
6. according to the device of claim 4 or 5 described electrolytically etching pictures and text on metal plate, it is characterized in that: described negative potential (7) is n, and positive electrode (6) is n+1.
7. the device of electrolytically etching pictures and text on metal plate according to claim 6, it is characterized in that: the frame (1) of described nozzle (9 ') down below is provided with electrolytic solution take-up reel (11), electrolytic solution take-up reel (11) is communicated with electrolytic solution case (12), and electrolytic solution case (12) is communicated with electrolytic solution pipeline (8) by pump (13).
8. the device of electrolytically etching pictures and text on metal plate according to claim 6, it is characterized in that: described frame (1) is provided with air exhausting device (10).
9. the device of electrolytically etching pictures and text on metal plate according to claim 4, it is characterized in that: described transmission mechanism (3) comprises sprocket wheel (3-1), chain (3-2), transmission shaft (3-3) and gear pair (3-4), and wherein motor (2) drives transmission shaft (3-3), transmission shaft (3-3) again by gear pair (3-4) drive transfer roller (4) by chain (3-2), sprocket wheel (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100266413A CN101545132B (en) | 2009-05-08 | 2009-05-08 | Method for electrolytically etching pictures and text on metal plate and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100266413A CN101545132B (en) | 2009-05-08 | 2009-05-08 | Method for electrolytically etching pictures and text on metal plate and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101545132A CN101545132A (en) | 2009-09-30 |
| CN101545132B true CN101545132B (en) | 2010-11-10 |
Family
ID=41192499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100266413A Active CN101545132B (en) | 2009-05-08 | 2009-05-08 | Method for electrolytically etching pictures and text on metal plate and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101545132B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871121B (en) * | 2010-06-29 | 2012-07-04 | 常州市正成标牌设备有限公司 | Metal sheet electrolytic etching method and etching machine |
| CN101871120B (en) * | 2010-06-29 | 2012-05-02 | 常州市正成标牌设备有限公司 | Electrolytic etching method of metal plate and etching machine thereof |
| CN102061510B (en) * | 2010-06-29 | 2012-08-08 | 常州市正成标牌设备有限公司 | Electrolytic etching method of metal plate and etching machine thereof |
| CN102181915B (en) * | 2011-04-11 | 2013-04-10 | 常州正成机电科技有限公司 | Method and device for carrying out electrolytic etching on metal plate |
| CN104249567A (en) * | 2013-06-28 | 2014-12-31 | 无锡华臻新能源科技有限公司 | Electrochemical marking machine for generating random patterns and texts by jet flow |
| TWI599682B (en) * | 2015-11-03 | 2017-09-21 | 財團法人工業技術研究院 | Apparatus for electrochemical etching and apparatus for electroplating |
| CN105442017A (en) * | 2015-12-16 | 2016-03-30 | 黄权波 | Anodic oxidation automated production method and device adopting horizontal transfer for aluminum plates |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201400722Y (en) * | 2009-05-08 | 2010-02-10 | 常州市正成标牌设备有限公司 | Metal plate pattern-character etching device employing electrolysis |
-
2009
- 2009-05-08 CN CN2009100266413A patent/CN101545132B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201400722Y (en) * | 2009-05-08 | 2010-02-10 | 常州市正成标牌设备有限公司 | Metal plate pattern-character etching device employing electrolysis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101545132A (en) | 2009-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101545132B (en) | Method for electrolytically etching pictures and text on metal plate and device thereof | |
| CN101871120B (en) | Electrolytic etching method of metal plate and etching machine thereof | |
| CN201400722Y (en) | Metal plate pattern-character etching device employing electrolysis | |
| CN101871121B (en) | Metal sheet electrolytic etching method and etching machine | |
| CN211240332U (en) | Spraying device and etching machine | |
| KR101750995B1 (en) | etching equipment for metal sheet material | |
| CN102181915B (en) | Method and device for carrying out electrolytic etching on metal plate | |
| CN200964439Y (en) | Etching device for circuit board | |
| CN102628177A (en) | Electrical etching machine of metal cutter template | |
| CN102011162A (en) | Method and device for electroplating sheets | |
| CN105314624A (en) | Device and process for preparing graphene | |
| CN112135430A (en) | Etching device for printed circuit board | |
| CN202054918U (en) | Device for electrolytically etching metal plate | |
| CN108179459B (en) | Copper bar electrolytic tinning bath and full-automatic copper bar tinning production equipment | |
| CN207099442U (en) | A kind of printed circuit board production line anti-scratch tool | |
| CN212576940U (en) | Surface pretreatment device for metal etching | |
| CN201762465U (en) | Electrical etching machine for metal plate | |
| CN101498019B (en) | Composite oxidation apparatus for aluminum base plate for printing | |
| CN201762475U (en) | Metal plate electrolytic etching machine | |
| CN201762476U (en) | Electrolytic etching machine for metal plate | |
| CN114914032B (en) | Enamelled iron wire production process | |
| CN202643881U (en) | Electrolytic etching machine | |
| CN102061510B (en) | Electrolytic etching method of metal plate and etching machine thereof | |
| TW200738917A (en) | Method of removing conductive metal oxide thin-film and apparatus therefor | |
| CN202037971U (en) | Auxiliary device for wet method film sticking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHANGZHOU ZHENGCHENG CORPORATION Free format text: FORMER OWNER: ZHENGZHOU HONEST METAL ETCHING + FINISHING MACHINE CO., LTD. Effective date: 20120406 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213000 CHANGZHOU, JIANGSU PROVINCE TO: 213136 CHANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120406 Address after: 213136 Jiangsu Province, Changzhou New District and Luoxi Airport Industrial Park Road, No. 9 Patentee after: Changzhou ZhengCheng Company Address before: 213000 Jiangsu Province, Changzhou New District and Luoxi Airport Industrial Park Road, No. 9 Patentee before: Zhengzhou Honest Metal Etching & Finishing Machine Co., Ltd. |