CN108546904A - Double spray gun electric arc metal spraying machine spraying control systems - Google Patents
Double spray gun electric arc metal spraying machine spraying control systems Download PDFInfo
- Publication number
- CN108546904A CN108546904A CN201810394387.1A CN201810394387A CN108546904A CN 108546904 A CN108546904 A CN 108546904A CN 201810394387 A CN201810394387 A CN 201810394387A CN 108546904 A CN108546904 A CN 108546904A
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- Prior art keywords
- spray gun
- detection switch
- spraying
- plc
- metal spraying
- 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.)
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- 238000005507 spraying Methods 0.000 title claims abstract description 132
- 239000007921 spray Substances 0.000 title claims abstract description 129
- 239000002184 metal Substances 0.000 title claims abstract description 87
- 238000010891 electric arc Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 102
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011104 metalized film Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/131—Wire arc spraying
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Double spray gun electric arc metal spraying machine spraying control systems of the invention, including following component part：Operating system (10) is electrically connected with the first input end of PLC (60), first detection switch (20) is electrically connected with the second input terminal of PLC (60), the third input terminal of second detection switch (30) PLC (60) is electrically connected, third detection switch (40) is electrically connected with the 4th input terminal of PLC (60), 4th detection switch (50) is electrically connected with the 5th input terminal of PLC (60), PLC (60), man-machine interface (70) is connect with PLC (60) both-way communication, first spray gun spraying driving (80) is electrically connected with (60) first output ends of PLC, second spray gun spraying drives the electrical connection of (90) PLC (60) second output terminal.For the present invention using longitudinal double spray gun structure, equipment capacity can be improved close to the spraying effect in two metal spraying periods in the metal spraying machine that one metal spraying period of completion can reach single spray gun structure.
Description
Technical field
The present invention relates to thin film capacitors to manufacture field, more particularly to a kind of double spray gun electric arc metal spraying machine spraying controls
System processed.
Background technology
In the manufacturing process of film capacitor, metal spraying is a very crucial production process.This process is profit
After being melted wire with electric arc or flame, recycle compressed air that it is sprayed on capacitor body metallization from nozzle at high speeds
In film facing layer gap, winding layer and outer winding layer are respectively formed a same potential in the metallized film to make capacitor body
Metal electrode face, to achieve the purpose that by electrode draw；By a certain number of capacitor bodies to be painted putting neatly
In fuse carrier metal spraying frame, metal spraying frame is placed on driving chain, is sent by driving chain under the spray gun of spray chamber room, with spray
Rifle lateral probe movement is that laterally, driving chain drives metal spraying frame is slowly mobile to complete certain area capacitor body metal spraying to be longitudinal
Task；The distance of metal spraying frame transverse width, that is, spray gun transversely lateral probe movement, electric arc metal spraying machine control system generally comprise chain
Drive control, spray gun scan control, the control of thermometal particle spray coating；Chain drive control includes that metal spraying frame quickly passes in and out spray
Chamber controls and slowly mobile control when metal spraying, spray gun left and right moving control when spray gun scan control, that is, metal spraying, the spray of thermometal particle
Nozzle gas supply, power supply, wire feed when control is metal spraying to spray gun is applied to control；According to technological requirement, gilding layer must reach certain
Thickness and metal spraying particle is required to reach certain fineness degree, single spraying rifle electric arc metal spraying machine often takes method of applying multiple coatings satisfaction to want
It asks, but this certainly will cause equipment capacity low.
Invention content
The purpose of the present invention is being directed to the deficiencies in the prior art, a kind of double spray gun electric arc metal spraying machine spraying controls are provided
System processed, using longitudinal double spray gun structure, the metal spraying machine that one metal spraying period of completion can reach single spray gun structure is sprayed close to two
The spraying effect in golden period, can be improved equipment capacity.
Technical solution：
To achieve the above object, present invention employs following technical schemes：Double spray gun electric arc metal spraying machine spraying control systems, including
Following component part：
1. operating system, the operating system is electrically connected with the first input end of PLC, for sending out instruction, the operating system
Order button include：Start button, pause button；
2. the first detection switch, first detection switch is electrically connected with the second input terminal of PLC, is for detecting metal spraying frame
It is no to reach/leave the first spray gun vertical lower；
3. the second detection switch, second detection switch is electrically connected with the third input terminal of PLC, is for detecting metal spraying frame
It is no to reach/leave the first spray gun vertical lower；
4. third detection switch, the third detection switch is electrically connected with the 4th input terminal of PLC, is for detecting metal spraying frame
It is no to reach/leave the second spray gun vertical lower；
5. the 4th detection switch, the 4th detection switch is electrically connected with the 5th input terminal of PLC, is for detecting metal spraying frame
It is no to reach/leave the second spray gun vertical lower；
6.PLC, the PLC are connect with man-machine interface both-way communication；The first output end of the PLC and the first spray gun spraying drive
Electrical connection, for controlling the driving of the first spray gun spraying；The second output terminal of the PLC is electrically connected with the driving of the second spray gun spraying,
For controlling the driving of the second spray gun spraying；
7. man-machine interface is used for the setting of metal spraying number；
8. the first spray gun spraying drives, gas supply, power supply, wire feed for driving the first spray gun；
9. the second spray gun spraying drives, gas supply, power supply, wire feed for driving the second spray gun；
Further, first spray gun, the second spray gun fore-and-aft distance are 300mm, this distance can guarantee in the first spray gun, second
When spray gun works at the same time, nozzle at high speeds compressed air stream does not interfere with each other.
Further, first detection switch, the second detection switch, third detection switch, the 4th detection switch difference
It is fixed on outside metal spraying room, is not influenced by metallic dust in spray chamber.
Further, first detection switch, the second detection switch, third detection switch, the 4th detection switch are sense
Inductive switch incudes detection by the metal sensor block being fixed on chain.
Further, first detection switch, third detection switch and the second detection switch, the 4th detection switch spacing
Equal to the first spray gun, the second spray gun fore-and-aft distance.
Further, first detection switch, the second detection switch and third detection switch, the 4th detection switch spacing
Equal to metal spraying lengths of frame.
Compared with prior art, the present invention haing the following advantages：
Using longitudinal double spray gun structure, when metal sensor block is operated in chain between third detection switch and the second detection switch
When, the first spray gun is implemented to spray simultaneously with the second spray gun；The metal spraying machine that a metal spraying period can reach single spray gun structure is completed to connect
The spraying effect in nearly two metal spraying periods, can be improved equipment capacity.
Description of the drawings
Fig. 1 is control system schematic diagram of the present invention.
Fig. 2 is the present invention in origin schematic diagram.
Fig. 3 is operation principle schematic diagram of the present invention.
In figure：1 origin detection switch, 2 metal sensor blocks, 3 first spray guns, 4 second spray guns, 5 metal spraying frames, 6 partition walls, 7
Chain, 10 operating systems, 20 first detection switch, 30 second detection switch, 40 third detection switch, 50 the 4th detection switch,
60 PLC, 70 man-machine interfaces, the driving of 80 first spray gun sprayings, the driving of 90 second spray gun sprayings.
Specific implementation mode
As shown in Figs. 1-3, the double spray gun electric arc metal spraying machine spraying control systems of the present invention, including following component part：
1. operating system (10), the operating system (10) is electrically connected with the first input end of PLC (60), for sending out instruction,
The order button of the operating system (10) includes：Start button, pause button；
2. the first detection switch (20), first detection switch (20) is electrically connected with the second input terminal of PLC (60), for examining
Survey whether metal spraying frame (5) reaches/leave the first spray gun (3) vertical lower；
3. the second detection switch (30), second detection switch (30) is electrically connected with the third input terminal of PLC (60), for examining
Survey whether metal spraying frame (5) reaches/leave the first spray gun (3) vertical lower；
4. third detection switch (40), the third detection switch (40) is electrically connected with the 4th input terminal of PLC (60), for examining
Survey whether metal spraying frame (5) reaches/leave the second spray gun (4) vertical lower；
5. the 4th detection switch (50), the 4th detection switch (50) is electrically connected with the 5th input terminal of PLC (60), for examining
Survey whether metal spraying frame (5) reaches/leave the second spray gun (4) vertical lower；
6.PLC (60), the PLC (60) connect with man-machine interface (70) both-way communication；First output end of the PLC (60) with
First spray gun spraying drives (80) electrical connection, for controlling the first spray gun spraying driving (80)；Second output of the PLC (60)
End is electrically connected with the second spray gun spraying driving (90), for controlling the second spray gun spraying driving (90)；
7. man-machine interface (70) is used for the setting of metal spraying number；
8. the first spray gun spraying drives (80), gas supply, power supply, wire feed for driving the first spray gun (3)；
9. the second spray gun spraying drives (90), gas supply, power supply, wire feed for driving the second spray gun (4)；
First spray gun (3), the second spray gun (4) fore-and-aft distance are 300mm, this distance can guarantee in the first spray gun (3), second
When spray gun (4) works at the same time, nozzle at high speeds compressed air stream does not interfere with each other；
First detection switch (20), the second detection switch (30), third detection switch (40), the 4th detection switch (50) point
It is not fixed on outside metal spraying room, is not influenced by metallic dust in spray chamber；
First detection switch (20), the second detection switch (30), third detection switch (40), the 4th detection switch (50) are
Inductive switch incudes detection by the metal sensor block (2) being fixed on chain (7)；
First detection switch (20), third detection switch (40) and the second detection switch (30), the 4th detection switch (50)
Spacing is equal to the first spray gun (3), the second spray gun (4) fore-and-aft distance；
First detection switch (20), the second detection switch (30) and third detection switch (40), the 4th detection switch (50)
Spacing is equal to metal spraying frame (5) length.
The course of work of the present invention：
1. when the start button of push system (10)：
Metal spraying frame (5) enters with chain (7) in the interior metal spraying room of partition wall (6), at this time metal sensor block (2) with chain (7) from original
It is exited into outside metal spraying room at point detection switch (1)；
2. when metal sensor block (2) senses the first detection switch (20) with chain (7) operation, metal spraying frame (5) arrives at this time
Up to the first spray gun (3) vertical lower, PLC (60) controls the first spray gun spraying driving (80) operation, the driving of the first spray gun spraying
(80) the first spray gun of driving (3) supplies, powers, wire feed, implements the positive spraying of the first spray gun (3)；
3. when metal sensor block (2) senses third detection switch (40) with chain (7) operation, metal spraying frame (5) arrives at this time
Up to the second spray gun (4) vertical lower, PLC (60) controls the second spray gun spraying driving (90) operation, the driving of the second spray gun spraying
(90) the second spray gun of driving (4) supplies, powers, wire feed, implements the positive spraying of the second spray gun (4)；
When 4 metal sensor blocks (2) are operated in chain (7) between third detection switch (40) and the second detection switch (30), the
One spray gun (3) and the second spray gun (4) while implementing positive spraying；
5. when metal sensor block (2) with chain (7) operation sense the second detection switch (30) when, at this time metal spraying frame (5) from
The first spray gun (3) vertical lower is opened, PLC (60) controls the first spray gun spraying and drives (80) out of service, and the first spray gun spraying drives
Dynamic (80) stop the first spray gun (3) and supply, power, wire feed, and once spraying terminates the first spray gun (3)；
6. when metal sensor block (2) with chain (7) operation sense the 4th detection switch (50) when, at this time metal spraying frame (5) from
The second spray gun (4) vertical lower is opened, PLC (60) controls the second spray gun spraying and drives (90) out of service, and the second spray gun spraying drives
Dynamic (90) stop the second spray gun (4) and supply, power, wire feed, and once spraying terminates the second spray gun (4)；
7. after the first spray gun (3), the second spray gun (4) spraying, the not up to setting of the metal spraying number of man-machine interface (70)
When value, spraying control system implements reversed spraying, and metal sensor block (2) is with chain (7) inverted running, metal sensor block at this time
(2) the 4th detection switch (50) is first sensed, metal spraying frame (5) inverted running reaches the second spray gun (4) vertical lower at this time,
PLC (60) control the second spray gun spraying drivings (90) operation, the second spray gun spraying driving (90) the second spray gun of driving (4) gas supply,
Power supply, wire feed are implemented the second spray gun (4) and are reversely sprayed；
8. when metal sensor block (2) senses the second detection switch (30) with chain (7) inverted running, metal spraying frame at this time
(5) inverted running reaches the first spray gun (3) vertical lower, and PLC (60) controls the first spray gun spraying driving (80) operation, the first spray
Rifle spraying driving (80) drives the first spray gun (3) to supply, power, wire feed, implements the first spray gun (3) and reversely sprays；
9. metal sensor block (2) is with chain (7) inverted running between the second detection switch (30) and third detection switch (40)
When, the reversely spraying of the first spray gun (3) and the second spray gun (4) while implementation；
10. the rest may be inferred, when reaching the setting value of the metal spraying number of man-machine interface (70), spraying control system makes metal spraying frame
(5) it is left in the interior metal spraying room of partition wall (6) with chain (7), when metal sensor block (2) senses origin with chain (7) inverted running
When detection switch (1), machine stops, and the automatic metal spraying process of a cycle terminates.
Claims (6)
1. pair spray gun electric arc metal spraying machine spraying control system, it is characterised in that including following component part：
1) operating systems (10), the operating system (10) are electrically connected with the first input end of PLC (60), for sending out instruction,
The order button of the operating system (10) includes：Start button, pause button；
2) the first detection switch of (20), first detection switch (20) are electrically connected with the second input terminal of PLC (60), are used for
Whether detection metal spraying frame (5) reaches/leaves the first spray gun (3) vertical lower；
3) the second detection switch of (30), second detection switch (30) are electrically connected with the third input terminal of PLC (60), are used for
Whether detection metal spraying frame (5) reaches/leaves the first spray gun (3) vertical lower；
4) thirds detection switch (40), the third detection switch (40) are electrically connected with the 4th input terminal of PLC (60), are used for
Whether detection metal spraying frame (5) reaches/leaves the second spray gun (4) vertical lower；
5) the 4th detection switch (50) of, the 4th detection switch (50) are electrically connected with the 5th input terminal of PLC (60), are used for
Whether detection metal spraying frame (5) reaches/leaves the second spray gun (4) vertical lower；
6) (60) .PLC, the PLC (60) connect with man-machine interface (70) both-way communication；First output end of the PLC (60)
It is electrically connected with the first spray gun spraying driving (80), for controlling the first spray gun spraying driving (80)；The second of the PLC (60) is defeated
Outlet drives (90) to be electrically connected with the second spray gun spraying, for controlling the second spray gun spraying driving (90)；
7) man-machine interfaces (70) are used for the setting of metal spraying number；
8) the first spray gun sprayings of driving (80), gas supply, power supply, wire feed for driving the first spray gun (3)；
9) the second spray gun sprayings of driving (90), gas supply, power supply, wire feed for driving the second spray gun (4).
2. double spray gun electric arc metal spraying machine spraying control systems according to claim 1, it is characterised in that first spray gun
(3), the second spray gun (4) fore-and-aft distance is 300mm.
3. double spray gun electric arc metal spraying machine spraying control systems according to claim 1, it is characterised in that first detection
Switch (20), the second detection switch (30), third detection switch (40), the 4th detection switch (50) are separately fixed at metal spraying room
Outside.
4. double spray gun electric arc metal spraying machine spraying control systems according to claim 1, it is characterised in that first detection
Switch (20), the second detection switch (30), third detection switch (40), the 4th detection switch (50) are inductive switch, by solid
Metal sensor block (2) the induction detection being scheduled on chain (7).
5. double spray gun electric arc metal spraying machine spraying control systems according to claim 1, it is characterised in that first detection
Switch (20), third detection switch (40) and the second detection switch (30), the 4th detection switch (50) spacing is equal to the first spray gun
(3), the second spray gun (4) fore-and-aft distance.
6. double spray gun electric arc metal spraying machine spraying control systems according to claim 1, it is characterised in that first detection
Switch (20), the second detection switch (30) and third detection switch (40), the 4th detection switch (50) spacing is equal to metal spraying frame
(5) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810394387.1A CN108546904A (en) | 2018-04-27 | 2018-04-27 | Double spray gun electric arc metal spraying machine spraying control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810394387.1A CN108546904A (en) | 2018-04-27 | 2018-04-27 | Double spray gun electric arc metal spraying machine spraying control systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108546904A true CN108546904A (en) | 2018-09-18 |
Family
ID=63512886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810394387.1A Pending CN108546904A (en) | 2018-04-27 | 2018-04-27 | Double spray gun electric arc metal spraying machine spraying control systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108546904A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600283A (en) * | 2019-09-03 | 2019-12-20 | 黄山申格电子科技有限公司 | Capacitor vapor deposition negative pressure gold plating device and gold plating method thereof |
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|---|---|---|---|---|
| CN201829354U (en) * | 2010-10-13 | 2011-05-11 | 上海广思科贸有限公司 | Three-gun metalling machine for capacitor |
| CN102517534A (en) * | 2011-11-15 | 2012-06-27 | 安徽铜峰电子股份有限公司 | Longitudinal spraying range-controllable capacitor gold spraying device |
| CN202796473U (en) * | 2012-08-21 | 2013-03-13 | 深圳圣融达科技有限公司 | Full-automatic metal-sprayer for plastic film capacitor |
| CN202786394U (en) * | 2012-08-26 | 2013-03-13 | 铜陵铜容电子有限公司 | Circulatory metal spraying device for capacitor |
-
2018
- 2018-04-27 CN CN201810394387.1A patent/CN108546904A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201829354U (en) * | 2010-10-13 | 2011-05-11 | 上海广思科贸有限公司 | Three-gun metalling machine for capacitor |
| CN102517534A (en) * | 2011-11-15 | 2012-06-27 | 安徽铜峰电子股份有限公司 | Longitudinal spraying range-controllable capacitor gold spraying device |
| CN202796473U (en) * | 2012-08-21 | 2013-03-13 | 深圳圣融达科技有限公司 | Full-automatic metal-sprayer for plastic film capacitor |
| CN202786394U (en) * | 2012-08-26 | 2013-03-13 | 铜陵铜容电子有限公司 | Circulatory metal spraying device for capacitor |
Non-Patent Citations (2)
| Title |
|---|
| 钱立文: "薄膜电容自动喷金机控制系统", 《可编程控制器与工厂自动化》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600283A (en) * | 2019-09-03 | 2019-12-20 | 黄山申格电子科技有限公司 | Capacitor vapor deposition negative pressure gold plating device and gold plating method thereof |
| CN110600283B (en) * | 2019-09-03 | 2021-08-03 | 黄山申格电子科技股份有限公司 | Capacitor vapor deposition negative pressure gold plating device and gold plating method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180918 |
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| RJ01 | Rejection of invention patent application after publication |