CN109066148A - Welding female and its electroplating technology - Google Patents
Welding female and its electroplating technology Download PDFInfo
- Publication number
- CN109066148A CN109066148A CN201810829010.4A CN201810829010A CN109066148A CN 109066148 A CN109066148 A CN 109066148A CN 201810829010 A CN201810829010 A CN 201810829010A CN 109066148 A CN109066148 A CN 109066148A
- Authority
- CN
- China
- Prior art keywords
- female
- pedestal
- leg
- main intubation
- intubation
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/30—Electroplating: Baths therefor from solutions of tin
- C25D3/32—Electroplating: Baths therefor from solutions of tin characterised by the organic bath constituents used
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a kind of welding females, major design main points are, including ontology, the ontology includes pedestal and main intubation, and main intubation is tubulose, main intubation lower end is fixed on the base, the centerline collineation of the center line of pedestal and main intubation, pedestal and main intubation are wholely set to form through-hole, and through-hole is located at the center of ontology, pedestal is provided with leg far from the side of main intubation, and ontology and leg are wholely set to be formed；It is provided with nickel layer on the surface of the main intubation, is provided with nickel layer and tin layers on the surface of pedestal and leg and tin layers are located on nickel layer.The present invention is directly used in abrasionproof, use is more convenient by the way that abrasionproof rope is arranged on towline.The invention also discloses a kind of welding female electroplating technologies, and second time electroplating can be carried out on female, and second time electroplating is parcel plating, save raw material.
Description
Technical field
The present invention relates to a kind of welding plug, in particular to a kind of welding female and its electroplating technology.
Background technique
Plug use in electronic component is chiefly used in the position for needing grafting to realize electrical connection than wide, and usually
Regular plug is needed, when in use due to electronic component, generally plug is connected on electric wire, the electricity of plug and connection
Line can be removed from electrical equipment, facilitate winding；And the female matched with plug needs to be mounted on electrical equipment, electricity
Usually there is circuit board in device equipment, female welds on circuit boards.
It is smaller to the abrasion of female after female in the prior art is in order to realize repeatedly plug, usually in mother
Nickel is coated on plug, but the female of nickel plating is easier to form rosin joint when being welded, so welding difficulty.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of welding female, welding
Position is tin layers, and the position for plugging connection is nickel layer, so as to be easy welding in the case where guaranteeing wear-resisting.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of welding female, including ontology, the ontology include pedestal and main intubation, and main intubation is tubulose, main to insert
Pipe lower end is fixed on the base, the centerline collineation of the center line of pedestal and main intubation, and pedestal and main intubation are wholely set to be formed
Through-hole, through-hole are located at the center of ontology, and pedestal is provided with leg far from the side of main intubation, and ontology and leg are wholely set
It is formed；It is provided with nickel layer on the surface of the main intubation, is provided with nickel layer and tin layers and tin layers on the surface of pedestal and leg
On nickel layer.
By using above-mentioned technical proposal, in use, being provided with leg on pedestal and being all had on leg and pedestal
Tin layers, and tin layers are in outermost, and leg is for inserting on circuit boards, and when being welded, tin foot is easy in conjunction with tin, makes
Leg welds, and then main intubation is located at the upper of pedestal, and nickel layer is provided in main intubation, and the wear resistence of nickel layer is preferable, main to insert
When Guan Yu male plug cooperates, the outer wall of main intubation has good wearability, thus guaranteeing good wear-resisting ability
It is easier to weld simultaneously.
The present invention is further arranged to: the ontology and leg are made of brass material.
By using above-mentioned technical proposal, on the one hand ontology and leg improve female using made of brass material
Conductive capability, it is on the other hand strong with nickel layer adsorption capacity, it can be more wear-resistant.
The present invention is further arranged to: the quantity of the leg is greater than or equal to 3.
By using above-mentioned technical proposal, leg is arranged quantity and is greater than or equal to 3, and female welding can be made more firm
Gu.
The present invention is further arranged to: being provided with locating flange on the inner wall of the main intubation.
By using above-mentioned technical proposal, the locating flange being arranged on the inner wall of main intubation, with male plug cooperate when
It waits, male plug is plugged into the position of locating flange, can limit to male plug.
In view of the deficienciess of the prior art, the purpose of the present invention also provides a kind of welding female electroplating technology,
It can carry out second time electroplating on female, and second time electroplating is parcel plating, save raw material.
A kind of welding female electroplating technology, the female include main intubation, pedestal and the leg being wholely set,
Main intubation and pedestal form through-hole, are provided with flange on through-hole wall, soldering bottom is located at side of the pedestal far from main intubation, including such as
Lower step: cleaning by degreasing is carried out to the female all surface；Pickling is carried out to the female all surface；To the mother
Plug all surface carries out electronickelling；Insulation blocking is carried out to the inner and outer wall of the main intubation；The insulation blocking step
Middle to use rubber sleeve and rubber stopper, the rubber sleeve is tubbiness, from end cap in main intubation in main intubation, and rubber sleeve inner wall
It being attached on the outer wall of main intubation, the rubber stopper is taper type, and the small end of rubber stopper is inserted into through-hole from the lower end of through-hole, and
Rubber stopper has elasticity, and the big end of rubber stopper squeezes on the inner walls of the via；Electrotinning is carried out to the surface of pedestal and leg；Fishing
The female out, dries, and removes rubber sleeve and rubber stopper from main intubation.
By using above-mentioned technical proposal, during being electroplated, first by degreasing pickling, make the table of female
The greasy dirt in face is cleaned, then carries out pickling, removes the oxide layer of female plug head surface, carries out electronickelling, makes all of female
It is coated with nickel layer on surface, main intubation is then subjected to insulation blocking again, the rubber sleeve and rubber stopper that insulation blocking uses are inserted main
The inner and outer wall of pipe is protected, and when carrying out electrotinning, only tin layers has been plated on pedestal and leg, to save
Raw material, and in later period use process, coating seldom falls off, and guarantees the electric conductivity of female.
The present invention is further arranged to: the electrotinning is that mist tin is plated on pedestal and leg.
By using above-mentioned technical proposal, the technique used during electrotinning is plating mist tin, is made on pedestal and leg
There is concaveconvex structure on the tin layers surface of formation, so that pedestal and leg be made to be more easier to weld.
The present invention is further arranged to: the tin thickness is 0.5-1 μm.
By using above-mentioned technical proposal, tin thickness is controlled at 0.5-1 μm, on the one hand can make to guarantee it in welding
With the good adsorptivity of soldering, on the other hand reduce the usage amount of raw material.
The present invention is further arranged to: the nickel layer thickness is 1-2 μm.
By using above-mentioned technical proposal, nickel layer thickness is 1-2 μm, on the one hand can protect main intubation surface is formed it is anti-
Layer is ground, on the other hand guarantees the adsorption capacity of nickel layer and female plug head surface, reduces falling off in later period use process.
The present invention is further arranged to: carrying out electronickelling, plating using the nickel-plating liquid of following components in the electronickelling step
Nickel liquid component includes soluble nickel salt 20-30g/L, complexing agent 15-20g/L, hypophosphite reducing agent 20-30g/L, stabilization
Agent 2-5mg/L, pH adjusting agent are adjusted to bath pH value 7.0-9.5.
Be added by using above-mentioned technical proposal, in nickel-plating liquid stabilizer and in the case where pH value is 7.0-9.5 into
Row, have an impact the process of nickel plating will not to female ontology, to improve the service life of nickel-plating liquid.
The present invention is further arranged to: being used in the electrotinning step and is carried out electrotinning, plating with the tin plating electrolyte of lower component
Tin liquor component includes alkyl sulfonic acid 130-180mL/L, alkyl sulfonic acid tin 40-70g/L, stannous sulfate 4-10g/L and anti-Bivalent Tin
Oxidation additive 5-20mL/L.
By using above-mentioned technical proposal, the additive aoxidized using stannous sulfate and anti-Bivalent Tin, so as to accelerate
The deposition velocity of tin layers, tin plating electrolyte are more stable.
In conclusion the invention has the following advantages:
1. by the single layer nickel layer being arranged in main intubation, and the tin layers for having nickel layer on pedestal and leg and being arranged on nickel layer,
It not only ensure that the wearability of female, and can be easy to weld；
2. carrying out female only on pedestal and leg when carrying out tin plating by using rubber sleeve and rubber stopper tin plating, subtracting
The small use of raw material；
3. by plate mist tin can further increase viscous tin of the leg in soldering can, to further facilitate the weldering of female
It connects.
Detailed description of the invention
Fig. 1 is the perspective view of welding female；
Fig. 2 is the cross-sectional view in the direction Figure 1A-A；
Fig. 3 is the mounting structure schematic diagram of rubber sleeve Yu main intubation；
Fig. 4 is the cross-sectional view in the direction Fig. 3 B-B.
Appended drawing reference: 1, ontology；11, pedestal；12, main intubation；2, leg；3, through-hole；4, flange；5, rubber sleeve；51, prevent
Sliding line；52, it pulls handle；6, rubber stopper；61, shrinkage pool.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.The wherein identical appended drawing reference of identical components
It indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to it is attached
Direction in Fig. 1, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from geometric center of specific component
Direction.
A kind of welding female is electrically connected with reference to Fig. 1 for realizing with male plug cooperation, including ontology 1, ontology 1
Lower end is provided with 3 legs 2, and leg 2 is for being welded on the components such as pcb board.Male plug is inserted in female plug from the upper end of ontology 1
On head.
With reference to Fig. 2, ontology 1 includes pedestal 11 and main intubation 12, and main intubation 12 is wholely set with pedestal 11, and pedestal 11 is arranged
In one end of main intubation 12, the through-hole 3 through main intubation 12 and pedestal 11, through-hole 3 and master are offered in the center of ontology 1
It is intubated that 12 axis are parallel, and the internal diameter of through-hole 3 is equal to the internal diameter of main intubation 12, the inner wall of main intubation 12 is 3 inner wall of through-hole
A part, thus the centerline collineation of the center line of pedestal 11 and main intubation 12, the setting of leg 2 is in the relatively main intubation 12 of pedestal 11
One end, leg 2 is wholely set to be formed with pedestal 11.Pedestal 11, main intubation 12 and leg 2 are that brass material is made, conductive
Ability is strong.When connecting with female, male plug contacts male plug with the inner wall of main intubation 12, realizes male plug to female
Electrical connection.In order to be controlled the depth of male plug grafting, it is provided with locating flange 4 on the inner wall of male plug, makes male plug
Head indicates that male plug is reliably connected on female when being plugged into the position of locating flange 4.
In order to increase the surface abrasion resistance of female, nickel layer, nickel layer are provided on the inner and outer wall of main intubation 12
When rubbing with male plug, it is longer to be able to use the time, longer life expectancy.The surface of pedestal 11 and leg 2 is provided with
Nickel layer and tin layers, and tin layers are located on the surface of nickel layer, to make the nickel layer of pedestal 11 together with the nickel layer in main intubation 12
Setting, tin layers are located on nickel layer the welding that can facilitate female, reduce rosin joint, and adhesive ability is arranged on nickel layer in tin layers
Compare intensity, to the welding of female than stronger.
Welding female electroplating process, including successively carry out cleaning by degreasing, washing, pickling, washing, plating
Nickel, washing and electrotinning.
Cleaning by degreasing is all surface progress surface cleaning by degreasing for including ontology 1 and pin to female, removes surface
Dirt, carry out degreasing using electrolytic degreasing bath, the concentration of electrolytic degreasing bath agent is 70-100g/L, and temperature is controlled in 50-60
Degree.
The step of washing is cleaned with pure water every time.
Pickling is all surface progress surface acid-washing for including ontology 1 and pin to female, and pickling solution is using 100-
The sulfuric acid of 200mL/L carries out pickling, and acid cleaning process is room temperature.Acid cleaning process is mainly the oxide layer for removing female plug head surface.
Electronickelling is all surface progress electronickelling for including ontology 1 and pin to the female, makes ontology 1 and pin
Be respectively formed on one layer of nickel layer, nickel layer with a thickness of being 1-2 μm, the nickel-plating liquid used during electronickelling includes soluble
Nickel salt 20-30g/L, complexing agent 15-20g/L, hypophosphite reducing agent 20-30g/L, stabilizer 2-5mg/L, pH adjusting agent tune
To bath pH value 7.0-9.5.Soluble nickel salt is selected as nickel sulfate or nickel nitrate, and complexing agent selects lactic acid or grape grain acid, secondary Asia
Phosphate is selected as sodium hypophosphite, and stabilizer is Potassiumiodate, for stablizing the component of nickel-plating liquid, pH adjusting agent be sodium hydroxide or
Potassium hydroxide.
It with reference to Fig. 3 and Fig. 4, is first washed after carrying out electronickelling to female all surface, washing should be in female plug after drying
Rubber sleeve 5 and rubber stopper 6 are installed, rubber sleeve 5 and rubber stopper 6 mainly carry out isolation guarantor to the inner and outer wall of main intubation 12 on head
Shield, rubber sleeve 5 is tubbiness, open at one end, and rubber sleeve 5 has elasticity, and rubber sleeve 5 is from 12 end caps far from pedestal 11 of main intubation
In main intubation 12, the inner wall of rubber sleeve 5 is set to be tightly attached to the outer wall of main intubation 12 by the elasticity of rubber sleeve 5, to insert to main
The outer wall of pipe 12 carries out insulation blocking；And rubber stopper 6 is set as taper type, the small end through-hole 3 of rubber stopper 6 is close to the one of pedestal 11
End is inserted into through-hole 3, and rubber stopper 6 has elasticity, and the big end of rubber stopper 6 is extruded on the inner wall of through-hole 3.Rubber stopper 6
Fill in depth and should be no more than locating flange 4.It is also provided with shrinkage pool 61 on the end face of the small end of rubber stopper 6, facilitates rubber stopper 6
Insertion.
Electrotinning is that all surface progress to pedestal 11 and leg 2 is tin plating, and the tin plating technique used is plating mist tin, female plug
Head is easier to weld in welding.Tin plating electrolyte component includes alkyl sulfonic acid 130-180mL/L, alkyl sulfonic acid tin 40-70g/L, sulphur
Sour stannous 4-10g/L, sulfuric acid 20-30mL/L and anti-Bivalent Tin oxidation additive 5-20mL/L, tin plating electrolyte temperature are 23-28 degree,
Current control is in 4.5A/dm2.Form tin layers on the nickel layer of pedestal 11 and leg 2, tin layers with a thickness of 0.5-1 μm.
With reference to Fig. 4, the female after electrotinning takes out from tin plating electrolyte, makes to dry after washing, removes master after drying
Rubber sleeve 5 and rubber stopper 6 in intubation 12 are provided with anti-skid chequer 51 in the outer ring of rubber sleeve 5, and staff is convenient from main intubation
It removes rubber sleeve 5 on 12, and the bottom of rubber sleeve 5 is additionally provided with and pulls handle 52, pulls handle 52 towards the outside of rubber sleeve 5,
Staff, which hauls, pulls handle 52, convenient to remove rubber sleeve 5 from main intubation 12.After removing rubber sleeve 5, then it is remote from main intubation 12
Disclose rubber stopper 6 in one end from pedestal 11.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of welding female, including ontology (1), it is characterised in that: the ontology (1) includes that pedestal (11) and master insert
It manages (12), main intubation (12) is tubulose, and main intubation (12) lower end is fixed on pedestal (11), the center line of pedestal (11) and master
It is intubated the centerline collineation of (12), pedestal (11) and main intubation (12) are wholely set to be formed through-hole (3), and through-hole (3) is located at ontology
(1) center, pedestal (11) are provided with leg (2) far from the side of main intubation (12), ontology (1) and leg (2) one
Setting is formed；Nickel layer is provided on the surface of the main intubation (12), is provided with nickel layer on the surface of pedestal (11) and leg (2)
With tin layers and tin layers are located on nickel layer.
2. welding female according to claim 1, it is characterised in that: the ontology (1) and leg (2) are Huang
Made of copper material.
3. welding female according to claim 2, it is characterised in that: the quantity of the leg (2) is greater than or waits
In 3.
4. welding female according to claim 3, it is characterised in that: be arranged on the inner wall of the main intubation (12)
There are locating flange (4).
5. a kind of welding female electroplating technology, it is characterised in that: the female is female plug as claimed in claim 4
Head includes the following steps:
Cleaning by degreasing is carried out to the female all surface；
Pickling is carried out to the female all surface；
Electronickelling is carried out to the female all surface；
Insulation blocking is carried out to the inner and outer wall of the main intubation (12)；Rubber sleeve (5) are used in the insulation blocking step
With rubber stopper (6), the rubber sleeve (5) is tubbiness, from end cap on main intubation (12) on main intubation (12), and rubber sleeve
(5) inner wall is attached on the outer wall of main intubation (12), and the rubber stopper (6) is taper type, and the small end of rubber stopper (6) is from through-hole (3)
Lower end insertion through-hole (3) in, and rubber stopper (6) has elasticity, and the big end of rubber stopper (6) is extruded in the inner wall of through-hole (3)
On；
Electrotinning is carried out to the surface of pedestal (11) and leg (2)；
It pulls the female out, dries, remove rubber sleeve (5) and rubber stopper (6) from main intubation (12).
6. welding female electroplating technology according to claim 5, it is characterised in that: the electrotinning is in pedestal
(11) and on leg (2) mist tin is plated.
7. welding female electroplating technology according to claim 5 or 6, it is characterised in that: the tin thickness is
0.5-1μm。
8. welding female electroplating technology according to claim 7, it is characterised in that: the nickel layer thickness is 1-2 μ
m。
9. welding female electroplating technology according to claim 5, it is characterised in that: make in the electronickelling step
Electronickelling is carried out with the nickel-plating liquid of following components, nickel-plating liquid component includes soluble nickel salt 20-30g/L, complexing agent 15-20g/
L, hypophosphite reducing agent 20-30g/L, stabilizer 2-5mg/L, pH adjusting agent are adjusted to bath pH value 7.0-9.5.
10. welding female electroplating technology according to claim 5, it is characterised in that: in the electrotinning step
It uses and electrotinning is carried out with the tin plating electrolyte of lower component, tin plating electrolyte component includes alkyl sulfonic acid 130-180mL/L, alkyl sulfonic acid tin
40-70g/L, stannous sulfate 4-10g/L and anti-Bivalent Tin oxidation additive 5-20mL/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829010.4A CN109066148A (en) | 2018-07-25 | 2018-07-25 | Welding female and its electroplating technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829010.4A CN109066148A (en) | 2018-07-25 | 2018-07-25 | Welding female and its electroplating technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109066148A true CN109066148A (en) | 2018-12-21 |
Family
ID=64836300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810829010.4A Pending CN109066148A (en) | 2018-07-25 | 2018-07-25 | Welding female and its electroplating technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109066148A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896307A (en) * | 2005-07-11 | 2007-01-17 | 佛山市顺德区汉达精密电子科技有限公司 | Copper-alloy chemical nickeling process |
| CN103094743A (en) * | 2011-10-11 | 2013-05-08 | 泰科电子公司 | Electrical Contact Configured To Impede Capillary Flow During Plating |
| CN103695977A (en) * | 2014-01-08 | 2014-04-02 | 苏州道蒙恩电子科技有限公司 | Electroplating method capable of enabling tin coating to be level and preventing tin whisker from growing |
| CN105803496A (en) * | 2016-03-15 | 2016-07-27 | 南通市申海工业技术科技有限公司 | Local zinc and nickel plating tool for automobile wheel hub |
-
2018
- 2018-07-25 CN CN201810829010.4A patent/CN109066148A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896307A (en) * | 2005-07-11 | 2007-01-17 | 佛山市顺德区汉达精密电子科技有限公司 | Copper-alloy chemical nickeling process |
| CN103094743A (en) * | 2011-10-11 | 2013-05-08 | 泰科电子公司 | Electrical Contact Configured To Impede Capillary Flow During Plating |
| CN103695977A (en) * | 2014-01-08 | 2014-04-02 | 苏州道蒙恩电子科技有限公司 | Electroplating method capable of enabling tin coating to be level and preventing tin whisker from growing |
| CN105803496A (en) * | 2016-03-15 | 2016-07-27 | 南通市申海工业技术科技有限公司 | Local zinc and nickel plating tool for automobile wheel hub |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2513365A (en) | Soldered aluminum-to-copper connection | |
| CN102071446B (en) | Continuous electroplating process for weldable aluminum coiled material | |
| CN102828207A (en) | Nickel electroplating solution and electroplating method thereof | |
| CN104060308A (en) | Pure tin electroplating liquid for reducing copper exposure and application thereof | |
| CN105379018A (en) | Terminal-equipped wire and method of producing terminal-equipped wire | |
| CN110306213A (en) | Tin plating solution for solar cell and preparation method thereof | |
| CN207483890U (en) | A kind of wiring board vertical continuous electroplating assembly line | |
| CN107254695A (en) | Pcb board copper plating process | |
| CN102011154A (en) | Gold plating solution for plating gold finger on circuit board | |
| CN109066148A (en) | Welding female and its electroplating technology | |
| TW561808B (en) | Method of copper plating small hole | |
| CN106283165A (en) | Pcb board electroplating clamp | |
| CN103643269A (en) | Process of ultrasonic wave electroplating of copper foil | |
| CN210245928U (en) | Production system of conductive magnetic part | |
| JP5146774B2 (en) | Two-layer plated substrate and method for manufacturing the same | |
| CN101899691B (en) | Method for electroplating stannum-cerium-bismuth alloy on microwave high-frequency circuit board | |
| CN103668198A (en) | Three-element zinc-nickel iron soaking technique of aluminum alloy plate | |
| CN207435569U (en) | For the magetic indicator joint device connected between roller | |
| CN102760996B (en) | Electric connector terminal | |
| CN106549236B (en) | A kind of corrosion-resistant and low-impedance spring probe | |
| CN109652806A (en) | It is a kind of using red copper or brass as the decoating liquid and withdrawal plating of the bright tin auto parts and components of substrate | |
| CN206352167U (en) | A kind of conductive arc plate of electrolysis installation | |
| CN214271095U (en) | Cathode conductive roller of electroplating equipment and electroplating structure | |
| CN219861587U (en) | High corrosion resistance combined plating layer for aluminum alloy matrix | |
| CN215200054U (en) | A can weld two-sided trip of pcb board for type-c interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |