CN108390176A - The production method of connecting terminal, attachment device, electronic equipment and connecting terminal - Google Patents
The production method of connecting terminal, attachment device, electronic equipment and connecting terminal Download PDFInfo
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- CN108390176A CN108390176A CN201810166203.6A CN201810166203A CN108390176A CN 108390176 A CN108390176 A CN 108390176A CN 201810166203 A CN201810166203 A CN 201810166203A CN 108390176 A CN108390176 A CN 108390176A
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- coating
- metal
- coat
- compound
- connecting terminal
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- 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
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- 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
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The embodiment of the invention discloses the production methods of connecting terminal, attachment device, electronic equipment and connecting terminal, it is related to field of communication technology, to solve the problems, such as that due to touching liquid electrochemical corrosion occurs for connecting terminal to influence the service life of the connecting terminal when in use.The connecting terminal includes：At least one contact contact, each contact that contacts include base material and are arranged N number of coating in the substrate surface, and the material of at least one coating is compound in N number of coating, and the material in N number of coating per two adjacent coating is different；Wherein, which is the mixture of at least two metals or the compound is at least one metal and at least one nonmetallic mixture, and N is the integer more than or equal to 2.The connecting terminal can be applied in attachment device or electronic equipment.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to connecting terminal, attachment device, electronic equipment and wiring
The production method of terminal.
Background technology
With the development of the communication technology, many electronic equipments be designed with connecting terminal with realize these electronic equipments with it is other
Connection between electronic equipment and communication.For example, the connecting terminal can be universal serial bus (universal serial
Bus, USB) connecting terminal, Video Graphics Array (video graphics array, VGA) connecting terminal or fine definition are more
Media interface (high definition multimedia interface, HDMI) connecting terminal etc..
Currently, usually may be used in connecting terminal by chemical attack when connecting terminal exposes in air in order to prevent
Base material on the mode of electronickelling and electroplating gold to the connecting terminal carry out anti-corrosion protection.
But as user is higher and higher using the frequency of connecting terminal and scene is also more and more, the work of connecting terminal
Make electric current and operating voltage is continuously increased, so the connecting terminal may be caused to occur when in use due to touching liquid
The probability of electrochemical corrosion is bigger, to influence the service life of the connecting terminal.
Invention content
The production method of offer of embodiment of the present invention connecting terminal, attachment device, electronic equipment and connecting terminal, to solve
Connecting terminal occurs electrochemical corrosion and is asked to influence the service life of the connecting terminal due to touching liquid when in use
Topic.
In order to solve the above-mentioned technical problem, the invention is realized in this way：
In a first aspect, an embodiment of the present invention provides a kind of connecting terminal, which includes that at least one contact is touched
Head, each contact that contacts include：Base material and N number of coating in the substrate surface is set, at least one coating in N number of coating
Material be compound, and the material in N number of coating per two adjacent coating is different；Wherein, which is at least two
The mixture or the compound of kind metal are at least one metal and at least one nonmetallic mixture, and N is to be more than or wait
In 2 integer.
Second aspect, an embodiment of the present invention provides a kind of attachment device, which includes that above-mentioned first aspect carries
The connecting terminal of confession.
The third aspect, an embodiment of the present invention provides a kind of electronic equipment, which includes that above-mentioned first aspect carries
The connecting terminal of confession.
Fourth aspect, an embodiment of the present invention provides a kind of production method of connecting terminal, which includes at least
One contact contact, the production method this method include：Make at least one base material；And on the surface of each base material respectively
N number of coating is set, and to form at least one contact contact, the material of at least one coating is compound in N number of coating, and should
Material in N number of coating per two adjacent coating is different；Wherein, which is the mixture of at least two metals, or
The compound is at least one metal and at least one nonmetallic mixture, and N is the integer more than or equal to 2.
In embodiments of the present invention, N number of plating is respectively set in the substrate surface that contact can be contacted in each of connecting terminal
Layer, wherein in N number of coating the material of at least one coating be compound (compound at least two metals mixture,
Or be at least one metal and at least one nonmetallic mixture), and the material in N number of coating per two adjacent coating
Material is different.With this solution, since each of the connecting terminal in the embodiment of the present invention contacts in the N number of coating being arranged on contact
The material of at least one coating is the compound of at least two metals, or is at least one metal and at least one nonmetallic
Compound, and the corrosion resistance of usually composite materials is stronger, therefore, including N number of coating of composite materials can have
Effect ground inhibits the corrosion of electrochemical action pair of wire connection terminals, to improve the service life of connecting terminal.
Description of the drawings
Fig. 1 is a kind of vertical view of connecting terminal provided in an embodiment of the present invention；
Fig. 2 is a kind of one of sectional view of connecting terminal provided in an embodiment of the present invention；
Fig. 3 is the two of a kind of sectional view of connecting terminal provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of the production method of connecting terminal provided in an embodiment of the present invention；
Fig. 5 is a kind of fabrication processing figure of connecting terminal provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Symbol "/" herein indicates that affiliated partner is relationship such as A/B expressions A or B either.
Term " first ", " second " and " third " in description and claims of this specification etc. is for distinguishing not
Same object, rather than for the particular order of description object.For example, first coat of metal, second coat of metal and third gold
It is rather than the particular order for describing the coat of metal for distinguishing the different coats of metal to belong to coating etc..
In the description of the embodiment of the present invention, unless otherwise indicated, the meaning of " plurality " is refer to two or more,
For example, multiple terminal devices refer to two or more terminal device etc..
In embodiments of the present invention, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This
Be described as in inventive embodiments " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing
Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport
Related notion is being presented in specific ways.
Some term/nouns involved in the embodiment of the present invention are explained below.
Connecting terminal：For a kind of aftermarket product for realizing electrical connection.In embodiments of the present invention, connecting terminal can
To refer to plug, the contact pin (such as data pin on data line) etc. in attachment device for realizing electrical connection, can also refer to
For realizing the plug of electrical connection, contact pin (such as data pin on electronic equipment) etc. on electronic equipment, or with it is above-mentioned
Socket, slot, jack (such as data jack on electronic equipment) that plug, contact pin are used cooperatively etc., the embodiment of the present invention is not
Make specific limit.
Degreasing：It refer to the technical process from removal of oil and grease on machine part or iron product surface.In the embodiment of the present invention
In, degreasing can be to remove grease from substrate surface.
Washing activation：It refer to the technique mistake that material is placed on to the chemical reagent that material surface is washed off in the container for fill water
Journey.It is activated, can be chemically reacted with other chemical reagent to avoid in next step by washing.
Pickling：It refer to the technical process using oxide skin and rust on acid solution removal body surface.Pickling is clear
A kind of method of clean metal surface impurity.
Drying：It refer to the technical process that removal solvent retains solid content by some way.Usually can be to be passed through hot sky
Gas is by moisture evaporation in material and the process taken away.
Sealing of hole：Refer to coating sealing pores liquid in coating surface, to close the technical process of coating surface hole.Pass through envelope
Hole is handled, and can make the extraneous corrosive environment of coating isolation, to improve the corrosion resistance of device.
Rewinding：Refer to the process of by a series of material check and accepting storing Jing Guo processing.
The embodiment of the present invention provides a kind of connecting terminal, which includes at least one contact contact, each to contact
Contact includes base material and is arranged N number of coating in the substrate surface, and the material of at least one coating is compound in N number of coating
(compound is the mixture of at least two metals to object, or is at least one metal and at least one nonmetallic mixing
Object), and the material in N number of coating per two adjacent coating is different.With this solution, due to connecing in the embodiment of the present invention
The material of at least one coating is the compound of at least two metals in the N number of coating being arranged on each of line terminals contact contact
Object, or be at least one metal and at least one nonmetallic compound, and usually the corrosion resistance of composite materials compared with
By force, therefore, including N number of coating of composite materials can effectively inhibit the corrosion of electrochemical action pair of wire connection terminals, from
And improve the service life of connecting terminal.
The embodiment of the present invention provides a kind of connecting terminal, which may include at least one contact contact, each
Contacting contact includes：Base material, and N number of coating in the substrate surface is set.
It is appreciated that in the embodiment of the present invention, at least one contact contact that connecting terminal includes, contact is each contacted
Structure all same, i.e., each contact contact may each comprise base material and N number of coating in substrate surface be set.In order to more
The connecting terminal provided in an embodiment of the present invention being expressly understood, some embodiments of the present invention are the entirety knots with connecting terminal
Illustratively illustrated for structure；Other embodiments of the present invention are right by taking a contact contact of connecting terminal as an example
What the structure of connecting terminal provided in an embodiment of the present invention illustrated.
Illustratively, the number of above-mentioned at least one contact contact can be 5,6 or 8 etc..It specifically can root
Factually border use demand is arranged, and the embodiment of the present invention is not especially limited.
Optionally, in the embodiment of the present invention, connecting terminal can also include insulation shell, above-mentioned at least one contact contact
It can be arranged in the insulation shell.Illustratively, as shown in Figure 1, insulation shell can be 10, at least one contact contact can
Think 11.
It is appreciated that as shown in Figure 1, when above-mentioned at least one contact contact is arranged in insulation shell, this is at least one
Contact a part of of contact can be exposed to outside insulation shell, wherein being exposed to the contact contact of this part outside insulation shell can
For being connect with other connecting terminals or equipment.
Optionally, in the embodiment of the present invention, above-mentioned insulation shell can be rubber or ceramics etc..It specifically can be according to reality
Border use demand setting, the embodiment of the present invention are not especially limited.
In the embodiment of the present invention, the material of at least one coating is compound in N number of coating, and every in N number of coating
The material of two adjacent coating is different.Wherein, which can be the mixture or the compound of at least two metals
May be at least one metal and at least one nonmetallic mixture, N is the integer more than or equal to 2.
Optionally, in the embodiment of the present invention, N can be the integer more than or equal to 2, and less than or equal to 8.For example, N can
Think 2,3,4,5,6,7 or 8.
Optionally, in the embodiment of the present invention, above-mentioned connecting terminal can be USB connecting terminals, VGA connecting terminals or
HDMI connecting terminals etc. can arbitrarily realize the connecting terminal of data interaction, can specifically be determined according to actual use demand, this
Inventive embodiments are not construed as limiting.
Optionally, in the embodiment of the present invention, above-mentioned connecting terminal can be plug-in type connection terminal, fence type terminals
Son, spring connecting terminal, rail mounted connecting terminal, safety type connecting terminal, general-purpose type connecting terminal or experiment formula wiring
The connecting terminal of the arbitrary possible form such as terminal, the embodiment of the present invention are not especially limited.
Connecting terminal provided in an embodiment of the present invention, since each of the connecting terminal in the embodiment of the present invention contacts contact
The material of at least one coating is the compound of at least two metals in N number of coating of upper setting, or is at least one metal
Therefore, including composite materials at least one nonmetallic compound, and the corrosion resistance of usually composite materials is stronger,
N number of coating can effectively inhibit the corrosion of electrochemical action pair of wire connection terminals, to improve the service life of connecting terminal.
Optionally, in the embodiment of the present invention, N=2.I.e. in the embodiment of the present invention, the surface of base material is provided with 2 coating.
So, it is ensured that the number for the coating being arranged on connecting terminal is fewer.
Illustratively, in a kind of possible realization method, it is assumed that 2 coating are respectively that first coat of metal and second are compound
Object coating, first coat of metal is the coating being disposed adjacent with substrate surface, and first coat of metal is nickel coating, and second is compound
Object coating is ruthenium rhodium complex coating, then since the corrosion resistance and hardness of ruthenium rhodium complex coating are than under normal conditions
The corrosion resistance and hardness of the gold plate and nickel coating that are arranged on connecting terminal are high, therefore, by by ruthenium rhodium complex coating
It is arranged and contacts the outermost layer of contact in each of connecting terminal and can not only improve connecting terminal corrosion resistance, but also can be with
The wear-resisting property for improving connecting terminal, to further increase the service life of connecting terminal.
In alternatively possible realization method, it is assumed that 2 coating are respectively the first compound coating and the plating of the second compound
Layer, the first compound coating is the coating being disposed adjacent with substrate surface, and the first compound coating is nickel tungsten compound coating
Or nickel phosphorus compound coating, the second compound coating is ruthenium rhodium complex coating, then due to nickel tungsten compound coating or nickel phosphorus
The diffusion resistance for the nickel coating being arranged on the non-proliferation performance ratio normal conditions lower connecting terminal of compound coating can be good, and ruthenium rhodium
The corrosion resistance and hardness of compound coating are more resistance to than the gold plate that is arranged on normal conditions lower connecting terminal and nickel coating
Corrosive nature and hardness are high, therefore by being arranged nickel tungsten compound coating or nickel phosphorus compound coating in each of connecting terminal
Contact innermost layer is contacted, and ruthenium rhodium complex coating is arranged in connecting terminal each of contact contact outermost layer, it not only can be with
The non-proliferation effect of connecting terminal is improved, but also the corrosion resistance and wear-resisting property of connecting terminal can be improved, thus into
One step improves the service life of connecting terminal.
Optionally, in the embodiment of the present invention, N=5.In this way, when the number for the coating being arranged on connecting terminal is equal to 5,
It not only can preferably inhibit the corrosion of electrochemical action pair of wire connection terminals, but also the wearability of connecting terminal can be improved.
Optionally, it in the embodiment of the present invention, is each plated in the material identical of part coating or 5 coating in 5 coating
The material of layer is all different.
In the embodiment of the present invention, Fig. 1 is the vertical view of connecting terminal, and Fig. 2 is A-A of connecting terminal to sectional view, Fig. 3
For the partial enlarged view of Fig. 2.With reference to Fig. 1 to Fig. 3, example is carried out to the structure of connecting terminal provided in an embodiment of the present invention
The explanation of property.
Optionally, as shown in Figure 1 to Figure 3, in the embodiment of the present invention, each of connecting terminal contacts the base material 00 of contact 11
5 coating being arranged on surface include first coat of metal 01, the first compound coating 02, the second metal being disposed adjacent successively
Coating 03, the third coat of metal 04 and the second compound coating 05；Wherein, which is and 00 surface of base material
The coating being disposed adjacent, i.e. first coat of metal 01 are the coating being in direct contact with 00 surface of base material.
Optionally, in the embodiment of the present invention, the material of the base material can be copper alloy.Certainly, the material of the base material also may be used
Think that other materials arbitrarily met the actual needs, the embodiment of the present invention are not construed as limiting.
Optionally, in the embodiment of the present invention, in connecting terminal as shown in Figure 3, the material of first coat of metal 01 can be with
Material for copper, the first compound coating 02 can be nickel tungsten compound or nickel phosphorus compound, the material of second coat of metal 03
Can be palladium, the material of the third coat of metal 04 can be gold, and the material of the second compound coating 05 can be ruthenium rhodium complex.
Wherein, the material of above-mentioned first coat of metal 01 can adjust base material 00 using copper after being washed to base material 00
The flatness on surface.The material of first compound coating 02 can be in the first metal-plated using nickel tungsten compound or nickel phosphorus compound
Barrier layer is formed between layer 01 and second coat of metal 03, to prevent being interpenetrated between two coats of metal, and then is influenced
The service life of the connecting terminal.The material of second coat of metal 03 can improve the corrosion resistance of the connecting terminal using palladium
And wear-resisting property.The material of the third coat of metal 04 can improve the corrosion resistance of the connecting terminal using gold.Second is compound
The material of object coating 05 can improve the corrosion resistance and wear-resisting property of the connecting terminal using ruthenium rhodium complex.
It further, will be compared with palladium and ruthenium rhodium complex, firmly since the hardness of palladium and ruthenium rhodium complex is all higher
Lower gold is spent to be arranged using palladium as second coat of metal of material and using ruthenium rhodium complex as the second compound coating of material
Between, the associativity of each coating of each of connecting terminal contact contact can be improved.
Optionally, in the embodiment of the present invention, in connecting terminal as shown in Figure 3, the thickness of first coat of metal 01 can be with
It is 2~4 microns, the thickness of the first compound coating 02 can be 1~2 micron, the thickness of second coat of metal 03 can be 1~
1.5 microns, the thickness of the third coat of metal 04 can be 0.05~0.1 micron, and the thickness of the second compound coating 05 can be
0.5~1 micron.
It should be noted that in the embodiment of the present invention, when the thickness to above-mentioned each coating is configured, should consider
Production cost it is also taken into consideration whether the requirement of the corrosion resistance and wear-resisting property that meet each of connecting terminal contact contact.
In the embodiment of the present invention, by setting above-mentioned each coating to the above-mentioned thickness enumerated, it is ensured that so exist
Meet under the requirement of corrosion resistance and wear-resisting property of connecting terminal, reduces production cost to the maximum extent.
The embodiment of the present invention provides a kind of attachment device, which may include the terminals that above-described embodiment provides
Son.For example, may refer in above-described embodiment to the associated description of connecting terminal as shown in Figure 1 to Figure 3.For the terminals
The description of son may refer to the associated description in above-described embodiment, and details are not described herein again.
In the embodiment of the present invention, which can be used for connecting one or more electronic equipments, so that the connection
It is communicated between device and electronic equipment or between two electronic equipments.
Optionally, in the embodiment of the present invention, electronic equipment can be mobile terminal, such as mobile phone, tablet computer, notebook
Computer, palm PC, car-mounted terminal, wearable device, Ultra-Mobile PC (ultra-mobile personal
Computer, UMPC), net book or personal digital assistant (personal digital assistant, PDA) etc..Electronics
Equipment may be immobile terminal equipment, such as personal computer (personal computer, PC), television set
(television, TV), automatic teller machine or self-service machine etc. can specifically determine, the embodiment of the present invention according to actual use demand
It is not construed as limiting.
Optionally, in the embodiment of the present invention, above-mentioned attachment device can be data line or USB flash drive.Above-mentioned data
Line can be that cable, brush machine line, line synchro, charging wire or above-mentioned a variety of lines combine the multifunctional thread to be formed, specifically can root
Factually border use demand determines, the embodiment of the present invention is not construed as limiting.
Attachment device provided in an embodiment of the present invention, due to each of the connecting terminal of attachment device in the embodiment of the present invention
The material of at least one coating is the compound of at least two metals in the N number of coating being arranged on contact contact, or is at least
A kind of metal and at least one nonmetallic compound, and the corrosion resistance of usually composite materials is stronger, therefore, including it is multiple
The corrosion of electrochemical action pair of wire connection terminals can be effectively inhibited by closing N number of coating of object material, to improve connection dress
Set the service life of middle connecting terminal.
An embodiment of the present invention provides a kind of electronic equipment, which may include the wiring that above-described embodiment provides
Terminal.For example, may refer in above-described embodiment to the associated description of connecting terminal as shown in Figure 1 to Figure 3.For the wiring
The description of terminal may refer to the associated description in above-described embodiment, and details are not described herein again.
The description of electronic equipment specifically may refer to retouch the correlation in the description of attachment device in above-described embodiment
It states, details are not described herein again.
Electronic equipment provided in an embodiment of the present invention, due to each of the connecting terminal of electronic equipment in the embodiment of the present invention
The material for contacting at least one coating in the N number of coating being respectively set on the substrate surface of contact is the compound of at least two metals
Object, or be at least one metal and at least one nonmetallic compound, and usually the corrosion resistance of composite materials compared with
By force, therefore, including N number of coating of composite materials can effectively inhibit the corrosion of electrochemical action pair of wire connection terminals, from
And improve the service life of electronic equipment middle connecting terminal.
As shown in figure 4, an embodiment of the present invention provides a kind of production method of connecting terminal, which includes at least
One contact contact.The production method of the connecting terminal may include following step 40- steps 41.
Step 40 makes at least one base material.
N number of coating is respectively set in step 41 on the surface of each base material, and to form at least one contact contact, this is N number of
The material of at least one coating is compound in coating, and the material in N number of coating per two adjacent coating is different.
Wherein, which is the mixture of at least two metals or the compound is at least one metal and at least
A kind of nonmetallic mixture, N are the integer more than or equal to 2.
The production method of connecting terminal provided in an embodiment of the present invention, by making at least one base material of connecting terminal,
And N number of coating is respectively set on the surface of each base material, to form at least one contact contact of connecting terminal, N number of plating
The material of at least one coating is compound in layer, and the material in N number of coating per two adjacent coating is different.By this
Scheme, since each of the connecting terminal in the embodiment of the present invention contacts at least one coating in the N number of coating being arranged on contact
Material be at least two metals compound, or be at least one metal and at least one nonmetallic compound, and lead to
The corrosion resistance of normal composite materials is stronger, and therefore, including N number of coating of composite materials can effectively inhibit electrification
Act on the corrosion of pair of wire connection terminals, to improve the service life of connecting terminal.
Optionally, in the production method of connecting terminal provided in an embodiment of the present invention, at least one contact that completes
After contact, which can also be arranged in insulation shell, it is provided in an embodiment of the present invention to be formed
Connecting terminal.It is appreciated that when at least one contact contact is arranged in insulation shell, the one of at least one contact contact
Part can be exposed to outside insulation shell, wherein this part for being exposed to outside insulation shell contact contact can be used for it is other
Connecting terminal or equipment connection.Specifically, in may refer to the structure and above-described embodiment of connecting terminal as shown in Figure 1
Associated description, details are not described herein again.
Optionally, in the embodiment of the present invention, N=5, and 5 coating include first coat of metal being disposed adjacent successively,
One compound coating, second coat of metal, the third coat of metal and the second compound coating.
Illustratively, in conjunction with Fig. 4, step 41 can specifically be realized by following step 410- steps 414.
First coat of metal is respectively set in step 410 on the surface of each base material.
The first compound coating is respectively set in step 411 on each first coat of metal.
Second coat of metal is respectively set on each first compound coating in step 412.
The third coat of metal is respectively set on each second coat of metal in step 413.
The second compound coating is respectively set in step 414 on each third coat of metal.
In the embodiment of the present invention, by the way that 5 coating are arranged on the surface of the substrate, it not only can preferably inhibit electrochemistry
The corrosion of pair of wire connection terminals is acted on, but also the wearability of connecting terminal can be improved.
Optionally, in the embodiment of the present invention, the material of above-mentioned first coat of metal can be copper, the first compound coating
Material can be nickel tungsten compound or nickel phosphorus compound, and the material of second coat of metal can be palladium, the material of the third coat of metal
Material can be gold, and the material of the second compound coating can be ruthenium rhodium complex.
In the embodiment of the present invention, the material of above-mentioned first coat of metal can be adjusted using copper after being washed to base material
The flatness of substrate surface.The material of first compound coating can be in the first metal using nickel tungsten compound or nickel phosphorus compound
Barrier layer is formed between coating and second coat of metal, to prevent being interpenetrated between two coats of metal, and then influencing should
The service life of connecting terminal.The material of second coat of metal can improve the corrosion resistance of the connecting terminal and resistance to using palladium
Grind performance.The material of the third coat of metal can improve the corrosion resistance of the connecting terminal using gold.Second compound coating
Material the corrosion resistance and wear-resisting property of the connecting terminal can be improved using ruthenium rhodium complex.
It further, will be compared with palladium and ruthenium rhodium complex, firmly since the hardness of palladium and ruthenium rhodium complex is all higher
Lower gold is spent to be arranged using palladium as second coat of metal of material and using ruthenium rhodium complex as the second compound coating of material
Between, the associativity of each coating of connecting terminal can be improved.
Optionally, in the embodiment of the present invention, the thickness of above-mentioned first coat of metal can be 2~4 microns, the first compound
The thickness of coating can be 1~2 micron, and the thickness of second coat of metal can be 1~1.5 micron, the thickness of the third coat of metal
Degree can be 0.05~0.1 micron, and the thickness of the second compound coating can be 0.5~1 micron.
It should be noted that in the embodiment of the present invention, when the thickness to above-mentioned each coating is configured, should consider
Production cost it is also taken into consideration whether the requirement of the corrosion resistance and wear-resisting property that meet connecting terminal.
In the embodiment of the present invention, by setting above-mentioned each coating to the above-mentioned thickness enumerated, it is ensured that so exist
Meet under the requirement of corrosion resistance and wear-resisting property of connecting terminal, reduces production cost to the maximum extent.
Other descriptions of the structure of connecting terminal and connecting terminal specifically may refer to dock in above-described embodiment
Associated description in the description of line terminals, details are not described herein again.
Below again from the angle of technological process to the process of N number of coating is arranged in the embodiment of the present invention on the surface of the substrate
Illustratively described.
Assuming that N=5, and 5 coating include first coat of metal being disposed adjacent successively, the first compound coating, second
The coat of metal, the third coat of metal and the second compound coating；Wherein, which is set adjacent with the substrate surface
The coating set.Using the material of first coat of metal as copper, the material of the first compound coating is that nickel tungsten compound or nickel phosphorus are compound
The material of object, second coat of metal is palladium, and the material of the third coat of metal is gold, and the material of the second compound coating is multiple for ruthenium rhodium
For closing object, the process that N number of coating is arranged in the embodiment of the present invention on the surface of the substrate can be technique stream as shown in Figure 5
Journey.
As shown in figure 5, by taking a contact contact in connecting terminal provided in an embodiment of the present invention as an example, the present invention is implemented
The process that example contacts 5 coating of setting on the surface of the base material of contact at one may include step 500- steps 518.
Step 500, input base material (for example, base material of input Cu alloy material).
Step 501 carries out degreasing to the base material that step 500 is put into, to remove the grease on the substrate surface.
Step 502 washes the base material after step 501 degreasing, to remove the chemical reagent of the substrate surface.
The base material of step 503, acid-wash activation after step 502 washing, to remove the oxide skin and rust of the substrate surface
Lose object.
Step 504 washes the base material after step 503 acid-wash activation, remaining to remove the substrate surface
Acid solution.
First coat of metal is arranged (for example, such as Fig. 5 in step 505 on the surface of the base material after step 504 washing
Shown in copper facing).
Step 506 washes first coat of metal being arranged by step 505.
The first compound coating is arranged on the surface of first coat of metal after step 506 washing in step 507
(for example, nickel plating tungsten compound or nickel phosphorus compound as shown in Figure 5).
Step 508 washes the first compound coating being arranged by step 507.
Second coat of metal is arranged on the surface of the first compound coating after step 508 washing in step 509
(for example, plating palladium as shown in Figure 5).
Step 510 washes second coat of metal being arranged by step 509.
The third coat of metal (example is arranged on the surface of second coat of metal after step 510 washing in step 511
Such as, as shown in Figure 5 gold-plated).
Step 512 washes the third coat of metal being arranged by step 511.
The second compound coating is arranged on the surface of the third coat of metal after step 512 washing in step 513
(for example, plating ruthenium rhodium complex as shown in Figure 5).
Step 514 washes the second compound coating being arranged by step 513.
Step 515, after step 514, to each coating for being arranged on base material and base material, (hereinafter referred to as contact is touched
Head) carry out sealing pores.
Step 516 washes the contact contact after step 515 sealing pores.
Step 517 is dried up and is dried to the contact contact after step 516 washing, is contained with removing solvent reservation solid
Amount.
Step 518, rewinding.Connecting terminal check and accepting storing after step 517 is dried up and dried.
In the embodiment of the present invention, by technological process as shown in Figure 5,5 coating are set on the surface of the substrate, not only
The corrosion of electrochemical action pair of wire connection terminals can preferably be inhibited, but also the wearability of connecting terminal can be improved.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within the protection of the present invention.
Claims (13)
1. a kind of connecting terminal, which is characterized in that including at least one contact contact, each contact that contacts includes base material and sets
Set N number of coating in the substrate surface, the material of at least one coating is compound in N number of coating, and N number of plating
Material in layer per two adjacent coating is different；
Wherein, the compound is the mixture of at least two metals or the compound is at least one metal and at least
A kind of nonmetallic mixture, N are the integer more than or equal to 2.
2. connecting terminal according to claim 1, which is characterized in that N=5.
3. connecting terminal according to claim 2, which is characterized in that the material identical of part coating in 5 coating, or
The material of each coating is all different in 5 coating.
4. connecting terminal according to claim 3, which is characterized in that 5 coating include the first gold medal being disposed adjacent successively
Belong to coating, the first compound coating, second coat of metal, the third coat of metal and the second compound coating；
Wherein, first coat of metal is the coating being disposed adjacent with the substrate surface.
5. connecting terminal according to claim 4, which is characterized in that the material of first coat of metal is copper, described
The material of first compound coating is nickel tungsten compound or nickel phosphorus compound, and the material of second coat of metal is palladium, described
The material of the third coat of metal is gold, and the material of the second compound coating is ruthenium rhodium complex.
6. connecting terminal according to claim 4 or 5, which is characterized in that the thickness of first coat of metal is 2~4
The thickness of micron, the first compound coating is 1~2 micron, and the thickness of second coat of metal is 1~1.5 micron, institute
The thickness for stating the third coat of metal is 0.05~0.1 micron, and the thickness of the second compound coating is 0.5~1 micron.
7. a kind of attachment device, which is characterized in that including connecting terminal such as according to any one of claims 1 to 6.
8. attachment device according to claim 7, which is characterized in that the attachment device is data line or general serial
Bus flash disk.
9. a kind of electronic equipment, which is characterized in that including connecting terminal such as according to any one of claims 1 to 6.
10. a kind of production method of connecting terminal, which is characterized in that the connecting terminal includes at least one contact contact, institute
Stating production method includes：
Make at least one base material；
N number of coating is respectively set on the surface of each base material, to form at least one contact contact, in N number of coating extremely
The material of few coating is compound, and the material in N number of coating per two adjacent coating is different；
Wherein, the compound is the mixture of at least two metals or the compound is at least one metal and at least
A kind of nonmetallic mixture, N are the integer more than or equal to 2.
11. manufacturing method according to claim 10, which is characterized in that N=5, and 5 coating include being disposed adjacent successively
First coat of metal, the first compound coating, second coat of metal, the third coat of metal and the second compound coating；
It is described to be respectively set N number of coating on the surface of each base material, including：
First coat of metal is respectively set on the surface of each base material；
The first compound coating is respectively set on each first coat of metal；
Second coat of metal is respectively set on each first compound coating；
The third coat of metal is respectively set on each second coat of metal；It is respectively set on each third coat of metal
The second compound coating.
12. production method according to claim 11, which is characterized in that the material of first coat of metal is copper, institute
The material for stating the first compound coating is nickel tungsten compound or nickel phosphorus compound, and the material of second coat of metal is palladium, institute
The material for stating the third coat of metal is gold, and the material of the second compound coating is ruthenium rhodium complex.
13. production method according to claim 11 or 12, which is characterized in that the thickness of first coat of metal is 2
~4 microns, the thickness of the first compound coating is 1~2 micron, and the thickness of second coat of metal is 1~1.5 micro-
The thickness of rice, the third coat of metal is 0.05~0.1 micron, and the thickness of the second compound coating is 0.5~1 micro-
Rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166203.6A CN108390176A (en) | 2018-02-28 | 2018-02-28 | The production method of connecting terminal, attachment device, electronic equipment and connecting terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166203.6A CN108390176A (en) | 2018-02-28 | 2018-02-28 | The production method of connecting terminal, attachment device, electronic equipment and connecting terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108390176A true CN108390176A (en) | 2018-08-10 |
Family
ID=63069542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810166203.6A Pending CN108390176A (en) | 2018-02-28 | 2018-02-28 | The production method of connecting terminal, attachment device, electronic equipment and connecting terminal |
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| CN (1) | CN108390176A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI728784B (en) * | 2020-03-24 | 2021-05-21 | 大陸商東莞立德精密工業有限公司 | Metallic terminal and the manufacturing method thereof |
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| CN106048680A (en) * | 2016-07-22 | 2016-10-26 | 东莞普瑞得五金塑胶制品有限公司 | Special galvanical corrosion-resistant coating for fast charging interface of mobile phone |
| CN107146964A (en) * | 2017-07-01 | 2017-09-08 | 东莞普瑞得五金塑胶制品有限公司 | A kind of galvanization coating and terminal, electrical interface, electronic equipment for terminal |
| CN107546515A (en) * | 2017-07-05 | 2018-01-05 | 启东乾朔电子有限公司 | The manufacture method of conducting terminal and its electric connector |
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2018
- 2018-02-28 CN CN201810166203.6A patent/CN108390176A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106048680A (en) * | 2016-07-22 | 2016-10-26 | 东莞普瑞得五金塑胶制品有限公司 | Special galvanical corrosion-resistant coating for fast charging interface of mobile phone |
| CN107146964A (en) * | 2017-07-01 | 2017-09-08 | 东莞普瑞得五金塑胶制品有限公司 | A kind of galvanization coating and terminal, electrical interface, electronic equipment for terminal |
| CN107546515A (en) * | 2017-07-05 | 2018-01-05 | 启东乾朔电子有限公司 | The manufacture method of conducting terminal and its electric connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI728784B (en) * | 2020-03-24 | 2021-05-21 | 大陸商東莞立德精密工業有限公司 | Metallic terminal and the manufacturing method thereof |
| US11268204B2 (en) | 2020-03-24 | 2022-03-08 | Dongguan Leader Precision Industry Co., Ltd. | Metallic terminal and manufacturing method thereof |
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