CN207918992U - A kind of wear-resistant etch-proof electroplated layer and terminal, electrical interface - Google Patents
A kind of wear-resistant etch-proof electroplated layer and terminal, electrical interface Download PDFInfo
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- CN207918992U CN207918992U CN201721816412.8U CN201721816412U CN207918992U CN 207918992 U CN207918992 U CN 207918992U CN 201721816412 U CN201721816412 U CN 201721816412U CN 207918992 U CN207918992 U CN 207918992U
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Abstract
The utility model is related to precision processing technology fields, more particularly to a kind of wear-resistant etch-proof electroplated layer and terminal, electrical interface.It includes the copper coating for being plated on base material surface layer, and copper coating surface is electroplate at least one set of corrosion-resistant combination layer and at least one layer of wearing layer successively；Wherein corrosion-resistant combination layer includes anti-corrosion layer and transition link layer.Corrosion-resistant combination layer and wearing layer is electroplated in substrate surface by setting in the utility model, can effectively improve the corrosion-resistant and wearability of terminal.
Description
Technical field
The utility model is related to precision processing technology fields, more particularly to a kind of wear-resistant etch-proof electroplated layer and end
Son, electrical interface.
Background technology
With the continuous development of electronic technology, electronic product, which is constantly updated, regenerates, the comparable height of frequency of use, such as intelligent hand
Machine；And the function of electronic product is stronger and stronger, and power consumption is also increasing；Electronic product in use, due to its consumption
Electricity is larger, it is often necessary to it charges, either battery is built-in or plugging or rubbing often occur in external, terminal part,
And the contact with hand is also more and more；The sweat of human body can adhere to the terminal part of electrical interface；Terminal part is caused to be easy
Corroded, in addition the friction of dismounting so that the performance of terminal declines rapidly, and contact resistance increases, poor contact etc.
Situation significantly increases, and influences to use.
Invention content
The purpose of this utility model is that in view of the deficiencies of the prior art, a kind of wear-resistant etch-proof electroplated layer is provided,
The electroplated layer can effectively keep the performance of terminal for a long time, not influence the use of electronic product.
The another object of the utility model is to provide a kind of terminal, which has wear-resistant etch-proof performance, makes
Use long lifespan.
The further object of the utility model is to provide a kind of electrical interface, which has wear-resistant anticorrosion
Terminal, using effect is good.
A kind of wear-resistant etch-proof electroplated layer comprising be plated on the copper coating on base material surface layer, copper coating surface is successively
It is electroplate at least one set of corrosion-resistant combination layer and at least one layer of wearing layer；Wherein corrosion-resistant combination layer includes anti-corrosion layer and mistake
Cross articulamentum.
Further, copper coating surface is electroplate with two groups of corrosion-resistant combination layers and one layer of wearing layer successively.
Further, the thickness of corrosion-resistant combination layer is less than 6 microns.
Further, the anti-corrosion layer is nickel alloy layer；Its thickness is 0.5 ~ 5 micron.Preferably：2 microns.
Further, transition link layer is layer gold, and thickness is 0.025 ~ 2.5 micron.Preferably 1 micron.
Further, wearing layer is rhodium layer of ruthenium, and thickness is 0.125 ~ 3 micron.Preferably 1.5 microns.
Further, the thickness of copper coating is 0.25 ~ 2.5 micron.Preferably 0.5 micron.
A kind of terminal, including terminal body, terminal body electroplating surface have above-mentioned electroplated layer.
A kind of electrical interface, including multiple above-mentioned terminals.
The beneficial effects of the utility model：The utility model by setting substrate surface be electroplated corrosion-resistant combination layer and
Wearing layer can effectively improve the corrosion-resistant and wearability of terminal.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the present embodiment terminal surfaces electroplated layer.
Reference numeral includes：
1 --- base material；2 --- copper coating；3 --- corrosion-resistant combination layer；31 --- anti-corrosion layer；32 --- transition connects
Layer；4 --- wearing layer.
Specific implementation mode
The utility model is described in detail below in conjunction with attached drawing.As shown in Figure 1.
Embodiment 1：A kind of wear-resistant etch-proof electroplated layer comprising be plated on the copper coating 2 on 1 surface layer of base material, copper plating
2 surface of layer are electroplate at least one set of corrosion-resistant combination layer 3 and at least one layer of wearing layer 4 successively；Wherein corrosion-resistant combination layer 3 wraps
Include anti-corrosion layer 31 and transition link layer 32.
Copper or Cu alloy material are used substantially in view of the base material 1 of terminal, therefore one layer of adhesive force first is electroplated on 1 surface layer of base material
Preferable copper coating 2, copper coating 2 are used as pre-plating layer, are filled and led up for the pit place to 1 uneven surface of base material, and make
Surface layer is smooth, with the subsequent plating of aspect.Secondly, corrosion-resistant combination layer 3 and wearing layer 4 are electroplated on copper coating, due to inserting
It is more frequent to pull out abrasion relatively corrosion, therefore wearing layer 4 is set to surface layer, the anti-corrosion layer 31 in corrosion-resistant combination layer 3 is arranged
In inside.Wearing layer 4 and anti-corrosion layer 31 design the number of plies as needed.
Further, the anti-corrosion layer 31 is nickel alloy layer；Its thickness is 0.5 ~ 5 micron.Preferably：2 microns.
Nickel alloy layer has preferable corrosion resistance and wearability, can assist improving whole wearability；Nickel alloy layer
Including nickel tungsten, nickel billon, nichrome etc..
Further, transition link layer 32 is layer gold, and thickness is 0.025 ~ 2.5 micron.Preferably 1 micron.
Between different electroplated layers there are certain internal stress, the adhesion strength between the different electroplated layers of internal stress influence；
Layer gold has preferable ductility, can buffer or reduce the internal stress between electroplated layer, prevent electroplated layer from crack occur.Therefore
Select layer gold for transition link layer 32；The thickness of layer gold is determined by bilevel electroplated layer material and thickness, is generally existed
0.025 ~ 2.5 micron；Generally at 1 micron.
Further, wearing layer 4 is rhodium layer of ruthenium, and thickness is 0.125 ~ 3 micron.Preferably 1.5 microns.
Rhodium layer of ruthenium has preferable electrical contact performance, contact resistance smaller；Secondly also there is higher hardness, while also having
There is certain corrosion resistance；With resistance to plug, anti-sweat corrosive effect.Therefore select wearing layer 4 for rhodium layer of ruthenium.The setting of rhodium layer of ruthenium exists
Outermost layer, thickness are determined by the position and frequency of use of terminal, generally at 0.125 ~ 3 micron；Generally 1.5 microns.
Further, the thickness of copper coating 2 is 0.25 ~ 2.5 micron.Preferably 0.5 micron.
Copper coating 2 is covered in 1 surface of base material, thickness depending on the situation on 1 surface of base material, electroplating range 0.25 ~
Between 2.5 microns, preferably 0.5 micron.
Further, 2 surface of copper coating is electroplate with two groups of corrosion-resistant combination layers 3 and one layer of wearing layer 4 successively.
In the technical program, two groups of corrosion-resistant combination layers 3 and one layer of wearing layer 4 are devised；It is corrosion-resistant in view of single layer
The thickness of layer 4 needs, and the thickness of single layer anti-corrosion layer 4 should not be thicker in plating, is easy to cause the problems such as internal stress is larger, will
It is divided into two groups of corrosion-resistant combination layers 3.Preferably, the thickness of corrosion-resistant combination layer 3 is less than 6 microns.
Embodiment 2：A kind of terminal, including terminal body, terminal body electroplating surface have above-mentioned electroplated layer.
Embodiment 3：A kind of electrical interface, including multiple above-mentioned terminals.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (13)
1. a kind of wear-resistant etch-proof electroplated layer, it is characterised in that：It includes the copper coating for being plated on base material surface layer, copper coating
Surface is electroplate at least one set of corrosion-resistant combination layer and at least one layer of wearing layer successively；Wherein corrosion-resistant combination layer includes corrosion resistant
Lose layer and transition link layer.
2. the wear-resistant etch-proof electroplated layer of one kind according to claim 1, it is characterised in that：Copper coating surface is electric successively
It is coated with two groups of corrosion-resistant combination layers and one layer of wearing layer.
3. the wear-resistant etch-proof electroplated layer of one kind according to claim 1, it is characterised in that：The anti-corrosion layer is nickel
Alloy-layer；Its thickness is 0.5 ~ 5 micron.
4. the wear-resistant etch-proof electroplated layer of one kind according to claim 3, it is characterised in that：Nickel alloy layer thickness is：2
Micron.
5. the wear-resistant etch-proof electroplated layer of one kind according to claim 1 or 2 or 3 or 4, it is characterised in that：Transition connects
It is layer gold to connect layer, and thickness is 0.025 ~ 2.5 micron.
6. the wear-resistant etch-proof electroplated layer of one kind according to claim 5, it is characterised in that：Layer gold thickness is 1 micron.
7. the wear-resistant etch-proof electroplated layer of one kind according to claim 1, it is characterised in that：Wearing layer is rhodium layer of ruthenium,
Its thickness is 0.125 ~ 3 micron.
8. the wear-resistant etch-proof electroplated layer of one kind according to claim 6, it is characterised in that：Rhodium layer of ruthenium thickness is 1.5
Micron.
9. the wear-resistant etch-proof electroplated layer of one kind according to claim 1 or 2, it is characterised in that：The thickness of copper coating
It is 0.25 ~ 2.5 micron.
10. the wear-resistant etch-proof electroplated layer of one kind according to claim 9, it is characterised in that：The thickness of copper coating is
0.5 micron.
11. the wear-resistant etch-proof electroplated layer of one kind according to claim 1 or 2, it is characterised in that：Corrosion-resistant combination layer
Thickness be less than 6 microns.
12. a kind of terminal, it is characterised in that：Including terminal body, terminal body electroplating surface is had the right any institute of requirement 1 to 11
The electroplated layer stated.
13. a kind of electrical interface, it is characterised in that：Including the terminal described in multiple claims 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721816412.8U CN207918992U (en) | 2017-12-22 | 2017-12-22 | A kind of wear-resistant etch-proof electroplated layer and terminal, electrical interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721816412.8U CN207918992U (en) | 2017-12-22 | 2017-12-22 | A kind of wear-resistant etch-proof electroplated layer and terminal, electrical interface |
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| Publication Number | Publication Date |
|---|---|
| CN207918992U true CN207918992U (en) | 2018-09-28 |
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| CN201721816412.8U Active CN207918992U (en) | 2017-12-22 | 2017-12-22 | A kind of wear-resistant etch-proof electroplated layer and terminal, electrical interface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820024A (en) * | 2019-12-25 | 2020-02-21 | 无锡华晶利达电子有限公司 | Coating structure for enhancing corrosion resistance of mobile phone plug connector |
-
2017
- 2017-12-22 CN CN201721816412.8U patent/CN207918992U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820024A (en) * | 2019-12-25 | 2020-02-21 | 无锡华晶利达电子有限公司 | Coating structure for enhancing corrosion resistance of mobile phone plug connector |
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