CN207977498U - A kind of galvanization coating, terminal and electrical interface with palladium electroplated layer - Google Patents
A kind of galvanization coating, terminal and electrical interface with palladium electroplated layer Download PDFInfo
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- CN207977498U CN207977498U CN201820195982.8U CN201820195982U CN207977498U CN 207977498 U CN207977498 U CN 207977498U CN 201820195982 U CN201820195982 U CN 201820195982U CN 207977498 U CN207977498 U CN 207977498U
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Abstract
The utility model is related to precision processing technology field more particularly to a kind of galvanization coating, terminal and electrical interfaces with palladium electroplated layer.It includes：Palladium metal layer or palladium alloy layer, are plated on substrate surface；Nickel alloy layer is plated on palladium alloy layer surface；Transition zone is plated on nickel alloy layer surface；Rhodium alloy layer is plated on transition layer surface.The utility model improves the corrosion resistance of substrate, in conjunction with rhodium ruthenium alloy layer, the resistance to plug of substrate is improved, to extend the service life of substrate by the way that palladium alloy layer and nickel alloy layer is arranged.
Description
Technical field
The utility model is related to precision processing technology field more particularly to a kind of galvanization coating with palladium electroplated layer, ends
Son and electrical interface.
Background technology
With being widely used for electronic product, electronic product is provided with electrical interface, such as USB interface on its surface mostly
When in use Deng, electronic product, electrical interface can be more or less exposed to outer, while be also easy and human sweat or extraneous liquid
State contacts；Electrical interface is caused to get rusty easily, service life is limited.
Invention content
The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of plating plating with palladium electroplated layer
Layer, the galvanization coating have preferable Corrosion Protection.
A kind of galvanization coating with palladium electroplated layer comprising：
Palladium metal layer or palladium alloy layer, are plated on substrate surface；
Nickel alloy layer is plated on palladium alloy layer surface；
Transition zone is plated on nickel alloy layer surface；
Rhodium alloy layer is plated on transition layer surface.
Preferably, palladium alloy layer includes palladium-nickel alloy layer, Polarium layer, palladium iridium alloy layer.
Further, nickel alloy layer includes nickel tungsten layer or ni-p alloy coating.
Further, transition zone is gold alloy layer or golden nickel alloy layer.
Further, the rhodium alloy layer includes rhodium ruthenium alloy layer.
Further, the thickness of palladium alloy layer is 0.5-5 microns；Preferably：0.8,1.2,2,3,3.5,4 or 4.5 are micro-
Rice
Further, the thickness of nickel alloy layer is 0.5 ~ 5 micron；Preferably：1,2.5,3,4,4.5 or 4.8 microns.
Further, the thickness of transition zone is 0.025 ~ 2.5 micron；Preferably：0.05、0.08、0.1、0.3、0.4、
0.5,1,1.2 or 1.5 micron.
Further, the thickness of rhodium alloy layer is 0.125 ~ 3 micron；Preferably：0.2、0.5、0.8、1、1.2、2、2.5
Or 2.8 microns.
Preferably, half of the transition region thickness not less than the sum of nickel alloy layer and rhodium alloy layer thickness.
In view of the internal stress problem that the gauge strips of nickel alloy layer and rhodium alloy layer come, through overtesting, it is believed that transition thickness
Degree, can be with meet demand not less than the half of the sum of nickel alloy layer and rhodium alloy layer thickness.
A kind of terminal is electroplate with above-mentioned galvanization coating.
A kind of electrical interface, including above-mentioned terminal.
The beneficial effects of the utility model：The utility model improves substrate by the way that palladium alloy layer and nickel alloy layer is arranged
Corrosion resistance improves the resistance to plug of substrate in conjunction with rhodium ruthenium alloy layer, to extend the service life of substrate.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the present embodiment galvanization coating.
Reference numeral includes：
1 --- substrate；2 --- palladium alloy layer；3 --- nickel alloy layer；4 --- transition zone；5 --- rhodium alloy layer.
Specific implementation mode
The utility model is described in detail below in conjunction with attached drawing.As shown in Figure 1.
Embodiment：A kind of galvanization coating with palladium electroplated layer comprising：
Palladium metal layer or palladium alloy layer 2 are plated on 1 surface of substrate；
Nickel alloy layer 3 is plated on 2 surface of palladium alloy layer；
Transition zone 4 is plated on 3 surface of nickel alloy layer；
Rhodium alloy layer 5 is plated on 4 surface of transition zone.
Preferably, palladium alloy layer 2 includes palladium-nickel alloy layer 3, Polarium layer, palladium iridium alloy layer etc.；
There is preferable corrosion resistance, especially Polarium layer to have fusing point height for palladium metal layer or palldium alloy, corrosion-resistant
Property high feature palladium iridium alloy there is preferable electrical contact and corrosion resistance.Substrate 1 can be terminal, or other.
Further, nickel alloy layer 3 includes nickel tungsten layer or ni-p alloy coating.
Nickel alloy layer 3 has resistance to plug, acid resistance；Improve the corrosion resistance of substrate 1.
Further, transition zone 4 is gold alloy layer or golden nickel alloy layer 3.
Layer gold and gold alloy layer all have preferable ductility, are conducive to the internal stress for reducing adjacent two layers, improve phase
The adhesion strength of adjacent galvanization coating.
Further, the rhodium alloy layer 5 includes rhodium ruthenium alloy layer.
Rhodium ruthenium alloy has higher hardness, resistance to plug；And there is preferable corrosion resistance.
Further, the thickness of palladium alloy layer 2 is 0.5-5 microns；Preferably：0.8,1.2,2,3,3.5,4 or 4.5 are micro-
Rice
Further, the thickness of nickel alloy layer 3 is 0.5 ~ 5 micron；Preferably：1,2.5,3,4,4.5 or 4.8 microns.
Further, the thickness of transition zone 4 is 0.025 ~ 2.5 micron；Preferably：0.05、0.08、0.1、0.3、0.4、
0.5,1,1.2 or 1.5 micron.
Further, the thickness of rhodium alloy layer 5 is 0.125 ~ 3 micron；Preferably：0.2、0.5、0.8、1、1.2、2、
2.5 or 2.8 microns.
In practical applications, suitable thickness is arranged according to the requirement difference of the difference of substrate and performance in each coating
Degree.
Preferably, half of 4 thickness of transition zone not less than the sum of 5 thickness of nickel alloy layer 3 and rhodium alloy layer.
In view of the internal stress problem that the gauge strips of nickel alloy layer 3 and rhodium alloy layer 5 come, through overtesting, it is believed that transition zone 4
Thickness, can be with meet demand not less than the half of the sum of 5 thickness of nickel alloy layer 3 and rhodium alloy layer.
A kind of terminal is electroplate with above-mentioned galvanization coating.
A kind of electrical interface, including above-mentioned terminal.
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 (14)
1. a kind of galvanization coating with palladium electroplated layer, it is characterised in that：Including：
Palladium metal layer or palladium alloy layer, are plated on substrate surface；
Nickel alloy layer is plated on palladium alloy layer surface；
Transition zone is plated on nickel alloy layer surface；
Rhodium alloy layer is plated on transition layer surface.
2. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：Palladium alloy layer includes palladium
Nickel alloy layer, Polarium layer, palladium iridium alloy layer.
3. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：Nickel alloy layer includes nickel
Tungsten alloy layer or ni-p alloy coating.
4. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：Transition zone is billon
Layer or golden nickel alloy layer；The rhodium alloy layer includes rhodium ruthenium alloy layer.
5. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：The thickness of palladium alloy layer
It is 0.5-5 microns.
6. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：The thickness of palladium alloy layer
It is 0.8,1.2,2,3,3.5,4 or 4.5 micron.
7. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：The thickness of nickel alloy layer
It is 0.5 ~ 5 micron.
8. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：The thickness of nickel alloy layer
It is 1,2.5,3,4,4.5 or 4.8 micron.
9. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：The thickness of transition zone is
0.025 ~ 2.5 micron.
10. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：The thickness of transition zone
For：0.05,0.08,0.1,0.3,0.4,0.5,1,1.2 or 1.5 micron.
11. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：The thickness of rhodium alloy layer
Degree is 0.125 ~ 3 micron.
12. a kind of galvanization coating with palladium electroplated layer according to claim 1, it is characterised in that：The thickness of rhodium alloy layer
Degree is：0.2,0.5,0.8,1,1.2,2,2.5 or 2.8 micron.
13. a kind of terminal, it is characterised in that：It is electroplate with any galvanization coating of claim 1 to 12.
14. a kind of electrical interface, it is characterised in that：Including the terminal described in claim 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820195982.8U CN207977498U (en) | 2018-02-05 | 2018-02-05 | A kind of galvanization coating, terminal and electrical interface with palladium electroplated layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820195982.8U CN207977498U (en) | 2018-02-05 | 2018-02-05 | A kind of galvanization coating, terminal and electrical interface with palladium electroplated layer |
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| CN207977498U true CN207977498U (en) | 2018-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183101A (en) * | 2018-10-24 | 2019-01-11 | 深圳市广福来珠宝实业有限公司 | A kind of anti-black method of Silver Jewelry plating |
-
2018
- 2018-02-05 CN CN201820195982.8U patent/CN207977498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183101A (en) * | 2018-10-24 | 2019-01-11 | 深圳市广福来珠宝实业有限公司 | A kind of anti-black method of Silver Jewelry plating |
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