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Bungard Elektronik GmbH & Co.KG

Galvanic Nickel-Gold

Mã sản phẩm: Chưa rõ
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Chi tiết sản phẩm

Galvanic Nickel-Gold

The nickel-gold plating-surface is abrasion-resistant and corrosion free and therefore it is often used for components with increased mechanical stress (male). 
The resist coated circuit board is first provided with an electroplated nickel layer> 3μm as a diffusion barrier (preventing that the subsequent gold gradually "disappears" by diffusion). After the nickel plating followes by the actual galvanic golding. Gold layer between > 0.4μm to 2μm are deposited. This depends of the purpose. For plugs the number of jacking cycles is applied.

For example: 
0.4μm 20 jacking cycles 
0.7μm, 50 jacking cycles 
1.3μm, 200 jacking cycles 
2.0μm, 500 jacking cycles 
With additions such as cobalt etc. (will also "Hard Gold" called) th egold layer can be deposited without a nickel diffusion barrier.

Storage:

  • The shelf life is due to nickel diffusion barrier and the "resilience" of gold "almost" unlimited. Provided, however, is a cleanly executed electroplating.


Advantages:

  • well suited for higher mechanical stresses.


Disadvantages:

  • BlackPad effect possible
  • Cost

further links:

-> Compacta 30

-> Compacta 40

-> Favorit

-> Compacta Ni-Au

-> Protec
-> Accessories

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