Hello Alex
There are many :
1
The planarity (flat for devices requiring close placing tolerances) of
fine pitch and for BGA's ,
as you mentioned
2
The applications where it is sufficient (low end of contact frequency)
to avoid any selective or more expensive gold deposits ;
like plug & forget commercial cards with "gold fingers"
3
As my versatility favorite performing all above + the switching
functions via carbon pills mounted on silicon pads (most of mobile and
other phones, alarm pads; etc.) ; where we life tested the No. of switch
cycles over a million without impairing the resistivity and integrity of
the plating .
4 ?
I'm sure I forgot some

Correctly utilised the application is most versatile, clean, and cheap
on the market .

See you

Paul Klasek
http://www.resmed.com

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> Subject:      [TN] The Application of ENIG
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