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Subject:
ASSY : Marking On Nickel/Gold
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Date:
Fri, 10 May 96 19:27:18 +0800
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I need to implement ink marking on nickel and gold surfaces for IC 
components. Can anyone advise me on,

a.  Type of ink (for pad-mark)
b.  Surface pre-treatment process

that would ensure that the ink would meet the MIL-std mark permanancy test 
requirements ? Appreciate your expert advise !

Thanks

Jeff-MH Tan
Snr Process Engineer
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