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Subject:	R: [TN] HIC Card validity?
From:	SALA GABRIELE <[log in to unmask]>
Reply To:	TechNet E-Mail Forum <[log in to unmask]>, SALA GABRIELE <[log in to unmask]>
Date:	Mon, 23 Apr 2018 22:44:39 +0200
Content-Type:	text/plain
Parts/Attachments:	text/plain (21 lines)

Same time, I would start to introduce the utilization of  HIC Cobalt Free version.......

GS

-----Messaggio originale-----
Da: TechNet [mailto:[log in to unmask]] Per conto di Wayne Showers
Inviato: lunedì 23 aprile 2018 19:10
A: [log in to unmask]
Oggetto: Re: [TN] HIC Card validity?

Per the J-STD-033 and HIC manufactures, the HIC cards are pretty much usable indefinitely.  My experience is that the 5-10-60 cards are far more accurate and what is actually recommended by J-STD-033.  The 10-20-30-40-50-60 cards are not so accurate.
With the 5-10-60 cards, use on 5, bake on 10.  The 60 is for high humidity environments as anything above 60 RH is technically outside the scope of J-STD-033 for bake times.
Texas Instruments (TI) did a storage study many years back stating that in the bag life for solderability is 8+ years.
http://www.ti.com/lit/wp/slva304/slva304.pdf
As far as NADCAP, the life of the HIC is to be monitored and is 2 years or at opening.


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