I would definitely like a copy. By the way what is the LF wetting angle on a SJ and how to measure.
Victor,
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Graham Naisbitt
Sent: Saturday, May 01, 2010 12:32 PM
To: [log in to unmask]
Subject: Re: [TN] Results of two survey questions
Hmmm. Wetting balance testing of 01005's - ROUND OBJECTS!
We have a new technical report recently finished on testing 0201's. This will result in changes to the International Standards that do not currently have any provision for either of these - so how someone could claim to have done it on 01005's is more then interesting, it is highly improbable.
If anyone would like a copy of our technical report please ask.
By the way, commercial or not, we make MUST wetting balance and I have responsibility for IEC Standards on solderability testing as well as working in this subject at IPC.
Regards
Graham Naisbitt - KBO
Email: [log in to unmask]
Phone: +44 (0)12 5252 1500
Web: www.gen3systems.com
On 1 May 2010, at 02:09, Bev Christian wrote:
> Technetters,
>
> Here are the results of a couple of quick surveys that Bob Willis kindly
> carried out for me. I find it interesting that 7 companies (or at least
> 7 people - all same company? J ) claim they can test 01005s on a
> wetting balance! Comments?
>
>
>
> The second one ties into my interest on wetting to OSP coated pads.
>
> Bev
>
> RIM
>
>
>
> [log in to unmask]
>
>
>
>
>
>
>
> How do you measure solderability on 01005 components?
>
> Use & hope for the best
>
> 13
>
>
>
> 44.8%
>
>
>
>
>
> Soldering to sample board
>
> 9
>
>
>
> 31%
>
>
>
>
>
> Wetting balance
>
> 7
>
>
>
> 24.1%
>
>
>
>
>
> Controlled dip & look
>
> 0
>
>
>
> 0%
>
>
>
>
>
>
>
> Number of Voters
>
> : 29
>
>
>
> Do you require positive wetting angles for joints regardless of metal or
> organic pad finish?
>
> Yes
>
> 15
>
>
>
> 75%
>
>
>
>
> No
>
> 3
>
>
>
> 15%
>
>
>
>
> Don't Know
>
> 2
>
>
>
> 10%
>
>
>
>
>
>
>
>
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