Electronics Forum | Fri Jun 03 16:52:48 EDT 2005 | davef
Your customer is being smart. When we look at the evaluation that some component suppliers do in assessing the potential of the pure tin solderability protection they've chosen to produce tin whiskers, we just shake our heads. Essentally they say,
Electronics Forum | Mon Jun 05 14:10:54 EDT 2000 | C.K.
Dave: Thanks for you Earl-Moonesqe explanations. To answer your 3 questions below: * If there�s no flux in the via, why does the sodder flow? I thought it was the flux that removed corrosion to increase wetting that allowed
Electronics Forum | Tue Jun 06 20:10:28 EDT 2000 | Dave F
You bet. It goes liquidous and tries to flow down hill flux or not. * And wudda wanna bet there�s still flux residues in those vias, anyhoo? Yes, you're right!! There might be excess flux residues in them via barrels....but why
Electronics Forum | Thu Jun 14 21:23:36 EDT 2001 | davef
Oooo, big bucks wusher!!! Consider the SMTnet Archives a valued resource. For instance, look at: http://www.smtnet.com/Forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=1632&mc=2 As far as your resistivity measurement is concerned, you hav
Electronics Forum | Sat Oct 09 03:26:58 EDT 1999 | Brian
| Always experiencing dross in pot with different characteristic such as color, shape, dry/wet etc. Any paper, wetsites provide the more comprehesive explanation on its characteristic | Dross is a mixture of various things. The obvious ones are met
Electronics Forum | Wed May 26 18:04:16 EDT 1999 | John Thorup
| After reflow proces in convection-IR oven we find broken body of SOT23 elements. There is no problems on other elements (SOIC, chip R,chip C, etc) | Where is the problem? | | Thanks in advance! | Check your profile at the site of cracked component
Electronics Forum | Fri Jan 15 20:37:11 EST 1999 | jason
| | Jason, | | | | Have you looked at Manex software. I know they have a great reputation in the electronics industry since they developed their system around electronics specifically. | | | | Check out this article I found...this may help. Em
Electronics Forum | Tue Sep 08 10:00:58 EDT 1998 | John Ryder
Mike, Check out the Philips website at www.philips-ia.com and look at the FCM and the GEM Sapphire. The Sanyo/Universal is a fine chipshooter, but the Philips FCM is unmatched in pure speed, cost per placement and cost per square foot. If the Sanyo/U
Electronics Forum | Mon Apr 15 18:56:56 EDT 2002 | davef
Hesitating after your shout-out for �DI water rinse experts�, Q1: �What is the FIX industrial standard?� A1: Never heard of �the FIX industrial standard�. There is no standard in the US electronic industry. The issue: * Is NOT the cleanliness of
Electronics Forum | Fri May 17 03:04:15 EDT 2002 | Mike Konrad
This conversation reminds me of the old �How Many Engineers Does It Take To�� joke. We manufacturer the ionic contamination (ROSE, SEC) testers and I am not aware of anyone that performs such exacting surface area calculations. Most people use th
