Electronics Forum: 20th (Page 1 of 2)

25 mil QFP soldering issue

Electronics Forum | Fri Jul 23 09:17:16 EDT 2004 | davef

The more we think about this, the more we think you should join the 20th century and upgrade from your good ol' WS609. We know this will be tough. We used the stuff for 10s of years.

On Board Forum with Bob Willis

Electronics Forum | Mon Jul 10 08:50:03 EDT 2000 | Bob Willis

Its just a week to go to my First SMT Forum and I am looking forward to the event on 20th July. Its great to be asked to answer question on process and technology on line in this way and I look forward to the many chalenging questions. Many thanks f

Re: On Board Forum with Bob Willis

Electronics Forum | Mon Jul 10 15:03:52 EDT 2000 | Michael Bryant

Just to reiterate what Bob said, we are very excited about his OnBoard Forum on July 20th. If you haven't signed up yet, I have included the Web address at the bottom of this message. Topics for this forum include Pin In Hole Reflow, Bob's process of

PBGA overprint

Electronics Forum | Thu Sep 30 17:36:17 EDT 2004 | GIO

i have a 0.5 pitch(19x19 pbga array) ..with a pad of 20 mils (thou) , solder mask is same...(20th..)..and an stenCil aperture of rectangular 22 X 22.1 thou...WHICH SHOWS..I AM HAVING AN OVERPRINT..MY PASTE IS A NO-CLEAN.. COMMENTS PLS...

SMT information required

Electronics Forum | Wed Feb 18 13:34:48 EST 1998 | David Cooke

I am currently researching SMT for an essay which counts towards my Elec Eng degree course. Unfortunately the deadline is Friday 20th Feb and as yet I have found little information on which to base my essay as other students have loaned out all of th

Re: SMT information required

Electronics Forum | Wed Feb 18 13:49:15 EST 1998 | Phil Szypko

I am currently researching SMT for an essay which counts towards my Elec Eng degree course. Unfortunately the deadline is Friday 20th Feb and as yet I have found little information on which to base my essay as other students have loaned out

Re: SMT information required

Electronics Forum | Wed Feb 18 13:47:55 EST 1998 | Phil Szypko

I am currently researching SMT for an essay which counts towards my Elec Eng degree course. Unfortunately the deadline is Friday 20th Feb and as yet I have found little information on which to base my essay as other students have loaned out

Expired Loctite

Electronics Forum | Sun Dec 01 00:28:41 EST 2002 | yngwie

What is the danger of using the expired glue or Loctite ? I'm using Loctite 383 and the expiry date was Oct 20th. I refused to use them, and my refusal has caused the downtime incured for 8 hours. Felt guilty, as I knew this glue can still be functio

MLP (Micro Leadframe Package)

Electronics Forum | Tue Apr 01 09:36:25 EST 2003 | davef

You're correct. There is no way you can aquous clean under a low stand-off part like a LGA. Your approach seems reasonable, given your constraints. [As long as your customer is paying, what the hey!!! Give 'em what they want.] Consider joining t

Lead Free

Electronics Forum | Mon Oct 27 08:28:57 EST 2003 | caldon

Ming- You are correct ACI does have training...and aslo they will be working with the local SMTA for a lead free day on Nov 20th I think. Please contact Jeff Stong at jstong@aciusa.org. They alao have a free session on Nov 4th where Kester and Metcal

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