Electronics Forum | Thu Jun 12 18:39:07 EDT 2003 | MikeF
Hexacon sells the LevChek, it is a special tempered glass plate for checking a wave solder machine. They make different sizes, so you can get one that is close to the maximum width of your wave. They also have grid lines etched on them so you watch i
Electronics Forum | Thu Oct 02 21:00:26 EDT 2003 | davef
Who says the chlorine comes from your tap water? Our PTOW dumps boat loads of chlorine into our water periodically. Sometimes it's so bad you can smell it. We doubt that it is the source of your problem. This chlorine will volitize very quickly,
Electronics Forum | Sun Aug 29 19:17:34 EDT 2004 | aqueous
Chen, It is always best to place one�s effort on determining the cause and content of the residue rather than trying to work around it. The first thing you must determine is the nature of the residue. Is it flux? In many instances, the residue is
Electronics Forum | Fri Nov 30 18:27:32 EST 2007 | jmelson
This doesn't help the original poster any, but does the Quad have any sensing of what is going on in the feeder? On the pneumatic or mechanical Philips feeders, if the tape jams in the feeder for some reason, the head just keeps tapping the lever an
Electronics Forum | Thu Feb 28 21:01:09 EST 2008 | davef
Tony: Thanks posting information about your experience with strippers. First, why did you need to strip the entire board? Next, please clarify the following points to expand our knowledge of using Humiseal 1063 Stripper: * How long was the conforma
Electronics Forum | Mon Sep 28 09:31:43 EDT 2015 | proceng1
Proc > > My field service back ground included > Electrovert so I know reflow electrical quite > well. I've worked on Heller, Conceptronic and > Vitronics over the last few years and really > there isn't a huge difference if you can read a > sc
Electronics Forum | Fri Sep 04 09:51:34 EDT 1998 | Dave F
| | | | | | | | | We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | | | | | | | | | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter,
Electronics Forum | Mon Jul 30 15:28:25 EDT 2007 | gmoritz
I'm posting a diary of the major repair experience that we had this weekend. I'll follow up with a shorter post that sort of summarizes a few things. ------------------------------------------------ The service guys showed up at our facility about
Electronics Forum | Mon Jun 11 22:06:00 EDT 2001 | davef
The issue is not the cleanliness of your in-bound water. The issue is the cleanliness of the board your customer receives. Look at J-STD-001C, Para 8, "Cleanliness Requirements". The end product cleanliness is the end result of your: * In-bound
Electronics Forum | Thu Aug 05 06:29:18 EDT 1999 | Graham Naisbitt
| | | We're getting field failures in a high impedance portion of the circuit. Think the unpopulated pc card has contaminates because we were able to grow dendrites by applying a 9 volt battery across the suspected pad, placed a drop of de-ionized w
