Electronics Forum | Tue Sep 28 19:22:48 EDT 2021 | kumarb
Hi. Aside from the good advice above, wish to throw in our experience with our 1809EXL. Had < 200 on-hours and the oven would not melt the assorted fresh paste we sourced from different suppliers. The s/w reported that the set temps were being
Electronics Forum | Mon Apr 18 18:23:41 EDT 2022 | youngbuck
Hello everyone, We have a Siemens HS50 error going on as soon as we boot up. It shows message saying "Machine is in test mode." Cause: Initalizing gantry axes. Start Sitest and check machine (firmwre versions,configuration, etc. It will try to refere
Electronics Forum | Mon Oct 25 15:45:11 EDT 1999 | Dave F
Joe: Lemme see, you�re talking about controlling your manufacturing process within 4.6 defects per 100 opportunities or a 4,600 dpmo rate, a cumulative 99.95 acceptance rate, or a �2 sigma process, right? So, it�s fairly basic stuff, eh? First, yo
Electronics Forum | Fri Jul 10 07:34:00 EDT 2020 | elijah
From the poor bonding strength of the board, the surface quality problems of the board are divided into: 1. The cleanliness of the board surface; 2. The problem of micro graphite (or surface energy) on the surface. PCB circuit board proofing Youke bo
Electronics Forum | Tue May 26 20:18:09 EDT 1998 | Justin Medernach
| | | | I'm reviewing my board fab spec. It calls for a minimum SnPb thickness of 50 microinches on HASL PWB's. I've looked at other specs that call out anything from 30 to 80 microinches, and others that just say the copper pad must be covered and
Electronics Forum | Wed Mar 21 09:31:39 EST 2001 | CAL
Susan - Thank you for providing more information. It is hard just to give a rule of thumb on warranty time. Comparing other contract manufactures is also misleading. I have seen 30 days to 10 year warranties from contract manufacturers. Here are some
Electronics Forum | Mon May 14 09:43:37 EDT 2001 | orbotech
As the face of business changes through revolutionary factors, such as the increasing rate of outsourcing, manufacturers (especially EMS plants) will strive to fine tune their test strategies to ultimately improve and sustain product quality and to r
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 | Wed Jan 05 11:11:09 EST 2000 | Dave F
Hey Pat: My responses are: 1. Does anyone have experience with the shelf life on immersion white tin? If so, how long can the boards be stored without adversely affecting solderability. I've heard one year. No, we don�t, because we turn boards fa
Electronics Forum | Thu Dec 23 22:31:47 EST 1999 | Vincent Chen
Hi!Charlie, 1.Are you retrofitting your spray fluxer in your wave soldering machine? If you are, please ensure that you have a air knife just before the preheater!Fluxe fumes tends to accumulate and that could be dangerous if your air exhaust is not
