Electronics Forum | Fri Mar 18 14:32:43 EST 2005 | pmd
Im not fimiluar with SIEMENS F5 but I believe that lead length devations translate to coplnary devations. As a lead gets bent inward or outward the coplnary changes. I dont know what the ratio is but you may be able to set tolorances for lead length
Electronics Forum | Wed Dec 19 17:15:10 EST 2001 | davef
So, what is a �Contaval Pallet�? And who, my I ask, came-up with the cockamamie idea of retrofiting of the edge hold conveyor? Last time I checked, everything was fine, all profiles were working, etc., etc. Just think, if you move the fixed rail i
Electronics Forum | Mon May 24 06:04:09 EDT 2004 | johnwnz
Nitro, I msuggest you get your oven manual out and start reading!! it depends on yoru machine, the point of injection, how many zzones it's designed to cover (some only inject for reflow) what your inward flow rate is, what yoru exhaust rate is and
Electronics Forum | Fri Apr 27 10:55:54 EDT 2007 | Brett
Pete, is there a probe-style that will accomodate a via that's filled, but a little concave (inward) fillet? The ICT personnel complains about this scenario too. I'm not an ICT person, but I do know that there are pogo pins that have a crown (for t
Electronics Forum | Fri Jun 22 03:11:53 EDT 2007 | vlazern
Our Heller oven is functioning well. However, we see defects from the oven, such as shifted coil inductor components, and missing chip components from time to time. When we re-scan the board at the AOI, the defect was not present at that stage,hence
Electronics Forum | Mon Mar 27 15:10:48 EST 2006 | ms
Hi Steve Thanks for your reply. Your comments make it sound like it may be the nature of this paste. Any one else agree? Paste control is fairly good. Paste is put in fridge straight after it arrives at inwards goods, (4deg). Removed from fridge
Electronics Forum | Wed Jul 30 00:47:10 EDT 2014 | matusov
Hello gurus, I am a hardware designer with a small company. We are about to send a new PCB for fabrication. This board uses dozens of tiny QFN, DFN, and similar packages. As a final check I have been going through the datasheets of all these parts t
Electronics Forum | Fri Jul 27 09:47:20 EDT 2018 | davef
Adding to Rob's suggestions ... One of the theories about voiding in thermal / ground pads of BTC is: Solder starts melting at the edge of the pad and moves inward towards the center of the solder mass. This traps flux volatilizes. So, there needs t
Electronics Forum | Tue Feb 14 13:16:49 EST 2006 | Carol Stirling
CRITICAL DILEMA! Has anyone run into the problem described below and if so, what was the fix (besides not dealing with this Supplier)? Also, we do not have component manufacturing process experience. We are purchasing a surge resistor that function
Electronics Forum | Tue May 30 13:50:40 EDT 2006 | Dragan
Hi, I ran into a problem and need a solution. It is a 3cm*4cm*1mm 2 layer PCB (6x6 panel) with a LQFP128 package Microcontroller, a resonator and 2 capacitors. What happens is: When i recieve the assembled pcbs from the assembly plant they wor
