Electronics Forum | Thu Oct 14 20:42:07 EDT 1999 | Jeff Ferry
Grace, As deifned in IPC 7721 Procedure 3.2 Bow and Twist Repair "Bow and twist after soldering shall not exceed 1.5% for through hole PC boards and .75% for surface mount PC boards. The bow and twist shall not be sufficient to cause difficulties d
Electronics Forum | Tue Sep 18 07:25:32 EDT 2007 | hussman
Is there a guideline for the manufacturing of PC Boards? I find that my board changes dramatically from board house to board house, causing about 2% failure rate.
Electronics Forum | Tue Feb 03 07:06:32 EST 2009 | sheriff56
At you that that has turned out? If yes that write on gi@microl.ua
Electronics Forum | Sat Oct 05 07:29:48 EDT 2002 | davef
Design for the Environment (DFE) / Electromagnetic Compliance (EMC) ------------------------------------------------------------------- "Noise Reduction Techniques in Electronic Systems" Henry W. Ott, John Wiley & Sons, New York, 1976 Seltzer, G.S.
Electronics Forum | Tue Mar 27 15:15:32 EST 2001 | Mike Konrad
SmartSonic states that they will not sell their 440R chemistry unless it will be used with their machines. But to answer your question, the following manufacturers make ultrasonic stencil cleaners compatible with 440R and many other chemistries. Aq
Electronics Forum | Fri Nov 19 15:52:55 EST 2004 | brent.robinson@donnellye.com
Hello all, Just curious as to what type of chemistries most people prefer to use and what produces the best results. We currently have an EMC Global Technologies Cyber Clean 1000 Model 32P system. We use Isopropyl Alcohol currently to clean st
Electronics Forum | Wed Mar 26 08:39:32 EDT 2008 | gabriella
Hello all, I have a interface card(PC) down on one of our Vitronics ovens model SMR-820A. The PC is very old. The card is mounted on ISA slot. Vitronics don't support these any more. Can anyone advise where I can find one of these cards or if I can
Electronics Forum | Mon Nov 15 02:45:15 EST 2010 | 89jeong
Hello. We encountered a SMD problem on PCB. It is that the lead of photocoupler is shifted after reflow and don't meet the minimum requirement of side joint length. I know this is a defect but what i want to hear the reason and the solution to prev
Electronics Forum | Fri Jan 07 10:32:21 EST 2000 | Bill Copperthwaite
I have used the PC-2500 from V-TEK and have encountered no problems. It has a motorised reel handling system and can handle various tape pitches and reel sizes.It has an accuracy in excess of 99%.Check out their website below. Billc
Electronics Forum | Tue Jan 06 17:32:44 EST 2015 | tamte65
If you still have the problem: We are Cencorp OEM service department in McAllen TX. Can you provide the machine serial number so we can check more accurate response. The problem seems to be related PC CPU issue. Overheating or something similar.
