Electronics Forum: after (Page 516 of 656)

Re: Placement Machine CPk Kit

Electronics Forum | Wed Sep 09 12:39:22 EDT 1998 | Chrys

I am attempting to locate a kit to be used on surface mount equipment to determine the placement capability (CPk). Does anyone have information on where to purchase such a kit? Ideally this kit should be usable on placement equipment from various

Thanks for the info!

Electronics Forum | Wed Jun 03 14:37:53 EDT 1998 | Anthony

I really appreciate everybody taking the time to help me out with this problem. I'm going to run your input by the design engineer, after that I may be taking you up on that offer to contact you Earl. Again; thank you! Anthony If your board is si

Re: Cracking in High Voltage Chip Caps

Electronics Forum | Tue May 26 17:29:42 EDT 1998 | Earl Moon

I know, I've read the "been there done that" stories about this subject, but I still profess ignorance on some aspects. We are using NPO type dialectric caps in potted high voltage assemblies and continue to experience catastrophic vailures. U

Re: Drying ICs any advice

Electronics Forum | Mon May 18 11:50:23 EDT 1998 | Earl Moon

We had some failures on an IC package that the manufacturer has put down to moisture inside the package, leading to popcorning. This seems a bit odd, the package is a PLCC 84 which is quite thick. I have only seen this problem on thin pac

Re: Help... Need new or used SOIC-16 metal tubes - Do You Really??

Electronics Forum | Tue May 05 15:45:37 EDT 1998 | Dave F

Looking to buy used or new tubes, that will fit an SOIC-16 Need these tubes ASAP. We need to bake these parts and drypack. Please email or call if you can help. Eric Jenkins 801 956-0897 Eric I'm not sure of the manufacturer of the parts th

Re: Vision Inspection Systems

Electronics Forum | Thu Apr 30 16:13:38 EDT 1998 | Chrys

Hello - I am interested in obtaining information on the possibility of integrating a Vision Inspection System with an SMT line. I am aware of systems which may be used to gather placement data and such, but are there any systems whic

Glue Dispense Process Control

Electronics Forum | Fri Aug 10 13:52:58 EDT 2001 | davef

When you say that glue viscosity changes for lot to lot, is this LOT TO LOT of your product OR Loctite�s product? And when you say that glue viscosity changes, what do you mean [eg, increase by � , decrease by � , er watt?]. What specifically is th

Where's The Drill? ... or responsibility

Electronics Forum | Mon Dec 03 21:46:04 EST 2001 | davef

GET ANSWER? Shore. Tks t'all. DA DRILL? Naw, never found it. I worked at this plant down in Arkansas, where we cooked dirt. [Got it so hot, it glowed orange.] Virtually everyone in the plant had a wauky taukie. About half of the 2-ways would g

Non-wetting on QFP lead

Electronics Forum | Wed Nov 21 19:45:36 EST 2001 | Yngwie

Hi Guys, I need help. I�ve a trouble with non-wetting problem on the lead of 208 pin, 20 mils pitch QFP. We are on intrusive reflow. I never faced this problem before on this product after running them for about 2 years now. This occurred on one pa

Electromigration Testing

Electronics Forum | Mon Jun 28 10:03:22 EDT 2004 | davef

First, welcome to your new job. Second, IPC-TM-650 2.6.14 is only loosely an �Ionic Contamination (Electromigration) Test�. * Electromigration Test, IPC TM 650 2.6.14, * Ion Chromatography for Ionic Cleanliness, IPC TM 650 2.3.28 Third, I

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